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authorJonathan Ringer <jonringer117@gmail.com>2021-01-18 22:50:56 -0800
committerJonathan Ringer <jonringer@users.noreply.github.com>2021-01-19 01:16:25 -0800
commit9bb3fccb5b55326cb3c2c507464a8a28d44d1730 (patch)
tree9d1c0c16cce5e5dcc08115230f6412865487964b /pkgs/applications
parent200bb8c977d81ebdf847d5e6839cd46cd3eb8d4d (diff)
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treewide: pkgs.pkgconfig -> pkgs.pkg-config, move pkgconfig to alias.nix
continuation of #109595

pkgconfig was aliased in 2018, however, it remained in
all-packages.nix due to its wide usage. This cleans
up the remaining references to pkgs.pkgsconfig and
moves the entry to aliases.nix.

python3Packages.pkgconfig remained unchanged because
it's the canonical name of the upstream package
on pypi.
Diffstat (limited to 'pkgs/applications')
-rw-r--r--pkgs/applications/accessibility/contrast/default.nix4
-rw-r--r--pkgs/applications/accessibility/dasher/default.nix4
-rw-r--r--pkgs/applications/accessibility/mousetweaks/default.nix4
-rw-r--r--pkgs/applications/audio/a2jmidid/default.nix4
-rw-r--r--pkgs/applications/audio/adlplug/default.nix4
-rw-r--r--pkgs/applications/audio/aj-snapshot/default.nix4
-rw-r--r--pkgs/applications/audio/ams-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/ario/default.nix4
-rw-r--r--pkgs/applications/audio/asunder/default.nix4
-rw-r--r--pkgs/applications/audio/audacious/default.nix4
-rw-r--r--pkgs/applications/audio/audio-recorder/default.nix4
-rw-r--r--pkgs/applications/audio/aumix/default.nix6
-rw-r--r--pkgs/applications/audio/axoloti/dfu-util.nix4
-rw-r--r--pkgs/applications/audio/axoloti/libusb1.nix4
-rw-r--r--pkgs/applications/audio/bitmeter/default.nix4
-rw-r--r--pkgs/applications/audio/bjumblr/default.nix4
-rw-r--r--pkgs/applications/audio/bristol/default.nix4
-rw-r--r--pkgs/applications/audio/bsequencer/default.nix4
-rw-r--r--pkgs/applications/audio/bshapr/default.nix4
-rw-r--r--pkgs/applications/audio/bslizr/default.nix4
-rw-r--r--pkgs/applications/audio/cadence/default.nix4
-rw-r--r--pkgs/applications/audio/calf/default.nix4
-rw-r--r--pkgs/applications/audio/cantata/default.nix4
-rw-r--r--pkgs/applications/audio/carla/default.nix4
-rw-r--r--pkgs/applications/audio/clementine/default.nix4
-rw-r--r--pkgs/applications/audio/cmus/default.nix4
-rw-r--r--pkgs/applications/audio/cmusfm/default.nix4
-rw-r--r--pkgs/applications/audio/cozy-audiobooks/default.nix4
-rw-r--r--pkgs/applications/audio/deadbeef/default.nix4
-rw-r--r--pkgs/applications/audio/deadbeef/plugins/headerbar-gtk3.nix4
-rw-r--r--pkgs/applications/audio/deadbeef/plugins/infobar.nix4
-rw-r--r--pkgs/applications/audio/deadbeef/plugins/lyricbar.nix4
-rw-r--r--pkgs/applications/audio/deadbeef/plugins/mpris2.nix4
-rw-r--r--pkgs/applications/audio/denemo/default.nix4
-rw-r--r--pkgs/applications/audio/dragonfly-reverb/default.nix4
-rw-r--r--pkgs/applications/audio/drumgizmo/default.nix4
-rw-r--r--pkgs/applications/audio/drumkv1/default.nix4
-rw-r--r--pkgs/applications/audio/easytag/default.nix4
-rw-r--r--pkgs/applications/audio/ekho/default.nix4
-rw-r--r--pkgs/applications/audio/ensemble-chorus/default.nix4
-rw-r--r--pkgs/applications/audio/espeak-ng/default.nix4
-rw-r--r--pkgs/applications/audio/espeak/edit.nix4
-rw-r--r--pkgs/applications/audio/faust/faust1.nix4
-rw-r--r--pkgs/applications/audio/faust/faust2.nix6
-rw-r--r--pkgs/applications/audio/faust/faust2jackrust.nix4
-rw-r--r--pkgs/applications/audio/flacon/default.nix4
-rw-r--r--pkgs/applications/audio/fluidsynth/default.nix4
-rw-r--r--pkgs/applications/audio/fmsynth/default.nix4
-rw-r--r--pkgs/applications/audio/fomp/default.nix4
-rw-r--r--pkgs/applications/audio/foo-yc20/default.nix4
-rw-r--r--pkgs/applications/audio/freewheeling/default.nix4
-rw-r--r--pkgs/applications/audio/gigedit/default.nix4
-rw-r--r--pkgs/applications/audio/gjay/default.nix4
-rw-r--r--pkgs/applications/audio/gmpc/default.nix6
-rw-r--r--pkgs/applications/audio/gnome-podcasts/default.nix4
-rw-r--r--pkgs/applications/audio/gradio/default.nix4
-rw-r--r--pkgs/applications/audio/grandorgue/default.nix4
-rw-r--r--pkgs/applications/audio/gtkpod/default.nix4
-rw-r--r--pkgs/applications/audio/guitarix/default.nix4
-rw-r--r--pkgs/applications/audio/gxmatcheq-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/gxplugins-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/helio-workstation/default.nix4
-rw-r--r--pkgs/applications/audio/helm/default.nix4
-rw-r--r--pkgs/applications/audio/hybridreverb2/default.nix4
-rw-r--r--pkgs/applications/audio/hydrogen/0.nix4
-rw-r--r--pkgs/applications/audio/hydrogen/default.nix4
-rw-r--r--pkgs/applications/audio/iannix/default.nix4
-rw-r--r--pkgs/applications/audio/infamousPlugins/default.nix4
-rw-r--r--pkgs/applications/audio/ingen/default.nix4
-rw-r--r--pkgs/applications/audio/ir.lv2/default.nix4
-rw-r--r--pkgs/applications/audio/jack-capture/default.nix4
-rw-r--r--pkgs/applications/audio/jack-oscrolloscope/default.nix4
-rw-r--r--pkgs/applications/audio/jack-rack/default.nix4
-rw-r--r--pkgs/applications/audio/jackmeter/default.nix4
-rw-r--r--pkgs/applications/audio/jackmix/default.nix4
-rw-r--r--pkgs/applications/audio/jalv/default.nix4
-rw-r--r--pkgs/applications/audio/jamin/default.nix4
-rw-r--r--pkgs/applications/audio/klick/default.nix4
-rw-r--r--pkgs/applications/audio/klystrack/default.nix4
-rw-r--r--pkgs/applications/audio/kmetronome/default.nix4
-rw-r--r--pkgs/applications/audio/ladspa-plugins/default.nix4
-rw-r--r--pkgs/applications/audio/lash/default.nix4
-rw-r--r--pkgs/applications/audio/librespot/default.nix4
-rw-r--r--pkgs/applications/audio/linuxband/default.nix4
-rw-r--r--pkgs/applications/audio/linuxsampler/default.nix4
-rw-r--r--pkgs/applications/audio/lmms/default.nix4
-rw-r--r--pkgs/applications/audio/lollypop/default.nix4
-rw-r--r--pkgs/applications/audio/lsp-plugins/default.nix4
-rw-r--r--pkgs/applications/audio/ltc-tools/default.nix4
-rw-r--r--pkgs/applications/audio/luppp/default.nix4
-rw-r--r--pkgs/applications/audio/lv2-cpp-tools/default.nix4
-rw-r--r--pkgs/applications/audio/lv2bm/default.nix4
-rw-r--r--pkgs/applications/audio/mda-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/mellowplayer/default.nix4
-rw-r--r--pkgs/applications/audio/meterbridge/default.nix4
-rw-r--r--pkgs/applications/audio/meters_lv2/default.nix4
-rw-r--r--pkgs/applications/audio/mhwaveedit/default.nix4
-rw-r--r--pkgs/applications/audio/milkytracker/default.nix4
-rw-r--r--pkgs/applications/audio/mimic/default.nix4
-rw-r--r--pkgs/applications/audio/mixxx/default.nix4
-rw-r--r--pkgs/applications/audio/moc/default.nix4
-rw-r--r--pkgs/applications/audio/mp3info/default.nix4
-rw-r--r--pkgs/applications/audio/mp3splt/default.nix4
-rw-r--r--pkgs/applications/audio/mpc/default.nix4
-rw-r--r--pkgs/applications/audio/muse/default.nix4
-rw-r--r--pkgs/applications/audio/musescore/default.nix4
-rw-r--r--pkgs/applications/audio/ncmpc/default.nix4
-rw-r--r--pkgs/applications/audio/ncmpcpp/default.nix4
-rw-r--r--pkgs/applications/audio/ninjas2/default.nix4
-rw-r--r--pkgs/applications/audio/noise-repellent/default.nix4
-rw-r--r--pkgs/applications/audio/non/default.nix4
-rw-r--r--pkgs/applications/audio/nova-filters/default.nix4
-rw-r--r--pkgs/applications/audio/openmpt123/default.nix4
-rw-r--r--pkgs/applications/audio/opus-tools/default.nix4
-rw-r--r--pkgs/applications/audio/opusfile/default.nix4
-rw-r--r--pkgs/applications/audio/padthv1/default.nix4
-rw-r--r--pkgs/applications/audio/pamix/default.nix4
-rw-r--r--pkgs/applications/audio/paprefs/default.nix4
-rw-r--r--pkgs/applications/audio/parlatype/default.nix4
-rw-r--r--pkgs/applications/audio/patchage/default.nix4
-rw-r--r--pkgs/applications/audio/paulstretch/default.nix4
-rw-r--r--pkgs/applications/audio/pavucontrol/default.nix4
-rw-r--r--pkgs/applications/audio/pianobar/default.nix4
-rw-r--r--pkgs/applications/audio/pithos/default.nix4
-rw-r--r--pkgs/applications/audio/plugin-torture/default.nix4
-rw-r--r--pkgs/applications/audio/polyphone/default.nix4
-rw-r--r--pkgs/applications/audio/ponymix/default.nix4
-rw-r--r--pkgs/applications/audio/praat/default.nix4
-rw-r--r--pkgs/applications/audio/projectm/default.nix4
-rw-r--r--pkgs/applications/audio/pulseaudio-modules-bt/default.nix4
-rw-r--r--pkgs/applications/audio/pulseeffects/default.nix4
-rw-r--r--pkgs/applications/audio/qmidinet/default.nix4
-rw-r--r--pkgs/applications/audio/qmidiroute/default.nix4
-rw-r--r--pkgs/applications/audio/qmmp/default.nix4
-rw-r--r--pkgs/applications/audio/qsampler/default.nix4
-rw-r--r--pkgs/applications/audio/qsynth/default.nix4
-rw-r--r--pkgs/applications/audio/qtscrobbler/default.nix4
-rw-r--r--pkgs/applications/audio/radiotray-ng/default.nix4
-rw-r--r--pkgs/applications/audio/rhvoice/default.nix4
-rw-r--r--pkgs/applications/audio/rhythmbox/default.nix4
-rw-r--r--pkgs/applications/audio/rosegarden/default.nix4
-rw-r--r--pkgs/applications/audio/samplv1/default.nix4
-rw-r--r--pkgs/applications/audio/seq24/default.nix4
-rw-r--r--pkgs/applications/audio/setbfree/default.nix4
-rw-r--r--pkgs/applications/audio/sfizz/default.nix4
-rw-r--r--pkgs/applications/audio/sfxr/default.nix4
-rw-r--r--pkgs/applications/audio/sidplayfp/default.nix4
-rw-r--r--pkgs/applications/audio/sisco.lv2/default.nix4
-rw-r--r--pkgs/applications/audio/snapcast/default.nix4
-rw-r--r--pkgs/applications/audio/snd/default.nix4
-rw-r--r--pkgs/applications/audio/sonic-lineup/default.nix4
-rw-r--r--pkgs/applications/audio/sonic-pi/default.nix4
-rw-r--r--pkgs/applications/audio/sooperlooper/default.nix4
-rw-r--r--pkgs/applications/audio/sound-juicer/default.nix4
-rw-r--r--pkgs/applications/audio/soundkonverter/default.nix4
-rw-r--r--pkgs/applications/audio/soundscape-renderer/default.nix4
-rw-r--r--pkgs/applications/audio/spectmorph/default.nix4
-rw-r--r--pkgs/applications/audio/spectrojack/default.nix4
-rw-r--r--pkgs/applications/audio/speech-denoiser/default.nix4
-rw-r--r--pkgs/applications/audio/spek/default.nix4
-rw-r--r--pkgs/applications/audio/spotify-tui/default.nix4
-rw-r--r--pkgs/applications/audio/spotifyd/default.nix4
-rw-r--r--pkgs/applications/audio/squishyball/default.nix4
-rw-r--r--pkgs/applications/audio/stone-phaser/default.nix4
-rw-r--r--pkgs/applications/audio/strawberry/default.nix4
-rw-r--r--pkgs/applications/audio/streamripper/default.nix4
-rw-r--r--pkgs/applications/audio/swh-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/synthv1/default.nix4
-rw-r--r--pkgs/applications/audio/talentedhack/default.nix4
-rw-r--r--pkgs/applications/audio/timemachine/default.nix4
-rw-r--r--pkgs/applications/audio/tony/default.nix4
-rw-r--r--pkgs/applications/audio/transcode/default.nix4
-rw-r--r--pkgs/applications/audio/traverso/default.nix4
-rw-r--r--pkgs/applications/audio/uade123/default.nix4
-rw-r--r--pkgs/applications/audio/vcv-rack/default.nix4
-rw-r--r--pkgs/applications/audio/vimpc/default.nix4
-rw-r--r--pkgs/applications/audio/vocal/default.nix4
-rw-r--r--pkgs/applications/audio/vocproc/default.nix4
-rw-r--r--pkgs/applications/audio/vorbis-tools/default.nix4
-rw-r--r--pkgs/applications/audio/waon/default.nix4
-rw-r--r--pkgs/applications/audio/wolf-shaper/default.nix4
-rw-r--r--pkgs/applications/audio/x42-avldrums/default.nix4
-rw-r--r--pkgs/applications/audio/x42-gmsynth/default.nix4
-rw-r--r--pkgs/applications/audio/x42-plugins/default.nix4
-rw-r--r--pkgs/applications/audio/xmp/default.nix4
-rw-r--r--pkgs/applications/audio/xsynth-dssi/default.nix4
-rw-r--r--pkgs/applications/audio/yoshimi/default.nix4
-rw-r--r--pkgs/applications/audio/zam-plugins/default.nix4
-rw-r--r--pkgs/applications/blockchains/aeon/default.nix4
-rw-r--r--pkgs/applications/blockchains/bitcoin-abc.nix4
-rw-r--r--pkgs/applications/blockchains/bitcoin-classic.nix4
-rw-r--r--pkgs/applications/blockchains/bitcoin-gold.nix4
-rw-r--r--pkgs/applications/blockchains/bitcoin-knots.nix4
-rw-r--r--pkgs/applications/blockchains/bitcoin-unlimited.nix4
-rw-r--r--pkgs/applications/blockchains/btcdeb/default.nix4
-rw-r--r--pkgs/applications/blockchains/cgminer/default.nix4
-rw-r--r--pkgs/applications/blockchains/clightning.nix4
-rw-r--r--pkgs/applications/blockchains/dashpay.nix4
-rw-r--r--pkgs/applications/blockchains/dero.nix4
-rw-r--r--pkgs/applications/blockchains/digibyte.nix4
-rw-r--r--pkgs/applications/blockchains/dogecoin.nix4
-rw-r--r--pkgs/applications/blockchains/litecoin.nix4
-rw-r--r--pkgs/applications/blockchains/masari.nix4
-rw-r--r--pkgs/applications/blockchains/monero-gui/default.nix4
-rw-r--r--pkgs/applications/blockchains/monero/default.nix4
-rw-r--r--pkgs/applications/blockchains/namecoin.nix4
-rw-r--r--pkgs/applications/blockchains/nano-wallet/default.nix4
-rw-r--r--pkgs/applications/blockchains/particl/particl-core.nix4
-rw-r--r--pkgs/applications/blockchains/pivx.nix4
-rw-r--r--pkgs/applications/blockchains/stellar-core.nix4
-rw-r--r--pkgs/applications/blockchains/vertcoin.nix4
-rw-r--r--pkgs/applications/editors/amp/default.nix4
-rw-r--r--pkgs/applications/editors/apostrophe/default.nix4
-rw-r--r--pkgs/applications/editors/aseprite/default.nix4
-rw-r--r--pkgs/applications/editors/bless/default.nix4
-rw-r--r--pkgs/applications/editors/bluefish/default.nix4
-rw-r--r--pkgs/applications/editors/codeblocks/default.nix4
-rw-r--r--pkgs/applications/editors/edit/default.nix4
-rw-r--r--pkgs/applications/editors/emacs-modes/melpa-packages.nix4
-rw-r--r--pkgs/applications/editors/emacs/generic.nix4
-rw-r--r--pkgs/applications/editors/emacs/macport.nix4
-rw-r--r--pkgs/applications/editors/featherpad/default.nix4
-rw-r--r--pkgs/applications/editors/focuswriter/default.nix4
-rw-r--r--pkgs/applications/editors/geany/default.nix4
-rw-r--r--pkgs/applications/editors/ghostwriter/default.nix4
-rw-r--r--pkgs/applications/editors/gnome-builder/default.nix4
-rw-r--r--pkgs/applications/editors/gnome-latex/default.nix4
-rw-r--r--pkgs/applications/editors/gobby/default.nix4
-rw-r--r--pkgs/applications/editors/howl/default.nix4
-rw-r--r--pkgs/applications/editors/jucipp/default.nix4
-rw-r--r--pkgs/applications/editors/kakoune/default.nix4
-rw-r--r--pkgs/applications/editors/kdevelop5/kdevelop-pg-qt.nix4
-rw-r--r--pkgs/applications/editors/kdevelop5/kdevelop.nix4
-rw-r--r--pkgs/applications/editors/leafpad/default.nix4
-rw-r--r--pkgs/applications/editors/mg/default.nix6
-rw-r--r--pkgs/applications/editors/monodevelop/default.nix4
-rw-r--r--pkgs/applications/editors/neovim/default.nix4
-rw-r--r--pkgs/applications/editors/notepadqq/default.nix4
-rw-r--r--pkgs/applications/editors/quilter/default.nix4
-rw-r--r--pkgs/applications/editors/scite/default.nix4
-rw-r--r--pkgs/applications/editors/sigil/default.nix4
-rw-r--r--pkgs/applications/editors/supertux-editor/default.nix4
-rw-r--r--pkgs/applications/editors/texmacs/default.nix4
-rw-r--r--pkgs/applications/editors/texmaker/default.nix4
-rw-r--r--pkgs/applications/editors/texstudio/default.nix4
-rw-r--r--pkgs/applications/editors/textadept/10/default.nix4
-rw-r--r--pkgs/applications/editors/textadept/11/default.nix4
-rw-r--r--pkgs/applications/editors/tiled/default.nix4
-rw-r--r--pkgs/applications/editors/vim/configurable.nix4
-rw-r--r--pkgs/applications/editors/vim/default.nix4
-rw-r--r--pkgs/applications/editors/vim/macvim.nix4
-rw-r--r--pkgs/applications/editors/vis/default.nix4
-rw-r--r--pkgs/applications/gis/grass/default.nix4
-rw-r--r--pkgs/applications/graphics/ImageMagick/7.0.nix6
-rw-r--r--pkgs/applications/graphics/ImageMagick/default.nix12
-rw-r--r--pkgs/applications/graphics/ahoviewer/default.nix4
-rw-r--r--pkgs/applications/graphics/akira/default.nix4
-rw-r--r--pkgs/applications/graphics/autotrace/default.nix4
-rw-r--r--pkgs/applications/graphics/darktable/default.nix4
-rw-r--r--pkgs/applications/graphics/dia/default.nix4
-rw-r--r--pkgs/applications/graphics/displaycal/default.nix4
-rw-r--r--pkgs/applications/graphics/djview/default.nix4
-rw-r--r--pkgs/applications/graphics/drawing/default.nix4
-rw-r--r--pkgs/applications/graphics/epeg/default.nix4
-rw-r--r--pkgs/applications/graphics/exrdisplay/default.nix4
-rw-r--r--pkgs/applications/graphics/exrtools/default.nix4
-rw-r--r--pkgs/applications/graphics/fbida/default.nix4
-rw-r--r--pkgs/applications/graphics/fondo/default.nix4
-rw-r--r--pkgs/applications/graphics/freecad/default.nix4
-rw-r--r--pkgs/applications/graphics/gcolor2/default.nix4
-rw-r--r--pkgs/applications/graphics/geeqie/default.nix4
-rw-r--r--pkgs/applications/graphics/gimp/default.nix4
-rw-r--r--pkgs/applications/graphics/glabels/default.nix4
-rw-r--r--pkgs/applications/graphics/gnome-photos/default.nix4
-rw-r--r--pkgs/applications/graphics/gnuclad/default.nix4
-rw-r--r--pkgs/applications/graphics/goxel/default.nix4
-rw-r--r--pkgs/applications/graphics/gpicview/default.nix4
-rw-r--r--pkgs/applications/graphics/gqview/default.nix6
-rw-r--r--pkgs/applications/graphics/grafx2/default.nix4
-rw-r--r--pkgs/applications/graphics/gthumb/default.nix4
-rw-r--r--pkgs/applications/graphics/guetzli/default.nix4
-rw-r--r--pkgs/applications/graphics/hugin/default.nix4
-rw-r--r--pkgs/applications/graphics/ideogram/default.nix4
-rw-r--r--pkgs/applications/graphics/imv/default.nix4
-rw-r--r--pkgs/applications/graphics/ipe/default.nix4
-rw-r--r--pkgs/applications/graphics/k3d/default.nix4
-rw-r--r--pkgs/applications/graphics/kgraphviewer/default.nix4
-rw-r--r--pkgs/applications/graphics/ktikz/default.nix4
-rw-r--r--pkgs/applications/graphics/luminance-hdr/default.nix4
-rw-r--r--pkgs/applications/graphics/mozjpeg/default.nix4
-rw-r--r--pkgs/applications/graphics/mypaint/default.nix4
-rw-r--r--pkgs/applications/graphics/nomacs/default.nix4
-rw-r--r--pkgs/applications/graphics/openimageio/2.x.nix2
-rw-r--r--pkgs/applications/graphics/openscad/default.nix4
-rw-r--r--pkgs/applications/graphics/opentoonz/default.nix4
-rw-r--r--pkgs/applications/graphics/photivo/default.nix4
-rw-r--r--pkgs/applications/graphics/photoflow/default.nix4
-rw-r--r--pkgs/applications/graphics/pqiv/default.nix4
-rw-r--r--pkgs/applications/graphics/qcomicbook/default.nix4
-rw-r--r--pkgs/applications/graphics/qimgv/default.nix4
-rw-r--r--pkgs/applications/graphics/qiv/default.nix4
-rw-r--r--pkgs/applications/graphics/rawtherapee/default.nix4
-rw-r--r--pkgs/applications/graphics/renderdoc/default.nix4
-rw-r--r--pkgs/applications/graphics/sane/backends/generic.nix4
-rw-r--r--pkgs/applications/graphics/sane/frontends.nix4
-rw-r--r--pkgs/applications/graphics/sane/xsane.nix4
-rw-r--r--pkgs/applications/graphics/shotwell/default.nix4
-rw-r--r--pkgs/applications/graphics/solvespace/default.nix4
-rw-r--r--pkgs/applications/graphics/synfigstudio/default.nix6
-rw-r--r--pkgs/applications/graphics/tesseract/tesseract3.nix4
-rw-r--r--pkgs/applications/graphics/tesseract/tesseract4.nix4
-rw-r--r--pkgs/applications/graphics/viewnior/default.nix4
-rw-r--r--pkgs/applications/graphics/xournal/default.nix4
-rw-r--r--pkgs/applications/graphics/xzgv/default.nix4
-rw-r--r--pkgs/applications/graphics/yacreader/default.nix4
-rw-r--r--pkgs/applications/graphics/zgv/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/asuka/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/chromium/common.nix4
-rw-r--r--pkgs/applications/networking/browsers/elinks/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/eolie/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/ephemeral/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/falkon/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/links2/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/midori/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/browser.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libcss.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libdom.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libhubbub.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnsbmp.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnsfb.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnsgif.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnslog.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnspsl.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libnsutils.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix4
-rw-r--r--pkgs/applications/networking/browsers/netsurf/libutf8proc.nix4
-rw-r--r--pkgs/applications/networking/browsers/surf/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/vimb/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/webbrowser/default.nix4
-rw-r--r--pkgs/applications/networking/compactor/default.nix4
-rw-r--r--pkgs/applications/networking/dropbox/cli.nix4
-rw-r--r--pkgs/applications/networking/linssid/default.nix4
-rw-r--r--pkgs/applications/networking/mpop/default.nix4
-rw-r--r--pkgs/applications/networking/msmtp/default.nix4
-rw-r--r--pkgs/applications/networking/mumble/default.nix4
-rw-r--r--pkgs/applications/networking/newsreaders/pan/default.nix4
-rw-r--r--pkgs/applications/networking/nym/default.nix4
-rw-r--r--pkgs/applications/networking/owncloud-client/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/eiskaltdcpp/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/gnunet/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/ncdc/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/qbittorrent/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/retroshare/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/synapse-bt/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/torrential/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/transgui/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/transmission-remote-gtk/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/transmission/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/twister/default.nix4
-rw-r--r--pkgs/applications/networking/remote/freerdp/default.nix4
-rw-r--r--pkgs/applications/networking/remote/putty/default.nix4
-rw-r--r--pkgs/applications/networking/remote/rdesktop/default.nix4
-rw-r--r--pkgs/applications/networking/remote/remmina/default.nix4
-rw-r--r--pkgs/applications/networking/remote/x2goclient/default.nix4
-rw-r--r--pkgs/applications/networking/remote/xrdp/default.nix6
-rw-r--r--pkgs/applications/networking/sniffers/etherape/default.nix4
-rw-r--r--pkgs/applications/networking/sniffers/ettercap/default.nix4
-rw-r--r--pkgs/applications/networking/sniffers/kismet/default.nix4
-rw-r--r--pkgs/applications/networking/sniffers/wireshark/default.nix4
-rw-r--r--pkgs/applications/networking/sniproxy/default.nix4
-rw-r--r--pkgs/applications/networking/sync/casync/default.nix4
-rw-r--r--pkgs/applications/networking/sync/lsyncd/default.nix4
-rw-r--r--pkgs/applications/networking/sync/onedrive/default.nix4
-rw-r--r--pkgs/applications/networking/vnstat/default.nix4
-rw-r--r--pkgs/applications/networking/weather/meteo/default.nix4
-rw-r--r--pkgs/applications/networking/znc/default.nix4
-rw-r--r--pkgs/applications/science/astronomy/celestia/default.nix4
-rw-r--r--pkgs/applications/science/astronomy/gildas/default.nix4
-rw-r--r--pkgs/applications/science/astronomy/gpredict/default.nix4
-rw-r--r--pkgs/applications/science/astronomy/xplanet/default.nix4
-rw-r--r--pkgs/applications/science/biology/EZminc/default.nix4
-rw-r--r--pkgs/applications/science/biology/exonerate/default.nix4
-rw-r--r--pkgs/applications/science/biology/neuron/default.nix4
-rw-r--r--pkgs/applications/science/biology/sortmerna/default.nix4
-rwxr-xr-xpkgs/applications/science/biology/vcftools/default.nix4
-rw-r--r--pkgs/applications/science/chemistry/avogadro/default.nix4
-rw-r--r--pkgs/applications/science/electronics/dsview/default.nix4
-rw-r--r--pkgs/applications/science/electronics/dsview/libsigrok4dsl.nix4
-rw-r--r--pkgs/applications/science/electronics/dsview/libsigrokdecode4dsl.nix4
-rw-r--r--pkgs/applications/science/electronics/fped/default.nix4
-rw-r--r--pkgs/applications/science/electronics/fritzing/default.nix4
-rw-r--r--pkgs/applications/science/electronics/geda/default.nix4
-rw-r--r--pkgs/applications/science/electronics/gerbv/default.nix4
-rw-r--r--pkgs/applications/science/electronics/gtkwave/default.nix4
-rw-r--r--pkgs/applications/science/electronics/hal-hardware-analyzer/default.nix4
-rw-r--r--pkgs/applications/science/electronics/horizon-eda/default.nix4
-rw-r--r--pkgs/applications/science/electronics/hyp2mat/default.nix4
-rw-r--r--pkgs/applications/science/electronics/kicad/base.nix4
-rw-r--r--pkgs/applications/science/electronics/pcb/default.nix4
-rw-r--r--pkgs/applications/science/electronics/pulseview/default.nix4
-rw-r--r--pkgs/applications/science/electronics/xcircuit/default.nix4
-rw-r--r--pkgs/applications/science/electronics/xoscope/default.nix4
-rw-r--r--pkgs/applications/science/geometry/drgeo/default.nix4
-rw-r--r--pkgs/applications/science/logic/coq/default.nix4
-rw-r--r--pkgs/applications/science/logic/cvc4/default.nix4
-rw-r--r--pkgs/applications/science/logic/elan/default.nix4
-rw-r--r--pkgs/applications/science/logic/ott/default.nix4
-rw-r--r--pkgs/applications/science/logic/prooftree/default.nix4
-rw-r--r--pkgs/applications/science/logic/twelf/default.nix4
-rw-r--r--pkgs/applications/science/math/R/default.nix4
-rw-r--r--pkgs/applications/science/math/cemu/default.nix4
-rw-r--r--pkgs/applications/science/math/ginac/default.nix4
-rw-r--r--pkgs/applications/science/math/nasc/default.nix4
-rw-r--r--pkgs/applications/science/math/pspp/default.nix4
-rw-r--r--pkgs/applications/science/math/pynac/default.nix4
-rw-r--r--pkgs/applications/science/math/qalculate-gtk/default.nix4
-rw-r--r--pkgs/applications/science/math/rofi-calc/default.nix4
-rw-r--r--pkgs/applications/science/math/sage/default.nix6
-rw-r--r--pkgs/applications/science/math/singular/default.nix4
-rw-r--r--pkgs/applications/science/misc/boinc/default.nix4
-rw-r--r--pkgs/applications/science/misc/openmodelica/default.nix4
-rw-r--r--pkgs/applications/science/misc/openmvg/default.nix4
-rw-r--r--pkgs/applications/science/misc/openmvs/default.nix4
-rw-r--r--pkgs/applications/science/misc/root/default.nix4
-rw-r--r--pkgs/applications/science/robotics/qgroundcontrol/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/alacritty/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/eterm/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/evilvte/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/havoc/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/kitty/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/lilyterm/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/lxterminal/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/mlterm/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/mrxvt/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/roxterm/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/rxvt-unicode-plugins/urxvt-bidi/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/rxvt-unicode/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/rxvt/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/sakura/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/st/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/st/xst.nix4
-rw-r--r--pkgs/applications/terminal-emulators/stupidterm/default.nix6
-rw-r--r--pkgs/applications/terminal-emulators/termite/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/tilix/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/wayst/default.nix4
-rw-r--r--pkgs/applications/terminal-emulators/xterm/default.nix4
-rw-r--r--pkgs/applications/version-management/bitkeeper/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/cgit/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/git-dit/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/git-gone/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/git-ignore/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/git-workspace/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/git/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/gitin/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/grv/default.nix4
-rw-r--r--pkgs/applications/version-management/git-and-tools/tig/default.nix4
-rw-r--r--pkgs/applications/version-management/gitlab/gitaly/default.nix4
-rw-r--r--pkgs/applications/version-management/gitoxide/default.nix2
-rw-r--r--pkgs/applications/version-management/gource/default.nix4
-rw-r--r--pkgs/applications/version-management/guitone/default.nix4
-rw-r--r--pkgs/applications/version-management/monotone-viz/default.nix6
-rw-r--r--pkgs/applications/version-management/monotone-viz/graphviz-2.0.nix4
-rw-r--r--pkgs/applications/version-management/monotone/default.nix4
-rw-r--r--pkgs/applications/window-managers/afterstep/default.nix6
-rw-r--r--pkgs/applications/window-managers/awesome/default.nix4
-rw-r--r--pkgs/applications/window-managers/cwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/dwm/dwm-status.nix4
-rw-r--r--pkgs/applications/window-managers/dzen2/default.nix4
-rw-r--r--pkgs/applications/window-managers/fbpanel/default.nix4
-rw-r--r--pkgs/applications/window-managers/fluxbox/default.nix4
-rw-r--r--pkgs/applications/window-managers/fvwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/herbstluftwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/hikari/default.nix4
-rw-r--r--pkgs/applications/window-managers/i3/easyfocus.nix4
-rw-r--r--pkgs/applications/window-managers/i3/i3ipc-glib.nix4
-rw-r--r--pkgs/applications/window-managers/i3/lock-color.nix4
-rw-r--r--pkgs/applications/window-managers/i3/lock.nix4
-rw-r--r--pkgs/applications/window-managers/i3/status-rust.nix4
-rw-r--r--pkgs/applications/window-managers/i3/status.nix4
-rw-r--r--pkgs/applications/window-managers/i3/wmfocus.nix4
-rw-r--r--pkgs/applications/window-managers/jwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/jwm/jwm-settings-manager.nix4
-rw-r--r--pkgs/applications/window-managers/kbdd/default.nix4
-rw-r--r--pkgs/applications/window-managers/matchbox/default.nix4
-rw-r--r--pkgs/applications/window-managers/neocomp/default.nix4
-rw-r--r--pkgs/applications/window-managers/notion/default.nix4
-rw-r--r--pkgs/applications/window-managers/openbox/default.nix4
-rw-r--r--pkgs/applications/window-managers/oroborus/default.nix4
-rw-r--r--pkgs/applications/window-managers/qtile/default.nix4
-rw-r--r--pkgs/applications/window-managers/ratpoison/default.nix4
-rw-r--r--pkgs/applications/window-managers/spectrwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/sway/bg.nix4
-rw-r--r--pkgs/applications/window-managers/sway/idle.nix4
-rw-r--r--pkgs/applications/window-managers/sway/lock-effects.nix4
-rw-r--r--pkgs/applications/window-managers/sway/lock.nix4
-rw-r--r--pkgs/applications/window-managers/trayer/default.nix4
-rw-r--r--pkgs/applications/window-managers/vwm/default.nix4
-rw-r--r--pkgs/applications/window-managers/windowlab/default.nix4
-rw-r--r--pkgs/applications/window-managers/windowmaker/default.nix4
-rw-r--r--pkgs/applications/window-managers/windowmaker/dockapps/wmsystemtray.nix4
-rw-r--r--pkgs/applications/window-managers/wmii-hg/default.nix4
-rw-r--r--pkgs/applications/window-managers/xmonad/log-applet/default.nix4
-rw-r--r--pkgs/applications/window-managers/yabar/build.nix4
503 files changed, 1020 insertions, 1020 deletions
diff --git a/pkgs/applications/accessibility/contrast/default.nix b/pkgs/applications/accessibility/contrast/default.nix
index 1d18f4a9230..2899d4ea6ef 100644
--- a/pkgs/applications/accessibility/contrast/default.nix
+++ b/pkgs/applications/accessibility/contrast/default.nix
@@ -10,7 +10,7 @@
 , meson
 , ninja
 , pango
-, pkgconfig
+, pkg-config
 , python3
 , rustc
 , rustPlatform
@@ -37,7 +37,7 @@ rustPlatform.buildRustPackage rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     glib # for glib-compile-resources
diff --git a/pkgs/applications/accessibility/dasher/default.nix b/pkgs/applications/accessibility/dasher/default.nix
index 43844d0c66b..fe0d8fe8634 100644
--- a/pkgs/applications/accessibility/dasher/default.nix
+++ b/pkgs/applications/accessibility/dasher/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub
-, autoreconfHook, pkgconfig, wrapGAppsHook
+, autoreconfHook, pkg-config, wrapGAppsHook
 , glib, gtk3, expat, gnome-doc-utils, which
 , at-spi2-core, dbus
 , libxslt, libxml2
@@ -29,7 +29,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [
     autoreconfHook
     wrapGAppsHook
-    pkgconfig
+    pkg-config
     # doc generation
     gnome-doc-utils
     which
diff --git a/pkgs/applications/accessibility/mousetweaks/default.nix b/pkgs/applications/accessibility/mousetweaks/default.nix
index e1449131f16..2ff36bb6833 100644
--- a/pkgs/applications/accessibility/mousetweaks/default.nix
+++ b/pkgs/applications/accessibility/mousetweaks/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , glib, gtk3, gnome3, gsettings-desktop-schemas, wrapGAppsHook
 , libX11, libXtst, libXfixes, libXcursor
 }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
    sha256 = "005fhmvb45sa9mq17dpa23n1xnspiissx5rnpiy7hiqmy3g5rg8f";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
 
   buildInputs = [
     glib gtk3 gsettings-desktop-schemas
diff --git a/pkgs/applications/audio/a2jmidid/default.nix b/pkgs/applications/audio/a2jmidid/default.nix
index 35c9cda1821..4f76178a29d 100644
--- a/pkgs/applications/audio/a2jmidid/default.nix
+++ b/pkgs/applications/audio/a2jmidid/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, makeWrapper, pkgconfig, alsaLib, dbus, libjack2
+{ lib, stdenv, fetchFromGitHub, fetchpatch, makeWrapper, pkg-config, alsaLib, dbus, libjack2
 , python3Packages , meson, ninja }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-WNt74tSWV8bY4TnpLp86PsnrjkqWynJJt3Ra4gZl2fQ=";
   };
 
-  nativeBuildInputs = [ pkgconfig makeWrapper meson ninja ];
+  nativeBuildInputs = [ pkg-config makeWrapper meson ninja ];
   buildInputs = [ alsaLib dbus libjack2 ] ++
                 (with python3Packages; [ python dbus-python ]);
 
diff --git a/pkgs/applications/audio/adlplug/default.nix b/pkgs/applications/audio/adlplug/default.nix
index cdf9e3e538e..ecc429de6b2 100644
--- a/pkgs/applications/audio/adlplug/default.nix
+++ b/pkgs/applications/audio/adlplug/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, libjack2, alsaLib
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, libjack2, alsaLib
 , freetype, libX11, libXrandr, libXinerama, libXext, libXcursor
 , fetchpatch, fmt
 , adlplugChip ? "-DADLplug_CHIP=OPL3"
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     libjack2 alsaLib freetype libX11 libXrandr libXinerama libXext
     libXcursor
   ];
-  nativeBuildInputs = [ cmake pkgconfig fmt ];
+  nativeBuildInputs = [ cmake pkg-config fmt ];
 
   meta = with lib; {
     description = "OPL3 and OPN2 FM Chip Synthesizer";
diff --git a/pkgs/applications/audio/aj-snapshot/default.nix b/pkgs/applications/audio/aj-snapshot/default.nix
index e4a196d0f6b..636314bf1ca 100644
--- a/pkgs/applications/audio/aj-snapshot/default.nix
+++ b/pkgs/applications/audio/aj-snapshot/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, alsaLib, jack2Full, minixml, pkgconfig }:
+{ lib, stdenv, fetchurl, alsaLib, jack2Full, minixml, pkg-config }:
 
 stdenv.mkDerivation rec {
   name =  packageName + "-" + version ;
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   doCheck = false;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ alsaLib minixml jack2Full ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/ams-lv2/default.nix b/pkgs/applications/audio/ams-lv2/default.nix
index 99c3ca73607..88956a190c4 100644
--- a/pkgs/applications/audio/ams-lv2/default.nix
+++ b/pkgs/applications/audio/ams-lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cairo, fftw, gtkmm2, lv2, lvtk, pkgconfig
+{ lib, stdenv, fetchFromGitHub, cairo, fftw, gtkmm2, lv2, lvtk, pkg-config
 , wafHook, python3 }:
 
 stdenv.mkDerivation  rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation  rec {
     sha256 = "1lz2mvk4gqsyf92yxd3aaldx0d0qi28h4rnnvsaz4ls0ccqm80nk";
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook python3 ];
+  nativeBuildInputs = [ pkg-config wafHook python3 ];
   buildInputs = [ cairo fftw gtkmm2 lv2 lvtk ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/ario/default.nix b/pkgs/applications/audio/ario/default.nix
index c4a7829157d..896f9361947 100644
--- a/pkgs/applications/audio/ario/default.nix
+++ b/pkgs/applications/audio/ario/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, intltool,
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, intltool,
   wrapGAppsHook, libxml2, curl, mpd_clientlib, dbus-glib,
   libsoup, avahi, taglib
   }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "16nhfb3h5pc7flagfdz7xy0iq6kvgy6h4bfpi523i57rxvlfshhl";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext intltool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config gettext intltool wrapGAppsHook ];
   buildInputs = [
     gtk3 libxml2 curl mpd_clientlib dbus-glib libsoup avahi taglib
   ];
diff --git a/pkgs/applications/audio/asunder/default.nix b/pkgs/applications/audio/asunder/default.nix
index 2e849912edb..c3cba87e300 100644
--- a/pkgs/applications/audio/asunder/default.nix
+++ b/pkgs/applications/audio/asunder/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, gtk2, libcddb, intltool, pkgconfig, cdparanoia
+{ lib, stdenv, fetchurl, makeWrapper, gtk2, libcddb, intltool, pkg-config, cdparanoia
 , mp3Support ? false, lame
 , oggSupport ? true, vorbis-tools
 , flacSupport ? true, flac
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "1x3l308ss0iqhz90qyjb94gyd8b4piyrm2nzjmg5kf049k9prjf1";
   };
 
-  nativeBuildInputs = [ intltool makeWrapper pkgconfig ];
+  nativeBuildInputs = [ intltool makeWrapper pkg-config ];
   buildInputs = [ gtk2 libcddb ];
 
   runtimeDeps =
diff --git a/pkgs/applications/audio/audacious/default.nix b/pkgs/applications/audio/audacious/default.nix
index c441a2f9f3f..82a2303e26b 100644
--- a/pkgs/applications/audio/audacious/default.nix
+++ b/pkgs/applications/audio/audacious/default.nix
@@ -1,6 +1,6 @@
 {
   mkDerivation, lib, fetchurl, fetchpatch,
-  gettext, pkgconfig,
+  gettext, pkg-config,
   qtbase,
   alsaLib, curl, faad2, ffmpeg, flac, fluidsynth, gdk-pixbuf, lame, libbs2b,
   libcddb, libcdio, libcdio-paranoia, libcue, libjack2, libmad, libmms, libmodplug,
@@ -22,7 +22,7 @@ mkDerivation rec {
     sha256 = "0ny5w1agr9jaz5w3wyyxf1ygmzmd1sivaf97lcm4z4w6529520lz";
   };
 
-  nativeBuildInputs = [ gettext pkgconfig ];
+  nativeBuildInputs = [ gettext pkg-config ];
 
   buildInputs = [
     # Core dependencies
diff --git a/pkgs/applications/audio/audio-recorder/default.nix b/pkgs/applications/audio/audio-recorder/default.nix
index c1701671bee..6a4abbbdf53 100644
--- a/pkgs/applications/audio/audio-recorder/default.nix
+++ b/pkgs/applications/audio/audio-recorder/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, pkgconfig, intltool
+, pkg-config, intltool
 , glib, dbus, gtk3, libappindicator-gtk3, gst_all_1
 , librsvg, wrapGAppsHook
 , pulseaudioSupport ? true, libpulseaudio ? null }:
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   # https://bugs.launchpad.net/audio-recorder/+bug/1784622
   NIX_CFLAGS_COMPILE = "-I${glib.dev}/include/gio-unix-2.0";
 
-  nativeBuildInputs = [ pkgconfig intltool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool wrapGAppsHook ];
 
   buildInputs = [
     glib dbus gtk3 librsvg libappindicator-gtk3
diff --git a/pkgs/applications/audio/aumix/default.nix b/pkgs/applications/audio/aumix/default.nix
index ffda8b6734d..b1808ed90f1 100644
--- a/pkgs/applications/audio/aumix/default.nix
+++ b/pkgs/applications/audio/aumix/default.nix
@@ -1,9 +1,9 @@
 {lib, stdenv, fetchurl, gettext, ncurses
 , gtkGUI ? false
-, pkgconfig ? null
+, pkg-config ? null
 , gtk2 ? null}:
 
-assert gtkGUI -> pkgconfig != null && gtk2 != null;
+assert gtkGUI -> pkg-config != null && gtk2 != null;
 
 stdenv.mkDerivation rec {
   name = "aumix-2.9.1";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ gettext ncurses ]
-    ++ (if gtkGUI then [pkgconfig gtk2] else []);
+    ++ (if gtkGUI then [pkg-config gtk2] else []);
 
   meta = {
     description = "Audio mixer for X and the console";
diff --git a/pkgs/applications/audio/axoloti/dfu-util.nix b/pkgs/applications/audio/axoloti/dfu-util.nix
index 4b4b5ce5678..a8a2f8813af 100644
--- a/pkgs/applications/audio/axoloti/dfu-util.nix
+++ b/pkgs/applications/audio/axoloti/dfu-util.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchurl, pkgconfig, libusb1-axoloti }:
+{ lib, stdenv, fetchurl, pkg-config, libusb1-axoloti }:
 
 stdenv.mkDerivation rec {
   pname = "dfu-util";
   version = "0.8";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libusb1-axoloti ];
 
   src = fetchurl {
diff --git a/pkgs/applications/audio/axoloti/libusb1.nix b/pkgs/applications/audio/axoloti/libusb1.nix
index f00167026b4..b6c2a1b1ae6 100644
--- a/pkgs/applications/audio/axoloti/libusb1.nix
+++ b/pkgs/applications/audio/axoloti/libusb1.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, pkgconfig, systemd ? null, libobjc, IOKit, fetchpatch }:
+{ stdenv, lib, fetchurl, pkg-config, systemd ? null, libobjc, IOKit, fetchpatch }:
 
 stdenv.mkDerivation rec {
   name = "libusb-1.0.19";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ]; # get rid of propagating systemd closure
 
-  buildInputs = [ pkgconfig ];
+  buildInputs = [ pkg-config ];
   propagatedBuildInputs =
     lib.optional stdenv.isLinux systemd ++
     lib.optionals stdenv.isDarwin [ libobjc IOKit ];
diff --git a/pkgs/applications/audio/bitmeter/default.nix b/pkgs/applications/audio/bitmeter/default.nix
index ebea6251dfb..6108d84c3d9 100644
--- a/pkgs/applications/audio/bitmeter/default.nix
+++ b/pkgs/applications/audio/bitmeter/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, autoreconfHook, fetchurl, libjack2, gtk2, pkgconfig }:
+{ lib, stdenv, autoreconfHook, fetchurl, libjack2, gtk2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "bitmeter";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "09ck2gxqky701dc1p0ip61rrn16v0pdc7ih2hc2sd63zcw53g2a7";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libjack2 gtk2 ];
 
   patches = [
diff --git a/pkgs/applications/audio/bjumblr/default.nix b/pkgs/applications/audio/bjumblr/default.nix
index cc6df2328e0..104c795c11e 100644
--- a/pkgs/applications/audio/bjumblr/default.nix
+++ b/pkgs/applications/audio/bjumblr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libX11, cairo, lv2, pkgconfig, libsndfile }:
+{ lib, stdenv, fetchFromGitHub, libX11, cairo, lv2, pkg-config, libsndfile }:
 
 stdenv.mkDerivation rec {
   pname = "BJumblr";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0kl6hrxmqrdf0195bfnzsa2h1073fgiqrfhg2276fm1954sm994v";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libX11 cairo lv2 libsndfile
   ];
diff --git a/pkgs/applications/audio/bristol/default.nix b/pkgs/applications/audio/bristol/default.nix
index d58ff73bb70..e86341a608e 100644
--- a/pkgs/applications/audio/bristol/default.nix
+++ b/pkgs/applications/audio/bristol/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, alsaLib, libjack2, pkgconfig, libpulseaudio, xorg }:
+{ lib, stdenv, fetchurl, alsaLib, libjack2, pkg-config, libpulseaudio, xorg }:
 
 stdenv.mkDerivation  rec {
   pname = "bristol";
@@ -9,7 +9,7 @@ stdenv.mkDerivation  rec {
     sha256 = "1fi2m4gmvxdi260821y09lxsimq82yv4k5bbgk3kyc3x1nyhn7vx";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     alsaLib libjack2 libpulseaudio xorg.libX11 xorg.libXext
     xorg.xorgproto
diff --git a/pkgs/applications/audio/bsequencer/default.nix b/pkgs/applications/audio/bsequencer/default.nix
index 93e010d826d..d45b42ddb9f 100644
--- a/pkgs/applications/audio/bsequencer/default.nix
+++ b/pkgs/applications/audio/bsequencer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "BSEQuencer";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0hagnn104ybzdp13r95idw20fhmzif8p3kmiypnr20m6c64rdd29";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 cairo lv2
   ];
diff --git a/pkgs/applications/audio/bshapr/default.nix b/pkgs/applications/audio/bshapr/default.nix
index e4f96e396c9..7e45d6a826f 100644
--- a/pkgs/applications/audio/bshapr/default.nix
+++ b/pkgs/applications/audio/bshapr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "BShapr";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "04zd3a178i2nivg5rjailzqvc5mlnilmhj1ziygmbhshbrywplri";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 cairo lv2
   ];
diff --git a/pkgs/applications/audio/bslizr/default.nix b/pkgs/applications/audio/bslizr/default.nix
index c833bd1262b..d307307fd1d 100644
--- a/pkgs/applications/audio/bslizr/default.nix
+++ b/pkgs/applications/audio/bslizr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "BSlizr";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1f7xrljvsy7a1p8c7wln2zhwarl3ara7gbjxkpyh47wfdpigpdb0";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 cairo lv2
   ];
diff --git a/pkgs/applications/audio/cadence/default.nix b/pkgs/applications/audio/cadence/default.nix
index b94e8d2e6f2..d71420d0722 100644
--- a/pkgs/applications/audio/cadence/default.nix
+++ b/pkgs/applications/audio/cadence/default.nix
@@ -6,7 +6,7 @@
 , fetchpatch
 , fetchzip
 , jack_capture
-, pkgconfig
+, pkg-config
 , pulseaudioFull
 , qtbase
 , makeWrapper
@@ -48,7 +48,7 @@ mkDerivation rec {
   '';
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/audio/calf/default.nix b/pkgs/applications/audio/calf/default.nix
index 8fecd558e67..bdcbf024e60 100644
--- a/pkgs/applications/audio/calf/default.nix
+++ b/pkgs/applications/audio/calf/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, cairo, expat, fftwSinglePrec, fluidsynth, glib
-, gtk2, libjack2, ladspaH , libglade, lv2, pkgconfig }:
+, gtk2, libjack2, ladspaH , libglade, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "calf";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     cairo expat fftwSinglePrec fluidsynth glib gtk2 libjack2 ladspaH
-    libglade lv2 pkgconfig
+    libglade lv2 pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/cantata/default.nix b/pkgs/applications/audio/cantata/default.nix
index bbdcbc21b78..8f02e8da893 100644
--- a/pkgs/applications/audio/cantata/default.nix
+++ b/pkgs/applications/audio/cantata/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, cmake, pkgconfig
+{ mkDerivation, lib, fetchFromGitHub, cmake, pkg-config
 , qtbase, qtsvg, qttools, perl
 
 # Cantata doesn't build with cdparanoia enabled so we disable that
@@ -73,7 +73,7 @@ in mkDerivation {
     ++ lib.optional  withUdisks udisks2
     ++ lib.optional  withLibVlc libvlc;
 
-  nativeBuildInputs = [ cmake pkgconfig qttools ];
+  nativeBuildInputs = [ cmake pkg-config qttools ];
 
   cmakeFlags = lib.flatten [
     (fstats withTaglib        [ "TAGLIB" "TAGLIB_EXTRAS" ])
diff --git a/pkgs/applications/audio/carla/default.nix b/pkgs/applications/audio/carla/default.nix
index 3800e351fab..a4b68707ee7 100644
--- a/pkgs/applications/audio/carla/default.nix
+++ b/pkgs/applications/audio/carla/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, alsaLib, file, fluidsynth, ffmpeg_3, jack2,
-  liblo, libpulseaudio, libsndfile, pkgconfig, python3Packages,
+  liblo, libpulseaudio, libsndfile, pkg-config, python3Packages,
   which, withFrontend ? true,
   withQt ? true, qtbase ? null, wrapQtAppsHook ? null,
   withGtk2 ? true, gtk2 ? null,
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    python3Packages.wrapPython pkgconfig which wrapQtAppsHook
+    python3Packages.wrapPython pkg-config which wrapQtAppsHook
   ];
 
   pythonPath = with python3Packages; [
diff --git a/pkgs/applications/audio/clementine/default.nix b/pkgs/applications/audio/clementine/default.nix
index b7b42b0aa7d..12aec0d4cbb 100644
--- a/pkgs/applications/audio/clementine/default.nix
+++ b/pkgs/applications/audio/clementine/default.nix
@@ -2,7 +2,7 @@
 , qtbase, qtx11extras
 , taglib, fftw, glew, qjson, sqlite, libgpod, libplist, usbmuxd, libmtp
 , libpulseaudio, gvfs, libcdio, libechonest, libspotify, pcre, projectm, protobuf
-, qca2, pkgconfig, sparsehash, config, makeWrapper, gst_plugins }:
+, qca2, pkg-config, sparsehash, config, makeWrapper, gst_plugins }:
 
 let
   withIpod = config.clementine.ipod or false;
@@ -24,7 +24,7 @@ let
     ./clementine-spotify-blob.patch
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     boost
diff --git a/pkgs/applications/audio/cmus/default.nix b/pkgs/applications/audio/cmus/default.nix
index e573c7c14b1..2193b359e68 100644
--- a/pkgs/applications/audio/cmus/default.nix
+++ b/pkgs/applications/audio/cmus/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchFromGitHub, runCommand, ncurses, pkgconfig
+{ config, lib, stdenv, fetchFromGitHub, runCommand, ncurses, pkg-config
 , libiconv, CoreAudio
 
 , alsaSupport ? stdenv.isLinux, alsaLib ? null
@@ -118,7 +118,7 @@ stdenv.mkDerivation rec {
     "CONFIG_WAV=y"
   ] ++ concatMap (a: a.flags) opts);
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses ]
     ++ lib.optional stdenv.cc.isClang clangGCC
     ++ lib.optionals stdenv.isDarwin [ libiconv CoreAudio ]
diff --git a/pkgs/applications/audio/cmusfm/default.nix b/pkgs/applications/audio/cmusfm/default.nix
index 307e06602e7..79f78452c4c 100644
--- a/pkgs/applications/audio/cmusfm/default.nix
+++ b/pkgs/applications/audio/cmusfm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, curl, libnotify, gdk-pixbuf }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, curl, libnotify, gdk-pixbuf }:
 
 stdenv.mkDerivation {
   version = "2020-07-23";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
   # building
   configureFlags = [ "--enable-libnotify" ];
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ curl libnotify gdk-pixbuf ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/cozy-audiobooks/default.nix b/pkgs/applications/audio/cozy-audiobooks/default.nix
index a30d604e346..e78e50877d3 100644
--- a/pkgs/applications/audio/cozy-audiobooks/default.nix
+++ b/pkgs/applications/audio/cozy-audiobooks/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchFromGitHub
 , ninja
 , meson
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , appstream-glib
 , desktop-file-utils
@@ -35,7 +35,7 @@ python3Packages.buildPythonApplication rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig
+    meson ninja pkg-config
     wrapGAppsHook
     appstream-glib
     desktop-file-utils
diff --git a/pkgs/applications/audio/deadbeef/default.nix b/pkgs/applications/audio/deadbeef/default.nix
index 800458e7925..9eda6333112 100644
--- a/pkgs/applications/audio/deadbeef/default.nix
+++ b/pkgs/applications/audio/deadbeef/default.nix
@@ -3,7 +3,7 @@
 , automake
 , libtool
 , intltool
-, pkgconfig
+, pkg-config
 , jansson
 # deadbeef can use either gtk2 or gtk3
 , gtk2Support ? false, gtk2 ? null
@@ -97,7 +97,7 @@ stdenv.mkDerivation rec {
     automake
     intltool
     libtool
-    pkgconfig
+    pkg-config
   ] ++ lib.optional gtk3Support wrapGAppsHook;
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/audio/deadbeef/plugins/headerbar-gtk3.nix b/pkgs/applications/audio/deadbeef/plugins/headerbar-gtk3.nix
index 819192fc1d4..16cefc5ff85 100644
--- a/pkgs/applications/audio/deadbeef/plugins/headerbar-gtk3.nix
+++ b/pkgs/applications/audio/deadbeef/plugins/headerbar-gtk3.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, libxml2, deadbeef, glib, gtk3 }:
+{ lib, stdenv, fetchFromGitHub, autoconf, automake, libtool, pkg-config, libxml2, deadbeef, glib, gtk3 }:
 
 stdenv.mkDerivation rec {
   pname = "deadbeef-headerbar-gtk3-plugin";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1v1schvnps7ypjqgcbqi74a45w8r2gbhrawz7filym22h1qr9wn0";
   };
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig libxml2 ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config libxml2 ];
   buildInputs = [ deadbeef glib gtk3 ];
 
   # Choose correct installation path
diff --git a/pkgs/applications/audio/deadbeef/plugins/infobar.nix b/pkgs/applications/audio/deadbeef/plugins/infobar.nix
index d5894e2fdbc..3f62e73e7e4 100644
--- a/pkgs/applications/audio/deadbeef/plugins/infobar.nix
+++ b/pkgs/applications/audio/deadbeef/plugins/infobar.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, deadbeef, gtk3, libxml2 }:
+{ lib, stdenv, fetchurl, pkg-config, deadbeef, gtk3, libxml2 }:
 
 stdenv.mkDerivation rec {
   pname = "deadbeef-infobar-plugin";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0c9wh3wh1hdww7v96i8cy797la06mylhfi0880k8vwh88079aapf";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ deadbeef gtk3 libxml2 ];
 
   buildFlags = [ "gtk3" ];
diff --git a/pkgs/applications/audio/deadbeef/plugins/lyricbar.nix b/pkgs/applications/audio/deadbeef/plugins/lyricbar.nix
index ad388e23d9f..bc6d206956f 100644
--- a/pkgs/applications/audio/deadbeef/plugins/lyricbar.nix
+++ b/pkgs/applications/audio/deadbeef/plugins/lyricbar.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, deadbeef, gtkmm3, libxmlxx3 }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, deadbeef, gtkmm3, libxmlxx3 }:
 
 stdenv.mkDerivation {
   pname = "deadbeef-lyricbar-plugin";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "108hx5530f4xm8p9m2bk79nq7jkhcj39ad3vmxb2y6h6l2zv5kwl";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ deadbeef gtkmm3 libxmlxx3 ];
 
   buildFlags = [ "gtk3" ];
diff --git a/pkgs/applications/audio/deadbeef/plugins/mpris2.nix b/pkgs/applications/audio/deadbeef/plugins/mpris2.nix
index 7bc0a4d1fa6..d0c1b4f9e50 100644
--- a/pkgs/applications/audio/deadbeef/plugins/mpris2.nix
+++ b/pkgs/applications/audio/deadbeef/plugins/mpris2.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, deadbeef, glib }:
+{ lib, stdenv, fetchurl, pkg-config, deadbeef, glib }:
 
 stdenv.mkDerivation rec {
   pname = "deadbeef-mpris2-plugin";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0s3y4ka4qf38cypc0xspy79q0g5y1kqx6ldad7yr6a45nw6j95jh";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ deadbeef glib ];
 
diff --git a/pkgs/applications/audio/denemo/default.nix b/pkgs/applications/audio/denemo/default.nix
index ea152b59a50..4abaec8dadd 100644
--- a/pkgs/applications/audio/denemo/default.nix
+++ b/pkgs/applications/audio/denemo/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libjack2, gettext, intltool, guile_2_0, lilypond
 , glib, libxml2, librsvg, libsndfile, aubio
 , gtk3, gtksourceview, evince, fluidsynth, rubberband
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     wrapGAppsHook
     intltool
     gettext
-    pkgconfig
+    pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/dragonfly-reverb/default.nix b/pkgs/applications/audio/dragonfly-reverb/default.nix
index 0ada1dfeaa6..4f3d2a6a4dc 100644
--- a/pkgs/applications/audio/dragonfly-reverb/default.nix
+++ b/pkgs/applications/audio/dragonfly-reverb/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libjack2, libGL, pkgconfig, xorg }:
+{ lib, stdenv, fetchFromGitHub, libjack2, libGL, pkg-config, xorg }:
 
 stdenv.mkDerivation rec {
   pname = "dragonfly-reverb";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     patchShebangs dpf/utils/generate-ttl.sh
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libjack2 xorg.libX11 libGL
   ];
diff --git a/pkgs/applications/audio/drumgizmo/default.nix b/pkgs/applications/audio/drumgizmo/default.nix
index f69e101877b..dfaf7127f4b 100644
--- a/pkgs/applications/audio/drumgizmo/default.nix
+++ b/pkgs/applications/audio/drumgizmo/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, fetchpatch, alsaLib, expat, glib, libjack2, libXext, libX11, libpng
-, libpthreadstubs, libsmf, libsndfile, lv2, pkgconfig, zita-resampler
+, libpthreadstubs, libsmf, libsndfile, lv2, pkg-config, zita-resampler
 }:
 
 stdenv.mkDerivation rec {
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     alsaLib expat glib libjack2 libXext libX11 libpng libpthreadstubs
-    libsmf libsndfile lv2 pkgconfig zita-resampler
+    libsmf libsndfile lv2 pkg-config zita-resampler
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/drumkv1/default.nix b/pkgs/applications/audio/drumkv1/default.nix
index 82a47b8173a..c175804a026 100644
--- a/pkgs/applications/audio/drumkv1/default.nix
+++ b/pkgs/applications/audio/drumkv1/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchurl, pkgconfig, libjack2, alsaLib, libsndfile, liblo, lv2, qt5 }:
+{ mkDerivation, lib, fetchurl, pkg-config, libjack2, alsaLib, libsndfile, liblo, lv2, qt5 }:
 
 mkDerivation rec {
   pname = "drumkv1";
@@ -11,7 +11,7 @@ mkDerivation rec {
 
   buildInputs = [ libjack2 alsaLib libsndfile liblo lv2 qt5.qtbase qt5.qttools ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "An old-school drum-kit sampler synthesizer with stereo fx";
diff --git a/pkgs/applications/audio/easytag/default.nix b/pkgs/applications/audio/easytag/default.nix
index 6f5431cf1d8..65c871640ef 100644
--- a/pkgs/applications/audio/easytag/default.nix
+++ b/pkgs/applications/audio/easytag/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk3, glib, libid3tag, id3lib, taglib
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk3, glib, libid3tag, id3lib, taglib
 , libvorbis, libogg, opusfile, flac, itstool, libxml2, gsettings-desktop-schemas
 , gnome3, wrapGAppsHook
 }:
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
 
   NIX_LDFLAGS = "-lid3tag -lz";
 
-  nativeBuildInputs = [ pkgconfig intltool itstool libxml2 wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool itstool libxml2 wrapGAppsHook ];
   buildInputs = [
     gtk3 glib libid3tag id3lib taglib libvorbis libogg opusfile flac
     gsettings-desktop-schemas gnome3.adwaita-icon-theme
diff --git a/pkgs/applications/audio/ekho/default.nix b/pkgs/applications/audio/ekho/default.nix
index 8897abd7007..25ed8a71aa1 100644
--- a/pkgs/applications/audio/ekho/default.nix
+++ b/pkgs/applications/audio/ekho/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libsndfile, libpulseaudio
 }:
 
@@ -33,7 +33,7 @@ in stdenv.mkDerivation rec {
     NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -DEKHO_DATA_PATH=\"$out/share/ekho-data\""
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ libsndfile libpulseaudio ];
 }
diff --git a/pkgs/applications/audio/ensemble-chorus/default.nix b/pkgs/applications/audio/ensemble-chorus/default.nix
index 65dac936a38..7858da25b7c 100644
--- a/pkgs/applications/audio/ensemble-chorus/default.nix
+++ b/pkgs/applications/audio/ensemble-chorus/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fltk, alsaLib, freetype, libXrandr, libXinerama, libXcursor, lv2, libjack2, cmake, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, fltk, alsaLib, freetype, libXrandr, libXinerama, libXcursor, lv2, libjack2, cmake, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "ensemble-chorus";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     fltk alsaLib freetype libXrandr libXinerama libXcursor lv2 libjack2
diff --git a/pkgs/applications/audio/espeak-ng/default.nix b/pkgs/applications/audio/espeak-ng/default.nix
index 720e1d4484a..50d7af6d116 100644
--- a/pkgs/applications/audio/espeak-ng/default.nix
+++ b/pkgs/applications/audio/espeak-ng/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, autoconf, automake, which, libtool, pkgconfig
+{ stdenv, lib, fetchFromGitHub, autoconf, automake, which, libtool, pkg-config
 , ronn
 , pcaudiolibSupport ? true, pcaudiolib
 , sonicSupport ? true, sonic }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jkqhf2h94vbqq7mg7mmm23bq372fa7mdk941my18c3vkldcir1b";
   };
 
-  nativeBuildInputs = [ autoconf automake which libtool pkgconfig ronn ];
+  nativeBuildInputs = [ autoconf automake which libtool pkg-config ronn ];
 
   buildInputs = lib.optional pcaudiolibSupport pcaudiolib
              ++ lib.optional sonicSupport sonic;
diff --git a/pkgs/applications/audio/espeak/edit.nix b/pkgs/applications/audio/espeak/edit.nix
index c7c975ef953..aa0dc90adf5 100644
--- a/pkgs/applications/audio/espeak/edit.nix
+++ b/pkgs/applications/audio/espeak/edit.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, unzip, portaudio, wxGTK, sox }:
+{ lib, stdenv, fetchurl, pkg-config, unzip, portaudio, wxGTK, sox }:
 
 stdenv.mkDerivation rec {
   name = "espeakedit-1.48.03";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0x8s7vpb7rw5x37yjzy1f98m4f2csdg89libb74fm36gn8ly0hli";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ unzip portaudio wxGTK ];
 
   # TODO:
diff --git a/pkgs/applications/audio/faust/faust1.nix b/pkgs/applications/audio/faust/faust1.nix
index 365055523ea..6d7d2e2c2ba 100644
--- a/pkgs/applications/audio/faust/faust1.nix
+++ b/pkgs/applications/audio/faust/faust1.nix
@@ -2,7 +2,7 @@
 , coreutils
 , fetchurl
 , makeWrapper
-, pkgconfig
+, pkg-config
 }:
 
 with lib.strings;
@@ -159,7 +159,7 @@ let
 
     stdenv.mkDerivation ((faust2ApplBase args) // {
 
-      nativeBuildInputs = [ pkgconfig ];
+      nativeBuildInputs = [ pkg-config ];
       buildInputs = [ makeWrapper ];
 
       propagatedBuildInputs = [ faust ] ++ propagatedBuildInputs;
diff --git a/pkgs/applications/audio/faust/faust2.nix b/pkgs/applications/audio/faust/faust2.nix
index 52a291603f8..990d073528e 100644
--- a/pkgs/applications/audio/faust/faust2.nix
+++ b/pkgs/applications/audio/faust/faust2.nix
@@ -2,7 +2,7 @@
 , coreutils
 , fetchFromGitHub
 , makeWrapper
-, pkgconfig
+, pkg-config
 , cmake
 , llvm
 , emscripten
@@ -45,7 +45,7 @@ let
 
     inherit src;
 
-    nativeBuildInputs = [ makeWrapper pkgconfig cmake vim which ];
+    nativeBuildInputs = [ makeWrapper pkg-config cmake vim which ];
     buildInputs = [ llvm emscripten openssl libsndfile libmicrohttpd gnutls libtasn1 p11-kit ];
 
 
@@ -168,7 +168,7 @@ let
 
     stdenv.mkDerivation ((faust2ApplBase args) // {
 
-      nativeBuildInputs = [ pkgconfig ];
+      nativeBuildInputs = [ pkg-config ];
       buildInputs = [ makeWrapper ];
 
       propagatedBuildInputs = [ faust ] ++ propagatedBuildInputs;
diff --git a/pkgs/applications/audio/faust/faust2jackrust.nix b/pkgs/applications/audio/faust/faust2jackrust.nix
index 2562237424e..77335da2ce7 100644
--- a/pkgs/applications/audio/faust/faust2jackrust.nix
+++ b/pkgs/applications/audio/faust/faust2jackrust.nix
@@ -6,7 +6,7 @@
 , gcc
 , gnumake
 , openssl
-, pkgconfig
+, pkg-config
 
 }:
 
@@ -14,5 +14,5 @@ faust.wrapWithBuildEnv {
 
   baseName = "faust2jackrust";
 
-  propagatedBuildInputs = [ libjack2 cargo binutils gcc gnumake openssl pkgconfig ];
+  propagatedBuildInputs = [ libjack2 cargo binutils gcc gnumake openssl pkg-config ];
 }
diff --git a/pkgs/applications/audio/flacon/default.nix b/pkgs/applications/audio/flacon/default.nix
index b9750dd649a..a9dc7308aca 100644
--- a/pkgs/applications/audio/flacon/default.nix
+++ b/pkgs/applications/audio/flacon/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, libuchardet, pkgconfig, shntool, flac
+{ stdenv, lib, fetchFromGitHub, cmake, libuchardet, pkg-config, shntool, flac
 , opusTools, vorbis-tools, mp3gain, lame, wavpack, vorbisgain, gtk3, qtbase
 , qttools, wrapQtAppsHook }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "04yp3aym7h70xjni9ancqv5lc4zds5a8dgw3fzgqs8k5nmh074gv";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
   buildInputs = [ qtbase qttools libuchardet ];
 
   bin_path = lib.makeBinPath [
diff --git a/pkgs/applications/audio/fluidsynth/default.nix b/pkgs/applications/audio/fluidsynth/default.nix
index 8c7a9775945..a1fee315d44 100644
--- a/pkgs/applications/audio/fluidsynth/default.nix
+++ b/pkgs/applications/audio/fluidsynth/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkgconfig, cmake
+{ stdenv, lib, fetchFromGitHub, pkg-config, cmake
 , alsaLib, glib, libjack2, libsndfile, libpulseaudio
 , AudioUnit, CoreAudio, CoreMIDI, CoreServices
 , version ? "2"
@@ -30,7 +30,7 @@ stdenv.mkDerivation  {
     inherit sha256;
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
 
   buildInputs = [ glib libsndfile libpulseaudio libjack2 ]
     ++ lib.optionals stdenv.isLinux [ alsaLib ]
diff --git a/pkgs/applications/audio/fmsynth/default.nix b/pkgs/applications/audio/fmsynth/default.nix
index d8741525da5..57b4bec50ad 100644
--- a/pkgs/applications/audio/fmsynth/default.nix
+++ b/pkgs/applications/audio/fmsynth/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, gtkmm2, lv2, lvtk, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, gtkmm2, lv2, lvtk, pkg-config }:
 stdenv.mkDerivation {
   pname = "fmsynth-unstable";
   version = "2015-02-07";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "1bk0bpr069hzx2508rgfbwpxiqgr7dmdkhqdywmd2i4rmibgrm1q";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtkmm2 lv2 lvtk ];
 
   buildPhase = ''
diff --git a/pkgs/applications/audio/fomp/default.nix b/pkgs/applications/audio/fomp/default.nix
index 006dbaf7980..ece8dc8d1ea 100644
--- a/pkgs/applications/audio/fomp/default.nix
+++ b/pkgs/applications/audio/fomp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, lv2, pkgconfig, python2, wafHook }:
+{ lib, stdenv, fetchurl, lv2, pkg-config, python2, wafHook }:
 
 stdenv.mkDerivation rec {
   pname = "fomp";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "01ld6yjrqrki6zwac8lmwmqkr5rv0sdham4pfbfkjwck4hi1gqqw";
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook ];
+  nativeBuildInputs = [ pkg-config wafHook ];
   buildInputs = [ lv2 python2 ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/foo-yc20/default.nix b/pkgs/applications/audio/foo-yc20/default.nix
index 6f91f1e1977..f7abeb2a91e 100644
--- a/pkgs/applications/audio/foo-yc20/default.nix
+++ b/pkgs/applications/audio/foo-yc20/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub,  libjack2, gtk2, lv2, faust, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub,  libjack2, gtk2, lv2, faust, pkg-config }:
 
 stdenv.mkDerivation {
   version = "git-2015-05-21";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "0i8261n95n4xic766h70xkrpbvw3sag96n1883ahmg6h7yb94avq";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 gtk2 lv2 faust ];
 
   makeFlags = [ "PREFIX=$(out)" ];
diff --git a/pkgs/applications/audio/freewheeling/default.nix b/pkgs/applications/audio/freewheeling/default.nix
index f484a76e75a..7bd063d9f53 100644
--- a/pkgs/applications/audio/freewheeling/default.nix
+++ b/pkgs/applications/audio/freewheeling/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, autoreconfHook, gnutls, freetype
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, gnutls, freetype
 , SDL, SDL_gfx, SDL_ttf, liblo, libxml2, alsaLib, libjack2, libvorbis
 , libSM, libsndfile, libogg, libtool
 }:
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sha256 = "1xff5whr02cixihgd257dc70hnyf22j3zamvhsvg4lp7zq9l2in4";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook libtool ];
+  nativeBuildInputs = [ pkg-config autoreconfHook libtool ];
   buildInputs = [
     freetype SDL SDL_gfx SDL_ttf
     liblo libxml2 libjack2 alsaLib libvorbis libsndfile libogg libSM
diff --git a/pkgs/applications/audio/gigedit/default.nix b/pkgs/applications/audio/gigedit/default.nix
index a97d1d3516f..1187dd1ba26 100644
--- a/pkgs/applications/audio/gigedit/default.nix
+++ b/pkgs/applications/audio/gigedit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoconf, automake, intltool, libtool, pkgconfig, which
+{ lib, stdenv, fetchurl, autoconf, automake, intltool, libtool, pkg-config, which
 , docbook_xml_dtd_45, docbook_xsl, gtkmm2, libgig, libsndfile, libxslt
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   preConfigure = "make -f Makefile.svn";
 
-  nativeBuildInputs = [ autoconf automake intltool libtool pkgconfig which ];
+  nativeBuildInputs = [ autoconf automake intltool libtool pkg-config which ];
 
   buildInputs = [ docbook_xml_dtd_45 docbook_xsl gtkmm2 libgig libsndfile libxslt ];
 
diff --git a/pkgs/applications/audio/gjay/default.nix b/pkgs/applications/audio/gjay/default.nix
index f2ba8ab3bfa..32c61380dca 100644
--- a/pkgs/applications/audio/gjay/default.nix
+++ b/pkgs/applications/audio/gjay/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, mpd_clientlib, dbus-glib, audacious, gtk2, gsl
+{ lib, stdenv, fetchurl, pkg-config, mpd_clientlib, dbus-glib, audacious, gtk2, gsl
 , libaudclient }:
 
 stdenv.mkDerivation {
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "1a1vv4r0vnxjdyl0jyv7gga3zfd5azxlwjm1l6hjrf71lb228zn8";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ mpd_clientlib dbus-glib audacious gtk2 gsl libaudclient ];
 
diff --git a/pkgs/applications/audio/gmpc/default.nix b/pkgs/applications/audio/gmpc/default.nix
index d3d0d5fcd0a..11187015df0 100644
--- a/pkgs/applications/audio/gmpc/default.nix
+++ b/pkgs/applications/audio/gmpc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libtool, intltool, pkgconfig, glib
+{ lib, stdenv, fetchurl, libtool, intltool, pkg-config, glib
 , gtk2, curl, mpd_clientlib, libsoup, gob2, vala, libunique
 , libSM, libICE, sqlite, hicolor-icon-theme, wrapGAppsHook
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     };
     patches = [ ./libmpd-11.8.17-remove-strndup.patch ];
 
-    nativeBuildInputs = [ pkgconfig ];
+    nativeBuildInputs = [ pkg-config ];
     buildInputs = [ glib ];
   };
 
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b3bnxf98i5lhjyljvgxgx9xmb6p46cn3a9cccrng14nagri9556";
   };
 
-  nativeBuildInputs = [ pkgconfig libtool intltool gob2 vala wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config libtool intltool gob2 vala wrapGAppsHook ];
   buildInputs = [
     glib gtk2 curl mpd_clientlib libsoup
     libunique libmpd libSM libICE sqlite hicolor-icon-theme
diff --git a/pkgs/applications/audio/gnome-podcasts/default.nix b/pkgs/applications/audio/gnome-podcasts/default.nix
index 8686150c08a..ed51304b225 100644
--- a/pkgs/applications/audio/gnome-podcasts/default.nix
+++ b/pkgs/applications/audio/gnome-podcasts/default.nix
@@ -8,7 +8,7 @@
 , cargo
 , rustc
 , python3
-, pkgconfig
+, pkg-config
 , glib
 , libhandy_0
 , gtk3
@@ -36,7 +36,7 @@ rustPlatform.buildRustPackage rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     cargo
     rustc
diff --git a/pkgs/applications/audio/gradio/default.nix b/pkgs/applications/audio/gradio/default.nix
index f9fda0fe7bd..1e0fc40b533 100644
--- a/pkgs/applications/audio/gradio/default.nix
+++ b/pkgs/applications/audio/gradio/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , python3
 , gsettings-desktop-schemas
 , desktop-file-utils
@@ -30,7 +30,7 @@ in stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
 
     meson
     ninja
diff --git a/pkgs/applications/audio/grandorgue/default.nix b/pkgs/applications/audio/grandorgue/default.nix
index 80008080ead..2d660bc736c 100644
--- a/pkgs/applications/audio/grandorgue/default.nix
+++ b/pkgs/applications/audio/grandorgue/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchsvn, cmake, pkg-config, gcc, pkgconfig, fftwFloat, alsaLib
+{ lib, stdenv, fetchsvn, cmake, gcc, pkg-config, fftwFloat, alsaLib
 , zlib, wavpack, wxGTK31, udev, jackaudioSupport ? false, libjack2
 , includeDemo ? true }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ cmake pkg-config ];
 
-  buildInputs = [ pkgconfig fftwFloat alsaLib zlib wavpack wxGTK31 udev ]
+  buildInputs = [ pkg-config fftwFloat alsaLib zlib wavpack wxGTK31 udev ]
     ++ lib.optional jackaudioSupport libjack2;
 
   cmakeFlags = lib.optional (!jackaudioSupport) [
diff --git a/pkgs/applications/audio/gtkpod/default.nix b/pkgs/applications/audio/gtkpod/default.nix
index c504f19de39..f39558c1571 100644
--- a/pkgs/applications/audio/gtkpod/default.nix
+++ b/pkgs/applications/audio/gtkpod/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, wrapGAppsHook, intltool, libgpod, curl, flac,
+{ lib, stdenv, fetchurl, pkg-config, wrapGAppsHook, intltool, libgpod, curl, flac,
   gnome3, gtk3, gettext, perlPackages, flex, libid3tag, gdl,
   libvorbis, gdk-pixbuf }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0xisrpx069f7bjkyc8vqxb4k0480jmx1wscqxr6cpq1qj6pchzd5";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook intltool ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook intltool ];
   buildInputs = [
     curl gettext
     flex libgpod libid3tag flac libvorbis gtk3 gdk-pixbuf
diff --git a/pkgs/applications/audio/guitarix/default.nix b/pkgs/applications/audio/guitarix/default.nix
index 3f95ae82528..69e427dd96c 100644
--- a/pkgs/applications/audio/guitarix/default.nix
+++ b/pkgs/applications/audio/guitarix/default.nix
@@ -23,7 +23,7 @@
 , lilv
 , lrdf
 , lv2
-, pkgconfig
+, pkg-config
 , python2
 , sassc
 , serd
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
     gettext
     hicolor-icon-theme
     intltool
-    pkgconfig
+    pkg-config
     python2
     wafHook
     wrapGAppsHook
diff --git a/pkgs/applications/audio/gxmatcheq-lv2/default.nix b/pkgs/applications/audio/gxmatcheq-lv2/default.nix
index 42e5cd726c7..246b034400d 100644
--- a/pkgs/applications/audio/gxmatcheq-lv2/default.nix
+++ b/pkgs/applications/audio/gxmatcheq-lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, xorgproto, cairo, lv2, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, xorgproto, cairo, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "GxMatchEQ.lv2";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0azdmgzqwjn26nx38iw13666a1i4y2bv39wk89pf6ihdi46klf72";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 xorgproto cairo lv2
   ];
diff --git a/pkgs/applications/audio/gxplugins-lv2/default.nix b/pkgs/applications/audio/gxplugins-lv2/default.nix
index 9201ff730d9..d71d40f401c 100644
--- a/pkgs/applications/audio/gxplugins-lv2/default.nix
+++ b/pkgs/applications/audio/gxplugins-lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, xorgproto, cairo, lv2, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, xorgproto, cairo, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "GxPlugins.lv2";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 xorgproto cairo lv2
   ];
diff --git a/pkgs/applications/audio/helio-workstation/default.nix b/pkgs/applications/audio/helio-workstation/default.nix
index 980b312ba6c..e2c19ac156d 100644
--- a/pkgs/applications/audio/helio-workstation/default.nix
+++ b/pkgs/applications/audio/helio-workstation/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub
 , alsaLib, freetype, xorg, curl, libGL, libjack2, gnome3
-, pkgconfig, makeWrapper
+, pkg-config, makeWrapper
 }:
 
 stdenv.mkDerivation rec {
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     xorg.libXcursor xorg.libXcomposite curl libGL libjack2 gnome3.zenity
   ];
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
 
   preBuild = ''
     cd Projects/LinuxMakefile
diff --git a/pkgs/applications/audio/helm/default.nix b/pkgs/applications/audio/helm/default.nix
index 1bf3ba6480b..172f134907c 100644
--- a/pkgs/applications/audio/helm/default.nix
+++ b/pkgs/applications/audio/helm/default.nix
@@ -7,7 +7,7 @@
 , curl
 , libjack2
 , lv2
-, pkgconfig
+, pkg-config
 , libGLU
 , libGL
 }:
@@ -26,7 +26,7 @@
   buildInputs = [
     xorg.libX11 xorg.libXcomposite xorg.libXcursor xorg.libXext
     xorg.libXinerama xorg.libXrender xorg.libXrandr
-    freetype alsaLib curl libjack2 pkgconfig libGLU libGL lv2
+    freetype alsaLib curl libjack2 pkg-config libGLU libGL lv2
   ];
 
   CXXFLAGS = "-DHAVE_LROUND";
diff --git a/pkgs/applications/audio/hybridreverb2/default.nix b/pkgs/applications/audio/hybridreverb2/default.nix
index a8bb81de717..b887615a30f 100644
--- a/pkgs/applications/audio/hybridreverb2/default.nix
+++ b/pkgs/applications/audio/hybridreverb2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchzip, cmake, pkgconfig, lv2, alsaLib, libjack2,
+{ lib, stdenv, fetchFromGitHub, fetchzip, cmake, pkg-config, lv2, alsaLib, libjack2,
   freetype, libX11, gtk3, pcre, libpthreadstubs, libXdmcp, libxkbcommon,
   epoxy, at-spi2-core, dbus, curl, fftwFloat }:
 
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ lv2 alsaLib libjack2 freetype libX11 gtk3 pcre
     libpthreadstubs libXdmcp libxkbcommon epoxy at-spi2-core dbus curl fftwFloat ];
 
diff --git a/pkgs/applications/audio/hydrogen/0.nix b/pkgs/applications/audio/hydrogen/0.nix
index 774b2a93447..1746715b834 100644
--- a/pkgs/applications/audio/hydrogen/0.nix
+++ b/pkgs/applications/audio/hydrogen/0.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, cmake
+{ lib, stdenv, fetchurl, pkg-config, cmake
 , alsaLib, boost, glib, lash, libjack2, libarchive, libsndfile, lrdf, qt4
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1dy2jfkdw0nchars4xi4isrz66fqn53a9qk13bqza7lhmsg3s3qy";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [
     alsaLib boost glib lash libjack2 libarchive libsndfile lrdf qt4
   ];
diff --git a/pkgs/applications/audio/hydrogen/default.nix b/pkgs/applications/audio/hydrogen/default.nix
index 728f0e90a99..e794726e050 100644
--- a/pkgs/applications/audio/hydrogen/default.nix
+++ b/pkgs/applications/audio/hydrogen/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, wrapQtAppsHook
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, wrapQtAppsHook
 , alsaLib, ladspa-sdk, lash, libarchive, libjack2, liblo, libpulseaudio, libsndfile, lrdf
 , qtbase, qttools, qtxmlpatterns
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0snljpvbcgikhz610c325dgvayi0k512p3bglck9vvi90wsqx7l1";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
   buildInputs = [
     alsaLib ladspa-sdk lash libarchive libjack2 liblo libpulseaudio libsndfile lrdf
     qtbase qttools qtxmlpatterns
diff --git a/pkgs/applications/audio/iannix/default.nix b/pkgs/applications/audio/iannix/default.nix
index 57d91a298ca..304f67e85aa 100644
--- a/pkgs/applications/audio/iannix/default.nix
+++ b/pkgs/applications/audio/iannix/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, alsaLib, pkgconfig, qtbase, qtscript, qmake
+{ mkDerivation, lib, fetchFromGitHub, alsaLib, pkg-config, qtbase, qtscript, qmake
 }:
 
 mkDerivation rec {
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "AhoP+Ok78Vk8Aee/RP572hJeM8O7v2ZTvFalOZZqRy8=";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [ alsaLib qtbase qtscript ];
 
   qmakeFlags = [ "PREFIX=/" ];
diff --git a/pkgs/applications/audio/infamousPlugins/default.nix b/pkgs/applications/audio/infamousPlugins/default.nix
index ce3121e2f95..dd96f720e93 100644
--- a/pkgs/applications/audio/infamousPlugins/default.nix
+++ b/pkgs/applications/audio/infamousPlugins/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, cairomm, cmake, lv2, libpthreadstubs, libXdmcp, libXft, ntk, pcre, fftwFloat, zita-resampler }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, cairomm, cmake, lv2, libpthreadstubs, libXdmcp, libXft, ntk, pcre, fftwFloat, zita-resampler }:
 
 stdenv.mkDerivation rec {
   pname = "infamousPlugins";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
       sha256 = "08xwh6px13y1gykaw103nhvjms7vgbgkcm0avh9f5d2d7aadq0l2";
     })
   ];
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ cairomm lv2 libpthreadstubs libXdmcp libXft ntk pcre fftwFloat zita-resampler ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/ingen/default.nix b/pkgs/applications/audio/ingen/default.nix
index 9bb6ddd6a98..55456b2fb6f 100644
--- a/pkgs/applications/audio/ingen/default.nix
+++ b/pkgs/applications/audio/ingen/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchgit, boost, ganv, glibmm, gtkmm2, libjack2, lilv
-, lv2, makeWrapper, pkgconfig, python, raul, rdflib, serd, sord, sratom
+, lv2, makeWrapper, pkg-config, python, raul, rdflib, serd, sord, sratom
 , wafHook
 , suil
 }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation  rec {
     deepClone = true;
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook ];
+  nativeBuildInputs = [ pkg-config wafHook ];
   buildInputs = [
     boost ganv glibmm gtkmm2 libjack2 lilv lv2 makeWrapper
     python raul serd sord sratom suil
diff --git a/pkgs/applications/audio/ir.lv2/default.nix b/pkgs/applications/audio/ir.lv2/default.nix
index bc3049dc6b3..6c2b9c5be9c 100644
--- a/pkgs/applications/audio/ir.lv2/default.nix
+++ b/pkgs/applications/audio/ir.lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fftw, gtk2, lv2, libsamplerate, libsndfile, pkgconfig, zita-convolver }:
+{ lib, stdenv, fetchFromGitHub, fftw, gtk2, lv2, libsamplerate, libsndfile, pkg-config, zita-convolver }:
 
 stdenv.mkDerivation rec {
   pname = "ir.lv2";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ fftw gtk2 lv2 libsamplerate libsndfile zita-convolver ];
 
-  nativeBuildInputs = [  pkgconfig ];
+  nativeBuildInputs = [  pkg-config ];
 
   postPatch = ''
      # Fix build with lv2 1.18: https://github.com/tomszilagyi/ir.lv2/pull/20
diff --git a/pkgs/applications/audio/jack-capture/default.nix b/pkgs/applications/audio/jack-capture/default.nix
index f5134745a9c..44e6dd1cd8a 100644
--- a/pkgs/applications/audio/jack-capture/default.nix
+++ b/pkgs/applications/audio/jack-capture/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libjack2, libsndfile, pkgconfig }:
+{ lib, stdenv, fetchurl, libjack2, libsndfile, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "jack_capture";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1pji0zdwm3kxjrkbzj7fnxhr8ncrc8pyqnwyrh47fhypgqjv1br1";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 libsndfile ];
 
   buildPhase = "PREFIX=$out make jack_capture";
diff --git a/pkgs/applications/audio/jack-oscrolloscope/default.nix b/pkgs/applications/audio/jack-oscrolloscope/default.nix
index c6b971275d4..9905d072361 100644
--- a/pkgs/applications/audio/jack-oscrolloscope/default.nix
+++ b/pkgs/applications/audio/jack-oscrolloscope/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, SDL, libjack2, libGLU, libGL, pkgconfig }:
+{ lib, stdenv, fetchurl, SDL, libjack2, libGLU, libGL, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "jack_oscrolloscope";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1pl55in0sj7h5r06n1v91im7d18pplvhbjhjm1fdl39zwnyxiash";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL libjack2 libGLU libGL ];
 
   installPhase = ''
diff --git a/pkgs/applications/audio/jack-rack/default.nix b/pkgs/applications/audio/jack-rack/default.nix
index a65c8034f89..ec62cb04c85 100644
--- a/pkgs/applications/audio/jack-rack/default.nix
+++ b/pkgs/applications/audio/jack-rack/default.nix
@@ -1,11 +1,11 @@
-{ lib, stdenv, fetchurl, pkgconfig, libjack2, ladspaH, gtk2, alsaLib, libxml2, lrdf }:
+{ lib, stdenv, fetchurl, pkg-config, libjack2, ladspaH, gtk2, alsaLib, libxml2, lrdf }:
 stdenv.mkDerivation rec {
   name = "jack-rack-1.4.7";
   src = fetchurl {
     url = "mirror://sourceforge/jack-rack/${name}.tar.bz2";
     sha256 = "1lmibx9gicagcpcisacj6qhq6i08lkl5x8szysjqvbgpxl9qg045";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 ladspaH gtk2 alsaLib libxml2 lrdf ];
   NIX_LDFLAGS = "-ldl -lm -lpthread";
 
diff --git a/pkgs/applications/audio/jackmeter/default.nix b/pkgs/applications/audio/jackmeter/default.nix
index 499badac6d2..2b4d413526a 100644
--- a/pkgs/applications/audio/jackmeter/default.nix
+++ b/pkgs/applications/audio/jackmeter/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libjack2, pkgconfig }:
+{ lib, stdenv, fetchurl, libjack2, pkg-config }:
 
 stdenv.mkDerivation rec {
   name = "jackmeter-0.4";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1cnvgx3jv0yvxlqy0l9k285zgvazmh5k8m4l7lxckjfm5bn6hm1r";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 ];
 
   meta = {
diff --git a/pkgs/applications/audio/jackmix/default.nix b/pkgs/applications/audio/jackmix/default.nix
index 14cda8a81b5..eecafe9e501 100644
--- a/pkgs/applications/audio/jackmix/default.nix
+++ b/pkgs/applications/audio/jackmix/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, pkgconfig, sconsPackages, qtbase, lash, libjack2, jack ? libjack2, alsaLib }:
+{ mkDerivation, lib, fetchFromGitHub, pkg-config, sconsPackages, qtbase, lash, libjack2, jack ? libjack2, alsaLib }:
 
 mkDerivation rec {
   pname = "jackmix";
@@ -13,7 +13,7 @@ mkDerivation rec {
 
   patches = [ ./no_error.patch ];
 
-  nativeBuildInputs = [ sconsPackages.scons_3_1_2 pkgconfig ];
+  nativeBuildInputs = [ sconsPackages.scons_3_1_2 pkg-config ];
   buildInputs = [
     qtbase
     lash
diff --git a/pkgs/applications/audio/jalv/default.nix b/pkgs/applications/audio/jalv/default.nix
index d3ed57436c9..5d322eeca93 100644
--- a/pkgs/applications/audio/jalv/default.nix
+++ b/pkgs/applications/audio/jalv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk2, libjack2, lilv, lv2, pkgconfig, python
+{ lib, stdenv, fetchurl, gtk2, libjack2, lilv, lv2, pkg-config, python
 , serd, sord , sratom, suil, wafHook }:
 
 stdenv.mkDerivation  rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation  rec {
     sha256 = "1wwfn7yzbs37s2rdlfjgks63svd5g14yyzd2gdl7h0z12qncwsy2";
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook ];
+  nativeBuildInputs = [ pkg-config wafHook ];
   buildInputs = [
     gtk2 libjack2 lilv lv2 python serd sord sratom suil
   ];
diff --git a/pkgs/applications/audio/jamin/default.nix b/pkgs/applications/audio/jamin/default.nix
index 7f6501a473d..f111c4e99d7 100644
--- a/pkgs/applications/audio/jamin/default.nix
+++ b/pkgs/applications/audio/jamin/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, fftwFloat, gtk2, ladspaPlugins, libjack2, liblo, libxml2
-, makeWrapper, pkgconfig, perlPackages
+, makeWrapper, pkg-config, perlPackages
 }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0g5v74cm0q3p3pzl6xmnp4rqayaymfli7c6z8s78h9rgd24fwbvn";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ fftwFloat gtk2 ladspaPlugins libjack2 liblo libxml2 makeWrapper ]
     ++ (with perlPackages; [ perl XMLParser ]);
 
diff --git a/pkgs/applications/audio/klick/default.nix b/pkgs/applications/audio/klick/default.nix
index 05ac14eec09..281a7148dfe 100644
--- a/pkgs/applications/audio/klick/default.nix
+++ b/pkgs/applications/audio/klick/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, sconsPackages, pkgconfig
+{ lib, stdenv, fetchurl, sconsPackages, pkg-config
 , libsamplerate, libsndfile, liblo, libjack2, boost }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1289533c0849b1b66463bf27f7ce5f71736b655cfb7672ef884c7e6eb957ac42";
   };
 
-  nativeBuildInputs = [ sconsPackages.scons_3_0_1 pkgconfig ];
+  nativeBuildInputs = [ sconsPackages.scons_3_0_1 pkg-config ];
   buildInputs = [ libsamplerate libsndfile liblo libjack2 boost ];
   prefixKey = "PREFIX=";
   NIX_CFLAGS_COMPILE = "-fpermissive";
diff --git a/pkgs/applications/audio/klystrack/default.nix b/pkgs/applications/audio/klystrack/default.nix
index ea8cfcec2e4..5d26397efdb 100644
--- a/pkgs/applications/audio/klystrack/default.nix
+++ b/pkgs/applications/audio/klystrack/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
 , SDL2, SDL2_image
-, pkgconfig
+, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     SDL2 SDL2_image
   ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   patches = [
     (fetchpatch {
diff --git a/pkgs/applications/audio/kmetronome/default.nix b/pkgs/applications/audio/kmetronome/default.nix
index 415bfe37026..ca8df45e459 100644
--- a/pkgs/applications/audio/kmetronome/default.nix
+++ b/pkgs/applications/audio/kmetronome/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cmake, pkgconfig, qttools, alsaLib, drumstick, qtbase, qtsvg }:
+{ lib, stdenv, fetchurl, cmake, pkg-config, qttools, alsaLib, drumstick, qtbase, qtsvg }:
 
 stdenv.mkDerivation rec {
   pname = "kmetronome";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0bzm6vzlm32kjrgn1nvp096b2d41ybys2sk145nhy992wg56v32s";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig qttools ];
+  nativeBuildInputs = [ cmake pkg-config qttools ];
 
   buildInputs = [ alsaLib drumstick qtbase qtsvg ];
 
diff --git a/pkgs/applications/audio/ladspa-plugins/default.nix b/pkgs/applications/audio/ladspa-plugins/default.nix
index 855056c6c15..fe8e9f323a5 100644
--- a/pkgs/applications/audio/ladspa-plugins/default.nix
+++ b/pkgs/applications/audio/ladspa-plugins/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, automake, fftw, ladspaH, libxml2, pkgconfig
+{ lib, stdenv, fetchurl, autoreconfHook, automake, fftw, ladspaH, libxml2, pkg-config
 , perlPackages }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1rqwh8xrw6hnp69dg4gy336bfbfpmbx4fjrk0nb8ypjcxkz91c6i";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ fftw ladspaH libxml2 perlPackages.perl  perlPackages.XMLParser ];
 
   patchPhase = ''
diff --git a/pkgs/applications/audio/lash/default.nix b/pkgs/applications/audio/lash/default.nix
index 26a8568f01a..eb355a43409 100644
--- a/pkgs/applications/audio/lash/default.nix
+++ b/pkgs/applications/audio/lash/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, alsaLib, gtk2, libjack2, libuuid, libxml2
-, makeWrapper, pkgconfig, readline }:
+, makeWrapper, pkg-config, readline }:
 
 assert libuuid != null;
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation  rec {
   patches = [ ./socket.patch ./gcc-47.patch ];
 
   buildInputs = [ alsaLib gtk2 libjack2 libxml2 makeWrapper
-    pkgconfig readline ];
+    pkg-config readline ];
   propagatedBuildInputs = [ libuuid ];
   NIX_LDFLAGS = "-lm -lpthread -luuid";
 
diff --git a/pkgs/applications/audio/librespot/default.nix b/pkgs/applications/audio/librespot/default.nix
index e8e6accefdb..7ba47be686e 100644
--- a/pkgs/applications/audio/librespot/default.nix
+++ b/pkgs/applications/audio/librespot/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, pkgconfig, openssl, withRodio ? true
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config, openssl, withRodio ? true
 , withALSA ? true, alsaLib ? null, withPulseAudio ? false, libpulseaudio ? null
 , withPortAudio ? false, portaudio ? null }:
 
@@ -29,7 +29,7 @@ rustPlatform.buildRustPackage rec {
     ]))
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ openssl ] ++ lib.optional withALSA alsaLib
     ++ lib.optional withPulseAudio libpulseaudio
diff --git a/pkgs/applications/audio/linuxband/default.nix b/pkgs/applications/audio/linuxband/default.nix
index 92933d21d13..057d45c85e9 100644
--- a/pkgs/applications/audio/linuxband/default.nix
+++ b/pkgs/applications/audio/linuxband/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkgconfig, MMA, libjack2, libsmf, python2Packages }:
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, MMA, libjack2, libsmf, python2Packages }:
 
 let
   inherit (python2Packages) pyGtkGlade pygtksourceview python;
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1r71h4yg775m4gax4irrvygmrsclgn503ykmc2qwjsxa42ri4n2n";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ makeWrapper MMA libjack2 libsmf python pyGtkGlade pygtksourceview ];
 
   patchPhase = ''
diff --git a/pkgs/applications/audio/linuxsampler/default.nix b/pkgs/applications/audio/linuxsampler/default.nix
index 5eda9e92123..1daeb2cf379 100644
--- a/pkgs/applications/audio/linuxsampler/default.nix
+++ b/pkgs/applications/audio/linuxsampler/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoconf, automake, bison, libtool, pkgconfig, which
+{ lib, stdenv, fetchurl, autoconf, automake, bison, libtool, pkg-config, which
 , alsaLib, asio, libjack2, libgig, libsndfile, lv2 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     make -f Makefile.svn
   '';
 
-  nativeBuildInputs = [ autoconf automake bison libtool pkgconfig which ];
+  nativeBuildInputs = [ autoconf automake bison libtool pkg-config which ];
 
   buildInputs = [ alsaLib asio libjack2 libgig libsndfile lv2 ];
 
diff --git a/pkgs/applications/audio/lmms/default.nix b/pkgs/applications/audio/lmms/default.nix
index ef95bf59494..4d52a286aba 100644
--- a/pkgs/applications/audio/lmms/default.nix
+++ b/pkgs/applications/audio/lmms/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, alsaLib ? null, fftwFloat, fltk13
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, alsaLib ? null, fftwFloat, fltk13
 , fluidsynth_1 ? null, lame ? null, libgig ? null, libjack2 ? null, libpulseaudio ? null
 , libsamplerate, libsoundio ? null, libsndfile, libvorbis ? null, portaudio ? null
 , qtbase, qtx11extras, qttools, SDL ? null, mkDerivation }:
@@ -15,7 +15,7 @@ mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ cmake qttools pkgconfig ];
+  nativeBuildInputs = [ cmake qttools pkg-config ];
 
   buildInputs = [
     alsaLib
diff --git a/pkgs/applications/audio/lollypop/default.nix b/pkgs/applications/audio/lollypop/default.nix
index 14ab2aaf2d0..c85645565ee 100644
--- a/pkgs/applications/audio/lollypop/default.nix
+++ b/pkgs/applications/audio/lollypop/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , gtk3
 , gst_all_1
@@ -43,7 +43,7 @@ python3.pkgs.buildPythonApplication rec  {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/audio/lsp-plugins/default.nix b/pkgs/applications/audio/lsp-plugins/default.nix
index f4cb5e80890..6dc57cae0d6 100644
--- a/pkgs/applications/audio/lsp-plugins/default.nix
+++ b/pkgs/applications/audio/lsp-plugins/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, makeWrapper
+{ lib, stdenv, fetchFromGitHub, pkg-config, makeWrapper
 , libsndfile, jack2Full
 , libGLU, libGL, lv2, cairo
 , ladspaH, php }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "1apw8zh3a3il4smkjji6bih4vbsymj0hjs10fgkrd4nazqkjvgyd";
   };
 
-  nativeBuildInputs = [ pkgconfig php makeWrapper ];
+  nativeBuildInputs = [ pkg-config php makeWrapper ];
   buildInputs = [ jack2Full libsndfile libGLU libGL lv2 cairo ladspaH ];
 
   makeFlags = [
diff --git a/pkgs/applications/audio/ltc-tools/default.nix b/pkgs/applications/audio/ltc-tools/default.nix
index 31986762fc1..c8c87959727 100644
--- a/pkgs/applications/audio/ltc-tools/default.nix
+++ b/pkgs/applications/audio/ltc-tools/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchFromGitHub, pkgconfig, libltc, libsndfile, jack2}:
+{lib, stdenv, fetchFromGitHub, pkg-config, libltc, libsndfile, jack2}:
 
 stdenv.mkDerivation rec {
   pname = "ltc-tools";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0vp25b970r1hv5ndzs4di63rgwnl31jfaj3jz5dka276kx34q4al";
   };
 
-  buildInputs = [ pkgconfig libltc libsndfile jack2 ];
+  buildInputs = [ pkg-config libltc libsndfile jack2 ];
 
   makeFlags = [ "PREFIX=$(out)" ];
 
diff --git a/pkgs/applications/audio/luppp/default.nix b/pkgs/applications/audio/luppp/default.nix
index ac7ff3a3084..36d329bcafd 100644
--- a/pkgs/applications/audio/luppp/default.nix
+++ b/pkgs/applications/audio/luppp/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , jack2
 , cairo
 , liblo
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/audio/lv2-cpp-tools/default.nix b/pkgs/applications/audio/lv2-cpp-tools/default.nix
index b6e878d4836..f1709d00558 100644
--- a/pkgs/applications/audio/lv2-cpp-tools/default.nix
+++ b/pkgs/applications/audio/lv2-cpp-tools/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchzip, pkgconfig, lv2, gtkmm2, boost }:
+{ lib, stdenv, fetchzip, pkg-config, lv2, gtkmm2, boost }:
 
 stdenv.mkDerivation rec {
   pname = "lv2-cpp-tools";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sed -r 's,/sbin/ldconfig,ldconfig,g' -i ./Makefile.template
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ lv2 gtkmm2 boost ];
 
diff --git a/pkgs/applications/audio/lv2bm/default.nix b/pkgs/applications/audio/lv2bm/default.nix
index 8f997a28193..553e0e67f83 100644
--- a/pkgs/applications/audio/lv2bm/default.nix
+++ b/pkgs/applications/audio/lv2bm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, glib, libsndfile, lilv, lv2, pkgconfig, serd, sord, sratom }:
+{ lib, stdenv, fetchFromGitHub, glib, libsndfile, lilv, lv2, pkg-config, serd, sord, sratom }:
 
 stdenv.mkDerivation rec {
   pname = "lv2bm";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0vlppxfb9zbmffazs1kiyb79py66s8x9hihj36m2vz86zsq7ybl0";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib libsndfile lilv lv2 serd sord sratom ];
 
   installPhase = ''
diff --git a/pkgs/applications/audio/mda-lv2/default.nix b/pkgs/applications/audio/mda-lv2/default.nix
index b53ea7a7963..30d654ab87a 100644
--- a/pkgs/applications/audio/mda-lv2/default.nix
+++ b/pkgs/applications/audio/mda-lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fftwSinglePrec, lv2, pkgconfig, wafHook, python3 }:
+{ lib, stdenv, fetchurl, fftwSinglePrec, lv2, pkg-config, wafHook, python3 }:
 
 stdenv.mkDerivation rec {
   pname = "mda-lv2";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1a3cv6w5xby9yn11j695rbh3c4ih7rxfxmkca9s1324ljphh06m8";
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook python3 ];
+  nativeBuildInputs = [ pkg-config wafHook python3 ];
   buildInputs = [ fftwSinglePrec lv2 ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/mellowplayer/default.nix b/pkgs/applications/audio/mellowplayer/default.nix
index 37c38496773..cddf1afd654 100644
--- a/pkgs/applications/audio/mellowplayer/default.nix
+++ b/pkgs/applications/audio/mellowplayer/default.nix
@@ -3,7 +3,7 @@
 , lib
 , libnotify
 , mkDerivation
-, pkgconfig
+, pkg-config
 , qtbase
 , qtdeclarative
 , qtgraphicaleffects
@@ -23,7 +23,7 @@ mkDerivation rec {
     sha256 = "1p0z8hkbxaxrqjmknjwxb0mpf3xdssik3m5cwrsv1881k1x2x5qs";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     libnotify
diff --git a/pkgs/applications/audio/meterbridge/default.nix b/pkgs/applications/audio/meterbridge/default.nix
index fbf23fbbd58..a825eaa4e38 100644
--- a/pkgs/applications/audio/meterbridge/default.nix
+++ b/pkgs/applications/audio/meterbridge/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, SDL, SDL_image, libjack2
+{ lib, stdenv, fetchurl, pkg-config, SDL, SDL_image, libjack2
 }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   patches = [ ./buf_rect.patch ./fix_build_with_gcc-5.patch];
 
   buildInputs =
-    [ pkgconfig SDL SDL_image libjack2
+    [ pkg-config SDL SDL_image libjack2
     ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/meters_lv2/default.nix b/pkgs/applications/audio/meters_lv2/default.nix
index 86a608db4c8..b21b859596e 100644
--- a/pkgs/applications/audio/meters_lv2/default.nix
+++ b/pkgs/applications/audio/meters_lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , lv2, libGLU, libGL, gtk2, cairo, pango, fftwFloat, libjack2 }:
 
 let
@@ -25,7 +25,7 @@ in
 stdenv.mkDerivation {
   inherit name;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ lv2 libGLU libGL gtk2 cairo pango fftwFloat libjack2 ];
 
   srcs = [ src robtkSrc ];
diff --git a/pkgs/applications/audio/mhwaveedit/default.nix b/pkgs/applications/audio/mhwaveedit/default.nix
index c87a050ed33..82f9b70c618 100644
--- a/pkgs/applications/audio/mhwaveedit/default.nix
+++ b/pkgs/applications/audio/mhwaveedit/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, makeWrapper, SDL, alsaLib, autoreconfHook, gtk2, libjack2, ladspaH
-, ladspaPlugins, libsamplerate, libsndfile, pkgconfig, libpulseaudio, lame
+, ladspaPlugins, libsamplerate, libsndfile, pkg-config, libpulseaudio, lame
 , vorbis-tools }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "037pbq23kh8hsih994x2sv483imglwcrqrx6m8visq9c46fi0j1y";
   };
 
-  nativeBuildInputs = [ autoreconfHook makeWrapper pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook makeWrapper pkg-config ];
 
   preAutoreconf = "(cd docgen && sh gendocs.sh)";
 
diff --git a/pkgs/applications/audio/milkytracker/default.nix b/pkgs/applications/audio/milkytracker/default.nix
index b061b48abc8..b43694eb9c0 100644
--- a/pkgs/applications/audio/milkytracker/default.nix
+++ b/pkgs/applications/audio/milkytracker/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, makeWrapper
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, makeWrapper
 , SDL2, alsaLib, libjack2, lhasa, perl, rtmidi, zlib, zziplib }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "025fj34gq2kmkpwcswcyx7wdxb89vm944dh685zi4bxx0hz16vvk";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
 
   buildInputs = [ SDL2 alsaLib libjack2 lhasa perl rtmidi zlib zziplib ];
 
diff --git a/pkgs/applications/audio/mimic/default.nix b/pkgs/applications/audio/mimic/default.nix
index 52079e1f441..57af7a469a0 100644
--- a/pkgs/applications/audio/mimic/default.nix
+++ b/pkgs/applications/audio/mimic/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, autoreconfHook, fetchFromGitHub, pkgconfig
+{ config, lib, stdenv, autoreconfHook, fetchFromGitHub, pkg-config
 , alsaLib, libtool, icu
 , pulseaudioSupport ? config.pulseaudio or false, libpulseaudio }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/audio/mixxx/default.nix b/pkgs/applications/audio/mixxx/default.nix
index ef0db55f090..70e6616482f 100644
--- a/pkgs/applications/audio/mixxx/default.nix
+++ b/pkgs/applications/audio/mixxx/default.nix
@@ -2,7 +2,7 @@
 , fftw, flac, faad2, glibcLocales, mp4v2
 , libid3tag, libmad, libopus, libshout, libsndfile, libusb1, libvorbis
 , libGLU, libxcb, lilv, lv2, opusfile
-, pkgconfig, portaudio, portmidi, protobuf, qtbase, qtscript, qtsvg
+, pkg-config, portaudio, portmidi, protobuf, qtbase, qtscript, qtsvg
 , qtx11extras, rubberband, sconsPackages, sqlite, taglib, upower, vamp-plugin-sdk
 }:
 
@@ -31,7 +31,7 @@ mkDerivation rec {
   nativeBuildInputs = [ sconsPackages.scons_3_1_2 ];
   buildInputs = [
     chromaprint fftw flac faad2 glibcLocales mp4v2 libid3tag libmad libopus libshout241 libsndfile
-    libusb1 libvorbis libxcb libGLU lilv lv2 opusfile pkgconfig portaudio portmidi protobuf qtbase qtscript qtsvg
+    libusb1 libvorbis libxcb libGLU lilv lv2 opusfile pkg-config portaudio portmidi protobuf qtbase qtscript qtsvg
     qtx11extras rubberband sqlite taglib upower vamp-plugin-sdk
   ];
 
diff --git a/pkgs/applications/audio/moc/default.nix b/pkgs/applications/audio/moc/default.nix
index b2621a4ef11..51d197fb0e0 100644
--- a/pkgs/applications/audio/moc/default.nix
+++ b/pkgs/applications/audio/moc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , ncurses, db , popt, libtool
 # Sound sub-systems
 , alsaSupport ? true, alsaLib
@@ -42,7 +42,7 @@ in stdenv.mkDerivation rec {
     ++ opt withffmpeg4 ./moc-ffmpeg4.patch
     ++ opt pulseSupport ./pulseaudio.patch;
 
-  nativeBuildInputs = [ pkgconfig ]
+  nativeBuildInputs = [ pkg-config ]
     ++ opt pulseSupport autoreconfHook;
 
   buildInputs = [ ncurses db popt libtool ]
diff --git a/pkgs/applications/audio/mp3info/default.nix b/pkgs/applications/audio/mp3info/default.nix
index 28ea6793f0d..d67b4da5eb2 100644
--- a/pkgs/applications/audio/mp3info/default.nix
+++ b/pkgs/applications/audio/mp3info/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, ncurses, pkgconfig, gtk2 }:
+{ fetchurl, lib, stdenv, ncurses, pkg-config, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "mp3info-0.8.5a";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "042f1czcs9n2sbqvg4rsvfwlqib2gk976mfa2kxlfjghx5laqf04";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses gtk2 ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/audio/mp3splt/default.nix b/pkgs/applications/audio/mp3splt/default.nix
index 2ff147fa919..1407c153aed 100644
--- a/pkgs/applications/audio/mp3splt/default.nix
+++ b/pkgs/applications/audio/mp3splt/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libmp3splt }:
+{ lib, stdenv, fetchurl, pkg-config, libmp3splt }:
 
 stdenv.mkDerivation rec {
   pname = "mp3splt";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   configureFlags = [ "--enable-oggsplt-symlink" "--enable-flacsplt-symlink" ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libmp3splt ];
 
   outputs = [ "out" "man" ];
diff --git a/pkgs/applications/audio/mpc/default.nix b/pkgs/applications/audio/mpc/default.nix
index fcf438e5f0e..c1b88e47e87 100644
--- a/pkgs/applications/audio/mpc/default.nix
+++ b/pkgs/applications/audio/mpc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, mpd_clientlib, sphinx, libiconv }:
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, mpd_clientlib, sphinx, libiconv }:
 
 stdenv.mkDerivation rec {
   pname = "mpc";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ mpd_clientlib ] ++ lib.optionals stdenv.isDarwin [ libiconv ];
 
-  nativeBuildInputs = [ meson ninja pkgconfig sphinx ];
+  nativeBuildInputs = [ meson ninja pkg-config sphinx ];
 
   meta = with lib; {
     description = "A minimalist command line interface to MPD";
diff --git a/pkgs/applications/audio/muse/default.nix b/pkgs/applications/audio/muse/default.nix
index a583e45be2c..22d66b18ddd 100644
--- a/pkgs/applications/audio/muse/default.nix
+++ b/pkgs/applications/audio/muse/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, qttools, wrapQtAppsHook
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, qttools, wrapQtAppsHook
 , alsaLib, dssi, fluidsynth, ladspaH, lash, libinstpatch, libjack2, liblo
 , libsamplerate, libsndfile, lilv, lrdf, lv2, qtsvg, rtaudio, rubberband, sord
 }:
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./fix-parallel-building.patch ];
 
-  nativeBuildInputs = [ cmake pkgconfig qttools wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config qttools wrapQtAppsHook ];
 
   buildInputs = [
     alsaLib dssi fluidsynth ladspaH lash libinstpatch libjack2 liblo
diff --git a/pkgs/applications/audio/musescore/default.nix b/pkgs/applications/audio/musescore/default.nix
index fa05e45b668..e150888ac6d 100644
--- a/pkgs/applications/audio/musescore/default.nix
+++ b/pkgs/applications/audio/musescore/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, mkDerivation, lib, fetchFromGitHub, cmake, pkgconfig
+{ stdenv, mkDerivation, lib, fetchFromGitHub, cmake, pkg-config
 , alsaLib, freetype, libjack2, lame, libogg, libpulseaudio, libsndfile, libvorbis
 , portaudio, portmidi, qtbase, qtdeclarative, qtgraphicaleffects
 , qtquickcontrols2, qtscript, qtsvg, qttools
@@ -31,7 +31,7 @@ mkDerivation rec {
     "--set QML_DISABLE_DISK_CACHE 1"
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     alsaLib libjack2 freetype lame libogg libpulseaudio libsndfile libvorbis
diff --git a/pkgs/applications/audio/ncmpc/default.nix b/pkgs/applications/audio/ncmpc/default.nix
index 4f0449401dd..59b17d9c811 100644
--- a/pkgs/applications/audio/ncmpc/default.nix
+++ b/pkgs/applications/audio/ncmpc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, glib, ncurses
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, glib, ncurses
 , mpd_clientlib, gettext, boost
 , pcreSupport ? false
 , pcre ? null
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib ncurses mpd_clientlib boost ]
     ++ optional pcreSupport pcre;
-  nativeBuildInputs = [ meson ninja pkgconfig gettext ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext ];
 
   mesonFlags = [
     "-Dlirc=disabled"
diff --git a/pkgs/applications/audio/ncmpcpp/default.nix b/pkgs/applications/audio/ncmpcpp/default.nix
index 7f645ac7986..64ca6823b91 100644
--- a/pkgs/applications/audio/ncmpcpp/default.nix
+++ b/pkgs/applications/audio/ncmpcpp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, boost, mpd_clientlib, ncurses, pkgconfig, readline
+{ lib, stdenv, fetchurl, boost, mpd_clientlib, ncurses, pkg-config, readline
 , libiconv, icu, curl
 , outputsSupport ? true # outputs screen
 , visualizerSupport ? false, fftw ? null # visualizer screen
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     ++ optional clockSupport "--enable-clock"
     ++ optional taglibSupport "--with-taglib";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ boost mpd_clientlib ncurses readline libiconv icu curl ]
     ++ optional visualizerSupport fftw
diff --git a/pkgs/applications/audio/ninjas2/default.nix b/pkgs/applications/audio/ninjas2/default.nix
index 5af483ecfe3..8fa5bed3066 100644
--- a/pkgs/applications/audio/ninjas2/default.nix
+++ b/pkgs/applications/audio/ninjas2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libjack2, libGL, pkgconfig, xorg, mesa, libsndfile, libsamplerate }:
+{ lib, stdenv, fetchFromGitHub, libjack2, libGL, pkg-config, xorg, mesa, libsndfile, libsamplerate }:
 
 stdenv.mkDerivation rec {
   pname = "ninjas2";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     patchShebangs dpf/utils/generate-ttl.sh
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libjack2 xorg.libX11 libGL mesa libsndfile libsamplerate
   ];
diff --git a/pkgs/applications/audio/noise-repellent/default.nix b/pkgs/applications/audio/noise-repellent/default.nix
index 88281cd0989..7aaa8ddd843 100644
--- a/pkgs/applications/audio/noise-repellent/default.nix
+++ b/pkgs/applications/audio/noise-repellent/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, fftwFloat, lv2 }:
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, fftwFloat, lv2 }:
 
 stdenv.mkDerivation rec {
   pname = "noise-repellent";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   mesonFlags = ("--prefix=${placeholder "out"}/lib/lv2");
 
-  nativeBuildInputs = [ meson ninja pkgconfig ];
+  nativeBuildInputs = [ meson ninja pkg-config ];
   buildInputs = [
     fftwFloat lv2
   ];
diff --git a/pkgs/applications/audio/non/default.nix b/pkgs/applications/audio/non/default.nix
index fbdfb78cab0..9dd377a601b 100644
--- a/pkgs/applications/audio/non/default.nix
+++ b/pkgs/applications/audio/non/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, python2, cairo, libjpeg, ntk, libjack2
+{ lib, stdenv, fetchFromGitHub, pkg-config, python2, cairo, libjpeg, ntk, libjack2
 , libsndfile, ladspaH, liblo, libsigcxx, lrdf, wafHook
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
     sha256 = "1cljkkyi9dxqpqhx8y6l2ja4zjmlya26m26kqxml8gx08vyvddhx";
   };
 
-  nativeBuildInputs = [ pkgconfig wafHook ];
+  nativeBuildInputs = [ pkg-config wafHook ];
   buildInputs = [ python2 cairo libjpeg ntk libjack2 libsndfile
     ladspaH liblo libsigcxx lrdf
   ];
diff --git a/pkgs/applications/audio/nova-filters/default.nix b/pkgs/applications/audio/nova-filters/default.nix
index ed5ec361714..cae9353d2de 100644
--- a/pkgs/applications/audio/nova-filters/default.nix
+++ b/pkgs/applications/audio/nova-filters/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, sconsPackages, boost, ladspaH, pkgconfig }:
+{lib, stdenv, fetchurl, sconsPackages, boost, ladspaH, pkg-config }:
 
 stdenv.mkDerivation {
   version = "0.2-2";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "16064vvl2w5lz4xi3lyjk4xx7fphwsxc14ajykvndiz170q32s6i";
   };
 
-  nativeBuildInputs = [ pkgconfig sconsPackages.scons_3_0_1 ];
+  nativeBuildInputs = [ pkg-config sconsPackages.scons_3_0_1 ];
   buildInputs = [ boost ladspaH ];
 
   patchPhase = ''
diff --git a/pkgs/applications/audio/openmpt123/default.nix b/pkgs/applications/audio/openmpt123/default.nix
index ff7a40d5993..5a610284c21 100644
--- a/pkgs/applications/audio/openmpt123/default.nix
+++ b/pkgs/applications/audio/openmpt123/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchurl, zlib, pkgconfig, mpg123, libogg, libvorbis, portaudio, libsndfile, flac
+{ config, lib, stdenv, fetchurl, zlib, pkg-config, mpg123, libogg, libvorbis, portaudio, libsndfile, flac
 , usePulseAudio ? config.pulseaudio or false, libpulseaudio }:
 
 let
@@ -15,7 +15,7 @@ in stdenv.mkDerivation {
   enableParallelBuilding = true;
   doCheck = true;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ zlib mpg123 libogg libvorbis portaudio libsndfile flac ]
   ++ lib.optional usePulseAudio libpulseaudio;
 
diff --git a/pkgs/applications/audio/opus-tools/default.nix b/pkgs/applications/audio/opus-tools/default.nix
index f16e8e7a02d..8ca75eecde1 100644
--- a/pkgs/applications/audio/opus-tools/default.nix
+++ b/pkgs/applications/audio/opus-tools/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, libogg, libao, pkgconfig, flac, opusfile, libopusenc}:
+{lib, stdenv, fetchurl, libogg, libao, pkg-config, flac, opusfile, libopusenc}:
 
 stdenv.mkDerivation rec {
   name = "opus-tools-0.2";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "11pzl27s4vcz4m18ch72nivbhww2zmzn56wspb7rll1y1nq6rrdl";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libogg libao flac opusfile libopusenc ];
 
   meta = {
diff --git a/pkgs/applications/audio/opusfile/default.nix b/pkgs/applications/audio/opusfile/default.nix
index 34813c05e5b..e4f7e6ca6b4 100644
--- a/pkgs/applications/audio/opusfile/default.nix
+++ b/pkgs/applications/audio/opusfile/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, openssl, libogg, libopus }:
+{ lib, stdenv, fetchurl, pkg-config, openssl, libogg, libopus }:
 
 stdenv.mkDerivation rec {
   name = "opusfile-0.12";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "02smwc5ah8nb3a67mnkjzqmrzk43j356hgj2a97s9midq40qd38i";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openssl libogg ];
   propagatedBuildInputs = [ libopus ];
   patches = [ ./include-multistream.patch ];
diff --git a/pkgs/applications/audio/padthv1/default.nix b/pkgs/applications/audio/padthv1/default.nix
index 4db337917ed..1d84aed8b2e 100644
--- a/pkgs/applications/audio/padthv1/default.nix
+++ b/pkgs/applications/audio/padthv1/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libjack2, alsaLib, libsndfile, liblo, lv2, qt5, fftwFloat, mkDerivation }:
+{ lib, stdenv, fetchurl, pkg-config, libjack2, alsaLib, libsndfile, liblo, lv2, qt5, fftwFloat, mkDerivation }:
 
 mkDerivation rec {
   pname = "padthv1";
@@ -11,7 +11,7 @@ mkDerivation rec {
 
   buildInputs = [ libjack2 alsaLib libsndfile liblo lv2 qt5.qtbase qt5.qttools fftwFloat ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "polyphonic additive synthesizer";
diff --git a/pkgs/applications/audio/pamix/default.nix b/pkgs/applications/audio/pamix/default.nix
index deb8bec28c2..fb076797fb5 100644
--- a/pkgs/applications/audio/pamix/default.nix
+++ b/pkgs/applications/audio/pamix/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, pkgconfig, cmake
+, pkg-config, cmake
 , libpulseaudio, ncurses }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     substituteInPlace CMakeLists.txt --replace "/etc" "$out/etc/xdg"
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ libpulseaudio ncurses ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/paprefs/default.nix b/pkgs/applications/audio/paprefs/default.nix
index f2ac17f1556..64e403001a3 100644
--- a/pkgs/applications/audio/paprefs/default.nix
+++ b/pkgs/applications/audio/paprefs/default.nix
@@ -3,7 +3,7 @@
 , meson
 , ninja
 , gettext
-, pkgconfig
+, pkg-config
 , pulseaudioFull
 , glibmm
 , gtkmm3
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     gettext
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/audio/parlatype/default.nix b/pkgs/applications/audio/parlatype/default.nix
index 7ca0d347fea..acffe9464fa 100644
--- a/pkgs/applications/audio/parlatype/default.nix
+++ b/pkgs/applications/audio/parlatype/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, meson, gtk3, at-spi2-core, dbus, gst_all_1, sphinxbase, pocketsphinx, ninja, gettext, appstream-glib, python3, glib, gobject-introspection, gsettings-desktop-schemas, itstool, wrapGAppsHook, hicolor-icon-theme }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, meson, gtk3, at-spi2-core, dbus, gst_all_1, sphinxbase, pocketsphinx, ninja, gettext, appstream-glib, python3, glib, gobject-introspection, gsettings-desktop-schemas, itstool, wrapGAppsHook, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "parlatype";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     meson
     ninja
     gettext
diff --git a/pkgs/applications/audio/patchage/default.nix b/pkgs/applications/audio/patchage/default.nix
index 5f622877552..573b2262e73 100644
--- a/pkgs/applications/audio/patchage/default.nix
+++ b/pkgs/applications/audio/patchage/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, alsaLib, boost, dbus-glib, fetchsvn, ganv, glibmm
-, gtkmm2, libjack2, pkgconfig, python2, wafHook
+, gtkmm2, libjack2, pkg-config, python2, wafHook
 }:
 
 stdenv.mkDerivation {
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   buildInputs = [
     alsaLib boost dbus-glib ganv glibmm gtkmm2 libjack2
-    pkgconfig python2 wafHook
+    pkg-config python2 wafHook
   ];
 
   meta = {
diff --git a/pkgs/applications/audio/paulstretch/default.nix b/pkgs/applications/audio/paulstretch/default.nix
index f56ad4f5930..1d701004622 100644
--- a/pkgs/applications/audio/paulstretch/default.nix
+++ b/pkgs/applications/audio/paulstretch/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
 , audiofile, libvorbis, fltk, fftw, fftwFloat
-, minixml, pkgconfig, libmad, libjack2, portaudio, libsamplerate
+, minixml, pkg-config, libmad, libjack2, portaudio, libsamplerate
 }:
 
 stdenv.mkDerivation {
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
     sha256 = "06dy03dbz1yznhsn0xvsnkpc5drzwrgxbxdx0hfpsjn2xcg0jrnc";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [
     audiofile
diff --git a/pkgs/applications/audio/pavucontrol/default.nix b/pkgs/applications/audio/pavucontrol/default.nix
index 198fa1033ab..31d9292675e 100644
--- a/pkgs/applications/audio/pavucontrol/default.nix
+++ b/pkgs/applications/audio/pavucontrol/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, fetchpatch, lib, stdenv, pkgconfig, intltool, libpulseaudio,
+{ fetchurl, fetchpatch, lib, stdenv, pkg-config, intltool, libpulseaudio,
 gtkmm3 , libcanberra-gtk3, gnome3, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ libpulseaudio gtkmm3 libcanberra-gtk3
                   gnome3.adwaita-icon-theme ];
 
-  nativeBuildInputs = [ pkgconfig intltool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool wrapGAppsHook ];
 
   configureFlags = [ "--disable-lynx" ];
 
diff --git a/pkgs/applications/audio/pianobar/default.nix b/pkgs/applications/audio/pianobar/default.nix
index e9f54aeb58b..0abc933d628 100644
--- a/pkgs/applications/audio/pianobar/default.nix
+++ b/pkgs/applications/audio/pianobar/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, pkgconfig, libao, json_c, libgcrypt, ffmpeg_3, curl }:
+{ fetchurl, lib, stdenv, pkg-config, libao, json_c, libgcrypt, ffmpeg_3, curl }:
 
 stdenv.mkDerivation rec {
   name = "pianobar-2020.11.28";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1znlwybfpxsjqr1jmr8j0ci8wzmpzmk2yxb0qcx9w9a8nnbgnfv5";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libao json_c libgcrypt ffmpeg_3 curl
   ];
diff --git a/pkgs/applications/audio/pithos/default.nix b/pkgs/applications/audio/pithos/default.nix
index 550cfc909d9..c64371f091c 100644
--- a/pkgs/applications/audio/pithos/default.nix
+++ b/pkgs/applications/audio/pithos/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, appstream-glib
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, appstream-glib
 , wrapGAppsHook, pythonPackages, gtk3, gnome3, gobject-introspection
 , libnotify, libsecret, gst_all_1 }:
 
@@ -20,7 +20,7 @@ pythonPackages.buildPythonApplication rec {
     patchShebangs meson_post_install.py
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig appstream-glib wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja pkg-config appstream-glib wrapGAppsHook ];
 
   propagatedBuildInputs =
     [ gtk3 gobject-introspection libnotify libsecret gnome3.adwaita-icon-theme ] ++
diff --git a/pkgs/applications/audio/plugin-torture/default.nix b/pkgs/applications/audio/plugin-torture/default.nix
index b906e033601..e209d98ec71 100644
--- a/pkgs/applications/audio/plugin-torture/default.nix
+++ b/pkgs/applications/audio/plugin-torture/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, boost, ladspaH, lilv, lv2, pkgconfig, serd, sord, sratom }:
+{ lib, stdenv, fetchFromGitHub, boost, ladspaH, lilv, lv2, pkg-config, serd, sord, sratom }:
 
 stdenv.mkDerivation {
   pname = "plugin-torture";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "1xyhvhm85d9z0kw716cjllrrzksn4s4bw34layg8hf4m5m31sp2p";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ boost ladspaH lilv lv2 serd sord sratom ];
 
   installPhase = ''
diff --git a/pkgs/applications/audio/polyphone/default.nix b/pkgs/applications/audio/polyphone/default.nix
index f54e8e8e9f0..05800c360fa 100644
--- a/pkgs/applications/audio/polyphone/default.nix
+++ b/pkgs/applications/audio/polyphone/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkgconfig, alsaLib, libjack2, portaudio, libogg, flac, libvorbis, rtmidi, qtsvg }:
+{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkg-config, alsaLib, libjack2, portaudio, libogg, flac, libvorbis, rtmidi, qtsvg }:
 
 mkDerivation rec {
   version = "2.2.0";
@@ -22,7 +22,7 @@ mkDerivation rec {
     qtsvg
   ];
 
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
 
   preConfigure = ''
     cd ./sources/
diff --git a/pkgs/applications/audio/ponymix/default.nix b/pkgs/applications/audio/ponymix/default.nix
index fb28b10448d..70e7217dff7 100644
--- a/pkgs/applications/audio/ponymix/default.nix
+++ b/pkgs/applications/audio/ponymix/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libpulseaudio, libnotify, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, libpulseaudio, libnotify, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "ponymix";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ libpulseaudio libnotify ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   postPatch = ''substituteInPlace Makefile --replace "\$(DESTDIR)/usr" "$out"'';
 
diff --git a/pkgs/applications/audio/praat/default.nix b/pkgs/applications/audio/praat/default.nix
index b87e48768f1..1d3fd534dd2 100644
--- a/pkgs/applications/audio/praat/default.nix
+++ b/pkgs/applications/audio/praat/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, alsaLib, gtk2, pkgconfig }:
+{ lib, stdenv, fetchurl, alsaLib, gtk2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "praat";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     cp praat $out/bin
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ alsaLib gtk2 ];
 
   meta = {
diff --git a/pkgs/applications/audio/projectm/default.nix b/pkgs/applications/audio/projectm/default.nix
index 845435be60e..8f4cfb499f2 100644
--- a/pkgs/applications/audio/projectm/default.nix
+++ b/pkgs/applications/audio/projectm/default.nix
@@ -3,7 +3,7 @@
 , lib
 , fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , SDL2
 , qtdeclarative
 , libpulseaudio
@@ -23,7 +23,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     autoreconfHook
     which
   ];
diff --git a/pkgs/applications/audio/pulseaudio-modules-bt/default.nix b/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
index c7dc2cc3b1d..331bce3e8be 100644
--- a/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
+++ b/pkgs/applications/audio/pulseaudio-modules-bt/default.nix
@@ -2,7 +2,7 @@
 , runCommand
 , fetchFromGitHub
 , pulseaudio
-, pkgconfig
+, pkg-config
 , ffmpeg
 , patchelf
 , fdk_aac
@@ -42,7 +42,7 @@ in stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     patchelf
     cmake
   ];
diff --git a/pkgs/applications/audio/pulseeffects/default.nix b/pkgs/applications/audio/pulseeffects/default.nix
index a2c69818137..fca498bd897 100644
--- a/pkgs/applications/audio/pulseeffects/default.nix
+++ b/pkgs/applications/audio/pulseeffects/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , itstool
 , python3
 , libxml2
@@ -57,7 +57,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     libxml2
     itstool
     python3
diff --git a/pkgs/applications/audio/qmidinet/default.nix b/pkgs/applications/audio/qmidinet/default.nix
index 9b9b84850dc..d7b4b834321 100644
--- a/pkgs/applications/audio/qmidinet/default.nix
+++ b/pkgs/applications/audio/qmidinet/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchurl, pkgconfig, qtbase, qttools, alsaLib, libjack2 }:
+{ mkDerivation, lib, fetchurl, pkg-config, qtbase, qttools, alsaLib, libjack2 }:
 
 mkDerivation rec {
   version = "0.6.3";
@@ -13,7 +13,7 @@ mkDerivation rec {
 
   buildInputs = [  qtbase qttools alsaLib libjack2 ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "A MIDI network gateway application that sends and receives MIDI data (ALSA Sequencer and/or JACK MIDI) over the network";
diff --git a/pkgs/applications/audio/qmidiroute/default.nix b/pkgs/applications/audio/qmidiroute/default.nix
index 30062955bb5..e24824985fa 100644
--- a/pkgs/applications/audio/qmidiroute/default.nix
+++ b/pkgs/applications/audio/qmidiroute/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, qt4, alsaLib }:
+{ lib, stdenv, fetchurl, pkg-config, qt4, alsaLib }:
 
 stdenv.mkDerivation rec {
   version = "0.4.0";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0vmjwarsxr5540rafhmdcc62yarf0w2l05bjjl9s28zzr5m39z3n";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ qt4 alsaLib ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/qmmp/default.nix b/pkgs/applications/audio/qmmp/default.nix
index f5015325d85..950e16cedc8 100644
--- a/pkgs/applications/audio/qmmp/default.nix
+++ b/pkgs/applications/audio/qmmp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchurl, cmake, pkgconfig, xlibsWrapper
+{ lib, stdenv, mkDerivation, fetchurl, cmake, pkg-config, xlibsWrapper
 , qtbase, qttools, qtmultimedia, qtx11extras
 # transports
 , curl, libmms
@@ -36,7 +36,7 @@ mkDerivation rec {
     sha256 = "1kvzw0n90crg3dgy8834qrjv0zb3ia5cny7virax9ax73y653jfa";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs =
     [ # basic requirements
       qtbase qttools qtmultimedia qtx11extras xlibsWrapper
diff --git a/pkgs/applications/audio/qsampler/default.nix b/pkgs/applications/audio/qsampler/default.nix
index 0418957dee0..03f519d3816 100644
--- a/pkgs/applications/audio/qsampler/default.nix
+++ b/pkgs/applications/audio/qsampler/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, qttools
+{ lib, stdenv, fetchurl, autoconf, automake, libtool, pkg-config, qttools
 , liblscp, libgig, qtbase, mkDerivation }:
 
 mkDerivation rec {
@@ -10,7 +10,7 @@ mkDerivation rec {
     sha256 = "1wr7k739zx2nz00b810f60g9k3y92w05nfci987hw7y2sks9rd8j";
   };
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig qttools ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config qttools ];
   buildInputs = [ liblscp libgig qtbase ];
 
   preConfigure = "make -f Makefile.svn";
diff --git a/pkgs/applications/audio/qsynth/default.nix b/pkgs/applications/audio/qsynth/default.nix
index 1ea7852dc10..4b712bf1d25 100644
--- a/pkgs/applications/audio/qsynth/default.nix
+++ b/pkgs/applications/audio/qsynth/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, alsaLib, fluidsynth, libjack2, autoconf, pkgconfig
+{ lib, stdenv, fetchurl, alsaLib, fluidsynth, libjack2, autoconf, pkg-config
 , mkDerivation, qtbase, qttools, qtx11extras
 }:
 
@@ -11,7 +11,7 @@ mkDerivation  rec {
     sha256 = "0xiqmpzpxjvh32vivfj6h33w0ahmyfjzjb41b6fnf92bbg9k6mqv";
   };
 
-  nativeBuildInputs = [ autoconf pkgconfig ];
+  nativeBuildInputs = [ autoconf pkg-config ];
 
   buildInputs = [ alsaLib fluidsynth libjack2 qtbase qttools qtx11extras ];
 
diff --git a/pkgs/applications/audio/qtscrobbler/default.nix b/pkgs/applications/audio/qtscrobbler/default.nix
index 5b84989a7c4..f013c338e76 100644
--- a/pkgs/applications/audio/qtscrobbler/default.nix
+++ b/pkgs/applications/audio/qtscrobbler/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, withMtp ? true, libmtp, pkgconfig, which, qt4, qmake4Hook }:
+{ stdenv, lib, fetchurl, withMtp ? true, libmtp, pkg-config, which, qt4, qmake4Hook }:
 
 stdenv.mkDerivation rec {
   pname = "qtscrobbler";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "01c8e48f616ed09504833d27d92fd62f455bd645ea2d1cc2a5f4c287d641daba";
   };
 
-  nativeBuildInputs = [ qmake4Hook ] ++ lib.optionals withMtp [ pkgconfig which ];
+  nativeBuildInputs = [ qmake4Hook ] ++ lib.optionals withMtp [ pkg-config which ];
   buildInputs = [ qt4 ] ++ lib.optional withMtp libmtp;
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/audio/radiotray-ng/default.nix b/pkgs/applications/audio/radiotray-ng/default.nix
index 746092977db..5730bcdcaab 100644
--- a/pkgs/applications/audio/radiotray-ng/default.nix
+++ b/pkgs/applications/audio/radiotray-ng/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, cmake, pkgconfig
+, cmake, pkg-config
 # Transport
 , curl
 # Libraries
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     sha256 = "1v2nsz7s0jj0wmqabzk6akcf1353rachm1lfq77hxbq9z5pw8pgb";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config wrapGAppsHook makeWrapper ];
 
   buildInputs = [
     curl
diff --git a/pkgs/applications/audio/rhvoice/default.nix b/pkgs/applications/audio/rhvoice/default.nix
index a29fcf383b8..af35ad829dd 100644
--- a/pkgs/applications/audio/rhvoice/default.nix
+++ b/pkgs/applications/audio/rhvoice/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, pkgconfig, fetchFromGitHub, sconsPackages
+{ stdenv, lib, pkg-config, fetchFromGitHub, sconsPackages
 , python, glibmm, libpulseaudio, libao }:
 
 let
@@ -15,7 +15,7 @@ in stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [
-    sconsPackages.scons_3_1_2 pkgconfig
+    sconsPackages.scons_3_1_2 pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/audio/rhythmbox/default.nix b/pkgs/applications/audio/rhythmbox/default.nix
index ae45ca62eb9..173741484fd 100644
--- a/pkgs/applications/audio/rhythmbox/default.nix
+++ b/pkgs/applications/audio/rhythmbox/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , python3
 , perl
 , perlPackages
@@ -27,7 +27,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool perl perlPackages.XMLParser
     itstool
     wrapGAppsHook
diff --git a/pkgs/applications/audio/rosegarden/default.nix b/pkgs/applications/audio/rosegarden/default.nix
index 31fce746077..5c7493ef7db 100644
--- a/pkgs/applications/audio/rosegarden/default.nix
+++ b/pkgs/applications/audio/rosegarden/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cmake, makedepend, perl, pkgconfig, qttools, wrapQtAppsHook
+{ lib, stdenv, fetchurl, cmake, makedepend, perl, pkg-config, qttools, wrapQtAppsHook
 , dssi, fftwSinglePrec, ladspaH, ladspaPlugins, libjack2, alsaLib
 , liblo, libsamplerate, libsndfile, lirc ? null, lrdf, qtbase }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation (rec {
   '';
 
   nativeBuildInputs =
-    [ cmake makedepend perl pkgconfig qttools wrapQtAppsHook ];
+    [ cmake makedepend perl pkg-config qttools wrapQtAppsHook ];
 
   buildInputs = [
     dssi
diff --git a/pkgs/applications/audio/samplv1/default.nix b/pkgs/applications/audio/samplv1/default.nix
index 17b3f1c3745..4b06a99d473 100644
--- a/pkgs/applications/audio/samplv1/default.nix
+++ b/pkgs/applications/audio/samplv1/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchurl, pkgconfig, libjack2
+{ mkDerivation, lib, fetchurl, pkg-config, libjack2
 , alsaLib, liblo, libsndfile, lv2, qtbase, qttools
 , rubberband
 }:
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "ePhM9OTLJp1Wa2D9Y1Dqq/69WlEhEp3ih9yNUIJU5Y4=";
   };
 
-  nativeBuildInputs = [ qttools pkgconfig ];
+  nativeBuildInputs = [ qttools pkg-config ];
 
   buildInputs = [ libjack2 alsaLib liblo libsndfile lv2 qtbase rubberband ];
 
diff --git a/pkgs/applications/audio/seq24/default.nix b/pkgs/applications/audio/seq24/default.nix
index aa3abd3f0f3..84eebfac695 100644
--- a/pkgs/applications/audio/seq24/default.nix
+++ b/pkgs/applications/audio/seq24/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, alsaLib, gtkmm2, libjack2, pkgconfig }:
+{ lib, stdenv, fetchurl, alsaLib, gtkmm2, libjack2, pkg-config }:
 
 stdenv.mkDerivation  rec {
   pname = "seq24";
@@ -12,7 +12,7 @@ stdenv.mkDerivation  rec {
   patches = [ ./mutex_no_nameclash.patch ];
 
   buildInputs = [ alsaLib gtkmm2 libjack2 ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "Minimal loop based midi sequencer";
diff --git a/pkgs/applications/audio/setbfree/default.nix b/pkgs/applications/audio/setbfree/default.nix
index 0f3b2fcfa95..613abbf3c12 100644
--- a/pkgs/applications/audio/setbfree/default.nix
+++ b/pkgs/applications/audio/setbfree/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchzip, alsaLib, freetype, ftgl, libjack2, libX11, lv2
-, libGLU, libGL, pkgconfig, ttf_bitstream_vera
+, libGLU, libGL, pkg-config, ttf_bitstream_vera
 }:
 
 stdenv.mkDerivation  rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation  rec {
       -i b_synth/Makefile
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     alsaLib freetype ftgl libjack2 libX11 lv2 libGLU libGL
     ttf_bitstream_vera
diff --git a/pkgs/applications/audio/sfizz/default.nix b/pkgs/applications/audio/sfizz/default.nix
index 4ba30935089..85bc9e3542c 100644
--- a/pkgs/applications/audio/sfizz/default.nix
+++ b/pkgs/applications/audio/sfizz/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub , cmake, libjack2, libsndfile, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub , cmake, libjack2, libsndfile, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "sfizz";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [ libjack2 libsndfile ];
 
diff --git a/pkgs/applications/audio/sfxr/default.nix b/pkgs/applications/audio/sfxr/default.nix
index 9e5195b2caa..aed27ecdba5 100644
--- a/pkgs/applications/audio/sfxr/default.nix
+++ b/pkgs/applications/audio/sfxr/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , desktop-file-utils
 , SDL
 , gtk3
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     desktop-file-utils
   ];
 
diff --git a/pkgs/applications/audio/sidplayfp/default.nix b/pkgs/applications/audio/sidplayfp/default.nix
index 2ebf56fee52..cebf0d83e16 100644
--- a/pkgs/applications/audio/sidplayfp/default.nix
+++ b/pkgs/applications/audio/sidplayfp/default.nix
@@ -1,7 +1,7 @@
 { stdenv
 , lib
 , fetchurl
-, pkgconfig
+, pkg-config
 , libsidplayfp
 , alsaSupport ? stdenv.hostPlatform.isLinux
 , alsaLib
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "1s2dfs9z1hwarpfzawg11wax9nh0zcqx4cafwq7iysckyg4scz4k";
   };
 
-  nativeBuildInputs = [ pkgconfig ]
+  nativeBuildInputs = [ pkg-config ]
     ++ optional alsaSupport alsaLib
     ++ optional pulseSupport libpulseaudio;
 
diff --git a/pkgs/applications/audio/sisco.lv2/default.nix b/pkgs/applications/audio/sisco.lv2/default.nix
index 311edbbae89..3ecd4665f26 100644
--- a/pkgs/applications/audio/sisco.lv2/default.nix
+++ b/pkgs/applications/audio/sisco.lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, lv2, pkgconfig, libGLU, libGL, cairo, pango, libjack2 }:
+{ lib, stdenv, fetchFromGitHub, lv2, pkg-config, libGLU, libGL, cairo, pango, libjack2 }:
 
 let
   name = "sisco.lv2-${version}";
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   srcs = [ src robtkSrc ];
   sourceRoot = src.name;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ lv2 pango cairo libjack2 libGLU libGL ];
 
   postUnpack = "chmod u+w -R ${robtkName}-src; mv ${robtkName}-src/* ${sourceRoot}/robtk";
diff --git a/pkgs/applications/audio/snapcast/default.nix b/pkgs/applications/audio/snapcast/default.nix
index 5eff8f82e89..84695730db6 100644
--- a/pkgs/applications/audio/snapcast/default.nix
+++ b/pkgs/applications/audio/snapcast/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, pkgconfig
+{ stdenv, lib, fetchFromGitHub, cmake, pkg-config
 , alsaLib, asio, avahi, boost170, flac, libogg, libvorbis, soxr
 , nixosTests }:
 
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
     sha256 = "152ic8hlyawcmj9pykb33xc6yx7il6yb9ilmsy6m9nlh40m8yxls";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig boost170.dev ];
+  nativeBuildInputs = [ cmake pkg-config boost170.dev ];
   # snapcast also supports building against tremor but as we have libogg, that's
   # not needed
   buildInputs = [
diff --git a/pkgs/applications/audio/snd/default.nix b/pkgs/applications/audio/snd/default.nix
index bbabaffa7f3..61d1647087e 100644
--- a/pkgs/applications/audio/snd/default.nix
+++ b/pkgs/applications/audio/snd/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , gtk2, alsaLib
 , fftw, gsl
 }:
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "016slh34gb6qqb38m8k9yg48rbhc5p12084szcwvanhh5v7fc7mk";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [
     gtk2 alsaLib
diff --git a/pkgs/applications/audio/sonic-lineup/default.nix b/pkgs/applications/audio/sonic-lineup/default.nix
index 87803e68485..b88165f693a 100644
--- a/pkgs/applications/audio/sonic-lineup/default.nix
+++ b/pkgs/applications/audio/sonic-lineup/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, alsaLib, boost, bzip2, fftw, fftwFloat, libfishsound
 , libid3tag, liblo, libmad, liboggz, libpulseaudio, libsamplerate
 , libsndfile, lrdf, opusfile, portaudio, rubberband, serd, sord, capnproto
-, wrapQtAppsHook, pkgconfig
+, wrapQtAppsHook, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       portaudio rubberband serd sord capnproto
     ];
 
-  nativeBuildInputs = [ pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapQtAppsHook ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/audio/sonic-pi/default.nix b/pkgs/applications/audio/sonic-pi/default.nix
index d80632a08f5..349f4636a79 100644
--- a/pkgs/applications/audio/sonic-pi/default.nix
+++ b/pkgs/applications/audio/sonic-pi/default.nix
@@ -6,7 +6,7 @@
 , ruby
 , aubio
 , cmake
-, pkgconfig
+, pkg-config
 , boost
 , bash
 , jack2Full
@@ -35,7 +35,7 @@ mkDerivation rec {
   buildInputs = [
     bash
     cmake
-    pkgconfig
+    pkg-config
     qtbase
     qwt
     ruby
diff --git a/pkgs/applications/audio/sooperlooper/default.nix b/pkgs/applications/audio/sooperlooper/default.nix
index e9ec7b33f74..135c042d538 100644
--- a/pkgs/applications/audio/sooperlooper/default.nix
+++ b/pkgs/applications/audio/sooperlooper/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , which
 , libtool
 , liblo
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     ./autogen.sh
   '';
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig which libtool ];
+  nativeBuildInputs = [ autoreconfHook pkg-config which libtool ];
 
   buildInputs = [
     liblo
diff --git a/pkgs/applications/audio/sound-juicer/default.nix b/pkgs/applications/audio/sound-juicer/default.nix
index 08cbef146f1..740757a639e 100644
--- a/pkgs/applications/audio/sound-juicer/default.nix
+++ b/pkgs/applications/audio/sound-juicer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, glib, gtk3, intltool, itstool, libxml2, brasero
+{ lib, stdenv, fetchurl, pkg-config, glib, gtk3, intltool, itstool, libxml2, brasero
 , libcanberra-gtk3, gnome3, gst_all_1, libmusicbrainz5, libdiscid, isocodes
 , gsettings-desktop-schemas, wrapGAppsHook }:
 
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
     sha256 = "19qg4xv0f9rkq34lragkmhii1llxsa87llbl28i759b0ks4f6sny";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool itstool libxml2 wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool itstool libxml2 wrapGAppsHook ];
   buildInputs = [
     glib gtk3 brasero libcanberra-gtk3 gnome3.adwaita-icon-theme
     gsettings-desktop-schemas libmusicbrainz5 libdiscid isocodes
diff --git a/pkgs/applications/audio/soundkonverter/default.nix b/pkgs/applications/audio/soundkonverter/default.nix
index e8704ff6191..1c1724fbce8 100644
--- a/pkgs/applications/audio/soundkonverter/default.nix
+++ b/pkgs/applications/audio/soundkonverter/default.nix
@@ -1,7 +1,7 @@
 # currently needs to be installed into an environment and needs a `kbuildsycoca5` run afterwards for plugin discovery
 {
   mkDerivation, fetchFromGitHub, fetchpatch, lib, makeWrapper,
-  cmake, extra-cmake-modules, pkgconfig,
+  cmake, extra-cmake-modules, pkg-config,
   libkcddb, kconfig, kconfigwidgets, ki18n, kdelibs4support, kio, solid, kwidgetsaddons, kxmlgui,
   qtbase, phonon,
   taglib,
@@ -63,7 +63,7 @@ mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ cmake extra-cmake-modules pkgconfig kdelibs4support makeWrapper ];
+  nativeBuildInputs = [ cmake extra-cmake-modules pkg-config kdelibs4support makeWrapper ];
   propagatedBuildInputs = [ libkcddb kconfig kconfigwidgets ki18n kdelibs4support kio solid kwidgetsaddons kxmlgui qtbase phonon];
   buildInputs = [ taglib ] ++ runtimeDeps;
   # encoder plugins go to ${out}/lib so they're found by kbuildsycoca5
diff --git a/pkgs/applications/audio/soundscape-renderer/default.nix b/pkgs/applications/audio/soundscape-renderer/default.nix
index f849e2fe7be..fa9860ab248 100644
--- a/pkgs/applications/audio/soundscape-renderer/default.nix
+++ b/pkgs/applications/audio/soundscape-renderer/default.nix
@@ -2,7 +2,7 @@
 , fetchgit
 , autoreconfHook
 , help2man
-, pkgconfig
+, pkg-config
 , libsndfile
 , fftwFloat
 , libjack2
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
 
   LC_ALL = "en_US.UTF-8";
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ boost boost.dev ecasound libGLU libGL help2man libsndfile fftwFloat libjack2 libxml2 qt4 glibcLocales ];
 
   # 1) Fix detecting version. https://github.com/SoundScapeRenderer/ssr/pull/53
diff --git a/pkgs/applications/audio/spectmorph/default.nix b/pkgs/applications/audio/spectmorph/default.nix
index 055ed99dbeb..a368d62ce7d 100644
--- a/pkgs/applications/audio/spectmorph/default.nix
+++ b/pkgs/applications/audio/spectmorph/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libjack2, lv2, glib, qt5, libao, cairo, libsndfile, fftwFloat }:
+{ lib, stdenv, fetchurl, pkg-config, libjack2, lv2, glib, qt5, libao, cairo, libsndfile, fftwFloat }:
 
 stdenv.mkDerivation rec {
   pname = "spectmorph";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [  libjack2 lv2 glib qt5.qtbase libao cairo libsndfile fftwFloat ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "Allows to analyze samples of musical instruments, and to combine them (morphing) to construct hybrid sounds";
diff --git a/pkgs/applications/audio/spectrojack/default.nix b/pkgs/applications/audio/spectrojack/default.nix
index c5e3211a646..12bb972398e 100644
--- a/pkgs/applications/audio/spectrojack/default.nix
+++ b/pkgs/applications/audio/spectrojack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libjack2, fftwFloat, gtk2 }:
+{ lib, stdenv, fetchurl, pkg-config, libjack2, fftwFloat, gtk2 }:
 
 stdenv.mkDerivation rec {
   pname = "spectrojack";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     url = "http://sed.free.fr/spectrojack/${pname}-${version}.tar.gz";
     sha256 = "1kiwx0kag7kq7rhg0bvckfm8r7pqmbk76ppa39cq2980jb5v8rfp";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 fftwFloat gtk2 ];
   configurePhase= ''
     sed -i 's/.*home.*/#&/' ./Makefile
diff --git a/pkgs/applications/audio/speech-denoiser/default.nix b/pkgs/applications/audio/speech-denoiser/default.nix
index 34b372f964e..c6536c4d20f 100644
--- a/pkgs/applications/audio/speech-denoiser/default.nix
+++ b/pkgs/applications/audio/speech-denoiser/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, lv2, meson, ninja }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, lv2, meson, ninja }:
 
 let
   speech-denoiser-src = fetchFromGitHub {
@@ -24,7 +24,7 @@ stdenv.mkDerivation  {
 
   src = speech-denoiser-src;
 
-  nativeBuildInputs = [ pkgconfig meson ninja ];
+  nativeBuildInputs = [ pkg-config meson ninja ];
   buildInputs = [ lv2 rnnoise-nu ];
 
   mesonFlags = ("--prefix=${placeholder "out"}/lib/lv2");
diff --git a/pkgs/applications/audio/spek/default.nix b/pkgs/applications/audio/spek/default.nix
index d4b83605c32..1a73b8adea7 100644
--- a/pkgs/applications/audio/spek/default.nix
+++ b/pkgs/applications/audio/spek/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, intltool, pkgconfig, ffmpeg, wxGTK30-gtk3, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, intltool, pkg-config, ffmpeg, wxGTK30-gtk3, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "spek";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   # needed for autoreconfHook
   AUTOPOINT="intltoolize --automake --copy";
 
-  nativeBuildInputs = [ autoreconfHook intltool pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ autoreconfHook intltool pkg-config wrapGAppsHook ];
 
   buildInputs = [ ffmpeg wxGTK30-gtk3 wxGTK30-gtk3.gtk ];
 
diff --git a/pkgs/applications/audio/spotify-tui/default.nix b/pkgs/applications/audio/spotify-tui/default.nix
index 6f43dc3f03e..78972effc4d 100644
--- a/pkgs/applications/audio/spotify-tui/default.nix
+++ b/pkgs/applications/audio/spotify-tui/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, installShellFiles, pkgconfig, openssl, python3, libxcb, AppKit, Security }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, installShellFiles, pkg-config, openssl, python3, libxcb, AppKit, Security }:
 
 rustPlatform.buildRustPackage rec {
   pname = "spotify-tui";
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "100c7x603qyhav3p24clwfal4ngh0258x9lqsi84kcj4wq2f3i8f";
 
-  nativeBuildInputs = [ installShellFiles ] ++ lib.optionals stdenv.isLinux [ pkgconfig python3 ];
+  nativeBuildInputs = [ installShellFiles ] ++ lib.optionals stdenv.isLinux [ pkg-config python3 ];
   buildInputs = [ ]
     ++ lib.optionals stdenv.isLinux [ openssl libxcb ]
     ++ lib.optionals stdenv.isDarwin [ AppKit Security ];
diff --git a/pkgs/applications/audio/spotifyd/default.nix b/pkgs/applications/audio/spotifyd/default.nix
index 84cb64d8cc9..776c9576bb4 100644
--- a/pkgs/applications/audio/spotifyd/default.nix
+++ b/pkgs/applications/audio/spotifyd/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, rustPackages, pkgconfig, openssl
+{ lib, fetchFromGitHub, rustPackages, pkg-config, openssl
 , withALSA ? true, alsaLib ? null
 , withPulseAudio ? false, libpulseaudio ? null
 , withPortAudio ? false, portaudio ? null
@@ -26,7 +26,7 @@ rustPackages.rustPlatform.buildRustPackage rec {
     "${lib.optionalString withALSA "alsa_backend,"}${lib.optionalString withPulseAudio "pulseaudio_backend,"}${lib.optionalString withPortAudio "portaudio_backend,"}${lib.optionalString withMpris "dbus_mpris,"}${lib.optionalString withKeyring "dbus_keyring,"}"
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ openssl ]
     ++ lib.optional withALSA alsaLib
diff --git a/pkgs/applications/audio/squishyball/default.nix b/pkgs/applications/audio/squishyball/default.nix
index 06ff5f3909d..b44efc1534f 100644
--- a/pkgs/applications/audio/squishyball/default.nix
+++ b/pkgs/applications/audio/squishyball/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, autoreconfHook, fetchsvn, flac, libao, libvorbis, ncurses
-, opusfile, pkgconfig
+, opusfile, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "013vq52q9z6kpg9iyc2jnb3m2gihcjblvwpg4yj4wy1q2c05pzqp";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   buildInputs = [ flac libao libvorbis ncurses opusfile ];
 
diff --git a/pkgs/applications/audio/stone-phaser/default.nix b/pkgs/applications/audio/stone-phaser/default.nix
index 7fb4a5410fb..7d12c6cbf34 100644
--- a/pkgs/applications/audio/stone-phaser/default.nix
+++ b/pkgs/applications/audio/stone-phaser/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, libjack2, mesa, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, xorg, cairo, lv2, libjack2, mesa, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "stone-phaser";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xorg.libX11 cairo lv2 libjack2 mesa
   ];
diff --git a/pkgs/applications/audio/strawberry/default.nix b/pkgs/applications/audio/strawberry/default.nix
index 53a4cc96437..eb7aac16c64 100644
--- a/pkgs/applications/audio/strawberry/default.nix
+++ b/pkgs/applications/audio/strawberry/default.nix
@@ -3,7 +3,7 @@
 , lib
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , alsaLib
 , boost
 , chromaprint
@@ -77,7 +77,7 @@ mkDerivation rec {
   ])
   ++ lib.optional withVlc libvlc;
 
-  nativeBuildInputs = [ cmake ninja pkgconfig qttools ];
+  nativeBuildInputs = [ cmake ninja pkg-config qttools ];
 
   cmakeFlags = [
     "-DUSE_SYSTEM_TAGLIB=ON"
diff --git a/pkgs/applications/audio/streamripper/default.nix b/pkgs/applications/audio/streamripper/default.nix
index 7d21e816667..6fae14e2b1a 100644
--- a/pkgs/applications/audio/streamripper/default.nix
+++ b/pkgs/applications/audio/streamripper/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl , glib, pkgconfig, libogg, libvorbis, libmad }:
+{ lib, stdenv, fetchurl , glib, pkg-config, libogg, libvorbis, libmad }:
 
 stdenv.mkDerivation rec {
   pname = "streamripper";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0hnyv3206r0rfprn3k7k6a0j959kagsfyrmyjm3gsf3vkhp5zmy1";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib libogg libvorbis libmad ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/swh-lv2/default.nix b/pkgs/applications/audio/swh-lv2/default.nix
index ccec7b9171f..f2b71c1ce29 100644
--- a/pkgs/applications/audio/swh-lv2/default.nix
+++ b/pkgs/applications/audio/swh-lv2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fftwSinglePrec, libxslt, lv2, pkgconfig }:
+{ lib, stdenv, fetchurl, fftwSinglePrec, libxslt, lv2, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "swh-lv2";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sed -e "s#PREFIX = /usr/local#PREFIX = $out#" -i Makefile
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ fftwSinglePrec lv2 ];
 
   installPhase = "make install-system";
diff --git a/pkgs/applications/audio/synthv1/default.nix b/pkgs/applications/audio/synthv1/default.nix
index f10b20bfc3c..8097ee90930 100644
--- a/pkgs/applications/audio/synthv1/default.nix
+++ b/pkgs/applications/audio/synthv1/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchurl, pkgconfig, qtbase, qttools, libjack2, alsaLib, liblo, lv2 }:
+{ mkDerivation, lib, stdenv, fetchurl, pkg-config, qtbase, qttools, libjack2, alsaLib, liblo, lv2 }:
 
 mkDerivation rec {
   pname = "synthv1";
@@ -11,7 +11,7 @@ mkDerivation rec {
 
   buildInputs = [ qtbase qttools libjack2 alsaLib liblo lv2 ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "An old-school 4-oscillator subtractive polyphonic synthesizer with stereo fx";
diff --git a/pkgs/applications/audio/talentedhack/default.nix b/pkgs/applications/audio/talentedhack/default.nix
index 0dd9a03739d..387fd4f5a0c 100644
--- a/pkgs/applications/audio/talentedhack/default.nix
+++ b/pkgs/applications/audio/talentedhack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, lv2, fftwFloat, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, lv2, fftwFloat, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "talentedhack";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0kwvayalysmk7y49jq0k16al252md8d45z58hphzsksmyz6148bx";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ lv2 fftwFloat ];
 
diff --git a/pkgs/applications/audio/timemachine/default.nix b/pkgs/applications/audio/timemachine/default.nix
index 399c39acf08..623714e706f 100644
--- a/pkgs/applications/audio/timemachine/default.nix
+++ b/pkgs/applications/audio/timemachine/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoconf, automake, pkgconfig, gtk2
+{ lib, stdenv, fetchFromGitHub, autoconf, automake, pkg-config, gtk2
 , libjack2, libsndfile
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "16fgyw6jnscx9279dczv72092dddghwlp53rkfw469kcgvjhwx0z";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
     buildInputs = [ autoconf automake gtk2 libjack2
       libsndfile
     ];
diff --git a/pkgs/applications/audio/tony/default.nix b/pkgs/applications/audio/tony/default.nix
index 8d3ba620f9d..d8265c3161b 100644
--- a/pkgs/applications/audio/tony/default.nix
+++ b/pkgs/applications/audio/tony/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, wrapQtAppsHook
+{ lib, stdenv, fetchurl, pkg-config, wrapQtAppsHook
 , alsaLib, boost, bzip2, fftw, fftwFloat, libX11, libfishsound, libid3tag
 , libjack2, liblo, libmad, libogg, liboggz, libpulseaudio, libsamplerate
 , libsndfile, lrdf, opusfile, qtbase, qtsvg, rubberband, serd, sord
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "03g2bmlj08lmgvh54dyd635xccjn730g4wwlhpvsw04bffz8b7fp";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapQtAppsHook ];
 
   buildInputs = [
     alsaLib boost bzip2 fftw fftwFloat libX11 libfishsound libid3tag
diff --git a/pkgs/applications/audio/transcode/default.nix b/pkgs/applications/audio/transcode/default.nix
index cc3c8c7a0f0..ff10ff13e19 100644
--- a/pkgs/applications/audio/transcode/default.nix
+++ b/pkgs/applications/audio/transcode/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, flac, lame, zlib, libjpeg, libvorbis, libtheora, libxml2
-, lzo, libdvdread, pkgconfig, x264, libmpeg2, xvidcore }:
+, lzo, libdvdread, pkg-config, x264, libmpeg2, xvidcore }:
 
 stdenv.mkDerivation rec {
   name = "transcode-1.1.7";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ flac lame zlib libjpeg libvorbis libtheora libxml2 lzo
-                  libdvdread pkgconfig x264 libmpeg2 xvidcore ];
+                  libdvdread pkg-config x264 libmpeg2 xvidcore ];
   configureFlags = [
     "--disable-ffmpeg" "--disable-libavcodec" "--disable-libavformat"
     "--enable-lzo" "--enable-ogg" "--enable-vorbis" "--enable-theora" "--enable-libxml2"
diff --git a/pkgs/applications/audio/traverso/default.nix b/pkgs/applications/audio/traverso/default.nix
index f9395ec6fa2..1cb9795005c 100644
--- a/pkgs/applications/audio/traverso/default.nix
+++ b/pkgs/applications/audio/traverso/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchurl, cmake, pkgconfig
+{ mkDerivation, lib, stdenv, fetchurl, cmake, pkg-config
 , alsaLib, fftw, flac, lame, libjack2, libmad, libpulseaudio
 , libsamplerate, libsndfile, libvorbis, portaudio, qtbase, wavpack
 }:
@@ -11,7 +11,7 @@ mkDerivation {
     sha256 = "12f7x8kw4fw1j0xkwjrp54cy4cv1ql0zwz2ba5arclk4pf6bhl7q";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ alsaLib fftw flac.dev libjack2 lame
                   libmad libpulseaudio libsamplerate.dev libsndfile.dev libvorbis
                   portaudio qtbase wavpack ];
diff --git a/pkgs/applications/audio/uade123/default.nix b/pkgs/applications/audio/uade123/default.nix
index 44c8b0ecfb5..368731c52b3 100644
--- a/pkgs/applications/audio/uade123/default.nix
+++ b/pkgs/applications/audio/uade123/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, which, libao, pkgconfig }:
+{ lib, stdenv, fetchurl, which, libao, pkg-config }:
 
 let
   version = "2.13";
@@ -9,7 +9,7 @@ in stdenv.mkDerivation {
     url = "http://zakalwe.fi/uade/uade2/uade-${version}.tar.bz2";
     sha256 = "04nn5li7xy4g5ysyjjngmv5d3ibxppkbb86m10vrvadzxdd4w69v";
   };
-  nativeBuildInputs = [ pkgconfig which ];
+  nativeBuildInputs = [ pkg-config which ];
   buildInputs = [ libao ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/audio/vcv-rack/default.nix b/pkgs/applications/audio/vcv-rack/default.nix
index 8e836417f47..c7e24b926c0 100644
--- a/pkgs/applications/audio/vcv-rack/default.nix
+++ b/pkgs/applications/audio/vcv-rack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, makeWrapper, fetchzip, fetchFromGitHub, pkgconfig
+{ lib, stdenv, makeWrapper, fetchzip, fetchFromGitHub, pkg-config
 , alsaLib, curl, glew, glfw, gtk2-x11, jansson, libjack2, libXext, libXi
 , libzip, rtaudio, rtmidi, speex, libsamplerate }:
 
@@ -74,7 +74,7 @@ with lib; stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ makeWrapper pkgconfig ];
+  nativeBuildInputs = [ makeWrapper pkg-config ];
   buildInputs = [ alsaLib curl glew glfw gtk2-x11 jansson libjack2 libsamplerate libzip rtaudio rtmidi speex ];
 
   buildFlags = [ "Rack" ];
diff --git a/pkgs/applications/audio/vimpc/default.nix b/pkgs/applications/audio/vimpc/default.nix
index b0412005aba..e38fc838667 100644
--- a/pkgs/applications/audio/vimpc/default.nix
+++ b/pkgs/applications/audio/vimpc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, mpd_clientlib, ncurses, pcre, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, mpd_clientlib, ncurses, pcre, pkg-config
 , taglib, curl }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0lswzkap2nm7v5h7ppb6a64cb35rajysd09nb204rxgrkij4m6nx";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ mpd_clientlib ncurses pcre taglib curl ];
 
   postInstall = ''
diff --git a/pkgs/applications/audio/vocal/default.nix b/pkgs/applications/audio/vocal/default.nix
index fb1046aab52..8c449316674 100644
--- a/pkgs/applications/audio/vocal/default.nix
+++ b/pkgs/applications/audio/vocal/default.nix
@@ -4,7 +4,7 @@
 , cmake
 , ninja
 , vala
-, pkgconfig
+, pkg-config
 , pantheon
 , gtk3
 , glib
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     libxml2
     ninja
     vala
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/audio/vocproc/default.nix b/pkgs/applications/audio/vocproc/default.nix
index dce4ed36aac..46957000507 100644
--- a/pkgs/applications/audio/vocproc/default.nix
+++ b/pkgs/applications/audio/vocproc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchzip, pkgconfig, lvtk, lv2, fftw, lv2-cpp-tools, gtkmm2 }:
+{ lib, stdenv, fetchzip, pkg-config, lvtk, lv2, fftw, lv2-cpp-tools, gtkmm2 }:
 
 stdenv.mkDerivation rec {
   pname = "vocproc";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "07a1scyz14mg2jdbw6fpv4qg91zsw61qqii64n9qbnny9d5pn8n2";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ lv2 fftw lv2-cpp-tools gtkmm2 ];
 
diff --git a/pkgs/applications/audio/vorbis-tools/default.nix b/pkgs/applications/audio/vorbis-tools/default.nix
index b50912f26d7..894bed1715f 100644
--- a/pkgs/applications/audio/vorbis-tools/default.nix
+++ b/pkgs/applications/audio/vorbis-tools/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchzip, libogg, libvorbis, libao, pkgconfig, curl
+{ lib, stdenv, fetchurl, fetchzip, libogg, libvorbis, libao, pkg-config, curl
 , speex, flac }:
 
 let
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
     done
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libogg libvorbis libao curl speex flac ];
 
   meta = with lib; {
diff --git a/pkgs/applications/audio/waon/default.nix b/pkgs/applications/audio/waon/default.nix
index 78e4fb1a5c5..970ab087b2c 100644
--- a/pkgs/applications/audio/waon/default.nix
+++ b/pkgs/applications/audio/waon/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fftw, gtk2, libao, libsamplerate
-, libsndfile, ncurses, pkgconfig
+, libsndfile, ncurses, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "1xmq8d2rj58xbp4rnyav95y1vnz3r9s9db7xxfa2rd0ilq0ps4y7";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ fftw gtk2 libao libsamplerate libsndfile ncurses ];
 
   installPhase = ''
diff --git a/pkgs/applications/audio/wolf-shaper/default.nix b/pkgs/applications/audio/wolf-shaper/default.nix
index e724e934e52..b61ea3fc4d4 100644
--- a/pkgs/applications/audio/wolf-shaper/default.nix
+++ b/pkgs/applications/audio/wolf-shaper/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub , libjack2, lv2, xorg, liblo, libGL, libXcursor, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub , libjack2, lv2, xorg, liblo, libGL, libXcursor, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "wolf-shaper";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjack2 lv2 xorg.libX11 liblo libGL libXcursor  ];
 
   makeFlags = [
diff --git a/pkgs/applications/audio/x42-avldrums/default.nix b/pkgs/applications/audio/x42-avldrums/default.nix
index b2b9a4c233d..31ef68714f6 100644
--- a/pkgs/applications/audio/x42-avldrums/default.nix
+++ b/pkgs/applications/audio/x42-avldrums/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, cairo, glib, libGLU, lv2, pango }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, cairo, glib, libGLU, lv2, pango }:
 
 stdenv.mkDerivation rec {
   pname = "x42-avldrums";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ cairo glib libGLU lv2 pango ];
 
   makeFlags = [
diff --git a/pkgs/applications/audio/x42-gmsynth/default.nix b/pkgs/applications/audio/x42-gmsynth/default.nix
index dad6d05f904..cde67908fde 100644
--- a/pkgs/applications/audio/x42-gmsynth/default.nix
+++ b/pkgs/applications/audio/x42-gmsynth/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, glib, lv2 }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, glib, lv2 }:
 
 stdenv.mkDerivation rec {
   pname = "x42-gmsynth";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "08dvdj8r17sfl6l18g2b8abgls2irkbrq5vhrfai01hp2m0rlm34";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib lv2 ];
 
   makeFlags = [
diff --git a/pkgs/applications/audio/x42-plugins/default.nix b/pkgs/applications/audio/x42-plugins/default.nix
index 485e0de1ee7..2d2f670d067 100644
--- a/pkgs/applications/audio/x42-plugins/default.nix
+++ b/pkgs/applications/audio/x42-plugins/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libltc, libsndfile, libsamplerate, ftgl, freefont_ttf, libjack2
 , libGLU, lv2, gtk2, cairo, pango, fftwFloat, zita-convolver }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1av05ykph8x67018hm9zfgh1vk0zi39mvrsxkj6bm4hkarxf0vvl";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libGLU ftgl freefont_ttf libjack2 libltc libsndfile libsamplerate lv2 gtk2 cairo pango fftwFloat zita-convolver ];
 
   # Don't remove this. The default fails with 'do not know how to unpack source archive'
diff --git a/pkgs/applications/audio/xmp/default.nix b/pkgs/applications/audio/xmp/default.nix
index d38faa6925d..b6accf1993a 100644
--- a/pkgs/applications/audio/xmp/default.nix
+++ b/pkgs/applications/audio/xmp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, alsaLib, libxmp }:
+{ lib, stdenv, fetchurl, pkg-config, alsaLib, libxmp }:
 
 stdenv.mkDerivation rec {
   name = "xmp-4.1.0";
@@ -15,6 +15,6 @@ stdenv.mkDerivation rec {
     sha256 = "17i8fc7x7yn3z1x963xp9iv108gxfakxmdgmpv3mlm438w3n3g8x";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ alsaLib libxmp ];
 }
diff --git a/pkgs/applications/audio/xsynth-dssi/default.nix b/pkgs/applications/audio/xsynth-dssi/default.nix
index e8f6bd94bb4..b994f197e67 100644
--- a/pkgs/applications/audio/xsynth-dssi/default.nix
+++ b/pkgs/applications/audio/xsynth-dssi/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, alsaLib, autoconf, automake, dssi, gtk2, libjack2,
-ladspaH, ladspaPlugins, liblo, pkgconfig }:
+ladspaH, ladspaPlugins, liblo, pkg-config }:
 
 stdenv.mkDerivation  rec {
   pname = "xsynth-dssi";
@@ -11,7 +11,7 @@ stdenv.mkDerivation  rec {
   };
 
   buildInputs = [ alsaLib autoconf automake dssi gtk2 libjack2 ladspaH
-    ladspaPlugins liblo pkgconfig ];
+    ladspaPlugins liblo pkg-config ];
 
   installPhase = ''
     mkdir -p $out/bin
diff --git a/pkgs/applications/audio/yoshimi/default.nix b/pkgs/applications/audio/yoshimi/default.nix
index 7f5b0e8d008..e9e191112f9 100644
--- a/pkgs/applications/audio/yoshimi/default.nix
+++ b/pkgs/applications/audio/yoshimi/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub , alsaLib, boost, cairo, cmake, fftwSinglePrec, fltk, pcre
-, libjack2, libsndfile, libXdmcp, readline, lv2, libGLU, libGL, minixml, pkgconfig, zlib, xorg
+, libjack2, libsndfile, libXdmcp, readline, lv2, libGLU, libGL, minixml, pkg-config, zlib, xorg
 }:
 
 assert stdenv ? glibc;
@@ -20,7 +20,7 @@ stdenv.mkDerivation  rec {
     minixml zlib xorg.libpthreadstubs pcre
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   patchPhase = ''
     substituteInPlace src/Misc/Config.cpp --replace /usr $out
diff --git a/pkgs/applications/audio/zam-plugins/default.nix b/pkgs/applications/audio/zam-plugins/default.nix
index 82993ec2673..233961ad111 100644
--- a/pkgs/applications/audio/zam-plugins/default.nix
+++ b/pkgs/applications/audio/zam-plugins/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, boost, libX11, libGL, liblo, libjack2, ladspaH, lv2, pkgconfig, rubberband, libsndfile, fftwFloat, libsamplerate }:
+{ lib, stdenv, fetchFromGitHub, boost, libX11, libGL, liblo, libjack2, ladspaH, lv2, pkg-config, rubberband, libsndfile, fftwFloat, libsamplerate }:
 
 stdenv.mkDerivation rec {
   pname = "zam-plugins";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ boost libX11 libGL liblo libjack2 ladspaH lv2 rubberband libsndfile fftwFloat libsamplerate ];
 
   postPatch = ''
diff --git a/pkgs/applications/blockchains/aeon/default.nix b/pkgs/applications/blockchains/aeon/default.nix
index b9c8512ae13..79742d48a99 100644
--- a/pkgs/applications/blockchains/aeon/default.nix
+++ b/pkgs/applications/blockchains/aeon/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, git, doxygen, graphviz
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, git, doxygen, graphviz
 , boost, miniupnpc, openssl, unbound, cppzmq
 , zeromq, pcsclite, readline, libsodium
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
     sha256 = "07d87n1j4dc9gfwj6xy5jdpryn45095xdh961g6xjnjzc5fivjch";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig git doxygen graphviz ];
+  nativeBuildInputs = [ cmake pkg-config git doxygen graphviz ];
 
   buildInputs = [
     boost miniupnpc openssl unbound
diff --git a/pkgs/applications/blockchains/bitcoin-abc.nix b/pkgs/applications/blockchains/bitcoin-abc.nix
index a0a7f728315..446aafab8ce 100644
--- a/pkgs/applications/blockchains/bitcoin-abc.nix
+++ b/pkgs/applications/blockchains/bitcoin-abc.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, pkgconfig, cmake, openssl, db53, boost
+{ lib, stdenv, mkDerivation, fetchFromGitHub, pkg-config, cmake, openssl, db53, boost
 , zlib, miniupnpc, qtbase ? null , qttools ? null, util-linux, protobuf, qrencode, libevent
 , withGui, python3, jemalloc, zeromq4 }:
 
@@ -18,7 +18,7 @@ mkDerivation rec {
 
   patches = [ ./fix-bitcoin-qt-build.patch ];
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ openssl db53 boost zlib python3 jemalloc zeromq4
                   miniupnpc util-linux protobuf libevent ]
                   ++ optionals withGui [ qtbase qttools qrencode ];
diff --git a/pkgs/applications/blockchains/bitcoin-classic.nix b/pkgs/applications/blockchains/bitcoin-classic.nix
index a9bf3f4715b..796c48a7c58 100644
--- a/pkgs/applications/blockchains/bitcoin-classic.nix
+++ b/pkgs/applications/blockchains/bitcoin-classic.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, autoreconfHook, openssl, db48, boost
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, openssl, db48, boost
 , zlib, miniupnpc, qtbase ? null, qttools ? null, util-linux, protobuf, qrencode, libevent
 , withGui }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "06ij9v7zbdnhxq9429nnxiw655cp8idldj18l7fmj94gqx07n5vh";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl db48 boost zlib
                   miniupnpc util-linux protobuf libevent ]
                   ++ optionals withGui [ qtbase qttools qrencode ];
diff --git a/pkgs/applications/blockchains/bitcoin-gold.nix b/pkgs/applications/blockchains/bitcoin-gold.nix
index c4b7f90cd93..7ff2804ba79 100644
--- a/pkgs/applications/blockchains/bitcoin-gold.nix
+++ b/pkgs/applications/blockchains/bitcoin-gold.nix
@@ -5,7 +5,7 @@
 , libevent
 , autoreconfHook
 , db4
-, pkgconfig
+, pkg-config
 , protobuf
 , hexdump
 , zeromq
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     hexdump
   ] ++ optionals withGui [
     wrapQtAppsHook
diff --git a/pkgs/applications/blockchains/bitcoin-knots.nix b/pkgs/applications/blockchains/bitcoin-knots.nix
index a7fb005ea81..eea836ac62d 100644
--- a/pkgs/applications/blockchains/bitcoin-knots.nix
+++ b/pkgs/applications/blockchains/bitcoin-knots.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , autoreconfHook
 , db5
 , openssl
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "0c8k1154kcwz6q2803wx0zigvqaij1fi5akgfqlj3yl57jjw48jj";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl db5 openssl util-linux
                   protobuf boost zlib miniupnpc libevent ];
 
diff --git a/pkgs/applications/blockchains/bitcoin-unlimited.nix b/pkgs/applications/blockchains/bitcoin-unlimited.nix
index ac1c1841806..04c906aefb2 100644
--- a/pkgs/applications/blockchains/bitcoin-unlimited.nix
+++ b/pkgs/applications/blockchains/bitcoin-unlimited.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, autoreconfHook, openssl, db48, boost
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, openssl, db48, boost
 , zlib, miniupnpc, util-linux, protobuf, qrencode, libevent, python3
 , withGui, wrapQtAppsHook ? null, qtbase ? null, qttools ? null
 , Foundation, ApplicationServices, AppKit }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "018a22zbvjqky0whizmgxzscmna0sh2xqgyw02yjk8qj4yi0zp8c";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook python3 ]
+  nativeBuildInputs = [ pkg-config autoreconfHook python3 ]
     ++ optionals withGui [ wrapQtAppsHook qttools ];
   buildInputs = [ openssl db48 boost zlib
                   miniupnpc util-linux protobuf libevent ]
diff --git a/pkgs/applications/blockchains/btcdeb/default.nix b/pkgs/applications/blockchains/btcdeb/default.nix
index cd162a8f4b3..7f4e438173b 100644
--- a/pkgs/applications/blockchains/btcdeb/default.nix
+++ b/pkgs/applications/blockchains/btcdeb/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , openssl
 }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sha256 = "0qkmf89z2n7s95vhw3n9vh9dbi14zy4vqw3ffdh1w911jwm5ry3z";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl ];
 
   meta = {
diff --git a/pkgs/applications/blockchains/cgminer/default.nix b/pkgs/applications/blockchains/cgminer/default.nix
index b7d9bcd583a..250379ee710 100644
--- a/pkgs/applications/blockchains/cgminer/default.nix
+++ b/pkgs/applications/blockchains/cgminer/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , libtool
 , autoconf
 , automake
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l1ms3nxnjzh4mpiadikvngcr9k3jnjqy3yna207za0va0c28dj5";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ autoconf automake libtool curl ncurses ocl-icd opencl-headers
     xorg.libX11 xorg.libXext xorg.libXinerama jansson libusb1 ];
 
diff --git a/pkgs/applications/blockchains/clightning.nix b/pkgs/applications/blockchains/clightning.nix
index 2f3fca79c8d..ef351d0843f 100644
--- a/pkgs/applications/blockchains/clightning.nix
+++ b/pkgs/applications/blockchains/clightning.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, python3, pkgconfig, which, libtool, autoconf, automake,
+{ lib, stdenv, python3, pkg-config, which, libtool, autoconf, automake,
   autogen, sqlite, gmp, zlib, fetchurl, unzip, fetchpatch, gettext }:
 
 with lib;
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ autoconf autogen automake libtool pkgconfig which unzip gettext ];
+  nativeBuildInputs = [ autoconf autogen automake libtool pkg-config which unzip gettext ];
   buildInputs =
     let py3 = python3.withPackages (p: [ p.Mako ]);
     in [ sqlite gmp zlib py3 ];
diff --git a/pkgs/applications/blockchains/dashpay.nix b/pkgs/applications/blockchains/dashpay.nix
index 6b122d502c3..ca1dd13e425 100644
--- a/pkgs/applications/blockchains/dashpay.nix
+++ b/pkgs/applications/blockchains/dashpay.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, lib, stdenv, pkgconfig, autoreconfHook
+{ fetchFromGitHub, lib, stdenv, pkg-config, autoreconfHook
 , openssl, db48, boost, zlib, miniupnpc
 , qrencode, glib, protobuf, yasm, libevent
 , util-linux
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l1gcj2xf2bal9ph9y11x8yd28fd25f55f48xbm45bfw3ij7nbaa";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ glib openssl db48 yasm boost zlib libevent
                   miniupnpc protobuf qrencode util-linux ];
 
diff --git a/pkgs/applications/blockchains/dero.nix b/pkgs/applications/blockchains/dero.nix
index 373170fe8ff..6b15cbd0a16 100644
--- a/pkgs/applications/blockchains/dero.nix
+++ b/pkgs/applications/blockchains/dero.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, unbound, openssl, boost
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unbound, openssl, boost
 , lmdb, miniupnpc, readline }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1v8b9wbmqbpyf4jpc0v276qzk3hc5fpddcmwvv5k5yfi30nmbh5c";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ boost miniupnpc openssl lmdb unbound readline ];
 
   meta = with lib; {
diff --git a/pkgs/applications/blockchains/digibyte.nix b/pkgs/applications/blockchains/digibyte.nix
index 97bf97bb340..acf0b355e64 100644
--- a/pkgs/applications/blockchains/digibyte.nix
+++ b/pkgs/applications/blockchains/digibyte.nix
@@ -5,7 +5,7 @@
 , libevent
 , autoreconfHook
 , db4
-, pkgconfig
+, pkg-config
 , protobuf
 , hexdump
 , zeromq
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     hexdump
   ] ++ optionals withGui [
     wrapQtAppsHook
diff --git a/pkgs/applications/blockchains/dogecoin.nix b/pkgs/applications/blockchains/dogecoin.nix
index 2a01288e4de..88439d6bdbf 100644
--- a/pkgs/applications/blockchains/dogecoin.nix
+++ b/pkgs/applications/blockchains/dogecoin.nix
@@ -1,5 +1,5 @@
 { lib, stdenv , fetchFromGitHub
-, pkgconfig, autoreconfHook
+, pkg-config, autoreconfHook
 , db5, openssl, boost, zlib, miniupnpc, libevent
 , protobuf, util-linux, qt4, qrencode
 , withGui }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "1gw46q63mjzwvb17ck6p1bap2xpdrap08szw2kjhasa3yvd5swyy";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl db5 openssl util-linux
                   protobuf boost zlib miniupnpc libevent ]
                   ++ optionals withGui [ qt4 qrencode ];
diff --git a/pkgs/applications/blockchains/litecoin.nix b/pkgs/applications/blockchains/litecoin.nix
index 342f14c7df6..c80ef342c75 100644
--- a/pkgs/applications/blockchains/litecoin.nix
+++ b/pkgs/applications/blockchains/litecoin.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, mkDerivation, fetchFromGitHub
-, pkgconfig, autoreconfHook
+, pkg-config, autoreconfHook
 , openssl, db48, boost, zlib, miniupnpc
 , glib, protobuf, util-linux, qrencode
 , AppKit
@@ -22,7 +22,7 @@ mkDerivation rec {
     sha256 = "11753zhyx1kmrlljc6kbjwrcb06dfcrsqvmw3iaki9a132qk6l5c";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl db48 boost zlib zeromq
                   miniupnpc glib protobuf util-linux libevent ]
                   ++ optionals stdenv.isDarwin [ AppKit ]
diff --git a/pkgs/applications/blockchains/masari.nix b/pkgs/applications/blockchains/masari.nix
index 25301a87aea..bf995da36af 100644
--- a/pkgs/applications/blockchains/masari.nix
+++ b/pkgs/applications/blockchains/masari.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, unbound, openssl, boost
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, unbound, openssl, boost
 , lmdb, miniupnpc, readline }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l6i21wkq5f6z8xr756i7vqgkzk7lixaa31ydy34fkfcqxppgxz3";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ boost miniupnpc openssl lmdb unbound readline ];
 
   meta = with lib; {
diff --git a/pkgs/applications/blockchains/monero-gui/default.nix b/pkgs/applications/blockchains/monero-gui/default.nix
index 5165c61b070..9bf1ca586c2 100644
--- a/pkgs/applications/blockchains/monero-gui/default.nix
+++ b/pkgs/applications/blockchains/monero-gui/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, wrapQtAppsHook, makeDesktopItem
 , fetchFromGitHub
-, cmake, qttools, pkgconfig
+, cmake, qttools, pkg-config
 , qtbase, qtdeclarative, qtgraphicaleffects
 , qtmultimedia, qtxmlpatterns
 , qtquickcontrols, qtquickcontrols2
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake pkgconfig wrapQtAppsHook
+    cmake pkg-config wrapQtAppsHook
     (getDev qttools)
   ];
 
diff --git a/pkgs/applications/blockchains/monero/default.nix b/pkgs/applications/blockchains/monero/default.nix
index 48d1952192d..41931bc9ec3 100644
--- a/pkgs/applications/blockchains/monero/default.nix
+++ b/pkgs/applications/blockchains/monero/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
-, cmake, pkgconfig
+, cmake, pkg-config
 , boost, miniupnpc, openssl, unbound
 , zeromq, pcsclite, readline, libsodium, hidapi
 , randomx, rapidjson
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     cp -r . $source
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     boost miniupnpc openssl unbound
diff --git a/pkgs/applications/blockchains/namecoin.nix b/pkgs/applications/blockchains/namecoin.nix
index 77f72f4824b..dccee1dc056 100644
--- a/pkgs/applications/blockchains/namecoin.nix
+++ b/pkgs/applications/blockchains/namecoin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, openssl, boost, libevent, autoreconfHook, db4, miniupnpc, eject, pkgconfig, qt4, protobuf, qrencode, hexdump
+{ lib, stdenv, fetchFromGitHub, openssl, boost, libevent, autoreconfHook, db4, miniupnpc, eject, pkg-config, qt4, protobuf, qrencode, hexdump
 , withGui }:
 
 with lib;
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     hexdump
   ];
 
diff --git a/pkgs/applications/blockchains/nano-wallet/default.nix b/pkgs/applications/blockchains/nano-wallet/default.nix
index 664e2674062..60ad51152f6 100644
--- a/pkgs/applications/blockchains/nano-wallet/default.nix
+++ b/pkgs/applications/blockchains/nano-wallet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, wrapQtAppsHook, boost, libGL
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, wrapQtAppsHook, boost, libGL
 , qtbase}:
 
 stdenv.mkDerivation rec {
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
     optionToFlag = name: value: "-D${name}=${value}";
   in lib.mapAttrsToList optionToFlag options;
 
-  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
   buildInputs = [ boost libGL qtbase ];
 
   buildPhase = ''
diff --git a/pkgs/applications/blockchains/particl/particl-core.nix b/pkgs/applications/blockchains/particl/particl-core.nix
index cadd64b289b..2c17b344664 100644
--- a/pkgs/applications/blockchains/particl/particl-core.nix
+++ b/pkgs/applications/blockchains/particl/particl-core.nix
@@ -6,7 +6,7 @@
 , libevent
 , miniupnpc
 , openssl
-, pkgconfig
+, pkg-config
 , zeromq
 , zlib
 , unixtools
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "11y5q2srkh6r2samppjb5mg6hl79y16j2lj1r23p0968vb9c45kl";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ openssl db48 boost zlib miniupnpc libevent zeromq unixtools.hexdump python3 ];
 
   configureFlags = [
diff --git a/pkgs/applications/blockchains/pivx.nix b/pkgs/applications/blockchains/pivx.nix
index 92f548789bf..58986a10676 100644
--- a/pkgs/applications/blockchains/pivx.nix
+++ b/pkgs/applications/blockchains/pivx.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, lib, stdenv, pkgconfig, autoreconfHook, wrapQtAppsHook ? null
+{ fetchFromGitHub, lib, stdenv, pkg-config, autoreconfHook, wrapQtAppsHook ? null
 , openssl, db48, boost, zlib, miniupnpc, gmp
 , qrencode, glib, protobuf, yasm, libevent
 , util-linux, qtbase ? null, qttools ? null
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "03ndk46h6093v8s18d5iffz48zhlshq7jrk6vgpjfs6z2iqgd2sy";
   };
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ] ++ optionals withGui [ wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ] ++ optionals withGui [ wrapQtAppsHook ];
   buildInputs = [ glib gmp openssl db48 yasm boost zlib libevent miniupnpc protobuf util-linux ]
                   ++ optionals withGui [ qtbase qttools qrencode ];
 
diff --git a/pkgs/applications/blockchains/stellar-core.nix b/pkgs/applications/blockchains/stellar-core.nix
index 925942c56e9..ceb48bf6aa4 100644
--- a/pkgs/applications/blockchains/stellar-core.nix
+++ b/pkgs/applications/blockchains/stellar-core.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, autoconf, libtool, automake, pkgconfig, git
+{ lib, stdenv, fetchgit, autoconf, libtool, automake, pkg-config, git
 , bison, flex, postgresql }:
 
 let
@@ -16,7 +16,7 @@ in stdenv.mkDerivation {
     leaveDotGit = true;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ autoconf automake libtool git ];
 
   propagatedBuildInputs = [ bison flex postgresql ];
diff --git a/pkgs/applications/blockchains/vertcoin.nix b/pkgs/applications/blockchains/vertcoin.nix
index d56126902b6..acb02298e11 100644
--- a/pkgs/applications/blockchains/vertcoin.nix
+++ b/pkgs/applications/blockchains/vertcoin.nix
@@ -5,7 +5,7 @@
 , libevent
 , autoreconfHook
 , db4
-, pkgconfig
+, pkg-config
 , protobuf
 , hexdump
 , zeromq
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     hexdump
   ] ++ optionals withGui [
     wrapQtAppsHook
diff --git a/pkgs/applications/editors/amp/default.nix b/pkgs/applications/editors/amp/default.nix
index 88f22bf9e7d..5f8c56592f6 100644
--- a/pkgs/applications/editors/amp/default.nix
+++ b/pkgs/applications/editors/amp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, openssl, pkgconfig, python3, xorg, cmake, libgit2, darwin
+{ lib, stdenv, fetchFromGitHub, rustPlatform, openssl, pkg-config, python3, xorg, cmake, libgit2, darwin
 , curl }:
 
 rustPlatform.buildRustPackage rec {
@@ -14,7 +14,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "09v991rl2w4c4jh7ga7q1lk6wyl2vr71j5cpniij8mcvszrz78qf";
 
-  nativeBuildInputs = [ cmake pkgconfig python3 ];
+  nativeBuildInputs = [ cmake pkg-config python3 ];
   buildInputs = [ openssl xorg.libxcb libgit2 ] ++ lib.optionals stdenv.isDarwin
     (with darwin.apple_sdk.frameworks; [ curl Security AppKit ]);
 
diff --git a/pkgs/applications/editors/apostrophe/default.nix b/pkgs/applications/editors/apostrophe/default.nix
index cb8e9b7e3bb..4265e0ef104 100644
--- a/pkgs/applications/editors/apostrophe/default.nix
+++ b/pkgs/applications/editors/apostrophe/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitLab, meson, ninja, cmake
-, wrapGAppsHook, pkgconfig, desktop-file-utils
+, wrapGAppsHook, pkg-config, desktop-file-utils
 , appstream-glib, pythonPackages, glib, gobject-introspection
 , gtk3, webkitgtk, glib-networking, gnome3, gspell, texlive
 , shared-mime-info, haskellPackages}:
@@ -21,7 +21,7 @@ in stdenv.mkDerivation rec {
     sha256 = "06bl1hc69ixk2vcb2ig74mwid14sl5zq6rfna7lx9na6j3l04879";
   };
 
-  nativeBuildInputs = [ meson ninja cmake pkgconfig desktop-file-utils
+  nativeBuildInputs = [ meson ninja cmake pkg-config desktop-file-utils
     appstream-glib wrapGAppsHook ];
 
   buildInputs = [ glib pythonEnv gobject-introspection gtk3
diff --git a/pkgs/applications/editors/aseprite/default.nix b/pkgs/applications/editors/aseprite/default.nix
index b44dc7c6d4f..58342ab1393 100644
--- a/pkgs/applications/editors/aseprite/default.nix
+++ b/pkgs/applications/editors/aseprite/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, callPackage, fetchFromGitHub, fetchpatch, cmake, ninja, pkgconfig
+{ stdenv, lib, callPackage, fetchFromGitHub, fetchpatch, cmake, ninja, pkg-config
 , curl, freetype, giflib, libjpeg, libpng, libwebp, pixman, tinyxml, zlib
 , harfbuzzFull, glib, fontconfig, pcre
 , libX11, libXext, libXcursor, libXxf86vm, libGL
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake pkgconfig
+    cmake pkg-config
   ] ++ lib.optionals unfree [ ninja ];
 
   buildInputs = [
diff --git a/pkgs/applications/editors/bless/default.nix b/pkgs/applications/editors/bless/default.nix
index ab5f2ccc104..24fc8440bbd 100644
--- a/pkgs/applications/editors/bless/default.nix
+++ b/pkgs/applications/editors/bless/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , mono
 , gtk-sharp-2_0
 , gettext
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     autoreconfHook
     gettext
     makeWrapper
diff --git a/pkgs/applications/editors/bluefish/default.nix b/pkgs/applications/editors/bluefish/default.nix
index 21da4de9c6d..2507cb13d7a 100644
--- a/pkgs/applications/editors/bluefish/default.nix
+++ b/pkgs/applications/editors/bluefish/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, wrapGAppsHook, pkgconfig , gtk, libxml2
+{ lib, stdenv, fetchurl, intltool, wrapGAppsHook, pkg-config , gtk, libxml2
 , enchant, gucharmap, python, gnome3
 }:
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0slyjx4b4l612505q02crk00pjg9d5wi8gm5gxvcs0f6l9dr1y8d";
   };
 
-  nativeBuildInputs = [ intltool pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ intltool pkg-config wrapGAppsHook ];
   buildInputs = [ gnome3.adwaita-icon-theme gtk libxml2
     enchant gucharmap python ];
 
diff --git a/pkgs/applications/editors/codeblocks/default.nix b/pkgs/applications/editors/codeblocks/default.nix
index 106ddb515ed..5784e7d50a4 100644
--- a/pkgs/applications/editors/codeblocks/default.nix
+++ b/pkgs/applications/editors/codeblocks/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, libtool, pkgconfig, file, zip, wxGTK, gtk2
+{ lib, stdenv, fetchurl, autoreconfHook, libtool, pkg-config, file, zip, wxGTK, gtk2
 , contribPlugins ? false, hunspell, gamin, boost
 }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "1q2pph7md1p10i83rir2l4gvy7ym2iw8w6sk5vl995knf851m20k";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig libtool file zip ];
+  nativeBuildInputs = [ autoreconfHook pkg-config libtool file zip ];
   buildInputs = [ wxGTK gtk2 ]
     ++ optionals contribPlugins [ hunspell gamin boost ];
   enableParallelBuilding = true;
diff --git a/pkgs/applications/editors/edit/default.nix b/pkgs/applications/editors/edit/default.nix
index ff4dcca8935..25e620c51e4 100644
--- a/pkgs/applications/editors/edit/default.nix
+++ b/pkgs/applications/editors/edit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, unzip, pkgconfig, ncurses, libX11, libXft, cwebbin }:
+{ lib, stdenv, fetchgit, unzip, pkg-config, ncurses, libX11, libXft, cwebbin }:
 
 stdenv.mkDerivation {
   pname = "edit-nightly";
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   buildInputs = [
      unzip
-     pkgconfig
+     pkg-config
      ncurses
      libX11
      libXft
diff --git a/pkgs/applications/editors/emacs-modes/melpa-packages.nix b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
index 93e215753c7..bc0875bcd9e 100644
--- a/pkgs/applications/editors/emacs-modes/melpa-packages.nix
+++ b/pkgs/applications/editors/emacs-modes/melpa-packages.nix
@@ -144,7 +144,7 @@ let
         flycheck-rtags = fix-rtags super.flycheck-rtags;
 
         pdf-tools = super.pdf-tools.overrideAttrs (old: {
-          nativeBuildInputs = [ external.pkgconfig ];
+          nativeBuildInputs = [ external.pkg-config ];
           buildInputs = with external; old.buildInputs ++ [ autoconf automake libpng zlib poppler ];
           preBuild = "make server/epdfinfo";
           recipe = pkgs.writeText "recipe" ''
@@ -373,7 +373,7 @@ let
           nativeBuildInputs = [
             external.autoconf
             external.automake
-            external.pkgconfig
+            external.pkg-config
             external.libtool
             (external.zeromq.override { enableDrafts = true; })
           ];
diff --git a/pkgs/applications/editors/emacs/generic.nix b/pkgs/applications/editors/emacs/generic.nix
index eef98943c3b..37707996919 100644
--- a/pkgs/applications/editors/emacs/generic.nix
+++ b/pkgs/applications/editors/emacs/generic.nix
@@ -7,7 +7,7 @@
   , patches ? [ ]
 }:
 { stdenv, lib, fetchurl, fetchpatch, ncurses, xlibsWrapper, libXaw, libXpm
-, Xaw3d, libXcursor,  pkgconfig, gettext, libXft, dbus, libpng, libjpeg, libungif
+, Xaw3d, libXcursor,  pkg-config, gettext, libXft, dbus, libpng, libjpeg, libungif
 , libtiff, librsvg, gconf, libxml2, imagemagick, gnutls, libselinux
 , alsaLib, cairo, acl, gpm, AppKit, GSS, ImageIO, m17n_lib, libotf
 , jansson, harfbuzz
@@ -92,7 +92,7 @@ let emacs = stdenv.mkDerivation (lib.optionalAttrs nativeComp {
     ""
   ];
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ]
+  nativeBuildInputs = [ pkg-config makeWrapper ]
     ++ lib.optionals srcRepo [ autoreconfHook texinfo ]
     ++ lib.optional (withX && (withGTK3 || withXwidgets)) wrapGAppsHook;
 
diff --git a/pkgs/applications/editors/emacs/macport.nix b/pkgs/applications/editors/emacs/macport.nix
index dd9a6673458..3c57d3bc81a 100644
--- a/pkgs/applications/editors/emacs/macport.nix
+++ b/pkgs/applications/editors/emacs/macport.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, ncurses, pkgconfig, texinfo, libxml2, gnutls, gettext, autoconf, automake, jansson
+{ lib, stdenv, fetchurl, ncurses, pkg-config, texinfo, libxml2, gnutls, gettext, autoconf, automake, jansson
 , AppKit, Carbon, Cocoa, IOKit, OSAKit, Quartz, QuartzCore, WebKit
 , ImageCaptureCore, GSS, ImageIO # These may be optional
 }:
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig autoconf automake ];
+  nativeBuildInputs = [ pkg-config autoconf automake ];
 
   buildInputs = [ ncurses libxml2 gnutls texinfo gettext jansson
     AppKit Carbon Cocoa IOKit OSAKit Quartz QuartzCore WebKit
diff --git a/pkgs/applications/editors/featherpad/default.nix b/pkgs/applications/editors/featherpad/default.nix
index dee0fe72ebb..059d49151d8 100644
--- a/pkgs/applications/editors/featherpad/default.nix
+++ b/pkgs/applications/editors/featherpad/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, pkgconfig, qmake, qttools, qtbase, qtsvg, qtx11extras, fetchFromGitHub }:
+{ lib, stdenv, mkDerivation, pkg-config, qmake, qttools, qtbase, qtsvg, qtx11extras, fetchFromGitHub }:
 mkDerivation rec {
   pname = "featherpad";
   version = "0.10.0";
@@ -10,7 +10,7 @@ mkDerivation rec {
     sha256 = "1wrbs6kni9s3x39cckm9kzpglryxn5vyarilvh9pafbzpc6rc57p";
   };
 
-  nativeBuildInputs = [ qmake pkgconfig qttools ];
+  nativeBuildInputs = [ qmake pkg-config qttools ];
   buildInputs = [ qtbase qtsvg qtx11extras ];
 
   meta = with lib; {
diff --git a/pkgs/applications/editors/focuswriter/default.nix b/pkgs/applications/editors/focuswriter/default.nix
index 1a5ce245153..31a7026106e 100644
--- a/pkgs/applications/editors/focuswriter/default.nix
+++ b/pkgs/applications/editors/focuswriter/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, qmake, qttools, hunspell, qtbase, qtmultimedia, mkDerivation }:
+{ lib, stdenv, fetchurl, pkg-config, qmake, qttools, hunspell, qtbase, qtmultimedia, mkDerivation }:
 
 mkDerivation rec {
   pname = "focuswriter";
@@ -9,7 +9,7 @@ mkDerivation rec {
     sha256 = "0h85f6cs9zbxv118mjfxqfv41j19zkx2xq36mpnlmrlzkjj7dx9l";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake qttools ];
+  nativeBuildInputs = [ pkg-config qmake qttools ];
   buildInputs = [ hunspell qtbase qtmultimedia ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/editors/geany/default.nix b/pkgs/applications/editors/geany/default.nix
index e6752386718..e77b63218c3 100644
--- a/pkgs/applications/editors/geany/default.nix
+++ b/pkgs/applications/editors/geany/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , gtk3
 , which
-, pkgconfig
+, pkg-config
 , intltool
 , file
 , libintl
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
     libintl
     which
diff --git a/pkgs/applications/editors/ghostwriter/default.nix b/pkgs/applications/editors/ghostwriter/default.nix
index 4da73d0d2e6..f0ae7ef5f3e 100644
--- a/pkgs/applications/editors/ghostwriter/default.nix
+++ b/pkgs/applications/editors/ghostwriter/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkgconfig, qttools, qtwebengine, hunspell }:
+{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkg-config, qttools, qtwebengine, hunspell }:
 
 mkDerivation rec {
   pname = "ghostwriter";
@@ -11,7 +11,7 @@ mkDerivation rec {
     sha256 = "sha256-Ag97iE++f3nG2zlwqn0qxSL9RpF8O3XWH9NtQ5kFuWg=";
   };
 
-  nativeBuildInputs = [ qmake pkgconfig qttools ];
+  nativeBuildInputs = [ qmake pkg-config qttools ];
 
   buildInputs = [ qtwebengine hunspell ];
 
diff --git a/pkgs/applications/editors/gnome-builder/default.nix b/pkgs/applications/editors/gnome-builder/default.nix
index 4c36dcfda11..198185e469d 100644
--- a/pkgs/applications/editors/gnome-builder/default.nix
+++ b/pkgs/applications/editors/gnome-builder/default.nix
@@ -25,7 +25,7 @@
 , ostree
 , pcre
 , pcre2
-, pkgconfig
+, pkg-config
 , python3
 , sysprof
 , template-glib
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     gtk-doc
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     python3.pkgs.wrapPython
     wrapGAppsHook
diff --git a/pkgs/applications/editors/gnome-latex/default.nix b/pkgs/applications/editors/gnome-latex/default.nix
index d9e09bf0d89..7967b78f13c 100644
--- a/pkgs/applications/editors/gnome-latex/default.nix
+++ b/pkgs/applications/editors/gnome-latex/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, wrapGAppsHook, gsettings-desktop-schemas, gspell, gtksourceview4, libgee
-, tepl, amtk, gnome3, glib, pkgconfig, intltool, itstool, libxml2 }:
+, tepl, amtk, gnome3, glib, pkg-config, intltool, itstool, libxml2 }:
 let
   version = "3.38.0";
   pname = "gnome-latex";
@@ -15,7 +15,7 @@ in stdenv.mkDerivation {
   configureFlags = ["--disable-dconf-migration"];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     itstool
     intltool
diff --git a/pkgs/applications/editors/gobby/default.nix b/pkgs/applications/editors/gobby/default.nix
index d4710094e4f..0e2671846c0 100644
--- a/pkgs/applications/editors/gobby/default.nix
+++ b/pkgs/applications/editors/gobby/default.nix
@@ -1,5 +1,5 @@
 { avahiSupport ? false # build support for Avahi in libinfinity
-, lib, stdenv, fetchFromGitHub, autoconf, automake, pkgconfig, wrapGAppsHook, yelp-tools
+, lib, stdenv, fetchFromGitHub, autoconf, automake, pkg-config, wrapGAppsHook, yelp-tools
 , gtkmm3, gsasl, gtksourceview3, libxmlxx, libinfinity, intltool, itstool, gnome3 }:
 
 let
@@ -13,7 +13,7 @@ in stdenv.mkDerivation {
     sha256 = "0q7lq64yn16lxvj4jphs8y9194h0xppj8k7y9x8b276krraak2az";
   };
 
-  nativeBuildInputs = [ autoconf automake pkgconfig intltool itstool yelp-tools wrapGAppsHook ];
+  nativeBuildInputs = [ autoconf automake pkg-config intltool itstool yelp-tools wrapGAppsHook ];
   buildInputs = [ gtkmm3 gsasl gtksourceview3 libxmlxx libinf ];
 
   preConfigure = "./autogen.sh";
diff --git a/pkgs/applications/editors/howl/default.nix b/pkgs/applications/editors/howl/default.nix
index f3671cc7b3a..2c959519f41 100644
--- a/pkgs/applications/editors/howl/default.nix
+++ b/pkgs/applications/editors/howl/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkgconfig, gtk3, librsvg }:
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, gtk3, librsvg }:
 
 with lib;
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   # The Makefile uses "/usr/local" if not explicitly overridden
   installFlags = [ "PREFIX=$(out)" ];
 
-  nativeBuildInputs = [ makeWrapper pkgconfig ];
+  nativeBuildInputs = [ makeWrapper pkg-config ];
   buildInputs = [ gtk3 librsvg ];
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/editors/jucipp/default.nix b/pkgs/applications/editors/jucipp/default.nix
index 5f2cf75ff37..95b41ba5caf 100644
--- a/pkgs/applications/editors/jucipp/default.nix
+++ b/pkgs/applications/editors/jucipp/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchgit, dconf, gtksourceview3, at-spi2-core, gtksourceviewmm,
-  boost, epoxy, cmake, aspell, llvmPackages, libgit2, pkgconfig, pcre,
+  boost, epoxy, cmake, aspell, llvmPackages, libgit2, pkg-config, pcre,
   libXdmcp, libxkbcommon, libpthreadstubs, wrapGAppsHook, aspellDicts, gtkmm3,
   coreutils, glibc, dbus, openssl, libxml2, gnumake, ctags }:
 
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "0xp6ijnrggskjrvscp204bmdpz48l5a8nxr9abp17wni6akb5wiq";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
   buildInputs = [
     dbus
     openssl
diff --git a/pkgs/applications/editors/kakoune/default.nix b/pkgs/applications/editors/kakoune/default.nix
index 3c0a8bafa7e..93a9e1a05a6 100644
--- a/pkgs/applications/editors/kakoune/default.nix
+++ b/pkgs/applications/editors/kakoune/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, ncurses, asciidoc, docbook_xsl, libxslt, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, ncurses, asciidoc, docbook_xsl, libxslt, pkg-config }:
 
 with lib;
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     rev = "v${version}";
     sha256 = "091qzk0qs7hql0q51hix99srgma35mhdnjfd5ncfba1bmc1h8x5i";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses asciidoc docbook_xsl libxslt ];
   makeFlags = [ "debug=no" ];
 
diff --git a/pkgs/applications/editors/kdevelop5/kdevelop-pg-qt.nix b/pkgs/applications/editors/kdevelop5/kdevelop-pg-qt.nix
index 4bd377444d0..cb1265735f9 100644
--- a/pkgs/applications/editors/kdevelop5/kdevelop-pg-qt.nix
+++ b/pkgs/applications/editors/kdevelop5/kdevelop-pg-qt.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cmake, pkgconfig, extra-cmake-modules, qtbase }:
+{ lib, stdenv, fetchurl, cmake, pkg-config, extra-cmake-modules, qtbase }:
 
 let
   pname = "kdevelop-pg-qt";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0ay6m6j6zgrbcm48f14bass83bk4w5qnx76xihc05p69i9w32ff1";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig extra-cmake-modules ];
+  nativeBuildInputs = [ cmake pkg-config extra-cmake-modules ];
 
   buildInputs = [ qtbase ];
 
diff --git a/pkgs/applications/editors/kdevelop5/kdevelop.nix b/pkgs/applications/editors/kdevelop5/kdevelop.nix
index 8ca083a2d89..b54015de7b8 100644
--- a/pkgs/applications/editors/kdevelop5/kdevelop.nix
+++ b/pkgs/applications/editors/kdevelop5/kdevelop.nix
@@ -1,5 +1,5 @@
 
-{ mkDerivation, lib, fetchurl, cmake, gettext, pkgconfig, extra-cmake-modules
+{ mkDerivation, lib, fetchurl, cmake, gettext, pkg-config, extra-cmake-modules
 , qtquickcontrols, qtwebkit, qttools, kde-cli-tools, qtbase
 , kconfig, kdeclarative, kdoctools, kiconthemes, ki18n, kitemmodels, kitemviews
 , kjobwidgets, kcmutils, kio, knewstuff, knotifyconfig, kparts, ktexteditor
@@ -18,7 +18,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake gettext pkgconfig extra-cmake-modules makeWrapper
+    cmake gettext pkg-config extra-cmake-modules makeWrapper
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/editors/leafpad/default.nix b/pkgs/applications/editors/leafpad/default.nix
index d37a2de2866..2f53df97d32 100644
--- a/pkgs/applications/editors/leafpad/default.nix
+++ b/pkgs/applications/editors/leafpad/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, pkgconfig, gtk2 }:
+{ lib, stdenv, fetchurl, intltool, pkg-config, gtk2 }:
 
 stdenv.mkDerivation rec {
   version = "0.8.18.1";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b0az2wvqgvam7w0ns1j8xp2llslm1rx6h7zcsy06a7j0yp257cm";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool gtk2 ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/editors/mg/default.nix b/pkgs/applications/editors/mg/default.nix
index 8878e01de67..ea5e162fdde 100644
--- a/pkgs/applications/editors/mg/default.nix
+++ b/pkgs/applications/editors/mg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, ncurses, buildPackages }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, ncurses, buildPackages }:
 
 stdenv.mkDerivation rec {
   pname = "mg";
@@ -13,13 +13,13 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  makeFlags = [ "PKG_CONFIG=${buildPackages.pkgconfig}/bin/${buildPackages.pkgconfig.targetPrefix}pkg-config" ];
+  makeFlags = [ "PKG_CONFIG=${buildPackages.pkg-config}/bin/${buildPackages.pkg-config.targetPrefix}pkg-config" ];
 
   installPhase = ''
     install -m 555 -Dt $out/bin mg
     install -m 444 -Dt $out/share/man/man1 mg.1
   '';
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ ncurses ];
 
diff --git a/pkgs/applications/editors/monodevelop/default.nix b/pkgs/applications/editors/monodevelop/default.nix
index ed6695b9979..e5fde3e501e 100644
--- a/pkgs/applications/editors/monodevelop/default.nix
+++ b/pkgs/applications/editors/monodevelop/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, autoconf, automake, pkgconfig, shared-mime-info, intltool
+, autoconf, automake, pkg-config, shared-mime-info, intltool
 , glib, mono, gtk-sharp-2_0, gnome2, gnome-sharp, unzip
 , dotnetPackages
 }:
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   patchFlags = [ "-p2" ];
   patches = [ ./git-revert-12d610fb3f6dce121df538e36f21d8c2eeb0a6e3.patch ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     autoconf automake shared-mime-info intltool
     mono gtk-sharp-2_0 gnome-sharp unzip
diff --git a/pkgs/applications/editors/neovim/default.nix b/pkgs/applications/editors/neovim/default.nix
index 427e11ca642..3e5de3d5fc1 100644
--- a/pkgs/applications/editors/neovim/default.nix
+++ b/pkgs/applications/editors/neovim/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, cmake, gettext, msgpack, libtermkey, libiconv
-, libuv, lua, ncurses, pkgconfig
+, libuv, lua, ncurses, pkg-config
 , unibilium, xsel, gperf
 , libvterm-neovim
 , glibcLocales ? null, procps ? null
@@ -74,7 +74,7 @@ in
     nativeBuildInputs = [
       cmake
       gettext
-      pkgconfig
+      pkg-config
     ];
 
     # extra programs test via `make functionaltest`
diff --git a/pkgs/applications/editors/notepadqq/default.nix b/pkgs/applications/editors/notepadqq/default.nix
index cd4fe34ef33..545d64ef512 100644
--- a/pkgs/applications/editors/notepadqq/default.nix
+++ b/pkgs/applications/editors/notepadqq/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, pkgconfig, which, qtbase, qtsvg, qttools, qtwebkit }:
+{ mkDerivation, lib, fetchFromGitHub, pkg-config, which, qtbase, qtsvg, qttools, qtwebkit }:
 
 mkDerivation rec {
   pname = "notepadqq";
@@ -12,7 +12,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig which qttools
+    pkg-config which qttools
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/editors/quilter/default.nix b/pkgs/applications/editors/quilter/default.nix
index 48d509be41a..2d04ad1629c 100644
--- a/pkgs/applications/editors/quilter/default.nix
+++ b/pkgs/applications/editors/quilter/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix-update-script, pkgconfig, meson, ninja, python3, vala
+{ lib, stdenv, fetchFromGitHub, nix-update-script, pkg-config, meson, ninja, python3, vala
 , gtk3, desktop-file-utils, gtksourceview, webkitgtk, gtkspell3, pantheon
 , libgee, discount, wrapGAppsHook }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/editors/scite/default.nix b/pkgs/applications/editors/scite/default.nix
index 0b72a57df3e..3d6ec9ece9c 100644
--- a/pkgs/applications/editors/scite/default.nix
+++ b/pkgs/applications/editors/scite/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2 }:
+{ lib, stdenv, fetchurl, pkg-config, gtk2 }:
 
 stdenv.mkDerivation {
   pname = "scite";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "0h16wk2986nkkhhdv5g4lxlcn02qwyja24x1r6vf02r1hf46b9q2";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 ];
   sourceRoot = "scintilla/gtk";
 
diff --git a/pkgs/applications/editors/sigil/default.nix b/pkgs/applications/editors/sigil/default.nix
index 8e662d55523..1094c3c7553 100644
--- a/pkgs/applications/editors/sigil/default.nix
+++ b/pkgs/applications/editors/sigil/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkgconfig, makeWrapper
+{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkg-config, makeWrapper
 , boost, xercesc, hunspell, zlib, pcre16
 , qtbase, qttools, qtwebengine, qtxmlpatterns
 , python3Packages
@@ -17,7 +17,7 @@ mkDerivation rec {
 
   pythonPath = with python3Packages; [ lxml ];
 
-  nativeBuildInputs = [ cmake pkgconfig makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
 
   buildInputs = [
     boost xercesc qtbase qttools qtwebengine qtxmlpatterns
diff --git a/pkgs/applications/editors/supertux-editor/default.nix b/pkgs/applications/editors/supertux-editor/default.nix
index b42ebe19f64..e474ff5f19b 100644
--- a/pkgs/applications/editors/supertux-editor/default.nix
+++ b/pkgs/applications/editors/supertux-editor/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, mono, gtk-sharp-2_0, pkgconfig, makeWrapper, gnome2, gtk2 }:
+{ lib, stdenv, fetchFromGitHub, mono, gtk-sharp-2_0, pkg-config, makeWrapper, gnome2, gtk2 }:
 stdenv.mkDerivation {
   version = "git-2014-08-20";
   pname = "supertux-editor";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "08y5haclgxvcii3hpdvn1ah8qd0f3n8xgxxs8zryj02b8n7cz3vx";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [mono gtk-sharp-2_0 makeWrapper gnome2.libglade gtk2 ];
 
   installPhase = ''
diff --git a/pkgs/applications/editors/texmacs/default.nix b/pkgs/applications/editors/texmacs/default.nix
index f967f28f4df..6046a3aa313 100644
--- a/pkgs/applications/editors/texmacs/default.nix
+++ b/pkgs/applications/editors/texmacs/default.nix
@@ -7,7 +7,7 @@
   git ? null,
   python3 ? null,
   cmake,
-  pkgconfig,
+  pkg-config,
   ghostscriptX ? null,
   extraFonts ? false,
   chineseFonts ? false,
@@ -31,7 +31,7 @@ mkDerivation {
     sha256 = "04585hdh98fvyhj4wsxf69xal2wvfa6lg76gad8pr6ww9abi5105";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
     guile_1_8
     qtbase
diff --git a/pkgs/applications/editors/texmaker/default.nix b/pkgs/applications/editors/texmaker/default.nix
index 0b78ff54c35..28b04723eae 100644
--- a/pkgs/applications/editors/texmaker/default.nix
+++ b/pkgs/applications/editors/texmaker/default.nix
@@ -1,4 +1,4 @@
-{ lib, mkDerivation, fetchurl, qtbase, qtscript, qmake, zlib, pkgconfig, poppler }:
+{ lib, mkDerivation, fetchurl, qtbase, qtscript, qmake, zlib, pkg-config, poppler }:
 
 mkDerivation rec {
   pname = "texmaker";
@@ -10,7 +10,7 @@ mkDerivation rec {
   };
 
   buildInputs = [ qtbase qtscript poppler zlib ];
-  nativeBuildInputs = [ pkgconfig poppler qmake ];
+  nativeBuildInputs = [ pkg-config poppler qmake ];
   NIX_CFLAGS_COMPILE="-I${poppler.dev}/include/poppler";
 
   qmakeFlags = [
diff --git a/pkgs/applications/editors/texstudio/default.nix b/pkgs/applications/editors/texstudio/default.nix
index 101c9bc59f9..988e32ae712 100644
--- a/pkgs/applications/editors/texstudio/default.nix
+++ b/pkgs/applications/editors/texstudio/default.nix
@@ -1,5 +1,5 @@
 { lib, mkDerivation, fetchFromGitHub, qmake, qtbase, qtscript, qtsvg,
-  wrapQtAppsHook, poppler, zlib, pkgconfig }:
+  wrapQtAppsHook, poppler, zlib, pkg-config }:
 
 mkDerivation rec {
   pname = "texstudio";
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "05q70wbdaldhrlapss4agmvz1cwqd229nd5amkj069v1wxrkvpb7";
   };
 
-  nativeBuildInputs = [ qmake wrapQtAppsHook pkgconfig ];
+  nativeBuildInputs = [ qmake wrapQtAppsHook pkg-config ];
   buildInputs = [ qtbase qtscript qtsvg poppler zlib ];
 
   qmakeFlags = [ "NO_APPDATA=True" ];
diff --git a/pkgs/applications/editors/textadept/10/default.nix b/pkgs/applications/editors/textadept/10/default.nix
index 4450fe77d18..9d86bdc4c5b 100644
--- a/pkgs/applications/editors/textadept/10/default.nix
+++ b/pkgs/applications/editors/textadept/10/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchhg, fetchurl, gtk2, glib, pkgconfig, unzip, ncurses, zip }:
+{ lib, stdenv, fetchhg, fetchurl, gtk2, glib, pkg-config, unzip, ncurses, zip }:
 
 stdenv.mkDerivation rec {
   version = "10.8";
   pname = "textadept";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gtk2 ncurses glib unzip zip
   ];
diff --git a/pkgs/applications/editors/textadept/11/default.nix b/pkgs/applications/editors/textadept/11/default.nix
index 017a2970c30..a0037ca6c2b 100644
--- a/pkgs/applications/editors/textadept/11/default.nix
+++ b/pkgs/applications/editors/textadept/11/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchhg, fetchFromGitHub, fetchurl, gtk2, glib, pkgconfig, unzip, ncurses, zip }:
+{ lib, stdenv, fetchhg, fetchFromGitHub, fetchurl, gtk2, glib, pkg-config, unzip, ncurses, zip }:
 
 stdenv.mkDerivation rec {
   version = "11.0_beta";
   pname = "textadept11";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gtk2 ncurses glib unzip zip
   ];
diff --git a/pkgs/applications/editors/tiled/default.nix b/pkgs/applications/editors/tiled/default.nix
index b58f5da6a96..f5306e75a56 100644
--- a/pkgs/applications/editors/tiled/default.nix
+++ b/pkgs/applications/editors/tiled/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, pkgconfig, qmake
+{ lib, stdenv, mkDerivation, fetchFromGitHub, pkg-config, qmake
 , python, qtbase, qttools }:
 
 mkDerivation rec {
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "0n8p7bp5pqq72c65av3v7wbazwphh78pw27nqvpiyp9y8k5w4pg0";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [ python qtbase qttools ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/editors/vim/configurable.nix b/pkgs/applications/editors/vim/configurable.nix
index eb015550c39..e611e486288 100644
--- a/pkgs/applications/editors/vim/configurable.nix
+++ b/pkgs/applications/editors/vim/configurable.nix
@@ -1,4 +1,4 @@
-{ source ? "default", callPackage, lib, stdenv, ncurses, pkgconfig, gettext
+{ source ? "default", callPackage, lib, stdenv, ncurses, pkg-config, gettext
 , writeText, config, glib, gtk2-x11, gtk3-x11, lua, python3, perl, tcl, ruby
 , libX11, libXext, libSM, libXpm, libXt, libXaw, libXau, libXmu
 , libICE
@@ -119,7 +119,7 @@ in stdenv.mkDerivation rec {
   ++ lib.optional ximSupport          "--enable-xim";
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ]
   ++ lib.optional wrapPythonDrv makeWrapper
   ++ lib.optional nlsSupport gettext
diff --git a/pkgs/applications/editors/vim/default.nix b/pkgs/applications/editors/vim/default.nix
index 9b141992435..48e1369c8c3 100644
--- a/pkgs/applications/editors/vim/default.nix
+++ b/pkgs/applications/editors/vim/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, callPackage, ncurses, gettext, pkgconfig
+{ lib, stdenv, fetchurl, callPackage, ncurses, gettext, pkg-config
 # default vimrc
 , vimrc ? fetchurl {
     name = "default-vimrc";
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   inherit (common) version src postPatch hardeningDisable enableParallelBuilding meta;
 
-  nativeBuildInputs = [ gettext pkgconfig ];
+  nativeBuildInputs = [ gettext pkg-config ];
   buildInputs = [ ncurses ]
     ++ lib.optionals stdenv.hostPlatform.isDarwin [ Carbon Cocoa ];
 
diff --git a/pkgs/applications/editors/vim/macvim.nix b/pkgs/applications/editors/vim/macvim.nix
index e950e7685ef..c71f057fe0f 100644
--- a/pkgs/applications/editors/vim/macvim.nix
+++ b/pkgs/applications/editors/vim/macvim.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, runCommand, ncurses, gettext
-, pkgconfig, cscope, ruby, tcl, perl, luajit
+, pkg-config, cscope, ruby, tcl, perl, luajit
 , darwin
 
 , usePython27 ? false
@@ -38,7 +38,7 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig buildSymlinks ];
+  nativeBuildInputs = [ pkg-config buildSymlinks ];
   buildInputs = [
     gettext ncurses cscope luajit ruby tcl perl python.pkg
   ];
diff --git a/pkgs/applications/editors/vis/default.nix b/pkgs/applications/editors/vis/default.nix
index f1211269234..9a020233f3b 100644
--- a/pkgs/applications/editors/vis/default.nix
+++ b/pkgs/applications/editors/vis/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, makeWrapper, makeDesktopItem
+{ lib, stdenv, fetchFromGitHub, pkg-config, makeWrapper, makeDesktopItem
 , ncurses, libtermkey, lpeg, lua
 , acl ? null, libselinux ? null
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     owner = "martanne";
   };
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
 
   buildInputs = [
     ncurses
diff --git a/pkgs/applications/gis/grass/default.nix b/pkgs/applications/gis/grass/default.nix
index 414c08d27f9..65f42d7c53f 100644
--- a/pkgs/applications/gis/grass/default.nix
+++ b/pkgs/applications/gis/grass/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, flex, bison, pkgconfig, zlib, libtiff, libpng, fftw
+{ stdenv, fetchFromGitHub, flex, bison, pkg-config, zlib, libtiff, libpng, fftw
 , cairo, readline, ffmpeg_3, makeWrapper, wxGTK30, netcdf, blas
 , proj, gdal, geos, sqlite, postgresql, libmysqlclient, python2Packages, libLAS, proj-datumgrid
 }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "1amjk9rz7vw5ha7nyl5j2bfwj5if9w62nlwx5qbp1x7spldimlll";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ flex bison zlib proj gdal libtiff libpng fftw sqlite cairo proj
   readline ffmpeg_3 makeWrapper wxGTK30 netcdf geos postgresql libmysqlclient blas
   libLAS proj-datumgrid ]
diff --git a/pkgs/applications/graphics/ImageMagick/7.0.nix b/pkgs/applications/graphics/ImageMagick/7.0.nix
index 9d52046ba0c..ee608b7538f 100644
--- a/pkgs/applications/graphics/ImageMagick/7.0.nix
+++ b/pkgs/applications/graphics/ImageMagick/7.0.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libtool
+{ lib, stdenv, fetchFromGitHub, pkg-config, libtool
 , bzip2, zlib, libX11, libXext, libXt, fontconfig, freetype, ghostscript, libjpeg, djvulibre
 , lcms2, openexr, libpng, librsvg, libtiff, libxml2, openjpeg, libwebp, libheif
 , ApplicationServices
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
       [ "--enable-static" "--disable-shared" ] # due to libxml2 being without DLLs ATM
     ;
 
-  nativeBuildInputs = [ pkgconfig libtool ];
+  nativeBuildInputs = [ pkg-config libtool ];
 
   buildInputs =
     [ zlib fontconfig freetype ghostscript
@@ -72,7 +72,7 @@ stdenv.mkDerivation {
     moveToOutput "lib/ImageMagick-*/config-Q16HDRI" "$dev" # includes configure params
     for file in "$dev"/bin/*-config; do
       substituteInPlace "$file" --replace pkg-config \
-        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config'"
+        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config'"
     done
   '' + lib.optionalString (ghostscript != null) ''
     for la in $out/lib/*.la; do
diff --git a/pkgs/applications/graphics/ImageMagick/default.nix b/pkgs/applications/graphics/ImageMagick/default.nix
index 42f157e5313..ad559a6f216 100644
--- a/pkgs/applications/graphics/ImageMagick/default.nix
+++ b/pkgs/applications/graphics/ImageMagick/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, libtool
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, libtool
 , bzip2, zlib, libX11, libXext, libXt, fontconfig, freetype, ghostscript, libjpeg, djvulibre
 , lcms2, openexr, libpng, librsvg, libtiff, libxml2, openjpeg, libwebp, fftw, libheif, libde265
 , ApplicationServices
@@ -62,7 +62,7 @@ stdenv.mkDerivation {
       [ "--enable-static" "--disable-shared" ] # due to libxml2 being without DLLs ATM
     ;
 
-  nativeBuildInputs = [ pkgconfig libtool ];
+  nativeBuildInputs = [ pkg-config libtool ];
 
   buildInputs =
     [ zlib fontconfig freetype ghostscript
@@ -85,10 +85,10 @@ stdenv.mkDerivation {
     moveToOutput "bin/*-config" "$dev"
     moveToOutput "lib/ImageMagick-*/config-Q16" "$dev" # includes configure params
     for file in "$dev"/bin/*-config; do
-      substituteInPlace "$file" --replace "${pkgconfig}/bin/pkg-config -config" \
-        ${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config
-      substituteInPlace "$file" --replace ${pkgconfig}/bin/pkg-config \
-        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config'"
+      substituteInPlace "$file" --replace "${pkg-config}/bin/pkg-config -config" \
+        ${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config
+      substituteInPlace "$file" --replace ${pkg-config}/bin/pkg-config \
+        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config'"
     done
   '' + lib.optionalString (ghostscript != null) ''
     for la in $out/lib/*.la; do
diff --git a/pkgs/applications/graphics/ahoviewer/default.nix b/pkgs/applications/graphics/ahoviewer/default.nix
index ec146767a6a..0a611515b0d 100644
--- a/pkgs/applications/graphics/ahoviewer/default.nix
+++ b/pkgs/applications/graphics/ahoviewer/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchFromGitHub, pkgconfig, libconfig
+{ config, lib, stdenv, fetchFromGitHub, pkg-config, libconfig
 , gtkmm2, glibmm, libxml2, libsecret, curl, libzip
 , librsvg, gst_all_1, autoreconfHook, makeWrapper
 , useUnrar ? config.ahoviewer.useUnrar or false, unrar
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig makeWrapper ];
+  nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper ];
   buildInputs = [
     glibmm libconfig gtkmm2 glibmm libxml2
     libsecret curl libzip librsvg
diff --git a/pkgs/applications/graphics/akira/default.nix b/pkgs/applications/graphics/akira/default.nix
index 4d0cc46bb59..c2d8a4bda35 100644
--- a/pkgs/applications/graphics/akira/default.nix
+++ b/pkgs/applications/graphics/akira/default.nix
@@ -6,7 +6,7 @@
 , meson
 , ninja
 , pantheon
-, pkgconfig
+, pkg-config
 , python3
 , vala
 , vala-lint
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     vala-lint
diff --git a/pkgs/applications/graphics/autotrace/default.nix b/pkgs/applications/graphics/autotrace/default.nix
index 5e8e1e63344..e3b966353ff 100644
--- a/pkgs/applications/graphics/autotrace/default.nix
+++ b/pkgs/applications/graphics/autotrace/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, callPackage, libpng12, imagemagick
-, autoreconfHook, glib, pstoedit, pkgconfig, gettext, gd, darwin
+, autoreconfHook, glib, pstoedit, pkg-config, gettext, gd, darwin
 , runtimeShell }:
 
 # TODO: Figure out why the resultant binary is somehow linked against
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   #'';
 
   autofig = callPackage ./autofig.nix {};
-  nativeBuildInputs = [ autoreconfHook glib autofig pkgconfig gettext ];
+  nativeBuildInputs = [ autoreconfHook glib autofig pkg-config gettext ];
   buildInputs = [ libpng12 imagemagick pstoedit ]
     ++ lib.optionals stdenv.isDarwin
        (with darwin.apple_sdk.frameworks; [ gd ApplicationServices ]);
diff --git a/pkgs/applications/graphics/darktable/default.nix b/pkgs/applications/graphics/darktable/default.nix
index 550b23173fc..0f47b87d4ac 100644
--- a/pkgs/applications/graphics/darktable/default.nix
+++ b/pkgs/applications/graphics/darktable/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, libsoup, graphicsmagick, json-glib, wrapGAppsHook
 , cairo, cmake, ninja, curl, perl, llvm, desktop-file-utils, exiv2, glib
 , ilmbase, gtk3, intltool, lcms2, lensfun, libX11, libexif, libgphoto2, libjpeg
-, libpng, librsvg, libtiff, openexr, osm-gps-map, pkgconfig, sqlite, libxslt
+, libpng, librsvg, libtiff, openexr, osm-gps-map, pkg-config, sqlite, libxslt
 , openjpeg, lua, pugixml, colord, colord-gtk, libwebp, libsecret, gnome3
 , ocl-icd, pcre, gtk-mac-integration, isocodes, llvmPackages
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "6dd3de1f5ea9f94af92838c0be5ff30fdaa599aa1d737dcb562f9e0b2b2dbdda";
   };
 
-  nativeBuildInputs = [ cmake ninja llvm pkgconfig intltool perl desktop-file-utils wrapGAppsHook ];
+  nativeBuildInputs = [ cmake ninja llvm pkg-config intltool perl desktop-file-utils wrapGAppsHook ];
 
   buildInputs = [
     cairo curl exiv2 glib gtk3 ilmbase lcms2 lensfun libexif
diff --git a/pkgs/applications/graphics/dia/default.nix b/pkgs/applications/graphics/dia/default.nix
index 2648828cfdc..6fe8aed8f67 100644
--- a/pkgs/applications/graphics/dia/default.nix
+++ b/pkgs/applications/graphics/dia/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, autoconf, automake, libtool, gtk2, pkgconfig, perlPackages,
+{ lib, stdenv, fetchgit, autoconf, automake, libtool, gtk2, pkg-config, perlPackages,
 libxml2, gettext, python, libxml2Python, docbook5, docbook_xsl,
 libxslt, intltool, libart_lgpl, withGNOME ? false, libgnomeui,
 gtk-mac-integration-gtk2 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
       ++ lib.optional withGNOME libgnomeui
       ++ lib.optional stdenv.isDarwin gtk-mac-integration-gtk2;
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig intltool ]
+  nativeBuildInputs = [ autoconf automake libtool pkg-config intltool ]
     ++ (with perlPackages; [ perl XMLParser ]);
 
   preConfigure = ''
diff --git a/pkgs/applications/graphics/displaycal/default.nix b/pkgs/applications/graphics/displaycal/default.nix
index 9437d04108c..d1cee064aee 100644
--- a/pkgs/applications/graphics/displaycal/default.nix
+++ b/pkgs/applications/graphics/displaycal/default.nix
@@ -1,7 +1,7 @@
 { python2
 , lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , libXext
 , libXxf86vm
 , libX11
@@ -38,7 +38,7 @@ in buildPythonApplication rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
 
   preConfigure = ''
diff --git a/pkgs/applications/graphics/djview/default.nix b/pkgs/applications/graphics/djview/default.nix
index 1b475df92a6..ef100e5f7bd 100644
--- a/pkgs/applications/graphics/djview/default.nix
+++ b/pkgs/applications/graphics/djview/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , mkDerivation
 , fetchurl
-, pkgconfig
+, pkg-config
 , djvulibre
 , qtbase
 , qttools
@@ -20,7 +20,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     qttools
   ];
 
diff --git a/pkgs/applications/graphics/drawing/default.nix b/pkgs/applications/graphics/drawing/default.nix
index a0d28689ae7..0feb72f64aa 100644
--- a/pkgs/applications/graphics/drawing/default.nix
+++ b/pkgs/applications/graphics/drawing/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , gtk3
 , appstream-glib
@@ -34,7 +34,7 @@ python3.pkgs.buildPythonApplication rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     glib
     gettext
diff --git a/pkgs/applications/graphics/epeg/default.nix b/pkgs/applications/graphics/epeg/default.nix
index 75f1fb9acd1..942a6d63bd5 100644
--- a/pkgs/applications/graphics/epeg/default.nix
+++ b/pkgs/applications/graphics/epeg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libtool, autoconf, automake
+{ lib, stdenv, fetchFromGitHub, pkg-config, libtool, autoconf, automake
 , libjpeg, libexif
 }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig libtool autoconf automake ];
+  nativeBuildInputs = [ pkg-config libtool autoconf automake ];
 
   propagatedBuildInputs = [ libjpeg libexif ];
 
diff --git a/pkgs/applications/graphics/exrdisplay/default.nix b/pkgs/applications/graphics/exrdisplay/default.nix
index 12e4ec4496d..c31c1407da7 100644
--- a/pkgs/applications/graphics/exrdisplay/default.nix
+++ b/pkgs/applications/graphics/exrdisplay/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, fltk, openexr, libGLU, libGL, ctl }:
+{ lib, stdenv, fetchurl, pkg-config, fltk, openexr, libGLU, libGL, ctl }:
 
 stdenv.mkDerivation {
   name ="openexr_viewers-2.2.1";
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     make LDFLAGS="`fltk-config --ldflags` -lGL -lfltk_gl"
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openexr fltk libGLU libGL ctl ];
 
   meta = {
diff --git a/pkgs/applications/graphics/exrtools/default.nix b/pkgs/applications/graphics/exrtools/default.nix
index c50b6d0c2ad..1985176765f 100644
--- a/pkgs/applications/graphics/exrtools/default.nix
+++ b/pkgs/applications/graphics/exrtools/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, openexr, libpng12, libjpeg }:
+{ lib, stdenv, fetchurl, pkg-config, openexr, libpng12, libjpeg }:
 
 stdenv.mkDerivation rec {
   pname = "exrtools";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jpkskqs1yjiighab4s91jy0c0qxcscwadfn94xy2mm2bx2qwp4z";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ stdenv openexr libpng12 libjpeg ];
 
   meta = with lib; {
diff --git a/pkgs/applications/graphics/fbida/default.nix b/pkgs/applications/graphics/fbida/default.nix
index 4754cc1a024..9ed6ee75159 100644
--- a/pkgs/applications/graphics/fbida/default.nix
+++ b/pkgs/applications/graphics/fbida/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libjpeg, libexif, libungif, libtiff, libpng, libwebp, libdrm
-, pkgconfig, freetype, fontconfig, which, imagemagick, curl, sane-backends, libXpm
+, pkg-config, freetype, fontconfig, which, imagemagick, curl, sane-backends, libXpm
 , epoxy, poppler, mesa, lirc }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f242mix20rgsqz1llibhsz4r2pbvx6k32rmky0zjvnbaqaw1dwm";
   };
 
-  nativeBuildInputs = [ pkgconfig which ];
+  nativeBuildInputs = [ pkg-config which ];
   buildInputs = [
     libexif libjpeg libpng libungif freetype fontconfig libtiff libwebp
     imagemagick curl sane-backends libdrm libXpm epoxy poppler lirc
diff --git a/pkgs/applications/graphics/fondo/default.nix b/pkgs/applications/graphics/fondo/default.nix
index 6aa84846f3a..49e8fee513d 100644
--- a/pkgs/applications/graphics/fondo/default.nix
+++ b/pkgs/applications/graphics/fondo/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , pantheon
 , vala
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , python3
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/graphics/freecad/default.nix b/pkgs/applications/graphics/freecad/default.nix
index ebf8b9ee606..3563220f2b8 100644
--- a/pkgs/applications/graphics/freecad/default.nix
+++ b/pkgs/applications/graphics/freecad/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, mkDerivation, fetchFromGitHub, fetchpatch, cmake, ninja, coin3d,
 xercesc, ode, eigen, qtbase, qttools, qtwebengine, qtxmlpatterns, wrapQtAppsHook,
 opencascade-occt, gts, hdf5, vtk, medfile, zlib, python3Packages, swig,
-gfortran, libXmu, soqt, libf2c, libGLU, makeWrapper, pkgconfig, mpi ? null }:
+gfortran, libXmu, soqt, libf2c, libGLU, makeWrapper, pkg-config, mpi ? null }:
 
 assert mpi != null;
 
@@ -21,7 +21,7 @@ in mkDerivation rec {
   nativeBuildInputs = [
     cmake
     ninja
-    pkgconfig
+    pkg-config
     pythonPackages.pyside2-tools
     wrapQtAppsHook
   ];
diff --git a/pkgs/applications/graphics/gcolor2/default.nix b/pkgs/applications/graphics/gcolor2/default.nix
index 34391754e7f..0e79f981fbc 100644
--- a/pkgs/applications/graphics/gcolor2/default.nix
+++ b/pkgs/applications/graphics/gcolor2/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, gtk2, perlPackages, pkgconfig } :
+{lib, stdenv, fetchurl, gtk2, perlPackages, pkg-config } :
 
 let version = "0.4"; in
 stdenv.mkDerivation {
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
         [ ./gcolor2-amd64.patch ] else
         [ ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 ]
     ++ (with perlPackages; [ perl XMLParser ]);
 
diff --git a/pkgs/applications/graphics/geeqie/default.nix b/pkgs/applications/graphics/geeqie/default.nix
index f107d492434..ff1df143141 100644
--- a/pkgs/applications/graphics/geeqie/default.nix
+++ b/pkgs/applications/graphics/geeqie/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, autoconf, automake, gettext, intltool
+{ lib, stdenv, fetchurl, pkg-config, autoconf, automake, gettext, intltool
 , gtk3, lcms2, exiv2, libchamplain, clutter-gtk, ffmpegthumbnailer, fbida
 , wrapGAppsHook, fetchpatch
 }:
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   preConfigure = "./autogen.sh";
 
-  nativeBuildInputs = [ pkgconfig autoconf automake gettext intltool
+  nativeBuildInputs = [ pkg-config autoconf automake gettext intltool
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/graphics/gimp/default.nix b/pkgs/applications/graphics/gimp/default.nix
index 4ba7cb8eb03..62f1a362771 100644
--- a/pkgs/applications/graphics/gimp/default.nix
+++ b/pkgs/applications/graphics/gimp/default.nix
@@ -3,7 +3,7 @@
 , fetchurl
 , substituteAll
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , intltool
 , babl
 , gegl
@@ -76,7 +76,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook # hardcode-plugin-interpreters.patch changes Makefile.am
-    pkgconfig
+    pkg-config
     intltool
     gettext
     makeWrapper
diff --git a/pkgs/applications/graphics/glabels/default.nix b/pkgs/applications/graphics/glabels/default.nix
index 37387e2a720..33337739364 100644
--- a/pkgs/applications/graphics/glabels/default.nix
+++ b/pkgs/applications/graphics/glabels/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl, barcode, gnome3, autoreconfHook
 , gtk3, gtk-doc, libxml2, librsvg , libtool, libe-book, gsettings-desktop-schemas
-, intltool, itstool, makeWrapper, pkgconfig, yelp-tools
+, intltool, itstool, makeWrapper, pkg-config, yelp-tools
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f2rki8i27pkd9r0gz03cdl1g4vnmvp0j49nhxqn275vi8lmgr0q";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig makeWrapper intltool ];
+  nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper intltool ];
   buildInputs = [
     barcode gtk3 gtk-doc yelp-tools
     gnome3.gnome-common gsettings-desktop-schemas
diff --git a/pkgs/applications/graphics/gnome-photos/default.nix b/pkgs/applications/graphics/gnome-photos/default.nix
index b2923143017..a710d6c1e47 100644
--- a/pkgs/applications/graphics/gnome-photos/default.nix
+++ b/pkgs/applications/graphics/gnome-photos/default.nix
@@ -27,7 +27,7 @@
 , meson
 , ninja
 , nixosTests
-, pkgconfig
+, pkg-config
 , python3
 , tracker
 , tracker-miners
@@ -73,7 +73,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     (python3.withPackages (pkgs: with pkgs; [
       dogtail
       pygobject3
diff --git a/pkgs/applications/graphics/gnuclad/default.nix b/pkgs/applications/graphics/gnuclad/default.nix
index e4a82703feb..a1b4accc8d5 100644
--- a/pkgs/applications/graphics/gnuclad/default.nix
+++ b/pkgs/applications/graphics/gnuclad/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, pkgconfig
+{ stdenv, lib, fetchurl, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = "-Wno-error=catch-value";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     homepage = "https://launchpad.net/gnuclad";
diff --git a/pkgs/applications/graphics/goxel/default.nix b/pkgs/applications/graphics/goxel/default.nix
index ec51e077c56..64ea533eefd 100644
--- a/pkgs/applications/graphics/goxel/default.nix
+++ b/pkgs/applications/graphics/goxel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, scons, pkgconfig, wrapGAppsHook
+{ lib, stdenv, fetchFromGitHub, scons, pkg-config, wrapGAppsHook
 , glfw3, gtk3, libpng12 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./disable-imgui_ini.patch ];
 
-  nativeBuildInputs = [ scons pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ scons pkg-config wrapGAppsHook ];
   buildInputs = [ glfw3 gtk3 libpng12 ];
   NIX_LDFLAGS = "-lpthread";
 
diff --git a/pkgs/applications/graphics/gpicview/default.nix b/pkgs/applications/graphics/gpicview/default.nix
index e686aa4f359..b661ba562f9 100644
--- a/pkgs/applications/graphics/gpicview/default.nix
+++ b/pkgs/applications/graphics/gpicview/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, pkgconfig, gtk2, fetchpatch }:
+{ lib, stdenv, fetchurl, intltool, pkg-config, gtk2, fetchpatch }:
 
 stdenv.mkDerivation {
   name = "gpicview-0.2.4";
@@ -24,6 +24,6 @@ stdenv.mkDerivation {
     platforms   = platforms.unix;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool gtk2 ];
 }
diff --git a/pkgs/applications/graphics/gqview/default.nix b/pkgs/applications/graphics/gqview/default.nix
index 6ea67e33212..39f7a42b3b3 100644
--- a/pkgs/applications/graphics/gqview/default.nix
+++ b/pkgs/applications/graphics/gqview/default.nix
@@ -1,6 +1,6 @@
-{lib, stdenv, fetchurl, pkgconfig, gtk2, libpng}:
+{lib, stdenv, fetchurl, pkg-config, gtk2, libpng}:
 
-assert pkgconfig != null && gtk2 != null && libpng != null;
+assert pkg-config != null && gtk2 != null && libpng != null;
 # Note that we cannot just copy gtk's png attribute, since gtk might
 # not be linked against png.
 # !!! assert libpng == gtk2.libpng;
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "0ilm5s7ps9kg4f5hzgjhg0xhn6zg0v9i7jnd67zrx9h7wsaa9zhj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 libpng];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/graphics/grafx2/default.nix b/pkgs/applications/graphics/grafx2/default.nix
index 961cc7e49f7..3529f827b4a 100644
--- a/pkgs/applications/graphics/grafx2/default.nix
+++ b/pkgs/applications/graphics/grafx2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, SDL, SDL_image, SDL_ttf, zlib, libpng, pkgconfig, lua5 }:
+{ lib, stdenv, fetchurl, SDL, SDL_image, SDL_ttf, zlib, libpng, pkg-config, lua5 }:
 
 stdenv.mkDerivation rec {
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0svsy6rqmdj11b400c242i2ixihyz0hds0dgicqz6g6dcgmcl62q";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL SDL_image SDL_ttf libpng zlib lua5 ];
 
   preBuild = "cd src";
diff --git a/pkgs/applications/graphics/gthumb/default.nix b/pkgs/applications/graphics/gthumb/default.nix
index 538e665be25..cefb9c03dc0 100644
--- a/pkgs/applications/graphics/gthumb/default.nix
+++ b/pkgs/applications/graphics/gthumb/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , fetchpatch
 , gnome3
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , exiv2
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     itstool
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/graphics/guetzli/default.nix b/pkgs/applications/graphics/guetzli/default.nix
index d888e55ed3d..9f2f050441f 100644
--- a/pkgs/applications/graphics/guetzli/default.nix
+++ b/pkgs/applications/graphics/guetzli/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, libpng, fetchFromGitHub, pkgconfig }:
+{ lib, stdenv, libpng, fetchFromGitHub, pkg-config }:
 let
   version = "1.0.1";
 in
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     rev = "v${version}";
     sha256 = "1wy9wfvyradp0aigfv8yijvj0dgb5kpq2yf2xki15f605jc1r5dm";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libpng ];
 
   installPhase = ''
diff --git a/pkgs/applications/graphics/hugin/default.nix b/pkgs/applications/graphics/hugin/default.nix
index 17d1dc32676..f7f1e17be22 100644
--- a/pkgs/applications/graphics/hugin/default.nix
+++ b/pkgs/applications/graphics/hugin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, cmake, fetchurl, gnumake, makeWrapper, pkgconfig, fetchpatch
+{ lib, stdenv, cmake, fetchurl, gnumake, makeWrapper, pkg-config, fetchpatch
 , autopanosiftc, boost, cairo, enblend-enfuse, exiv2, fftw, flann, gettext
 , glew, ilmbase, lcms2, lensfun, libjpeg, libpng, libtiff, libX11, libXi
 , libXmu, libGLU, libGL, openexr, panotools, perlPackages, sqlite, vigra, wxGTK, zlib
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     wxGTK zlib
   ];
 
-  nativeBuildInputs = [ cmake makeWrapper pkgconfig ];
+  nativeBuildInputs = [ cmake makeWrapper pkg-config ];
 
   # disable installation of the python scripting interface
   cmakeFlags = [ "-DBUILD_HSI:BOOl=OFF" ];
diff --git a/pkgs/applications/graphics/ideogram/default.nix b/pkgs/applications/graphics/ideogram/default.nix
index fbee1d5b0e8..f78170fde34 100644
--- a/pkgs/applications/graphics/ideogram/default.nix
+++ b/pkgs/applications/graphics/ideogram/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , fetchpatch
 , vala
-, pkgconfig
+, pkg-config
 , python3
 , glib
 , gtk3
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/graphics/imv/default.nix b/pkgs/applications/graphics/imv/default.nix
index 067abb785b4..3f6a27cbc76 100644
--- a/pkgs/applications/graphics/imv/default.nix
+++ b/pkgs/applications/graphics/imv/default.nix
@@ -8,7 +8,7 @@
 , fontconfig
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , icu
 , pango
 , inih
@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
     libxslt
     meson
     ninja
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/ipe/default.nix b/pkgs/applications/graphics/ipe/default.nix
index 161260bcea9..2c9430ded73 100644
--- a/pkgs/applications/graphics/ipe/default.nix
+++ b/pkgs/applications/graphics/ipe/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkgconfig, zlib, freetype, cairo, lua5, texlive, ghostscript
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, zlib, freetype, cairo, lua5, texlive, ghostscript
 , libjpeg, libpng, qtbase, mkDerivation
 }:
 
@@ -20,7 +20,7 @@ mkDerivation rec {
     libjpeg libpng zlib qtbase freetype cairo lua5 texlive ghostscript
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   qtWrapperArgs = [ ''--prefix PATH : ${texlive}/bin''  ];
 
diff --git a/pkgs/applications/graphics/k3d/default.nix b/pkgs/applications/graphics/k3d/default.nix
index c333ecaa99f..99e56738dbf 100644
--- a/pkgs/applications/graphics/k3d/default.nix
+++ b/pkgs/applications/graphics/k3d/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch, ftgl, glew, asciidoc
 , cmake, ninja, libGLU, libGL, zlib, python, expat, libxml2, libsigcxx, libuuid, freetype
-, libpng, boost, doxygen, cairomm, pkgconfig, libjpeg, libtiff
+, libpng, boost, doxygen, cairomm, pkg-config, libjpeg, libtiff
 , gettext, intltool, perl, gtkmm2, glibmm, gtkglext, libXmu }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     export LD_LIBRARY_PATH="$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/build/lib"
   '';
 
-  nativeBuildInputs = [ cmake ninja gettext intltool doxygen pkgconfig perl asciidoc ];
+  nativeBuildInputs = [ cmake ninja gettext intltool doxygen pkg-config perl asciidoc ];
 
   buildInputs = [
      libGLU libGL zlib python expat libxml2 libsigcxx libuuid freetype libpng
diff --git a/pkgs/applications/graphics/kgraphviewer/default.nix b/pkgs/applications/graphics/kgraphviewer/default.nix
index 4f3e08bf7b0..283ed117954 100644
--- a/pkgs/applications/graphics/kgraphviewer/default.nix
+++ b/pkgs/applications/graphics/kgraphviewer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchurl, cmake, extra-cmake-modules, pkgconfig, wrapGAppsHook
+{ lib, stdenv, mkDerivation, fetchurl, cmake, extra-cmake-modules, pkg-config, wrapGAppsHook
 , kconfig, kinit, kdoctools, kio, kparts, kwidgetsaddons
 , qtbase, qtsvg
 , boost, graphviz
@@ -19,7 +19,7 @@ mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    cmake extra-cmake-modules pkgconfig wrapGAppsHook
+    cmake extra-cmake-modules pkg-config wrapGAppsHook
     kdoctools
   ];
 
diff --git a/pkgs/applications/graphics/ktikz/default.nix b/pkgs/applications/graphics/ktikz/default.nix
index 1872d976f8e..7cdf32cc8e7 100644
--- a/pkgs/applications/graphics/ktikz/default.nix
+++ b/pkgs/applications/graphics/ktikz/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
-, pkgconfig, wrapQtAppsHook
+, pkg-config, wrapQtAppsHook
 , poppler, gnuplot
 , qmake, qtbase, qttools
 }:
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig qttools qmake wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config qttools qmake wrapQtAppsHook ];
   QT_PLUGIN_PATH = "${qtbase}/${qtbase.qtPluginPrefix}";
 
   buildInputs = [ qtbase poppler ];
diff --git a/pkgs/applications/graphics/luminance-hdr/default.nix b/pkgs/applications/graphics/luminance-hdr/default.nix
index 9b1dbe53795..36154af137b 100644
--- a/pkgs/applications/graphics/luminance-hdr/default.nix
+++ b/pkgs/applications/graphics/luminance-hdr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, cmake, fetchFromGitHub, pkgconfig
+{ lib, stdenv, mkDerivation, cmake, fetchFromGitHub, pkg-config
 , boost, exiv2, fftwFloat, gsl
 , ilmbase, lcms2, libraw, libtiff, openexr
 , qtbase, qtdeclarative, qttools, qtwebengine, eigen
@@ -22,7 +22,7 @@ mkDerivation rec {
     boost exiv2 fftwFloat gsl ilmbase lcms2 libraw libtiff openexr
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   meta = with lib; {
     homepage = "http://qtpfsgui.sourceforge.net/";
diff --git a/pkgs/applications/graphics/mozjpeg/default.nix b/pkgs/applications/graphics/mozjpeg/default.nix
index 5bc67a8c63b..af6b812e1e5 100644
--- a/pkgs/applications/graphics/mozjpeg/default.nix
+++ b/pkgs/applications/graphics/mozjpeg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, libpng, nasm }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, libpng, nasm }:
 
 stdenv.mkDerivation rec {
   version = "3.3.1";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1na68860asn8b82ny5ilwbhh4nyl9gvx2yxmm4wr2v1v95v51fky";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libpng nasm ];
 
   meta = {
diff --git a/pkgs/applications/graphics/mypaint/default.nix b/pkgs/applications/graphics/mypaint/default.nix
index 3b030a1eb57..9da9c20942e 100644
--- a/pkgs/applications/graphics/mypaint/default.nix
+++ b/pkgs/applications/graphics/mypaint/default.nix
@@ -11,7 +11,7 @@
 , hicolor-icon-theme
 , mypaint-brushes
 , gdk-pixbuf
-, pkgconfig
+, pkg-config
 , python3
 , swig
 , wrapGAppsHook
@@ -33,7 +33,7 @@ in buildPythonApplication rec {
 
   nativeBuildInputs = [
     gettext
-    pkgconfig
+    pkg-config
     swig
     wrapGAppsHook
     gobject-introspection # for setup hook
diff --git a/pkgs/applications/graphics/nomacs/default.nix b/pkgs/applications/graphics/nomacs/default.nix
index 73a4d631acb..8a3e41965ff 100644
--- a/pkgs/applications/graphics/nomacs/default.nix
+++ b/pkgs/applications/graphics/nomacs/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , fetchpatch
 , cmake
-, pkgconfig
+, pkg-config
 
 , qtbase
 , qttools
@@ -32,7 +32,7 @@ mkDerivation rec {
   '';
 
   nativeBuildInputs = [cmake
-                       pkgconfig];
+                       pkg-config];
 
   buildInputs = [qtbase
                  qttools
diff --git a/pkgs/applications/graphics/openimageio/2.x.nix b/pkgs/applications/graphics/openimageio/2.x.nix
index b200b9be8cd..f5595da47ad 100644
--- a/pkgs/applications/graphics/openimageio/2.x.nix
+++ b/pkgs/applications/graphics/openimageio/2.x.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
     "-DUSE_PYTHON=OFF"
     "-DUSE_QT=OFF"
     # GNUInstallDirs
-    "-DCMAKE_INSTALL_LIBDIR=lib" # needs relative path for pkgconfig
+    "-DCMAKE_INSTALL_LIBDIR=lib" # needs relative path for pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/graphics/openscad/default.nix b/pkgs/applications/graphics/openscad/default.nix
index ad80d3a5404..c8950eba398 100644
--- a/pkgs/applications/graphics/openscad/default.nix
+++ b/pkgs/applications/graphics/openscad/default.nix
@@ -14,7 +14,7 @@
 , mpfr
 , gmp
 , glib
-, pkgconfig
+, pkg-config
 , harfbuzz
 , gettext
 , freetype
@@ -38,7 +38,7 @@ mkDerivation rec {
     sha256 = "1qz384jqgk75zxk7sqd22ma9pyd94kh4h6a207ldx7p9rny6vc5l";
   };
 
-  nativeBuildInputs = [ bison flex pkgconfig gettext qmake ];
+  nativeBuildInputs = [ bison flex pkg-config gettext qmake ];
 
   buildInputs = [
     eigen boost glew opencsg cgal mpfr gmp glib
diff --git a/pkgs/applications/graphics/opentoonz/default.nix b/pkgs/applications/graphics/opentoonz/default.nix
index d8a6a7c5f95..da5aa7bf6ef 100644
--- a/pkgs/applications/graphics/opentoonz/default.nix
+++ b/pkgs/applications/graphics/opentoonz/default.nix
@@ -1,5 +1,5 @@
 { boost, cmake, fetchFromGitHub, freeglut, freetype, glew, libjpeg, libmypaint
-, libpng, libtiff, libusb1, lz4, lzma, lzo, openblas, pkgconfig, qtbase
+, libpng, libtiff, libusb1, lz4, lzma, lzo, openblas, pkg-config, qtbase
 , qtmultimedia, qtscript, lib, stdenv, superlu, wrapQtAppsHook, }:
 let source = import ./source.nix { inherit fetchFromGitHub; };
 in stdenv.mkDerivation rec {
@@ -8,7 +8,7 @@ in stdenv.mkDerivation rec {
   pname = "opentoonz";
   version = source.versions.opentoonz;
 
-  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
 
   buildInputs = [
     boost
diff --git a/pkgs/applications/graphics/photivo/default.nix b/pkgs/applications/graphics/photivo/default.nix
index b44130c47ae..4acb50e200f 100644
--- a/pkgs/applications/graphics/photivo/default.nix
+++ b/pkgs/applications/graphics/photivo/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchhg, fetchpatch, cmake, qt4, fftw, graphicsmagick_q16,
-  lcms2, lensfun, pkgconfig, libjpeg, exiv2, liblqr1 }:
+  lcms2, lensfun, pkg-config, libjpeg, exiv2, liblqr1 }:
 
 stdenv.mkDerivation {
   name = "photivo-2014-01-25";
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
     sed '1i#include <math.h>' -i Sources/filters/ptFilter_StdCurve.cpp
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [ qt4 fftw graphicsmagick_q16 lcms2 lensfun libjpeg exiv2 liblqr1 ];
 
diff --git a/pkgs/applications/graphics/photoflow/default.nix b/pkgs/applications/graphics/photoflow/default.nix
index 436d6764c75..79a171d6fc3 100644
--- a/pkgs/applications/graphics/photoflow/default.nix
+++ b/pkgs/applications/graphics/photoflow/default.nix
@@ -20,7 +20,7 @@
 , ninja
 , openexr
 , pcre
-, pkgconfig
+, pkg-config
 , pugixml
 , lib, stdenv
 , swig
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     libxml2
     ninja
-    pkgconfig
+    pkg-config
     swig
   ];
 
diff --git a/pkgs/applications/graphics/pqiv/default.nix b/pkgs/applications/graphics/pqiv/default.nix
index 969a3bcb9d1..7948ef0f08c 100644
--- a/pkgs/applications/graphics/pqiv/default.nix
+++ b/pkgs/applications/graphics/pqiv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , ffmpeg_3, gtk3, imagemagick, libarchive, libspectre, libwebp, poppler
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation (rec {
     sha256 = "18nvrqmlifh4m8nfs0d19sb9d1l3a95xc89qxqdr881jcxdsgflw";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ffmpeg_3 gtk3 imagemagick libarchive libspectre libwebp poppler ];
 
   prePatch = "patchShebangs .";
diff --git a/pkgs/applications/graphics/qcomicbook/default.nix b/pkgs/applications/graphics/qcomicbook/default.nix
index 65ecaa90784..c4fc79c7fec 100644
--- a/pkgs/applications/graphics/qcomicbook/default.nix
+++ b/pkgs/applications/graphics/qcomicbook/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchFromGitHub, pkgconfig, cmake, qtbase, qttools, qtx11extras, poppler }:
+{ mkDerivation, lib, stdenv, fetchFromGitHub, pkg-config, cmake, qtbase, qttools, qtx11extras, poppler }:
 
 mkDerivation rec {
   pname = "qcomicbook";
@@ -12,7 +12,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake pkgconfig
+    cmake pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/qimgv/default.nix b/pkgs/applications/graphics/qimgv/default.nix
index 2b24a34fbc2..886a753ee2c 100644
--- a/pkgs/applications/graphics/qimgv/default.nix
+++ b/pkgs/applications/graphics/qimgv/default.nix
@@ -4,7 +4,7 @@
 , fetchpatch
 
 , cmake
-, pkgconfig
+, pkg-config
 
 , exiv2
 , mpv
@@ -27,7 +27,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/qiv/default.nix b/pkgs/applications/graphics/qiv/default.nix
index e0426de6fb6..acd9c576f73 100644
--- a/pkgs/applications/graphics/qiv/default.nix
+++ b/pkgs/applications/graphics/qiv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2, imlib2, file, lcms2, libexif } :
+{ lib, stdenv, fetchurl, pkg-config, gtk2, imlib2, file, lcms2, libexif } :
 
 stdenv.mkDerivation (rec {
   version = "2.3.2";
@@ -9,7 +9,7 @@ stdenv.mkDerivation (rec {
     sha256 = "1mc0f2nnas4q0d7zc9r6g4z93i32xlx0p9hl4fn5zkyml24a1q28";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 imlib2 file lcms2 libexif ];
 
   preBuild=''
diff --git a/pkgs/applications/graphics/rawtherapee/default.nix b/pkgs/applications/graphics/rawtherapee/default.nix
index 7f9f4167c64..7d1acc1dcd6 100644
--- a/pkgs/applications/graphics/rawtherapee/default.nix
+++ b/pkgs/applications/graphics/rawtherapee/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, cmake, pixman, libpthreadstubs, gtkmm3, libXau
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake, pixman, libpthreadstubs, gtkmm3, libXau
 , libXdmcp, lcms2, libiptcdata, libcanberra-gtk3, fftw, expat, pcre, libsigcxx, wrapGAppsHook
 , lensfun, librsvg
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d644s4grfia6f3k6y0byd5pwajr12kai2kc280yxi8v3w1b12ik";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapGAppsHook ];
 
   buildInputs = [
     pixman libpthreadstubs gtkmm3 libXau libXdmcp
diff --git a/pkgs/applications/graphics/renderdoc/default.nix b/pkgs/applications/graphics/renderdoc/default.nix
index f9e3662f1b8..b985ae7d571 100644
--- a/pkgs/applications/graphics/renderdoc/default.nix
+++ b/pkgs/applications/graphics/renderdoc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, mkDerivation
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, mkDerivation
 , qtbase, qtx11extras, qtsvg, makeWrapper
 , vulkan-loader, libglvnd, xorg, python3, python3Packages
 , bison, pcre, automake, autoconf, addOpenGLRunpath
@@ -28,7 +28,7 @@ mkDerivation rec {
   ]; # ++ (with pythonPackages; [pyside2 pyside2-tools shiboken2]);
   # TODO: figure out how to make cmake recognise pyside2
 
-  nativeBuildInputs = [ cmake makeWrapper pkgconfig bison pcre automake autoconf addOpenGLRunpath ];
+  nativeBuildInputs = [ cmake makeWrapper pkg-config bison pcre automake autoconf addOpenGLRunpath ];
 
   postUnpack = ''
     cp -r ${custom_swig} swig
diff --git a/pkgs/applications/graphics/sane/backends/generic.nix b/pkgs/applications/graphics/sane/backends/generic.nix
index 31ec8e8ddc7..88d47b58932 100644
--- a/pkgs/applications/graphics/sane/backends/generic.nix
+++ b/pkgs/applications/graphics/sane/backends/generic.nix
@@ -1,5 +1,5 @@
 { lib, stdenv
-, gettext, pkgconfig
+, gettext, pkg-config
 , avahi, libgphoto2, libieee1284, libjpeg, libpng, libtiff, libusb1, libv4l, net-snmp
 
 # List of { src name backend } attibute sets - see installFirmware below:
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [
     gettext
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/sane/frontends.nix b/pkgs/applications/graphics/sane/frontends.nix
index 8f5a10268e4..c0945242096 100644
--- a/pkgs/applications/graphics/sane/frontends.nix
+++ b/pkgs/applications/graphics/sane/frontends.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, sane-backends, libX11, gtk2, pkgconfig, libusb-compat-0_1 ? null }:
+{ lib, stdenv, fetchurl, sane-backends, libX11, gtk2, pkg-config, libusb-compat-0_1 ? null }:
 
 stdenv.mkDerivation rec {
   pname = "sane-frontends";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ sane-backends libX11 gtk2 ]
     ++ lib.optional (libusb-compat-0_1 != null) libusb-compat-0_1;
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/graphics/sane/xsane.nix b/pkgs/applications/graphics/sane/xsane.nix
index b9e45a76751..1deaab4dfe5 100644
--- a/pkgs/applications/graphics/sane/xsane.nix
+++ b/pkgs/applications/graphics/sane/xsane.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk2, pkgconfig, libpng
+{ lib, stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk2, pkg-config, libpng
 , libusb-compat-0_1 ? null
 , gimpSupport ? false, gimp ? null
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     chmod a+rX -R .
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [libpng sane-backends sane-frontends libX11 gtk2 ]
     ++ (if libusb-compat-0_1 != null then [libusb-compat-0_1] else [])
     ++ lib.optional gimpSupport gimp;
diff --git a/pkgs/applications/graphics/shotwell/default.nix b/pkgs/applications/graphics/shotwell/default.nix
index 347d66df987..103a6ec3b6b 100644
--- a/pkgs/applications/graphics/shotwell/default.nix
+++ b/pkgs/applications/graphics/shotwell/default.nix
@@ -11,7 +11,7 @@
 , vala
 , sqlite
 , webkitgtk
-, pkgconfig
+, pkg-config
 , gnome3
 , gst_all_1
 , libgudev
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     itstool
     gettext
     desktop-file-utils
diff --git a/pkgs/applications/graphics/solvespace/default.nix b/pkgs/applications/graphics/solvespace/default.nix
index 26b544cf1c5..98348129d9b 100644
--- a/pkgs/applications/graphics/solvespace/default.nix
+++ b/pkgs/applications/graphics/solvespace/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, cmake, pkgconfig, zlib, libpng, cairo, freetype
+{ lib, stdenv, fetchgit, cmake, pkg-config, zlib, libpng, cairo, freetype
 , json_c, fontconfig, gtkmm3, pangomm, glew, libGLU, xorg, pcre
 , wrapGAppsHook
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig cmake wrapGAppsHook
+    pkg-config cmake wrapGAppsHook
   ];
   buildInputs = [
     zlib libpng cairo freetype
diff --git a/pkgs/applications/graphics/synfigstudio/default.nix b/pkgs/applications/graphics/synfigstudio/default.nix
index 14f502434b2..3f29d25fbe0 100644
--- a/pkgs/applications/graphics/synfigstudio/default.nix
+++ b/pkgs/applications/graphics/synfigstudio/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, boost, cairo, gettext, glibmm, gtk3, gtkmm3
-, libjack2, libsigcxx, libxmlxx, makeWrapper, mlt-qt5, pango, pkgconfig
+, libjack2, libsigcxx, libxmlxx, makeWrapper, mlt-qt5, pango, pkg-config
 , imagemagick, intltool, autoreconfHook, which, gnome3
 }:
 
@@ -39,7 +39,7 @@ let
       "--with-boost-libdir=${boost.out}/lib"
     ];
 
-    nativeBuildInputs = [ pkgconfig autoreconfHook gettext ];
+    nativeBuildInputs = [ pkg-config autoreconfHook gettext ];
     buildInputs = [
       ETL boost cairo glibmm mlt-qt5 libsigcxx libxmlxx pango
     ];
@@ -103,7 +103,7 @@ stdenv.mkDerivation {
 
   preConfigure = "./bootstrap.sh";
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook gettext ];
+  nativeBuildInputs = [ pkg-config autoreconfHook gettext ];
   buildInputs = [
     ETL boost cairo glibmm gtk3 gtkmm3 imagemagick intltool
     libjack2 libsigcxx libxmlxx makeWrapper mlt-qt5
diff --git a/pkgs/applications/graphics/tesseract/tesseract3.nix b/pkgs/applications/graphics/tesseract/tesseract3.nix
index 66ff8675a31..7b9669bc465 100644
--- a/pkgs/applications/graphics/tesseract/tesseract3.nix
+++ b/pkgs/applications/graphics/tesseract/tesseract3.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
 , leptonica, libpng, libtiff, icu, pango, opencl-headers }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ leptonica libpng libtiff icu pango opencl-headers ];
 
   LIBLEPT_HEADERSDIR = "${leptonica}/include";
diff --git a/pkgs/applications/graphics/tesseract/tesseract4.nix b/pkgs/applications/graphics/tesseract/tesseract4.nix
index 18d865ae81c..49cf93835b1 100644
--- a/pkgs/applications/graphics/tesseract/tesseract4.nix
+++ b/pkgs/applications/graphics/tesseract/tesseract4.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, autoconf-archive, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, autoconf-archive, pkg-config
 , leptonica, libpng, libtiff, icu, pango, opencl-headers }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook autoconf-archive ];
+  nativeBuildInputs = [ pkg-config autoreconfHook autoconf-archive ];
   buildInputs = [ leptonica libpng libtiff icu pango opencl-headers ];
 
   meta = {
diff --git a/pkgs/applications/graphics/viewnior/default.nix b/pkgs/applications/graphics/viewnior/default.nix
index 9718dee45dd..fc39306b753 100644
--- a/pkgs/applications/graphics/viewnior/default.nix
+++ b/pkgs/applications/graphics/viewnior/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, desktop-file-utils, gtk2, libpng, exiv2, lcms
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, desktop-file-utils, gtk2, libpng, exiv2, lcms
 , intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl}:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     desktop-file-utils
     intltool
     gettext
diff --git a/pkgs/applications/graphics/xournal/default.nix b/pkgs/applications/graphics/xournal/default.nix
index 41af11ef338..7d9ab53bef8 100644
--- a/pkgs/applications/graphics/xournal/default.nix
+++ b/pkgs/applications/graphics/xournal/default.nix
@@ -2,7 +2,7 @@
 , ghostscript, atk, gtk2, glib, fontconfig, freetype
 , libgnomecanvas, libgnomeprint, libgnomeprintui
 , pango, libX11, xorgproto, zlib, poppler
-, autoconf, automake, libtool, pkgconfig}:
+, autoconf, automake, libtool, pkg-config}:
 
 let
   isGdkQuartzBackend = (gtk2.gdktarget == "quartz");
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     libgnomeprint libgnomeprintui
   ];
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config ];
 
   NIX_LDFLAGS = "-lz"
     + lib.optionalString (!isGdkQuartzBackend) " -lX11";
diff --git a/pkgs/applications/graphics/xzgv/default.nix b/pkgs/applications/graphics/xzgv/default.nix
index d2c569b91c6..d26f6eccf76 100644
--- a/pkgs/applications/graphics/xzgv/default.nix
+++ b/pkgs/applications/graphics/xzgv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk2, libexif, pkgconfig, texinfo }:
+{ lib, stdenv, fetchurl, gtk2, libexif, pkg-config, texinfo }:
 
 stdenv.mkDerivation rec {
   pname = "xzgv";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     url = "mirror://sourceforge/xzgv/xzgv-${version}.tar.gz";
     sha256 = "17l1xr9v07ggwga3vn0z1i4lnwjrr20rr8z1kjbw71aaijxl18i5";
   };
-  nativeBuildInputs = [ pkgconfig texinfo ];
+  nativeBuildInputs = [ pkg-config texinfo ];
   buildInputs = [ gtk2 libexif ];
   postPatch = ''
     substituteInPlace config.mk \
diff --git a/pkgs/applications/graphics/yacreader/default.nix b/pkgs/applications/graphics/yacreader/default.nix
index 2d253d4462a..5c727dbbaab 100644
--- a/pkgs/applications/graphics/yacreader/default.nix
+++ b/pkgs/applications/graphics/yacreader/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, qmake, poppler, pkgconfig, libunarr
+{ mkDerivation, lib, fetchFromGitHub, qmake, poppler, pkg-config, libunarr
 , libGLU, qtdeclarative, qtgraphicaleffects, qtmultimedia, qtquickcontrols
 , qtscript
 }:
@@ -14,7 +14,7 @@ mkDerivation rec {
     sha256 = "17kzh69sxpyk4n7c2gkbsvr9y4j14azdy1qxzghsbwp7ij4iw9kv";
   };
 
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
   buildInputs = [ poppler libunarr libGLU qtmultimedia qtscript ];
   propagatedBuildInputs = [ qtquickcontrols qtgraphicaleffects qtdeclarative ];
 
diff --git a/pkgs/applications/graphics/zgv/default.nix b/pkgs/applications/graphics/zgv/default.nix
index 435f4ccaf6d..a4e5e725490 100644
--- a/pkgs/applications/graphics/zgv/default.nix
+++ b/pkgs/applications/graphics/zgv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, SDL, SDL_image, libjpeg, libpng, libtiff }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, SDL, SDL_image, libjpeg, libpng, libtiff }:
 
 stdenv.mkDerivation rec {
   pname = "zgv";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1fk4i9x0cpnpn3llam0zy2pkmhlr2hy3iaxhxg07v9sizd4dircj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL SDL_image libjpeg libpng libtiff ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/networking/browsers/asuka/default.nix b/pkgs/applications/networking/browsers/asuka/default.nix
index 8ea484d4a4c..98c8a8afae0 100644
--- a/pkgs/applications/networking/browsers/asuka/default.nix
+++ b/pkgs/applications/networking/browsers/asuka/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, rustPlatform, fetchurl, pkgconfig, ncurses, openssl, Security }:
+{ lib, stdenv, rustPlatform, fetchurl, pkg-config, ncurses, openssl, Security }:
 
 rustPlatform.buildRustPackage rec {
   pname = "asuka";
@@ -11,7 +11,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "0p0x4ch04kydg76bfal5zqzr9hvn5268wf3k2v9h7g8r4y8xqlhw";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ ncurses openssl ]
     ++ lib.optional stdenv.isDarwin Security;
diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 19930714f0c..7442d600085 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -7,7 +7,7 @@
 , xdg_utils, yasm, nasm, minizip, libwebp
 , libusb1, pciutils, nss, re2
 
-, python2Packages, perl, pkgconfig
+, python2Packages, perl, pkg-config
 , nspr, systemd, kerberos
 , util-linux, alsaLib
 , bison, gperf
@@ -126,7 +126,7 @@ let
 
     nativeBuildInputs = [
       llvmPackages.lldClang.bintools
-      ninja which python2Packages.python perl pkgconfig
+      ninja which python2Packages.python perl pkg-config
       python2Packages.ply python2Packages.jinja2 nodejs
       gnutar python2Packages.setuptools
     ];
diff --git a/pkgs/applications/networking/browsers/elinks/default.nix b/pkgs/applications/networking/browsers/elinks/default.nix
index 6e4c7d1dade..12adbc0a9b7 100644
--- a/pkgs/applications/networking/browsers/elinks/default.nix
+++ b/pkgs/applications/networking/browsers/elinks/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch, ncurses, xlibsWrapper, bzip2, zlib
-, brotli, zstd, lzma, openssl, autoreconfHook, gettext, pkgconfig, libev
+, brotli, zstd, lzma, openssl, autoreconfHook, gettext, pkg-config, libev
 , gpm, libidn, tre, expat
 , # Incompatible licenses, LGPLv3 - GPLv2
   enableGuile        ? false,                                         guile ? null
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     ++ lib.optional enablePerl perl
     ;
 
-  nativeBuildInputs = [ autoreconfHook gettext pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook gettext pkg-config ];
 
   configureFlags = [
     "--enable-finger"
diff --git a/pkgs/applications/networking/browsers/eolie/default.nix b/pkgs/applications/networking/browsers/eolie/default.nix
index 53a32e09f87..6b3b6351230 100644
--- a/pkgs/applications/networking/browsers/eolie/default.nix
+++ b/pkgs/applications/networking/browsers/eolie/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, meson, ninja, pkgconfig, nix-update-script
+{ lib, stdenv, fetchgit, meson, ninja, pkg-config, nix-update-script
 , python3, gtk3, libsecret, gst_all_1, webkitgtk, glib
 , glib-networking, gtkspell3, hunspell, desktop-file-utils
 , gobject-introspection, wrapGAppsHook, gnome3 }:
@@ -22,7 +22,7 @@ python3.pkgs.buildPythonApplication rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/networking/browsers/ephemeral/default.nix b/pkgs/applications/networking/browsers/ephemeral/default.nix
index cff93e196a6..338ceaa4344 100644
--- a/pkgs/applications/networking/browsers/ephemeral/default.nix
+++ b/pkgs/applications/networking/browsers/ephemeral/default.nix
@@ -11,7 +11,7 @@
 , meson
 , ninja
 , pantheon
-, pkgconfig
+, pkg-config
 , python3
 , webkitgtk
 , wrapGAppsHook
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/networking/browsers/falkon/default.nix b/pkgs/applications/networking/browsers/falkon/default.nix
index c1d40fa770f..f39ae2f1669 100644
--- a/pkgs/applications/networking/browsers/falkon/default.nix
+++ b/pkgs/applications/networking/browsers/falkon/default.nix
@@ -1,5 +1,5 @@
 { stdenv, mkDerivation, lib, fetchFromGitHub, fetchpatch
-, cmake, extra-cmake-modules, pkgconfig, qmake
+, cmake, extra-cmake-modules, pkg-config, qmake
 , libpthreadstubs, libxcb, libXdmcp
 , qtsvg, qttools, qtwebengine, qtx11extras
 , qtwayland, wrapQtAppsHook
@@ -41,7 +41,7 @@ mkDerivation rec {
   nativeBuildInputs = [
     cmake
     extra-cmake-modules
-    pkgconfig
+    pkg-config
     qmake
     qttools
     wrapQtAppsHook
diff --git a/pkgs/applications/networking/browsers/links2/default.nix b/pkgs/applications/networking/browsers/links2/default.nix
index db9f46c63ef..ec57bcfae18 100644
--- a/pkgs/applications/networking/browsers/links2/default.nix
+++ b/pkgs/applications/networking/browsers/links2/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, gpm, openssl, pkgconfig, libev # Misc.
+, gpm, openssl, pkg-config, libev # Misc.
 , libpng, libjpeg, libtiff, librsvg # graphic formats
 , bzip2, zlib, xz # Transfer encodings
 , enableFB ? true
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     ++ optionals enableX11 [ libX11 libXau libXt ]
     ++ optional enableDirectFB [ directfb ];
 
-  nativeBuildInputs = [ pkgconfig bzip2 ];
+  nativeBuildInputs = [ pkg-config bzip2 ];
 
   configureFlags = [ "--with-ssl" ]
     ++ lib.optional (enableX11 || enableFB || enableDirectFB) "--enable-graphics"
diff --git a/pkgs/applications/networking/browsers/midori/default.nix b/pkgs/applications/networking/browsers/midori/default.nix
index ca6d4335785..3362948e98a 100644
--- a/pkgs/applications/networking/browsers/midori/default.nix
+++ b/pkgs/applications/networking/browsers/midori/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , cmake
 , ninja
-, pkgconfig
+, pkg-config
 , intltool
 , vala
 , wrapGAppsHook
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     cmake
     intltool
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/networking/browsers/netsurf/browser.nix b/pkgs/applications/networking/browsers/netsurf/browser.nix
index 00e70431abd..db4940093b3 100644
--- a/pkgs/applications/networking/browsers/netsurf/browser.nix
+++ b/pkgs/applications/networking/browsers/netsurf/browser.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, fetchpatch, makeWrapper, wrapGAppsHook
 
 # Buildtime dependencies.
-, check, pkgconfig, xxd
+, check, pkg-config, xxd
 
 # Runtime dependencies.
 , curl, expat, libXcursor, libXrandr, libidn, libjpeg, libpng, libwebp, libxml2
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     makeWrapper
     perl
     perlPackages.HTMLParser
-    pkgconfig
+    pkg-config
     xxd
   ]
   ++ optional (uilib == "gtk2" || uilib == "gtk3") wrapGAppsHook
diff --git a/pkgs/applications/networking/browsers/netsurf/libcss.nix b/pkgs/applications/networking/browsers/netsurf/libcss.nix
index b09701fc367..be8adaa1568 100644
--- a/pkgs/applications/networking/browsers/netsurf/libcss.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libcss.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, perl
+{ lib, stdenv, fetchurl, pkg-config, perl
 , buildsystem
 , libparserutils
 , libwapcaplet
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-0tzhbpM5Lo1qcglCDUfC1Wo4EXAaDoGnJPxUHGPTxtw=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     perl
     libparserutils
diff --git a/pkgs/applications/networking/browsers/netsurf/libdom.nix b/pkgs/applications/networking/browsers/netsurf/libdom.nix
index 5bb62801437..4c7224f2263 100644
--- a/pkgs/applications/networking/browsers/netsurf/libdom.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libdom.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, expat
+{ lib, stdenv, fetchurl, pkg-config, expat
 , buildsystem
 , libparserutils
 , libwapcaplet
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-mO4HJHHlXiCMmHjlFcQQrUYso2+HtK/L7K0CPzos70o=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     expat
     libhubbub
diff --git a/pkgs/applications/networking/browsers/netsurf/libhubbub.nix b/pkgs/applications/networking/browsers/netsurf/libhubbub.nix
index 3a1a29e743c..9fd04904c8e 100644
--- a/pkgs/applications/networking/browsers/netsurf/libhubbub.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libhubbub.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, perl
+{ lib, stdenv, fetchurl, pkg-config, perl
 , buildsystem
 , libparserutils
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-nnriU+bJBp51frmtTkhG84tNtSwMoBUURqn6Spd3NbY=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     perl
     libparserutils
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix b/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
index f25ccf96354..24790c477d4 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsbmp.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-ecSTZfhg7UUb/EEJ7d7I3j6bfOWjvgaVlr0qoZJ5Mk8=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsfb.nix b/pkgs/applications/networking/browsers/netsurf/libnsfb.nix
index cb3a759acb8..d093df46629 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsfb.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsfb.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , uilib, SDL
 , buildsystem
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-vkRso+tU35A/LamDEdEH11dM0R9awHE+YZFW1NGeo5o=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
index 032d886085f..582bcc84e4f 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsgif.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-nq6lNM1wtTxar0UxeulXcBaFprSojb407Sb0+q6Hmks=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libnslog.nix b/pkgs/applications/networking/browsers/netsurf/libnslog.nix
index eba4952d7fc..7189f1c591b 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnslog.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnslog.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, bison, flex
+{ lib, stdenv, fetchurl, pkg-config, bison, flex
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-/JjcqdfvpnCWRwpdlsAjFG4lv97AjA23RmHHtNsEU9A=";
   };
 
-  nativeBuildInputs = [ pkgconfig bison flex ];
+  nativeBuildInputs = [ pkg-config bison flex ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libnspsl.nix b/pkgs/applications/networking/browsers/netsurf/libnspsl.nix
index bfbd611000c..01e3e401a78 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnspsl.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnspsl.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-08WCBct40xC/gcpVNHotCYcZzsrHBGvDZ5g7E4tFAgs=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libnsutils.nix b/pkgs/applications/networking/browsers/netsurf/libnsutils.nix
index 56e2e048b67..b0d954a00d4 100644
--- a/pkgs/applications/networking/browsers/netsurf/libnsutils.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libnsutils.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-eQxlFjRKvoL2KJ1lY5LpzOvkdbIMx+Hi2EMBE4X3rvA=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix b/pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix
index 66a2dbcf437..14399788433 100644
--- a/pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libsvgtiny.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gperf
+{ lib, stdenv, fetchurl, pkg-config, gperf
 , buildsystem
 , libdom
 , libhubbub
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-LA3PlS8c2ILD6VQB75RZ8W27U8XT5FEjObL563add4E=";
   };
 
-  nativeBuildInputs = [ pkgconfig gperf ];
+  nativeBuildInputs = [ pkg-config gperf ];
   buildInputs = [
     libdom
     libhubbub
diff --git a/pkgs/applications/networking/browsers/netsurf/libutf8proc.nix b/pkgs/applications/networking/browsers/netsurf/libutf8proc.nix
index 38680da1bcf..c7362b998be 100644
--- a/pkgs/applications/networking/browsers/netsurf/libutf8proc.nix
+++ b/pkgs/applications/networking/browsers/netsurf/libutf8proc.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , buildsystem
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-AasdaYnBx3VQkNskw/ZOSflcVgrknCa+xRQrrGgCxHI=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ buildsystem ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/browsers/surf/default.nix b/pkgs/applications/networking/browsers/surf/default.nix
index 5ab7cb8d93b..26cbc92adac 100644
--- a/pkgs/applications/networking/browsers/surf/default.nix
+++ b/pkgs/applications/networking/browsers/surf/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchgit
-, pkgconfig, wrapGAppsHook
+, pkg-config, wrapGAppsHook
 , glib, gcr, glib-networking, gsettings-desktop-schemas, gtk, libsoup, webkitgtk
 , xorg, dmenu, findutils, gnused, coreutils
 , patches ? null
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "0pjsv2q8c74sdmqsalym8wa2lv55lj4pd36miam5wd12769xw68m";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
   buildInputs = [ glib gcr glib-networking gsettings-desktop-schemas gtk libsoup webkitgtk ];
 
   inherit patches;
diff --git a/pkgs/applications/networking/browsers/vimb/default.nix b/pkgs/applications/networking/browsers/vimb/default.nix
index 705b9ec7f70..816b986f883 100644
--- a/pkgs/applications/networking/browsers/vimb/default.nix
+++ b/pkgs/applications/networking/browsers/vimb/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libsoup, webkitgtk, gtk3, glib-networking
+{ lib, stdenv, fetchFromGitHub, pkg-config, libsoup, webkitgtk, gtk3, glib-networking
 , gsettings-desktop-schemas, wrapGAppsHook
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "1qg18z2gnsli9qgrqfhqfrsi6g9mcgr90w8yab28nxrq4aha6brf";
   };
 
-  nativeBuildInputs = [ wrapGAppsHook pkgconfig ];
+  nativeBuildInputs = [ wrapGAppsHook pkg-config ];
   buildInputs = [ gtk3 libsoup webkitgtk glib-networking gsettings-desktop-schemas ];
 
   makeFlags = [ "PREFIX=${placeholder "out"}" ];
diff --git a/pkgs/applications/networking/browsers/webbrowser/default.nix b/pkgs/applications/networking/browsers/webbrowser/default.nix
index 9ea122fc7f6..d9e997f514b 100644
--- a/pkgs/applications/networking/browsers/webbrowser/default.nix
+++ b/pkgs/applications/networking/browsers/webbrowser/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchgit, makeDesktopItem, pkgconfig, makeWrapper
+{ stdenv, lib, fetchgit, makeDesktopItem, pkg-config, makeWrapper
 # Build
 , python2, autoconf213, yasm, perl
 , unzip, gnome2, gnum4
@@ -41,7 +41,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    gnum4 makeWrapper perl pkgconfig python2
+    gnum4 makeWrapper perl pkg-config python2
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/compactor/default.nix b/pkgs/applications/networking/compactor/default.nix
index 1c315447254..d0db8cc10b9 100644
--- a/pkgs/applications/networking/compactor/default.nix
+++ b/pkgs/applications/networking/compactor/default.nix
@@ -1,5 +1,5 @@
 { autoconf, automake, boost, cbor-diag, cddl, fetchFromGitHub, file, libctemplate, libmaxminddb
-, libpcap, libtins, libtool, lzma, openssl, pkgconfig, lib, stdenv, tcpdump, wireshark-cli
+, libpcap, libtins, libtool, lzma, openssl, pkg-config, lib, stdenv, tcpdump, wireshark-cli
 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   # cbor-diag, cddl and wireshark-cli are only used for tests.
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig cbor-diag cddl wireshark-cli ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config cbor-diag cddl wireshark-cli ];
   buildInputs = [
     boost
     libpcap
diff --git a/pkgs/applications/networking/dropbox/cli.nix b/pkgs/applications/networking/dropbox/cli.nix
index 5ec94c819a6..57b39383e97 100644
--- a/pkgs/applications/networking/dropbox/cli.nix
+++ b/pkgs/applications/networking/dropbox/cli.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , substituteAll
-, pkgconfig
+, pkg-config
 , fetchurl
 , python3
 , dropbox
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gobject-introspection
     gdk-pixbuf
     # only for build, the install command also wants to use GTK through introspection
diff --git a/pkgs/applications/networking/linssid/default.nix b/pkgs/applications/networking/linssid/default.nix
index e14e5b57461..090f53cffb6 100644
--- a/pkgs/applications/networking/linssid/default.nix
+++ b/pkgs/applications/networking/linssid/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, qtbase, qtsvg, qmake, pkgconfig, boost, wirelesstools, iw, qwt, wrapQtAppsHook }:
+{ lib, stdenv, fetchurl, qtbase, qtsvg, qmake, pkg-config, boost, wirelesstools, iw, qwt, wrapQtAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "linssid";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "13d35rlcjncd8lx3khkgn9x8is2xjd5fp6ns5xsn3w6l4xj9b4gl";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config qmake wrapQtAppsHook ];
   buildInputs = [ qtbase qtsvg boost qwt ];
 
   patches = [ ./0001-unbundled-qwt.patch ];
diff --git a/pkgs/applications/networking/mpop/default.nix b/pkgs/applications/networking/mpop/default.nix
index 5aa0861b4e9..01528df856c 100644
--- a/pkgs/applications/networking/mpop/default.nix
+++ b/pkgs/applications/networking/mpop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnutls, gsasl, libidn, Security }:
+{ lib, stdenv, fetchurl, pkg-config, gnutls, gsasl, libidn, Security }:
 
 with lib;
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1gcxvhin5y0q47svqbf90r5aip0cgywm8sq6m84ygda7km8xylwv";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gnutls gsasl libidn ]
     ++ optional stdenv.isDarwin Security;
 
diff --git a/pkgs/applications/networking/msmtp/default.nix b/pkgs/applications/networking/msmtp/default.nix
index fd6a011b1bd..02131b41ea4 100644
--- a/pkgs/applications/networking/msmtp/default.nix
+++ b/pkgs/applications/networking/msmtp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, autoreconfHook, pkgconfig, texinfo
+{ stdenv, lib, fetchurl, autoreconfHook, pkg-config, texinfo
 , netcat-gnu, gnutls, gsasl, libidn2, Security
 , withKeyring ? true, libsecret ? null
 , systemd ? null }:
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
     ++ lib.optional stdenv.isDarwin Security
     ++ lib.optional withKeyring libsecret;
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig texinfo ];
+  nativeBuildInputs = [ autoreconfHook pkg-config texinfo ];
 
   configureFlags =
     [ "--sysconfdir=/etc" ] ++ lib.optional stdenv.isDarwin [ "--with-macosx-keyring" ];
diff --git a/pkgs/applications/networking/mumble/default.nix b/pkgs/applications/networking/mumble/default.nix
index 368bd716ce6..d93e5fbb963 100644
--- a/pkgs/applications/networking/mumble/default.nix
+++ b/pkgs/applications/networking/mumble/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchFromGitHub, fetchpatch, pkgconfig, qt5
+{ lib, stdenv, fetchurl, fetchFromGitHub, fetchpatch, pkg-config, qt5
 , avahi, boost, libopus, libsndfile, protobuf, speex, libcap
 , alsaLib, python
 , rnnoise
@@ -25,7 +25,7 @@ let
     patches = (source.patches or [])
       ++ [ ./fix-rnnoise-argument.patch ];
 
-    nativeBuildInputs = [ pkgconfig python qt5.qmake ]
+    nativeBuildInputs = [ pkg-config python qt5.qmake ]
       ++ (overrides.nativeBuildInputs or [ ]);
 
     buildInputs = [ boost protobuf avahi ]
diff --git a/pkgs/applications/networking/newsreaders/pan/default.nix b/pkgs/applications/networking/newsreaders/pan/default.nix
index 5e53e61e040..90bbd31a888 100644
--- a/pkgs/applications/networking/newsreaders/pan/default.nix
+++ b/pkgs/applications/networking/newsreaders/pan/default.nix
@@ -1,5 +1,5 @@
 { spellChecking ? true
-, lib, stdenv, fetchurl, pkgconfig, gtk3, gtkspell3 ? null
+, lib, stdenv, fetchurl, pkg-config, gtk3, gtkspell3 ? null
 , gmime2, gettext, intltool, itstool, libxml2, libnotify, gnutls
 , makeWrapper, gnupg
 , gnomeSupport ? true, libsecret, gcr
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
     sha256 = "17agd27sn4a7nahvkpg0w39kv74njgdrrygs74bbvpaj8rk2hb55";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext intltool itstool libxml2 makeWrapper ];
+  nativeBuildInputs = [ pkg-config gettext intltool itstool libxml2 makeWrapper ];
   buildInputs = [ gtk3 gmime2 libnotify gnutls ]
     ++ lib.optional spellChecking gtkspell3
     ++ lib.optionals gnomeSupport [ libsecret gcr ];
diff --git a/pkgs/applications/networking/nym/default.nix b/pkgs/applications/networking/nym/default.nix
index d85266f68d6..528db85092c 100644
--- a/pkgs/applications/networking/nym/default.nix
+++ b/pkgs/applications/networking/nym/default.nix
@@ -1,7 +1,7 @@
 { lib
 , rustPlatform
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , openssl
 , libredirect
 , writeText
@@ -29,7 +29,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "0zr5nzmglmvn6xfqgvipbzy8nw5cl3nf7zjmghkqdwi6zj9p9272";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ openssl ];
 
diff --git a/pkgs/applications/networking/owncloud-client/default.nix b/pkgs/applications/networking/owncloud-client/default.nix
index c1711497f78..452acc1c7ca 100644
--- a/pkgs/applications/networking/owncloud-client/default.nix
+++ b/pkgs/applications/networking/owncloud-client/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, mkDerivation, cmake, pkgconfig, qtbase, qtkeychain, sqlite, libsecret }:
+{ lib, stdenv, fetchurl, mkDerivation, cmake, pkg-config, qtbase, qtkeychain, sqlite, libsecret }:
 
 mkDerivation rec {
   pname = "owncloud-client";
@@ -9,7 +9,7 @@ mkDerivation rec {
     sha256 = "1xcklhvbyg34clm9as2rjnjfwxpwq77lmdxj6qc0w7q43viqvlz3";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ qtbase qtkeychain sqlite ];
 
   qtWrapperArgs = [
diff --git a/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix b/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
index 8ca82c5b98f..c7a05f37ca8 100644
--- a/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
+++ b/pkgs/applications/networking/p2p/eiskaltdcpp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, qt4, boost, bzip2, libX11
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, qt4, boost, bzip2, libX11
 , fetchpatch, libiconv, pcre-cpp, libidn, lua5, miniupnpc, aspell, gettext }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1mqz0g69njmlghcra3izarjxbxi1jrhiwn4ww94b8jv8xb9cv682";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ qt4 boost bzip2 libX11 pcre-cpp libidn lua5 miniupnpc aspell gettext ]
     ++ lib.optional stdenv.isDarwin libiconv;
 
diff --git a/pkgs/applications/networking/p2p/gnunet/default.nix b/pkgs/applications/networking/p2p/gnunet/default.nix
index 20fb5d4e79c..b4efd89441e 100644
--- a/pkgs/applications/networking/p2p/gnunet/default.nix
+++ b/pkgs/applications/networking/p2p/gnunet/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl, adns, curl, gettext, gmp, gnutls, libextractor
 , libgcrypt, libgnurl, libidn, libmicrohttpd, libtool, libunistring
-, makeWrapper, ncurses, pkgconfig, libxml2, sqlite, zlib
+, makeWrapper, ncurses, pkg-config, libxml2, sqlite, zlib
 , libpulseaudio, libopus, libogg, jansson, libsodium }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig libtool makeWrapper ];
+  nativeBuildInputs = [ pkg-config libtool makeWrapper ];
   buildInputs = [
     adns curl gmp gnutls libextractor libgcrypt libgnurl libidn
     libmicrohttpd libunistring libxml2 ncurses gettext libsodium
diff --git a/pkgs/applications/networking/p2p/ncdc/default.nix b/pkgs/applications/networking/p2p/ncdc/default.nix
index e479da0f22a..dd7f4a7bb60 100644
--- a/pkgs/applications/networking/p2p/ncdc/default.nix
+++ b/pkgs/applications/networking/p2p/ncdc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, ncurses, zlib, bzip2, sqlite, pkgconfig, glib, gnutls }:
+{ lib, stdenv, fetchurl, ncurses, zlib, bzip2, sqlite, pkg-config, glib, gnutls }:
 
 stdenv.mkDerivation rec {
   pname = "ncdc";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1bdgqd07f026qk6vpbxqsin536znd33931m3b4z44prlm9wd6pyi";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses zlib bzip2 sqlite glib gnutls ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/p2p/qbittorrent/default.nix b/pkgs/applications/networking/p2p/qbittorrent/default.nix
index d83cc6ad184..ace528494bc 100644
--- a/pkgs/applications/networking/p2p/qbittorrent/default.nix
+++ b/pkgs/applications/networking/p2p/qbittorrent/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, makeWrapper, pkgconfig
+{ mkDerivation, lib, fetchFromGitHub, makeWrapper, pkg-config
 , boost, libtorrent-rasterbar, qtbase, qttools, qtsvg
 , debugSupport ? false
 , guiSupport ? true, dbus ? null # GUI (disable to run headless)
@@ -22,7 +22,7 @@ mkDerivation rec {
   };
 
   # NOTE: 2018-05-31: CMake is working but it is not officially supported
-  nativeBuildInputs = [ makeWrapper pkgconfig ];
+  nativeBuildInputs = [ makeWrapper pkg-config ];
 
   buildInputs = [ boost libtorrent-rasterbar qtbase qttools qtsvg ]
     ++ optional guiSupport dbus # D(esktop)-Bus depends on GUI support
diff --git a/pkgs/applications/networking/p2p/retroshare/default.nix b/pkgs/applications/networking/p2p/retroshare/default.nix
index 412016e4877..85a5217ff69 100644
--- a/pkgs/applications/networking/p2p/retroshare/default.nix
+++ b/pkgs/applications/networking/p2p/retroshare/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libupnp, gpgme, gnome3, glib, libssh, pkgconfig, protobuf, bzip2
+{ lib, stdenv, fetchFromGitHub, libupnp, gpgme, gnome3, glib, libssh, pkg-config, protobuf, bzip2
 , libXScrnSaver, speex, curl, libxml2, libxslt, sqlcipher, libmicrohttpd, opencv, qmake, ffmpeg_3
 , qtmultimedia, qtx11extras, qttools }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
       libretroshare/src/upnp/UPnPBase.cpp
   '';
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [
     speex libupnp gpgme gnome3.libgnome-keyring glib libssh qtmultimedia qtx11extras qttools
     protobuf bzip2 libXScrnSaver curl libxml2 libxslt sqlcipher libmicrohttpd opencv ffmpeg_3
diff --git a/pkgs/applications/networking/p2p/synapse-bt/default.nix b/pkgs/applications/networking/p2p/synapse-bt/default.nix
index 4eeac2db981..761d18e5fe3 100644
--- a/pkgs/applications/networking/p2p/synapse-bt/default.nix
+++ b/pkgs/applications/networking/p2p/synapse-bt/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, pkgconfig, openssl, CoreServices, Security }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config, openssl, CoreServices, Security }:
 
 rustPlatform.buildRustPackage rec {
   pname = "synapse-bt";
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "0lhhdzq4sadnp2pnbq309d1mb7ggbf24k5ivlchrjhllbim1wmdz";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openssl ]
     ++ lib.optionals stdenv.isDarwin [ CoreServices Security ];
 
diff --git a/pkgs/applications/networking/p2p/torrential/default.nix b/pkgs/applications/networking/p2p/torrential/default.nix
index ef2b97563bb..cbeb6afa408 100644
--- a/pkgs/applications/networking/p2p/torrential/default.nix
+++ b/pkgs/applications/networking/p2p/torrential/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , cmake
-, pkgconfig
+, pkg-config
 , vala_0_40
 , pantheon
 , curl
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     cmake
     vala_0_40 # https://github.com/davidmhewitt/torrential/issues/135
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/networking/p2p/transgui/default.nix b/pkgs/applications/networking/p2p/transgui/default.nix
index 4dbb54faabc..809e4528df9 100644
--- a/pkgs/applications/networking/p2p/transgui/default.nix
+++ b/pkgs/applications/networking/p2p/transgui/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, makeDesktopItem, unzip, fpc, lazarus,
+{ lib, stdenv, fetchFromGitHub, pkg-config, makeDesktopItem, unzip, fpc, lazarus,
 libX11, glib, gtk2, gdk-pixbuf, pango, atk, cairo, openssl }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1dyx778756zhvz5sxgdvy49p2c0x44w4nmcfd90wqrmgfknncnf5";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     unzip fpc lazarus stdenv.cc
     libX11 glib gtk2 gdk-pixbuf pango atk cairo openssl
diff --git a/pkgs/applications/networking/p2p/transmission-remote-gtk/default.nix b/pkgs/applications/networking/p2p/transmission-remote-gtk/default.nix
index fe93657048a..c89e5397706 100644
--- a/pkgs/applications/networking/p2p/transmission-remote-gtk/default.nix
+++ b/pkgs/applications/networking/p2p/transmission-remote-gtk/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, autoconf, automake, libtool, wrapGAppsHook, fetchFromGitHub, pkgconfig
+{ lib, stdenv, autoconf, automake, libtool, wrapGAppsHook, fetchFromGitHub, pkg-config
 , intltool, gtk3, json-glib, curl, glib, autoconf-archive, appstream-glib, fetchpatch }:
 
 
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs= [
     autoconf automake libtool wrapGAppsHook
-    pkgconfig intltool autoconf-archive
+    pkg-config intltool autoconf-archive
     appstream-glib
   ];
 
diff --git a/pkgs/applications/networking/p2p/transmission/default.nix b/pkgs/applications/networking/p2p/transmission/default.nix
index ab4fc0908ba..8cc674b1ea7 100644
--- a/pkgs/applications/networking/p2p/transmission/default.nix
+++ b/pkgs/applications/networking/p2p/transmission/default.nix
@@ -2,7 +2,7 @@
 , lib
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , openssl
 , curl
 , libevent
@@ -50,7 +50,7 @@ in stdenv.mkDerivation {
     ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     cmake
   ]
   ++ lib.optionals enableGTK3 [ wrapGAppsHook ]
diff --git a/pkgs/applications/networking/p2p/twister/default.nix b/pkgs/applications/networking/p2p/twister/default.nix
index dfc63fff7e4..1d05cafef83 100644
--- a/pkgs/applications/networking/p2p/twister/default.nix
+++ b/pkgs/applications/networking/p2p/twister/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, autoconf, automake, libtool, pkgconfig, python2
+{ lib, stdenv, fetchFromGitHub, fetchpatch, autoconf, automake, libtool, pkg-config, python2
 , boost, db, openssl, geoip, libiconv, miniupnpc
 , srcOnly, fetchgit
 }:
@@ -35,7 +35,7 @@ in stdenv.mkDerivation rec {
     "--with-boost-libdir=${boostPython.out}/lib"
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     autoconf automake libtool python2
     boostPython db openssl geoip miniupnpc libiconv
diff --git a/pkgs/applications/networking/remote/freerdp/default.nix b/pkgs/applications/networking/remote/freerdp/default.nix
index a81356da252..04f2efd5b07 100644
--- a/pkgs/applications/networking/remote/freerdp/default.nix
+++ b/pkgs/applications/networking/remote/freerdp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, pkgconfig, alsaLib, ffmpeg, glib, openssl
+{ stdenv, lib, fetchFromGitHub, cmake, pkg-config, alsaLib, ffmpeg, glib, openssl
 , pcre, zlib, libX11, libXcursor, libXdamage, libXext, libXi, libXinerama
 , libXrandr, libXrender, libXv, libXtst, libxkbcommon, libxkbfile, wayland
 , gstreamer, gst-plugins-base, gst-plugins-good, libunwind, orc, libxslt, cairo
@@ -82,7 +82,7 @@ in stdenv.mkDerivation rec {
       zlib
     ] ++ optional stdenv.isLinux systemd;
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   doCheck = true;
 
diff --git a/pkgs/applications/networking/remote/putty/default.nix b/pkgs/applications/networking/remote/putty/default.nix
index 61e82726f35..e7544258acf 100644
--- a/pkgs/applications/networking/remote/putty/default.nix
+++ b/pkgs/applications/networking/remote/putty/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, autoconf, automake, pkgconfig, libtool
+{ stdenv, lib, fetchurl, autoconf, automake, pkg-config, libtool
 , gtk2, halibut, ncurses, perl, darwin
 }:
 
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     done
   '' else null;
 
-  nativeBuildInputs = [ autoconf automake halibut libtool perl pkgconfig ];
+  nativeBuildInputs = [ autoconf automake halibut libtool perl pkg-config ];
   buildInputs = lib.optionals stdenv.hostPlatform.isUnix [
     gtk2 ncurses
   ] ++ lib.optional stdenv.isDarwin darwin.apple_sdk.libs.utmp;
diff --git a/pkgs/applications/networking/remote/rdesktop/default.nix b/pkgs/applications/networking/remote/rdesktop/default.nix
index cdbdde31fac..acf1d7cc2d2 100644
--- a/pkgs/applications/networking/remote/rdesktop/default.nix
+++ b/pkgs/applications/networking/remote/rdesktop/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchFromGitHub, openssl, libX11, krb5, libXcursor, libtasn1, nettle, gnutls, pkgconfig, autoreconfHook
+{lib, stdenv, fetchFromGitHub, openssl, libX11, krb5, libXcursor, libtasn1, nettle, gnutls, pkg-config, autoreconfHook
 , enableCredssp ? (!stdenv.isDarwin)
 } :
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation (rec {
     sha256 = "1s6k1jwd28y38ymk3lfv76ch4arpfwrbdhpkbnwwy3fc4617gb78";
   };
 
-  nativeBuildInputs = [pkgconfig autoreconfHook];
+  nativeBuildInputs = [pkg-config autoreconfHook];
   buildInputs = [openssl libX11 libXcursor libtasn1 nettle gnutls]
     ++ lib.optional enableCredssp krb5;
 
diff --git a/pkgs/applications/networking/remote/remmina/default.nix b/pkgs/applications/networking/remote/remmina/default.nix
index 35ce055b3b0..02f1e7ed344 100644
--- a/pkgs/applications/networking/remote/remmina/default.nix
+++ b/pkgs/applications/networking/remote/remmina/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitLab, cmake, ninja, pkgconfig, wrapGAppsHook
+{ lib, stdenv, fetchFromGitLab, cmake, ninja, pkg-config, wrapGAppsHook
 , glib, gtk3, gettext, libxkbfile, libX11
 , freerdp, libssh, libgcrypt, gnutls
 , pcre2, libdbusmenu-gtk3, libappindicator-gtk3
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-n3YfLKCv6CoBeUIv+1yN6RIih63PTFj5zr+dZDJwYdw=";
   };
 
-  nativeBuildInputs = [ cmake ninja pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ cmake ninja pkg-config wrapGAppsHook ];
   buildInputs = [
     gsettings-desktop-schemas
     glib gtk3 gettext libxkbfile libX11
diff --git a/pkgs/applications/networking/remote/x2goclient/default.nix b/pkgs/applications/networking/remote/x2goclient/default.nix
index 6401393acda..dc828b58825 100644
--- a/pkgs/applications/networking/remote/x2goclient/default.nix
+++ b/pkgs/applications/networking/remote/x2goclient/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchgit, cups, libssh, libXpm, nx-libs, openldap, openssh
-, mkDerivation, qtbase, qtsvg, qtx11extras, qttools, phonon, pkgconfig }:
+, mkDerivation, qtbase, qtsvg, qtx11extras, qttools, phonon, pkg-config }:
 
 mkDerivation {
   pname = "x2goclient";
@@ -12,7 +12,7 @@ mkDerivation {
   };
 
   buildInputs = [ cups libssh libXpm nx-libs openldap openssh
-                  qtbase qtsvg qtx11extras qttools phonon pkgconfig ];
+                  qtbase qtsvg qtx11extras qttools phonon pkg-config ];
 
   postPatch = ''
      substituteInPlace Makefile \
diff --git a/pkgs/applications/networking/remote/xrdp/default.nix b/pkgs/applications/networking/remote/xrdp/default.nix
index faa65379de4..b8677a2683c 100644
--- a/pkgs/applications/networking/remote/xrdp/default.nix
+++ b/pkgs/applications/networking/remote/xrdp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, which, perl, autoconf, automake, libtool, openssl, systemd, pam, fuse, libjpeg, libopus, nasm, xorg }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, which, perl, autoconf, automake, libtool, openssl, systemd, pam, fuse, libjpeg, libopus, nasm, xorg }:
 
 let
   xorgxrdp = stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ let
       sha256 = "1bhp5x47hajhinvglmc4vxxnpjvfjm6369njb3ghqfr7c5xypvzr";
     };
 
-    nativeBuildInputs = [ pkgconfig autoconf automake which libtool nasm ];
+    nativeBuildInputs = [ pkg-config autoconf automake which libtool nasm ];
 
     buildInputs = [ xorg.xorgserver ];
 
@@ -45,7 +45,7 @@ let
       sha256 = "0ynj6pml4f38y8571ryhifza57wfqg4frdrjcwzw3fmryiznfm1z";
     };
 
-    nativeBuildInputs = [ pkgconfig autoconf automake which libtool nasm ];
+    nativeBuildInputs = [ pkg-config autoconf automake which libtool nasm ];
 
     buildInputs = [ openssl systemd pam fuse libjpeg libopus xorg.libX11 xorg.libXfixes xorg.libXrandr ];
 
diff --git a/pkgs/applications/networking/sniffers/etherape/default.nix b/pkgs/applications/networking/sniffers/etherape/default.nix
index 000a2fa0a4a..1e3f2635f47 100644
--- a/pkgs/applications/networking/sniffers/etherape/default.nix
+++ b/pkgs/applications/networking/sniffers/etherape/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libtool, gtk3, libpcap, goocanvas2,
+{ lib, stdenv, fetchurl, pkg-config, libtool, gtk3, libpcap, goocanvas2,
 popt, itstool, libxml2 }:
 
 stdenv.mkDerivation rec {
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0w63vg2q6if3wvy2md66in8b6cdw9q40hny5xy6yrxky58l4kmg7";
   };
 
-  nativeBuildInputs = [ itstool pkgconfig (lib.getBin libxml2) ];
+  nativeBuildInputs = [ itstool pkg-config (lib.getBin libxml2) ];
   buildInputs = [
     libtool gtk3 libpcap goocanvas2 popt
   ];
diff --git a/pkgs/applications/networking/sniffers/ettercap/default.nix b/pkgs/applications/networking/sniffers/ettercap/default.nix
index d3bfc148c42..a3c79fd9560 100644
--- a/pkgs/applications/networking/sniffers/ettercap/default.nix
+++ b/pkgs/applications/networking/sniffers/ettercap/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, cmake, libpcap, libnet, zlib, curl, pcre
 , openssl, ncurses, glib, gtk3, atk, pango, flex, bison, geoip, harfbuzz
-, pkgconfig }:
+, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "ettercap";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   strictDeps = true;
-  nativeBuildInputs = [ cmake flex bison pkgconfig ];
+  nativeBuildInputs = [ cmake flex bison pkg-config ];
   buildInputs = [
     libpcap libnet zlib curl pcre openssl ncurses
     glib gtk3 atk pango geoip harfbuzz
diff --git a/pkgs/applications/networking/sniffers/kismet/default.nix b/pkgs/applications/networking/sniffers/kismet/default.nix
index 4c31d374676..ad1ee0a0b30 100644
--- a/pkgs/applications/networking/sniffers/kismet/default.nix
+++ b/pkgs/applications/networking/sniffers/kismet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libpcap, pcre, libnl, zlib, libmicrohttpd
+{ lib, stdenv, fetchurl, pkg-config, libpcap, pcre, libnl, zlib, libmicrohttpd
 , sqlite, protobuf, protobufc, libusb1, libcap, binutils, elfutils
 , withNetworkManager ? false, glib, networkmanager
 , withPython ? false, python3
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sha256 = "1n6y6sgqf50bng8n0mhs2r1w0ak14mv654sqay72a78wh2s7ywzg";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [
     libpcap pcre libmicrohttpd libnl zlib sqlite protobuf protobufc
diff --git a/pkgs/applications/networking/sniffers/wireshark/default.nix b/pkgs/applications/networking/sniffers/wireshark/default.nix
index bd1757dfb48..55789401c14 100644
--- a/pkgs/applications/networking/sniffers/wireshark/default.nix
+++ b/pkgs/applications/networking/sniffers/wireshark/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, pcre, perl, flex, bison, gettext, libpcap, libnl, c-ares
+{ lib, stdenv, fetchurl, pkg-config, pcre, perl, flex, bison, gettext, libpcap, libnl, c-ares
 , gnutls, libgcrypt, libgpgerror, geoip, openssl, lua5, python3, libcap, glib
 , libssh, nghttp2, zlib, cmake, fetchpatch, makeWrapper
 , withQt ? true, qt5 ? null
@@ -34,7 +34,7 @@ in stdenv.mkDerivation {
   NIX_CFLAGS_COMPILE = [ "-DQT_NO_DEBUG" ];
 
   nativeBuildInputs = [
-    bison cmake flex pkgconfig
+    bison cmake flex pkg-config
   ] ++ optional withQt qt5.wrapQtAppsHook;
 
   buildInputs = [
diff --git a/pkgs/applications/networking/sniproxy/default.nix b/pkgs/applications/networking/sniproxy/default.nix
index f3eae72970f..6652e7c986c 100644
--- a/pkgs/applications/networking/sniproxy/default.nix
+++ b/pkgs/applications/networking/sniproxy/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, gettext, libev, pcre, pkgconfig, udns }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, gettext, libev, pcre, pkg-config, udns }:
 
 stdenv.mkDerivation rec {
   pname = "sniproxy";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0isgl2lyq8vz5kkxpgyh1sgjlb6sqqybakr64w2mfh29k5ls8xzm";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ gettext libev pcre udns ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/sync/casync/default.nix b/pkgs/applications/networking/sync/casync/default.nix
index 35e89c0d0a0..0e82aa2dd85 100644
--- a/pkgs/applications/networking/sync/casync/default.nix
+++ b/pkgs/applications/networking/sync/casync/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, meson, ninja, pkgconfig, python3, sphinx
+, meson, ninja, pkg-config, python3, sphinx
 , acl, curl, fuse, libselinux, udev, xz, zstd
 , fuseSupport ? true
 , selinuxSupport ? true
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
                 ++ lib.optionals (fuseSupport) [ fuse ]
                 ++ lib.optionals (selinuxSupport) [ libselinux ]
                 ++ lib.optionals (udevSupport) [ udev ];
-  nativeBuildInputs = [ meson ninja pkgconfig python3 sphinx ];
+  nativeBuildInputs = [ meson ninja pkg-config python3 sphinx ];
   checkInputs = [ glibcLocales rsync ];
 
   postPatch = ''
diff --git a/pkgs/applications/networking/sync/lsyncd/default.nix b/pkgs/applications/networking/sync/lsyncd/default.nix
index 06371f80ffe..2723f15dd65 100644
--- a/pkgs/applications/networking/sync/lsyncd/default.nix
+++ b/pkgs/applications/networking/sync/lsyncd/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, lua, pkgconfig, rsync,
+{ lib, stdenv, fetchFromGitHub, fetchpatch, cmake, lua, pkg-config, rsync,
   asciidoc, libxml2, docbook_xml_dtd_45, docbook_xsl, libxslt }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     rsync
-    cmake lua pkgconfig
+    cmake lua pkg-config
     asciidoc libxml2 docbook_xml_dtd_45 docbook_xsl libxslt
   ];
 
diff --git a/pkgs/applications/networking/sync/onedrive/default.nix b/pkgs/applications/networking/sync/onedrive/default.nix
index a6175af3511..ec983276de8 100644
--- a/pkgs/applications/networking/sync/onedrive/default.nix
+++ b/pkgs/applications/networking/sync/onedrive/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, autoreconfHook, ldc, installShellFiles, pkgconfig
+{ stdenv, lib, fetchFromGitHub, autoreconfHook, ldc, installShellFiles, pkg-config
 , curl, sqlite, libnotify
 , withSystemd ? stdenv.isLinux, systemd ? null }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "12g2z6c4f65y8cc7vyhk9nlg1mpbsmlsj7ghlny452qhr13m7qpn";
   };
 
-  nativeBuildInputs = [ autoreconfHook ldc installShellFiles pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook ldc installShellFiles pkg-config ];
 
   buildInputs = [
     curl sqlite libnotify
diff --git a/pkgs/applications/networking/vnstat/default.nix b/pkgs/applications/networking/vnstat/default.nix
index 1db69432642..60b24a6619c 100644
--- a/pkgs/applications/networking/vnstat/default.nix
+++ b/pkgs/applications/networking/vnstat/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gd, ncurses, sqlite, check }:
+{ lib, stdenv, fetchurl, pkg-config, gd, ncurses, sqlite, check }:
 
 stdenv.mkDerivation rec {
   pname = "vnstat";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     substituteInPlace src/cfg.c --replace /usr/local $out
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gd ncurses sqlite ];
 
   checkInputs = [ check ];
diff --git a/pkgs/applications/networking/weather/meteo/default.nix b/pkgs/applications/networking/weather/meteo/default.nix
index 3393dea929e..3de0d450de5 100644
--- a/pkgs/applications/networking/weather/meteo/default.nix
+++ b/pkgs/applications/networking/weather/meteo/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitLab, vala, python3, pkgconfig, meson, ninja, gtk3
+{ lib, stdenv, fetchFromGitLab, vala, python3, pkg-config, meson, ninja, gtk3
 , json-glib, libsoup, webkitgtk, geocode-glib, nix-update-script
 , libappindicator, desktop-file-utils, appstream, wrapGAppsHook }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/networking/znc/default.nix b/pkgs/applications/networking/znc/default.nix
index b8e850211cd..557c2865fa1 100644
--- a/pkgs/applications/networking/znc/default.nix
+++ b/pkgs/applications/networking/znc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, openssl, pkgconfig
+{ lib, stdenv, fetchurl, openssl, pkg-config
 , withPerl ? false, perl
 , withPython ? false, python3
 , withTcl ? false, tcl
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     sha256 = "03fyi0j44zcanj1rsdx93hkdskwfvhbywjiwd17f9q1a7yp8l8zz";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ openssl ]
     ++ optional withPerl perl
diff --git a/pkgs/applications/science/astronomy/celestia/default.nix b/pkgs/applications/science/astronomy/celestia/default.nix
index cbdd29b418d..24eace7eb99 100644
--- a/pkgs/applications/science/astronomy/celestia/default.nix
+++ b/pkgs/applications/science/astronomy/celestia/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, freeglut, gtk2, gtkglext, libjpeg_turbo, libtheora, libXmu
-, lua, libGLU, libGL, pkgconfig, perl, autoreconfHook
+, lua, libGLU, libGL, pkg-config, perl, autoreconfHook
 }:
 
 let
@@ -43,7 +43,7 @@ stdenv.mkDerivation {
     sha256 = "1i1lvhbgllsh2z8i6jj4mvrjak4a7r69psvk7syw03s4p7670mfk";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ freeglut gtk2 gtkglext libjpeg_turbo libtheora libXmu libGLU libGL lua
     perl autoreconfHook ];
 
diff --git a/pkgs/applications/science/astronomy/gildas/default.nix b/pkgs/applications/science/astronomy/gildas/default.nix
index 2174d38d8b4..b716b0f2f90 100644
--- a/pkgs/applications/science/astronomy/gildas/default.nix
+++ b/pkgs/applications/science/astronomy/gildas/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk2-x11 , pkgconfig , python3 , gfortran , lesstif
+{ lib, stdenv, fetchurl, gtk2-x11 , pkg-config , python3 , gfortran , lesstif
 , cfitsio , getopt , perl , groff , which, darwin, ncurses
 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "9faa0b3e674b5ffe5b1aee88027d7401a46ae28cd0b306595300547605d6222a";
   };
 
-  nativeBuildInputs = [ pkgconfig groff perl getopt gfortran which ];
+  nativeBuildInputs = [ pkg-config groff perl getopt gfortran which ];
 
   buildInputs = [ gtk2-x11 lesstif cfitsio python3Env ncurses ]
     ++ lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [ CoreFoundation ]);
diff --git a/pkgs/applications/science/astronomy/gpredict/default.nix b/pkgs/applications/science/astronomy/gpredict/default.nix
index a089bf6534b..4cda15e516d 100644
--- a/pkgs/applications/science/astronomy/gpredict/default.nix
+++ b/pkgs/applications/science/astronomy/gpredict/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool
+{ lib, stdenv, fetchurl, pkg-config, intltool
 , gtk3, glib, curl, goocanvas2, gpsd
 , hamlib, wrapGAppsHook
 }:
@@ -14,7 +14,7 @@ in stdenv.mkDerivation {
     sha256 = "0hwf97kng1zy8rxyglw04x89p0bg07zq30hgghm20yxiw2xc8ng7";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool wrapGAppsHook ];
   buildInputs = [ curl glib gtk3 goocanvas2 gpsd hamlib ];
 
   meta = with lib; {
diff --git a/pkgs/applications/science/astronomy/xplanet/default.nix b/pkgs/applications/science/astronomy/xplanet/default.nix
index 305eb158d13..82331a9496d 100644
--- a/pkgs/applications/science/astronomy/xplanet/default.nix
+++ b/pkgs/applications/science/astronomy/xplanet/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, fetchpatch, pkgconfig, freetype, pango, libpng, libtiff
+{lib, stdenv, fetchurl, fetchpatch, pkg-config, freetype, pango, libpng, libtiff
 , giflib, libjpeg, netpbm}:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1rzc1alph03j67lrr66499zl0wqndiipmj99nqgvh9xzm1qdb023";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ freetype pango libpng libtiff giflib libjpeg netpbm ];
 
   patches = [
diff --git a/pkgs/applications/science/biology/EZminc/default.nix b/pkgs/applications/science/biology/EZminc/default.nix
index 17d8944128e..a2ba038c059 100644
--- a/pkgs/applications/science/biology/EZminc/default.nix
+++ b/pkgs/applications/science/biology/EZminc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, libminc, bicpl, itk4, fftwFloat, gsl }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, libminc, bicpl, itk4, fftwFloat, gsl }:
 
 stdenv.mkDerivation rec {
   pname = "EZminc";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0wy8cppf5xpgfqvgb3mqs1cjh81n6qzkk6zxv29wvng8nar9wsy4";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ itk4 libminc bicpl fftwFloat gsl ];
 
   cmakeFlags = [ "-DLIBMINC_DIR=${libminc}/lib/cmake"
diff --git a/pkgs/applications/science/biology/exonerate/default.nix b/pkgs/applications/science/biology/exonerate/default.nix
index 9f87d0117df..f7b6bf6c14c 100644
--- a/pkgs/applications/science/biology/exonerate/default.nix
+++ b/pkgs/applications/science/biology/exonerate/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, pkgconfig }:
+{ lib, stdenv, fetchurl, glib, pkg-config }:
 
 stdenv.mkDerivation rec {
   version = "2.4.0";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     description = "Generic tool for sequence alignment";
diff --git a/pkgs/applications/science/biology/neuron/default.nix b/pkgs/applications/science/biology/neuron/default.nix
index 3dbc39684c2..154965b1521 100644
--- a/pkgs/applications/science/biology/neuron/default.nix
+++ b/pkgs/applications/science/biology/neuron/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , automake
 , autoconf
 , libtool
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   pname = "neuron";
   version = "7.5";
 
-  nativeBuildInputs = [ which pkgconfig automake autoconf libtool ];
+  nativeBuildInputs = [ which pkg-config automake autoconf libtool ];
   buildInputs = [ ncurses readline python mpi iv ];
 
   src = fetchurl {
diff --git a/pkgs/applications/science/biology/sortmerna/default.nix b/pkgs/applications/science/biology/sortmerna/default.nix
index 01c65f4bcff..2efa39ac489 100644
--- a/pkgs/applications/science/biology/sortmerna/default.nix
+++ b/pkgs/applications/science/biology/sortmerna/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, cmake, rocksdb, rapidjson, pkgconfig, fetchFromGitHub, fetchpatch, zlib }:
+{ lib, stdenv, cmake, rocksdb, rapidjson, pkg-config, fetchFromGitHub, fetchpatch, zlib }:
 
 stdenv.mkDerivation rec {
   pname = "sortmerna";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0r91viylzr069jm7kpcgb45kagvf8sqcj5zc1af4arl9sgfs1f3j";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ zlib rocksdb rapidjson ];
 
   cmakeFlags = [
diff --git a/pkgs/applications/science/biology/vcftools/default.nix b/pkgs/applications/science/biology/vcftools/default.nix
index 61b2ea143b8..9f88079627e 100755
--- a/pkgs/applications/science/biology/vcftools/default.nix
+++ b/pkgs/applications/science/biology/vcftools/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, zlib, autoreconfHook, pkgconfig, perl }:
+{ lib, stdenv, fetchFromGitHub, zlib, autoreconfHook, pkg-config, perl }:
 
 stdenv.mkDerivation rec {
   pname = "vcftools";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0msb09d2cnm8rlpg8bsc1lhjddvp3kf3i9dsj1qs4qgsdlzhxkyx";
   };
 
-  buildInputs = [ autoreconfHook pkgconfig zlib perl ];
+  buildInputs = [ autoreconfHook pkg-config zlib perl ];
 
   meta = with lib; {
     description = "A set of tools written in Perl and C++ for working with VCF files, such as those generated by the 1000 Genomes Project";
diff --git a/pkgs/applications/science/chemistry/avogadro/default.nix b/pkgs/applications/science/chemistry/avogadro/default.nix
index a1e775135e0..f5c6d79e28a 100644
--- a/pkgs/applications/science/chemistry/avogadro/default.nix
+++ b/pkgs/applications/science/chemistry/avogadro/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cmake, qt4, zlib, eigen, openbabel, pkgconfig, libGLU, libGL, libX11, doxygen }:
+{ lib, stdenv, fetchurl, cmake, qt4, zlib, eigen, openbabel, pkg-config, libGLU, libGL, libX11, doxygen }:
 
 stdenv.mkDerivation rec {
   name = "avogadro-1.1.1";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ qt4 eigen zlib openbabel libGL libGLU libX11 ];
 
-  nativeBuildInputs = [ cmake pkgconfig doxygen ];
+  nativeBuildInputs = [ cmake pkg-config doxygen ];
 
   NIX_CFLAGS_COMPILE = "-include ${libGLU.dev}/include/GL/glu.h";
 
diff --git a/pkgs/applications/science/electronics/dsview/default.nix b/pkgs/applications/science/electronics/dsview/default.nix
index 8c5e9e41aac..ab16866fe01 100644
--- a/pkgs/applications/science/electronics/dsview/default.nix
+++ b/pkgs/applications/science/electronics/dsview/default.nix
@@ -1,4 +1,4 @@
-{ lib, mkDerivation, fetchFromGitHub, pkgconfig, cmake
+{ lib, mkDerivation, fetchFromGitHub, pkg-config, cmake
 , libzip, boost, fftw, qtbase, libusb1, libsigrok4dsl
 , libsigrokdecode4dsl, python3, fetchpatch
 }:
@@ -27,7 +27,7 @@ mkDerivation rec {
     ./qt515.patch
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     boost fftw qtbase libusb1 libzip libsigrokdecode4dsl libsigrok4dsl
diff --git a/pkgs/applications/science/electronics/dsview/libsigrok4dsl.nix b/pkgs/applications/science/electronics/dsview/libsigrok4dsl.nix
index a2fcb9a929d..8e04d72780c 100644
--- a/pkgs/applications/science/electronics/dsview/libsigrok4dsl.nix
+++ b/pkgs/applications/science/electronics/dsview/libsigrok4dsl.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, pkgconfig, autoreconfHook,
+{ lib, stdenv, pkg-config, autoreconfHook,
 glib, libzip, libserialport, check, libusb1, libftdi,
 systemd, alsaLib, dsview
 }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
     export sourceRoot=$sourceRoot/libsigrok4DSL
   '';
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
 
   buildInputs = [
     glib libzip libserialport libusb1 libftdi systemd check alsaLib
diff --git a/pkgs/applications/science/electronics/dsview/libsigrokdecode4dsl.nix b/pkgs/applications/science/electronics/dsview/libsigrokdecode4dsl.nix
index 2bab4b681d3..09eed4a67c5 100644
--- a/pkgs/applications/science/electronics/dsview/libsigrokdecode4dsl.nix
+++ b/pkgs/applications/science/electronics/dsview/libsigrokdecode4dsl.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, pkgconfig, autoreconfHook,
+{ lib, stdenv, pkg-config, autoreconfHook,
 glib, check, python3, dsview
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     export sourceRoot=$sourceRoot/libsigrokdecode4DSL
   '';
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
 
   buildInputs = [
     python3 glib check
diff --git a/pkgs/applications/science/electronics/fped/default.nix b/pkgs/applications/science/electronics/fped/default.nix
index 9ef47ae2634..f1c458f40d9 100644
--- a/pkgs/applications/science/electronics/fped/default.nix
+++ b/pkgs/applications/science/electronics/fped/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchgit
 , flex, bison, fig2dev, imagemagick, netpbm, gtk2
-, pkgconfig
+, pkg-config
 }:
 
 with lib;
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [
     flex
     bison
-    pkgconfig
+    pkg-config
     imagemagick
     fig2dev
     netpbm
diff --git a/pkgs/applications/science/electronics/fritzing/default.nix b/pkgs/applications/science/electronics/fritzing/default.nix
index 91d6f5e77ab..b25f76800e8 100644
--- a/pkgs/applications/science/electronics/fritzing/default.nix
+++ b/pkgs/applications/science/electronics/fritzing/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchpatch, fetchFromGitHub, qmake, pkgconfig
+{ mkDerivation, lib, stdenv, fetchpatch, fetchFromGitHub, qmake, pkg-config
 , qtbase, qtsvg, qttools, qtserialport, boost, libgit2
 }:
 
@@ -32,7 +32,7 @@ mkDerivation rec {
 
   buildInputs = [ qtbase qtsvg qtserialport boost libgit2 ];
 
-  nativeBuildInputs = [ qmake pkgconfig qttools ];
+  nativeBuildInputs = [ qmake pkg-config qttools ];
 
   patches = [(fetchpatch {
     name = "fix-libgit2-version.patch";
diff --git a/pkgs/applications/science/electronics/geda/default.nix b/pkgs/applications/science/electronics/geda/default.nix
index c9a3dcf1aa0..053211f52ad 100644
--- a/pkgs/applications/science/electronics/geda/default.nix
+++ b/pkgs/applications/science/electronics/geda/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, guile, gtk2, flex, gawk, perl }:
+{ lib, stdenv, fetchurl, pkg-config, guile, gtk2, flex, gawk, perl }:
 
 stdenv.mkDerivation {
   pname = "geda";
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
   configureFlags = [
     "--disable-update-xdg-database" 
   ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ guile gtk2 flex gawk perl ];
 
   meta = with lib; {
diff --git a/pkgs/applications/science/electronics/gerbv/default.nix b/pkgs/applications/science/electronics/gerbv/default.nix
index a44a892eabe..94a8f081f69 100644
--- a/pkgs/applications/science/electronics/gerbv/default.nix
+++ b/pkgs/applications/science/electronics/gerbv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, pkgconfig, gettext, libtool, automake, autoconf, cairo, gtk2, autoreconfHook }:
+{ lib, stdenv, fetchgit, pkg-config, gettext, libtool, automake, autoconf, cairo, gtk2, autoreconfHook }:
 
 stdenv.mkDerivation {
   pname = "gerbv";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "00jn1xhf6kblxc5gac1wvk8zm12fy6sk81nj3jwdag0z6wk3z446";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ gettext libtool automake autoconf cairo gtk2 ];
 
   configureFlags = ["--disable-update-desktop-database"];
diff --git a/pkgs/applications/science/electronics/gtkwave/default.nix b/pkgs/applications/science/electronics/gtkwave/default.nix
index aeca4326756..971891a5b01 100644
--- a/pkgs/applications/science/electronics/gtkwave/default.nix
+++ b/pkgs/applications/science/electronics/gtkwave/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, gtk3, gperf, pkgconfig, bzip2, tcl, tk, wrapGAppsHook, judy, xz }:
+{ lib, stdenv, fetchurl, glib, gtk3, gperf, pkg-config, bzip2, tcl, tk, wrapGAppsHook, judy, xz }:
 
 stdenv.mkDerivation rec {
   pname = "gtkwave";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0ma30jyc94iid3v3m8aw4i2lyiqfxkpsdvdmmaibynk400cbzivl";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
   buildInputs = [ glib gtk3 gperf bzip2 tcl tk judy xz ];
 
   configureFlags = [
diff --git a/pkgs/applications/science/electronics/hal-hardware-analyzer/default.nix b/pkgs/applications/science/electronics/hal-hardware-analyzer/default.nix
index c16f6bf122b..2c5ee674a23 100644
--- a/pkgs/applications/science/electronics/hal-hardware-analyzer/default.nix
+++ b/pkgs/applications/science/electronics/hal-hardware-analyzer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, ninja, pkgconfig, python3Packages
+{ lib, stdenv, fetchFromGitHub, cmake, ninja, pkg-config, python3Packages
 , boost, rapidjson, qtbase, qtsvg, igraph, spdlog, wrapQtAppsHook
 , fmt, graphviz, llvmPackages ? null
 }:
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     shopt -u extglob
   '';
 
-  nativeBuildInputs = [ cmake ninja pkgconfig ];
+  nativeBuildInputs = [ cmake ninja pkg-config ];
   buildInputs = [ qtbase qtsvg boost rapidjson igraph spdlog fmt graphviz wrapQtAppsHook ]
     ++ (with python3Packages; [ python pybind11 ])
     ++ lib.optional stdenv.cc.isClang llvmPackages.openmp;
diff --git a/pkgs/applications/science/electronics/horizon-eda/default.nix b/pkgs/applications/science/electronics/horizon-eda/default.nix
index 6b9f07ee68f..8e4241b3ea9 100644
--- a/pkgs/applications/science/electronics/horizon-eda/default.nix
+++ b/pkgs/applications/science/electronics/horizon-eda/default.nix
@@ -13,7 +13,7 @@
 , libuuid
 , libzip
 , opencascade
-, pkgconfig
+, pkg-config
 , podofo
 , python3
 , sqlite
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     boost.dev
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/science/electronics/hyp2mat/default.nix b/pkgs/applications/science/electronics/hyp2mat/default.nix
index 01d587fc172..799af4c4308 100644
--- a/pkgs/applications/science/electronics/hyp2mat/default.nix
+++ b/pkgs/applications/science/electronics/hyp2mat/default.nix
@@ -7,7 +7,7 @@
 , groff
 , libharu
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , libpng
 , zlib
 }:
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/science/electronics/kicad/base.nix b/pkgs/applications/science/electronics/kicad/base.nix
index c2da57d1833..3ed6234b4f8 100644
--- a/pkgs/applications/science/electronics/kicad/base.nix
+++ b/pkgs/applications/science/electronics/kicad/base.nix
@@ -13,7 +13,7 @@
 , curl
 , openssl
 , boost
-, pkgconfig
+, pkg-config
 , doxygen
 , pcre
 , libpthreadstubs
@@ -94,7 +94,7 @@ stdenv.mkDerivation rec {
     ]
   ;
 
-  nativeBuildInputs = [ cmake doxygen pkgconfig lndir ];
+  nativeBuildInputs = [ cmake doxygen pkg-config lndir ];
 
   buildInputs = [
     libGLU
diff --git a/pkgs/applications/science/electronics/pcb/default.nix b/pkgs/applications/science/electronics/pcb/default.nix
index 47de2173947..69ff7b2e69f 100644
--- a/pkgs/applications/science/electronics/pcb/default.nix
+++ b/pkgs/applications/science/electronics/pcb/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , gtk2
 , bison
 , intltool
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     bison
     intltool
     flex
diff --git a/pkgs/applications/science/electronics/pulseview/default.nix b/pkgs/applications/science/electronics/pulseview/default.nix
index f43717389b5..00c830fcd33 100644
--- a/pkgs/applications/science/electronics/pulseview/default.nix
+++ b/pkgs/applications/science/electronics/pulseview/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchurl, pkgconfig, cmake, glib, boost, libsigrok
+{ mkDerivation, lib, fetchurl, pkg-config, cmake, glib, boost, libsigrok
 , libsigrokdecode, libserialport, libzip, udev, libusb1, libftdi1, glibmm
 , pcre, librevisa, python3, qtbase, qtsvg
 }:
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "0bvgmkgz37n2bi9niskpl05hf7rsj1lj972fbrgnlz25s4ywxrwy";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [
     glib boost libsigrok libsigrokdecode libserialport libzip udev libusb1 libftdi1 glibmm
diff --git a/pkgs/applications/science/electronics/xcircuit/default.nix b/pkgs/applications/science/electronics/xcircuit/default.nix
index 013f5a098bc..68322a19178 100644
--- a/pkgs/applications/science/electronics/xcircuit/default.nix
+++ b/pkgs/applications/science/electronics/xcircuit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, automake, pkgconfig
+{ lib, stdenv, fetchurl, autoreconfHook, automake, pkg-config
 , cairo, ghostscript, ngspice, tcl, tk, xorg, zlib }:
 
 let
@@ -14,7 +14,7 @@ in stdenv.mkDerivation {
     sha256 = "1h1ywc3mr7plvwnhdii2zgnnv5ih2nhyl4qbdjpi83dq0aq1s2mn";
   };
 
-  nativeBuildInputs = [ autoreconfHook automake pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook automake pkg-config ];
   hardeningDisable = [ "format" ];
 
   configureFlags = [
diff --git a/pkgs/applications/science/electronics/xoscope/default.nix b/pkgs/applications/science/electronics/xoscope/default.nix
index 26fbadc6159..5052a3715ef 100644
--- a/pkgs/applications/science/electronics/xoscope/default.nix
+++ b/pkgs/applications/science/electronics/xoscope/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, gtk2, pkgconfig}:
+{lib, stdenv, fetchurl, gtk2, pkg-config}:
 
 stdenv.mkDerivation rec {
   name = "xoscope-2.0";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "00xlvvqyw6l1ljbsx1vgx2v1jfh0xacz1a0yhq1dj6yxf5wh58x8";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 ];
 
   # from: https://aur.archlinux.org/packages.php?ID=12140&detail=1
diff --git a/pkgs/applications/science/geometry/drgeo/default.nix b/pkgs/applications/science/geometry/drgeo/default.nix
index a147cb305cc..59d7315ef41 100644
--- a/pkgs/applications/science/geometry/drgeo/default.nix
+++ b/pkgs/applications/science/geometry/drgeo/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libglade, gtk2, guile, libxml2, perl
-, intltool, libtool, pkgconfig }:
+, intltool, libtool, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "drgeo";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   patches = [ ./struct.patch ];
 
   buildInputs = [libglade gtk2 guile libxml2
-    perl intltool libtool pkgconfig];
+    perl intltool libtool pkg-config];
 
   prebuild = ''
     cp drgeo.desktop.in drgeo.desktop
diff --git a/pkgs/applications/science/logic/coq/default.nix b/pkgs/applications/science/logic/coq/default.nix
index 54842dd4769..a2ff8382947 100644
--- a/pkgs/applications/science/logic/coq/default.nix
+++ b/pkgs/applications/science/logic/coq/default.nix
@@ -5,7 +5,7 @@
 # - The exact version can be specified through the `version` argument to
 #   the derivation; it defaults to the latest stable version.
 
-{ lib, stdenv, fetchzip, writeText, pkgconfig, gnumake42
+{ lib, stdenv, fetchzip, writeText, pkg-config, gnumake42
 , customOCamlPackages ? null
 , ocamlPackages_4_05, ocamlPackages_4_09, ocamlPackages_4_10, ncurses
 , buildIde ? !(stdenv.isDarwin && lib.versionAtLeast version "8.10")
@@ -121,7 +121,7 @@ self = stdenv.mkDerivation {
     '';
   };
 
-  nativeBuildInputs = [ pkgconfig ] ++ optional (!versionAtLeast "8.6") gnumake42;
+  nativeBuildInputs = [ pkg-config ] ++ optional (!versionAtLeast "8.6") gnumake42;
   buildInputs = [ ncurses ] ++ ocamlBuildInputs
     ++ optionals buildIde
       (if versionAtLeast "8.10"
diff --git a/pkgs/applications/science/logic/cvc4/default.nix b/pkgs/applications/science/logic/cvc4/default.nix
index fd31a5732e3..b0b3e5e610e 100644
--- a/pkgs/applications/science/logic/cvc4/default.nix
+++ b/pkgs/applications/science/logic/cvc4/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, cln, gmp, git, swig, pkgconfig
+{ lib, stdenv, fetchFromGitHub, cmake, cln, gmp, git, swig, pkg-config
 , readline, libantlr3c, boost, jdk, python3, antlr3_4
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "1rhs4pvzaa1wk00czrczp58b2cxfghpsnq534m0l3snnya2958jp";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ gmp git python3.pkgs.toml cln readline swig libantlr3c antlr3_4 boost jdk python3 ];
   configureFlags = [
     "--enable-language-bindings=c,c++,java"
diff --git a/pkgs/applications/science/logic/elan/default.nix b/pkgs/applications/science/logic/elan/default.nix
index d094019dbe9..bb10998b2f4 100644
--- a/pkgs/applications/science/logic/elan/default.nix
+++ b/pkgs/applications/science/logic/elan/default.nix
@@ -1,4 +1,4 @@
-{ lib, pkgconfig, curl, openssl, zlib, fetchFromGitHub, rustPlatform }:
+{ lib, pkg-config, curl, openssl, zlib, fetchFromGitHub, rustPlatform }:
 
 rustPlatform.buildRustPackage rec {
   pname = "elan";
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "sha256-2fYicpoEERwD4OjdpseKQOkDvZlb7NnOZcb6Tu+rQdA=";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ curl zlib openssl ];
 
diff --git a/pkgs/applications/science/logic/ott/default.nix b/pkgs/applications/science/logic/ott/default.nix
index 3542dab9382..8752c4ef59d 100644
--- a/pkgs/applications/science/logic/ott/default.nix
+++ b/pkgs/applications/science/logic/ott/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, ocaml, opaline }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, ocaml, opaline }:
 
 stdenv.mkDerivation rec {
   pname = "ott";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l81126i2qkz11fs5yrjdgymnqgjcs5avb7f951h61yh1s68jpnn";
   };
 
-  nativeBuildInputs = [ pkgconfig opaline ];
+  nativeBuildInputs = [ pkg-config opaline ];
   buildInputs = [ ocaml ];
 
   installTargets = "ott.install";
diff --git a/pkgs/applications/science/logic/prooftree/default.nix b/pkgs/applications/science/logic/prooftree/default.nix
index 4db3c333e97..2606b94f4bb 100644
--- a/pkgs/applications/science/logic/prooftree/default.nix
+++ b/pkgs/applications/science/logic/prooftree/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, ncurses, ocamlPackages }:
+{ lib, stdenv, fetchurl, pkg-config, ncurses, ocamlPackages }:
 
 stdenv.mkDerivation rec {
   pname = "prooftree";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0z1z4wqbqwgppkh2bm89fgy07a0y2m6g4lvcyzs09sm1ysklk2dh";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses ] ++ (with ocamlPackages; [
     ocaml findlib camlp5 lablgtk ]);
 
diff --git a/pkgs/applications/science/logic/twelf/default.nix b/pkgs/applications/science/logic/twelf/default.nix
index 73fe423673b..67779b2b572 100644
--- a/pkgs/applications/science/logic/twelf/default.nix
+++ b/pkgs/applications/science/logic/twelf/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, smlnj, rsync }:
+{ lib, stdenv, fetchurl, pkg-config, smlnj, rsync }:
 
 stdenv.mkDerivation rec {
   pname = "twelf";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0fi1kbs9hrdrm1x4k13angpjasxlyd1gc3ys8ah54i75qbcd9c4i";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ smlnj rsync ];
 
   buildPhase = ''
diff --git a/pkgs/applications/science/math/R/default.nix b/pkgs/applications/science/math/R/default.nix
index d9fbc626e00..7cbff99bf47 100644
--- a/pkgs/applications/science/math/R/default.nix
+++ b/pkgs/applications/science/math/R/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl, bzip2, gfortran, libX11, libXmu, libXt, libjpeg, libpng
 , libtiff, ncurses, pango, pcre2, perl, readline, tcl, texLive, tk, xz, zlib
-, less, texinfo, graphviz, icu, pkgconfig, bison, imake, which, jdk, blas, lapack
+, less, texinfo, graphviz, icu, pkg-config, bison, imake, which, jdk, blas, lapack
 , curl, Cocoa, Foundation, libobjc, libcxx, tzdata, fetchpatch
 , withRecommendedPackages ? true
 , enableStrictBarrier ? false
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     bzip2 gfortran libX11 libXmu libXt libXt libjpeg libpng libtiff ncurses
     pango pcre2 perl readline texLive xz zlib less texinfo graphviz icu
-    pkgconfig bison imake which blas lapack curl tcl tk jdk
+    pkg-config bison imake which blas lapack curl tcl tk jdk
   ] ++ lib.optionals stdenv.isDarwin [ Cocoa Foundation libobjc libcxx ];
 
   patches = [
diff --git a/pkgs/applications/science/math/cemu/default.nix b/pkgs/applications/science/math/cemu/default.nix
index 65dd05d3d62..cc8c3514a0b 100644
--- a/pkgs/applications/science/math/cemu/default.nix
+++ b/pkgs/applications/science/math/cemu/default.nix
@@ -9,7 +9,7 @@
 , qmake
 , git
 , libpng_apng
-, pkgconfig
+, pkg-config
 }:
 
 mkDerivation rec {
@@ -26,7 +26,7 @@ mkDerivation rec {
   nativeBuildInputs = [
     qmake
     git
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/science/math/ginac/default.nix b/pkgs/applications/science/math/ginac/default.nix
index c55e8d9adff..4bb9b0ae681 100644
--- a/pkgs/applications/science/math/ginac/default.nix
+++ b/pkgs/applications/science/math/ginac/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cln, pkgconfig, readline, gmp, python }:
+{ lib, stdenv, fetchurl, cln, pkg-config, readline, gmp, python }:
 
 stdenv.mkDerivation rec {
   name = "ginac-1.8.0";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ readline ] ++ lib.optional stdenv.isDarwin gmp;
 
-  nativeBuildInputs = [ pkgconfig python ];
+  nativeBuildInputs = [ pkg-config python ];
 
   preConfigure = "patchShebangs ginsh";
 
diff --git a/pkgs/applications/science/math/nasc/default.nix b/pkgs/applications/science/math/nasc/default.nix
index 37173f81978..931e83defdc 100644
--- a/pkgs/applications/science/math/nasc/default.nix
+++ b/pkgs/applications/science/math/nasc/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , fetchpatch
 , python3
 , meson
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     intltool # for libqalculate
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/science/math/pspp/default.nix b/pkgs/applications/science/math/pspp/default.nix
index 9d76ef75d26..6e9ff90315c 100644
--- a/pkgs/applications/science/math/pspp/default.nix
+++ b/pkgs/applications/science/math/pspp/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libxml2, readline, zlib, perl, cairo, gtk3, gsl
-, pkgconfig, gtksourceview, pango, gettext, dconf
+, pkg-config, gtksourceview, pango, gettext, dconf
 , makeWrapper, gsettings-desktop-schemas, hicolor-icon-theme
 , texinfo, ssw, python3
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0lqrash677b09zxdlxp89z6k02y4i23mbqg83956dwl69wc53dan";
   };
 
-  nativeBuildInputs = [ pkgconfig texinfo python3 ];
+  nativeBuildInputs = [ pkg-config texinfo python3 ];
   buildInputs = [ libxml2 readline zlib perl cairo gtk3 gsl
     gtksourceview pango gettext
     makeWrapper gsettings-desktop-schemas hicolor-icon-theme ssw
diff --git a/pkgs/applications/science/math/pynac/default.nix b/pkgs/applications/science/math/pynac/default.nix
index d49285c3e2f..00d35b491d6 100644
--- a/pkgs/applications/science/math/pynac/default.nix
+++ b/pkgs/applications/science/math/pynac/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , fetchurl
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , flint
 , gmp
 , python3
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
   ];
 
   patches = [
diff --git a/pkgs/applications/science/math/qalculate-gtk/default.nix b/pkgs/applications/science/math/qalculate-gtk/default.nix
index d7d880df040..3d80d8c039e 100644
--- a/pkgs/applications/science/math/qalculate-gtk/default.nix
+++ b/pkgs/applications/science/math/qalculate-gtk/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, intltool, autoreconfHook, pkgconfig, libqalculate, gtk3, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitHub, intltool, autoreconfHook, pkg-config, libqalculate, gtk3, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "qalculate-gtk";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  nativeBuildInputs = [ intltool pkgconfig autoreconfHook wrapGAppsHook ];
+  nativeBuildInputs = [ intltool pkg-config autoreconfHook wrapGAppsHook ];
   buildInputs = [ libqalculate gtk3 ];
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/science/math/rofi-calc/default.nix b/pkgs/applications/science/math/rofi-calc/default.nix
index e7cf98c7266..9e0c8403646 100644
--- a/pkgs/applications/science/math/rofi-calc/default.nix
+++ b/pkgs/applications/science/math/rofi-calc/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , rofi-unwrapped
 , libqalculate
 , glib
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     gobject-introspection
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/science/math/sage/default.nix b/pkgs/applications/science/math/sage/default.nix
index 416f2b957b7..8ef1f5189e5 100644
--- a/pkgs/applications/science/math/sage/default.nix
+++ b/pkgs/applications/science/math/sage/default.nix
@@ -17,7 +17,7 @@ let
         inherit sage-src env-locations pynac singular;
         ecl = maxima-ecl.ecl;
         linbox = pkgs.linbox.override { withSage = true; };
-        pkg-config = pkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
+        pkg-config = pkgs.pkg-config; # not to confuse with pythonPackages.pkg-config
       };
     };
   };
@@ -56,7 +56,7 @@ let
     inherit env-locations;
     inherit python3 singular palp flint pynac pythonEnv maxima-ecl;
     ecl = maxima-ecl.ecl;
-    pkg-config = pkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
+    pkg-config = pkgs.pkg-config; # not to confuse with pythonPackages.pkg-config
   };
 
   # The documentation for sage, building it takes a lot of ram.
@@ -70,7 +70,7 @@ let
     inherit python3 pythonEnv;
     inherit sage-env;
     inherit pynac singular maxima-ecl;
-    pkg-config = pkgs.pkgconfig; # not to confuse with pythonPackages.pkgconfig
+    pkg-config = pkgs.pkg-config; # not to confuse with pythonPackages.pkg-config
     three = nodePackages.three;
   };
 
diff --git a/pkgs/applications/science/math/singular/default.nix b/pkgs/applications/science/math/singular/default.nix
index 8c5eac2c06d..fad05099a73 100644
--- a/pkgs/applications/science/math/singular/default.nix
+++ b/pkgs/applications/science/math/singular/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gmp, bison, perl, ncurses, readline, coreutils, pkgconfig
+{ stdenv, fetchurl, gmp, bison, perl, ncurses, readline, coreutils, pkg-config
 , lib
 , fetchpatch
 , autoreconfHook
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     bison
     perl
-    pkgconfig
+    pkg-config
     autoreconfHook
   ];
 
diff --git a/pkgs/applications/science/misc/boinc/default.nix b/pkgs/applications/science/misc/boinc/default.nix
index e549fda1162..460ea1408ec 100644
--- a/pkgs/applications/science/misc/boinc/default.nix
+++ b/pkgs/applications/science/misc/boinc/default.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, lib, stdenv, autoconf, automake, pkgconfig, m4, curl,
+{ fetchFromGitHub, lib, stdenv, autoconf, automake, pkg-config, m4, curl,
 libGLU, libGL, libXmu, libXi, freeglut, libjpeg, libtool, wxGTK30, xcbutil,
 sqlite, gtk2, patchelf, libXScrnSaver, libnotify, libX11, libxcb }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "0nicpkag18xq0libfqqvs0im22mijpsxzfk272iwdd9l0lmgfvyd";
   };
 
-  nativeBuildInputs = [ libtool automake autoconf m4 pkgconfig ];
+  nativeBuildInputs = [ libtool automake autoconf m4 pkg-config ];
 
   buildInputs = [
     curl libGLU libGL libXmu libXi freeglut libjpeg wxGTK30 sqlite gtk2 libXScrnSaver
diff --git a/pkgs/applications/science/misc/openmodelica/default.nix b/pkgs/applications/science/misc/openmodelica/default.nix
index a18131993e5..cab0fa5ff5c 100644
--- a/pkgs/applications/science/misc/openmodelica/default.nix
+++ b/pkgs/applications/science/misc/openmodelica/default.nix
@@ -1,6 +1,6 @@
 {lib, stdenv, fetchgit, fetchsvn, autoconf, automake, libtool, gfortran, clang, cmake, gnumake,
 hwloc, jre, lapack, blas, hdf5, expat, ncurses, readline, qt4, webkitgtk, which,
-lp_solve, omniorb, sqlite, libatomic_ops, pkgconfig, file, gettext, flex, bison,
+lp_solve, omniorb, sqlite, libatomic_ops, pkg-config, file, gettext, flex, bison,
 doxygen, boost, openscenegraph, gnome2, xorg, git, bash, gtk2, makeWrapper }:
 
 let
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
 
   buildInputs = [autoconf cmake automake libtool gfortran clang gnumake
     hwloc jre lapack blas hdf5 expat ncurses readline qt4 webkitgtk which
-    lp_solve omniorb sqlite libatomic_ops pkgconfig file gettext flex bison
+    lp_solve omniorb sqlite libatomic_ops pkg-config file gettext flex bison
     doxygen boost openscenegraph gnome2.gtkglext xorg.libXmu
     git gtk2 makeWrapper];
 
diff --git a/pkgs/applications/science/misc/openmvg/default.nix b/pkgs/applications/science/misc/openmvg/default.nix
index bf21983adcd..2e34f2d15d2 100644
--- a/pkgs/applications/science/misc/openmvg/default.nix
+++ b/pkgs/applications/science/misc/openmvg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, cmake
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake
 , libjpeg ? null
 , zlib ? null
 , libpng ? null
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libjpeg zlib libpng eigen libtiff ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   cmakeFlags = [
     "-DCMAKE_CXX_FLAGS=-std=c++11"
diff --git a/pkgs/applications/science/misc/openmvs/default.nix b/pkgs/applications/science/misc/openmvs/default.nix
index ec22aaa599b..731230130ca 100644
--- a/pkgs/applications/science/misc/openmvs/default.nix
+++ b/pkgs/applications/science/misc/openmvs/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, cmake
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake
 , eigen, opencv, ceres-solver, cgal, boost, vcg
 , gmp, mpfr, glog, gflags, libjpeg_turbo }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ eigen opencv ceres-solver cgal boost vcg gmp mpfr glog gflags libjpeg_turbo ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   preConfigure = ''
     cmakeFlagsArray=(
diff --git a/pkgs/applications/science/misc/root/default.nix b/pkgs/applications/science/misc/root/default.nix
index 425d3e1e4b9..2f3d57c31e7 100644
--- a/pkgs/applications/science/misc/root/default.nix
+++ b/pkgs/applications/science/misc/root/default.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, fetchurl, makeWrapper, cmake, ftgl, gl2ps, glew, gsl, llvm_5
 , libX11, libXpm, libXft, libXext, libGLU, libGL, libxml2, lz4, lzma, pcre
-, pkgconfig, python, xxHash, zlib, zstd
+, pkg-config, python, xxHash, zlib, zstd
 , libAfterImage, giflib, libjpeg, libtiff, libpng
 , Cocoa, OpenGL, noSplash ? false }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0mqvj42nax0bmz8h83jjlwjm3xxjy1n0n10inc8csip9ly28fs64";
   };
 
-  nativeBuildInputs = [ makeWrapper cmake pkgconfig ];
+  nativeBuildInputs = [ makeWrapper cmake pkg-config ];
   buildInputs = [ ftgl gl2ps glew pcre zlib zstd llvm_5 libxml2 lz4 lzma gsl xxHash libAfterImage giflib libjpeg libtiff libpng python.pkgs.numpy ]
     ++ lib.optionals (!stdenv.isDarwin) [ libX11 libXpm libXft libXext libGLU libGL ]
     ++ lib.optionals (stdenv.isDarwin) [ Cocoa OpenGL ]
diff --git a/pkgs/applications/science/robotics/qgroundcontrol/default.nix b/pkgs/applications/science/robotics/qgroundcontrol/default.nix
index 023a4fc8b6a..95c8aebd32d 100644
--- a/pkgs/applications/science/robotics/qgroundcontrol/default.nix
+++ b/pkgs/applications/science/robotics/qgroundcontrol/default.nix
@@ -1,7 +1,7 @@
 { lib, mkDerivation, fetchFromGitHub, SDL2
 , qtbase, qtcharts, qtlocation, qtserialport, qtsvg, qtquickcontrols2
 , qtgraphicaleffects, qtspeech, qtx11extras, qmake, qttools
-, gst_all_1, wayland, pkgconfig
+, gst_all_1, wayland, pkg-config
 }:
 
 mkDerivation rec {
@@ -19,7 +19,7 @@ mkDerivation rec {
 
   enableParallelBuilding = true;
   buildInputs = [ SDL2 ] ++ gstInputs ++ qtInputs;
-  nativeBuildInputs = [ pkgconfig qmake qttools ];
+  nativeBuildInputs = [ pkg-config qmake qttools ];
 
   preConfigure = ''
     mkdir build
diff --git a/pkgs/applications/terminal-emulators/alacritty/default.nix b/pkgs/applications/terminal-emulators/alacritty/default.nix
index 13a67c6236f..6049b0e45e6 100644
--- a/pkgs/applications/terminal-emulators/alacritty/default.nix
+++ b/pkgs/applications/terminal-emulators/alacritty/default.nix
@@ -8,7 +8,7 @@
 , installShellFiles
 , makeWrapper
 , ncurses
-, pkgconfig
+, pkg-config
 , python3
 
 , expat
@@ -69,7 +69,7 @@ rustPlatform.buildRustPackage rec {
     installShellFiles
     makeWrapper
     ncurses
-    pkgconfig
+    pkg-config
     python3
   ];
 
diff --git a/pkgs/applications/terminal-emulators/eterm/default.nix b/pkgs/applications/terminal-emulators/eterm/default.nix
index b72b31babe0..9e2afe57907 100644
--- a/pkgs/applications/terminal-emulators/eterm/default.nix
+++ b/pkgs/applications/terminal-emulators/eterm/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl
 , libX11, libXext, libXaw
-, pkgconfig, imlib2, libast }:
+, pkg-config, imlib2, libast }:
 
 stdenv.mkDerivation rec {
   pname = "eterm";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0g71szjklkiczxwzbjjfm59y6v9w4hp8mg7cy99z1g7qcjm0gfbj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 libXext libXaw imlib2 ];
   propagatedBuildInputs = [ libast ];
 
diff --git a/pkgs/applications/terminal-emulators/evilvte/default.nix b/pkgs/applications/terminal-emulators/evilvte/default.nix
index 40e723f1682..06dafe09168 100644
--- a/pkgs/applications/terminal-emulators/evilvte/default.nix
+++ b/pkgs/applications/terminal-emulators/evilvte/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, makeWrapper, pkgconfig,
+{ lib, stdenv, fetchgit, makeWrapper, pkg-config,
   gnome2, glib, pango, cairo, gdk-pixbuf, atk, freetype, xorg,
   configH ? ""
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
 
   buildInputs = [
     gnome2.vte glib pango gnome2.gtk cairo gdk-pixbuf atk freetype xorg.libX11
-    xorg.xorgproto xorg.libXext makeWrapper pkgconfig
+    xorg.xorgproto xorg.libXext makeWrapper pkg-config
   ];
 
   buildPhase = ''
diff --git a/pkgs/applications/terminal-emulators/havoc/default.nix b/pkgs/applications/terminal-emulators/havoc/default.nix
index 61fd5831dc9..5df53be3b92 100644
--- a/pkgs/applications/terminal-emulators/havoc/default.nix
+++ b/pkgs/applications/terminal-emulators/havoc/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, pkgconfig, libxkbcommon, wayland, wayland-protocols }:
+, pkg-config, libxkbcommon, wayland, wayland-protocols }:
 
 stdenv.mkDerivation rec {
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "1g05r9j6srwz1krqvzckx80jn8fm48rkb4xp68953gy9yp2skg3k";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxkbcommon wayland wayland-protocols ];
 
   dontConfigure = true;
diff --git a/pkgs/applications/terminal-emulators/kitty/default.nix b/pkgs/applications/terminal-emulators/kitty/default.nix
index fbafa1c6bc9..91d7b48738e 100644
--- a/pkgs/applications/terminal-emulators/kitty/default.nix
+++ b/pkgs/applications/terminal-emulators/kitty/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, substituteAll, fetchFromGitHub, python3Packages, libunistring,
-  harfbuzz, fontconfig, pkgconfig, ncurses, imagemagick, xsel,
+  harfbuzz, fontconfig, pkg-config, ncurses, imagemagick, xsel,
   libstartup_notification, libGL, libX11, libXrandr, libXinerama, libXcursor,
   libxkbcommon, libXi, libXext, wayland-protocols, wayland,
   lcms2,
@@ -52,7 +52,7 @@ buildPythonApplication rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig sphinx ncurses
+    pkg-config sphinx ncurses
     installShellFiles
   ] ++ lib.optionals stdenv.isDarwin [
     imagemagick
diff --git a/pkgs/applications/terminal-emulators/lilyterm/default.nix b/pkgs/applications/terminal-emulators/lilyterm/default.nix
index 9822b180b23..9e2d2a67b44 100644
--- a/pkgs/applications/terminal-emulators/lilyterm/default.nix
+++ b/pkgs/applications/terminal-emulators/lilyterm/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl, fetchFromGitHub
-, pkgconfig
+, pkg-config
 , autoconf, automake, intltool, gettext
 , gtk, vte
 , flavour ? "stable"
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
 
   inherit (stuff) src version;
 
-  nativeBuildInputs = [ pkgconfig autoconf automake intltool gettext ];
+  nativeBuildInputs = [ pkg-config autoconf automake intltool gettext ];
   buildInputs = [ gtk vte ];
 
   preConfigure = "sh autogen.sh";
diff --git a/pkgs/applications/terminal-emulators/lxterminal/default.nix b/pkgs/applications/terminal-emulators/lxterminal/default.nix
index 0b992cd2689..a62db90c9e0 100644
--- a/pkgs/applications/terminal-emulators/lxterminal/default.nix
+++ b/pkgs/applications/terminal-emulators/lxterminal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, automake, autoconf, intltool, pkgconfig, gtk3, vte, wrapGAppsHook
+{ lib, stdenv, fetchurl, automake, autoconf, intltool, pkg-config, gtk3, vte, wrapGAppsHook
 , libxslt, docbook_xml_dtd_412, docbook_xsl, libxml2, findXMLCatalogs
 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   ];
 
   nativeBuildInputs = [
-    automake autoconf intltool pkgconfig wrapGAppsHook
+    automake autoconf intltool pkg-config wrapGAppsHook
     libxslt docbook_xml_dtd_412 docbook_xsl libxml2 findXMLCatalogs
   ];
 
diff --git a/pkgs/applications/terminal-emulators/mlterm/default.nix b/pkgs/applications/terminal-emulators/mlterm/default.nix
index 9c01430d6df..94629314341 100644
--- a/pkgs/applications/terminal-emulators/mlterm/default.nix
+++ b/pkgs/applications/terminal-emulators/mlterm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkgconfig, autoconf, makeDesktopItem
+{ stdenv, lib, fetchFromGitHub, pkg-config, autoconf, makeDesktopItem
 , libX11, gdk-pixbuf, cairo, libXft, gtk3, vte
 , harfbuzz #substituting glyphs with opentype fonts
 , fribidi, m17n_lib #bidi and encoding
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "1hh196kz2n3asv8r8r2bdk5b2w93zq7rw4880ciiq1554h0ib7fj";
   };
 
-  nativeBuildInputs = [ pkgconfig autoconf wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config autoconf wrapGAppsHook ];
   buildInputs = [
     libX11
     gdk-pixbuf.dev
diff --git a/pkgs/applications/terminal-emulators/mrxvt/default.nix b/pkgs/applications/terminal-emulators/mrxvt/default.nix
index e273e96cbed..d46ff802239 100644
--- a/pkgs/applications/terminal-emulators/mrxvt/default.nix
+++ b/pkgs/applications/terminal-emulators/mrxvt/default.nix
@@ -1,11 +1,11 @@
 { lib, stdenv, fetchurl, libX11, libXft, libXi, xorgproto, libSM, libICE
-, freetype, pkgconfig, which }:
+, freetype, pkg-config, which }:
 
 stdenv.mkDerivation {
   name = "mrxvt-0.5.4";
 
   buildInputs =
-    [ libX11 libXft libXi xorgproto libSM libICE freetype pkgconfig which ];
+    [ libX11 libXft libXi xorgproto libSM libICE freetype pkg-config which ];
 
   configureFlags = [
     "--with-x"
diff --git a/pkgs/applications/terminal-emulators/roxterm/default.nix b/pkgs/applications/terminal-emulators/roxterm/default.nix
index 93c3ab099c9..fff534aaff1 100644
--- a/pkgs/applications/terminal-emulators/roxterm/default.nix
+++ b/pkgs/applications/terminal-emulators/roxterm/default.nix
@@ -1,7 +1,7 @@
 { at-spi2-core, cmake, dbus, dbus-glib, docbook_xsl, epoxy, fetchpatch, fetchFromGitHub
 , glib, gtk3, harfbuzz, libXdmcp, libXtst, libpthreadstubs
 , libselinux, libsepol, libtasn1, libxkbcommon, libxslt, p11-kit, pcre2
-, pkgconfig, lib, stdenv, util-linuxMinimal, vte, wrapGAppsHook, xmlto
+, pkg-config, lib, stdenv, util-linuxMinimal, vte, wrapGAppsHook, xmlto
 }:
 
 stdenv.mkDerivation rec {
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook libxslt ];
+  nativeBuildInputs = [ cmake pkg-config wrapGAppsHook libxslt ];
 
   buildInputs =
     [ gtk3 dbus dbus-glib vte pcre2 harfbuzz libpthreadstubs libXdmcp
diff --git a/pkgs/applications/terminal-emulators/rxvt-unicode-plugins/urxvt-bidi/default.nix b/pkgs/applications/terminal-emulators/rxvt-unicode-plugins/urxvt-bidi/default.nix
index 4b6b4eb8184..cb3843cb61e 100644
--- a/pkgs/applications/terminal-emulators/rxvt-unicode-plugins/urxvt-bidi/default.nix
+++ b/pkgs/applications/terminal-emulators/rxvt-unicode-plugins/urxvt-bidi/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, perlPackages, pkgconfig, fribidi }:
+{ lib, fetchurl, perlPackages, pkg-config, fribidi }:
 
 perlPackages.buildPerlPackage rec {
   pname = "urxvt-bidi";
@@ -9,7 +9,7 @@ perlPackages.buildPerlPackage rec {
     sha256 = "1w65xbi4mw5acsrpv3phyzv82ghb29kpbb3b1b1gcinlfxl6f61m";
   };
 
-  nativeBuildInputs = [ pkgconfig perlPackages.ExtUtilsPkgConfig ];
+  nativeBuildInputs = [ pkg-config perlPackages.ExtUtilsPkgConfig ];
   buildInputs = [ fribidi ];
 
   postInstall = ''
diff --git a/pkgs/applications/terminal-emulators/rxvt-unicode/default.nix b/pkgs/applications/terminal-emulators/rxvt-unicode/default.nix
index fe1ddf57679..82536e4b873 100644
--- a/pkgs/applications/terminal-emulators/rxvt-unicode/default.nix
+++ b/pkgs/applications/terminal-emulators/rxvt-unicode/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, makeDesktopItem
 , libX11, libXt, libXft, libXrender
 , ncurses, fontconfig, freetype
-, pkgconfig, gdk-pixbuf, perl
+, pkg-config, gdk-pixbuf, perl
 , perlSupport      ? true
 , gdkPixbufSupport ? true
 , unicode3Support  ? true
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
 
   buildInputs =
     [ libX11 libXt libXft ncurses  # required to build the terminfo file
-      fontconfig freetype pkgconfig libXrender
+      fontconfig freetype pkg-config libXrender
     ] ++ optional perlSupport perl
       ++ optional gdkPixbufSupport gdk-pixbuf;
 
diff --git a/pkgs/applications/terminal-emulators/rxvt/default.nix b/pkgs/applications/terminal-emulators/rxvt/default.nix
index 2c89940f760..0cd4f13e465 100644
--- a/pkgs/applications/terminal-emulators/rxvt/default.nix
+++ b/pkgs/applications/terminal-emulators/rxvt/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, pkgconfig, libtool
+, pkg-config, libtool
 , libX11, libXt, libXpm }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jfl71gz3k7zh3kxdb8lxi06kajjnx7bq1rxjgk680l209jxask1";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libtool libX11 libXt libXpm ];
 
   configurePhase = ''
diff --git a/pkgs/applications/terminal-emulators/sakura/default.nix b/pkgs/applications/terminal-emulators/sakura/default.nix
index 6aa1c4b44df..af56f54a414 100644
--- a/pkgs/applications/terminal-emulators/sakura/default.nix
+++ b/pkgs/applications/terminal-emulators/sakura/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchurl
 , cmake
-, pkgconfig
+, pkg-config
 , gtk3
 , perl
 , vte
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sha256 = "sha256-cppODnUKQpS9kFkkOqxU3yqAElAVn8VQtQsP4Carkos=";
   };
 
-  nativeBuildInputs = [ cmake perl pkgconfig makeWrapper ];
+  nativeBuildInputs = [ cmake perl pkg-config makeWrapper ];
 
   buildInputs = [ gtk3 vte pcre2 glib ];
 
diff --git a/pkgs/applications/terminal-emulators/st/default.nix b/pkgs/applications/terminal-emulators/st/default.nix
index 77ec7c7bee7..4e43bed0a07 100644
--- a/pkgs/applications/terminal-emulators/st/default.nix
+++ b/pkgs/applications/terminal-emulators/st/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, writeText, libX11, ncurses
+{ lib, stdenv, fetchurl, pkg-config, writeText, libX11, ncurses
 , libXft, conf ? null, patches ? [], extraLibs ? []}:
 
 with lib;
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     substituteInPlace config.mk --replace "-lrt" ""
   '';
 
-  nativeBuildInputs = [ pkgconfig ncurses ];
+  nativeBuildInputs = [ pkg-config ncurses ];
   buildInputs = [ libX11 libXft ] ++ extraLibs;
 
   installPhase = ''
diff --git a/pkgs/applications/terminal-emulators/st/xst.nix b/pkgs/applications/terminal-emulators/st/xst.nix
index c183bc391de..9634a3be6b6 100644
--- a/pkgs/applications/terminal-emulators/st/xst.nix
+++ b/pkgs/applications/terminal-emulators/st/xst.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libX11, ncurses, libXext, libXft, fontconfig }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, libX11, ncurses, libXext, libXft, fontconfig }:
 
 with lib;
 
@@ -15,7 +15,7 @@ in stdenv.mkDerivation {
     sha256 = "1fplgy30gyrwkjsw3z947327r98i13zd1whwkplpj9fzckhb9vs9";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 ncurses libXext libXft fontconfig ];
 
   installPhase = ''
diff --git a/pkgs/applications/terminal-emulators/stupidterm/default.nix b/pkgs/applications/terminal-emulators/stupidterm/default.nix
index 0d8c39a45f5..554d210fbde 100644
--- a/pkgs/applications/terminal-emulators/stupidterm/default.nix
+++ b/pkgs/applications/terminal-emulators/stupidterm/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, vte, gtk, pcre2 }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, vte, gtk, pcre2 }:
 
 stdenv.mkDerivation {
   pname = "stupidterm";
   version = "2019-03-26";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ vte gtk pcre2 ];
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     sha256 = "1f73wvqqvj5pr3fvb7jjc4bi1iwgkkknz24k8n69mdb75jnfjipp";
   };
 
-  makeFlags = [ "PKGCONFIG=${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config" "binary=stupidterm" ];
+  makeFlags = [ "PKGCONFIG=${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config" "binary=stupidterm" ];
 
   installPhase = ''
     install -D stupidterm $out/bin/stupidterm
diff --git a/pkgs/applications/terminal-emulators/termite/default.nix b/pkgs/applications/terminal-emulators/termite/default.nix
index 67724d8ec0f..96fd3409dc7 100644
--- a/pkgs/applications/terminal-emulators/termite/default.nix
+++ b/pkgs/applications/terminal-emulators/termite/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, vte, gtk3, ncurses, pcre2, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, vte, gtk3, ncurses, pcre2, wrapGAppsHook }:
 
 let
 
@@ -53,7 +53,7 @@ in stdenv.mkDerivation rec {
 
   buildInputs = [ vte-ng gtk3 ncurses pcre2 ];
 
-  nativeBuildInputs = [ wrapGAppsHook pkgconfig ];
+  nativeBuildInputs = [ wrapGAppsHook pkg-config ];
 
   outputs = [ "out" "terminfo" ];
 
diff --git a/pkgs/applications/terminal-emulators/tilix/default.nix b/pkgs/applications/terminal-emulators/tilix/default.nix
index ee9eac8e267..80956a51244 100644
--- a/pkgs/applications/terminal-emulators/tilix/default.nix
+++ b/pkgs/applications/terminal-emulators/tilix/default.nix
@@ -4,7 +4,7 @@
 , meson
 , ninja
 , python3
-, pkgconfig
+, pkg-config
 , dmd
 , dconf
 , dbus
@@ -39,7 +39,7 @@ stdenv.mkDerivation {
     dmd
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/terminal-emulators/wayst/default.nix b/pkgs/applications/terminal-emulators/wayst/default.nix
index 99ee326aebf..528e3f50ea0 100644
--- a/pkgs/applications/terminal-emulators/wayst/default.nix
+++ b/pkgs/applications/terminal-emulators/wayst/default.nix
@@ -1,7 +1,7 @@
 { stdenv
 , lib
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , freetype
 , fontconfig
 , libGL
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "INSTALL_DIR=\${out}/bin" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [
     fontconfig
diff --git a/pkgs/applications/terminal-emulators/xterm/default.nix b/pkgs/applications/terminal-emulators/xterm/default.nix
index a8bc41dfa6c..ba6c9bc8fdf 100644
--- a/pkgs/applications/terminal-emulators/xterm/default.nix
+++ b/pkgs/applications/terminal-emulators/xterm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, xorg, ncurses, freetype, fontconfig, pkgconfig
+{ lib, stdenv, fetchurl, fetchpatch, xorg, ncurses, freetype, fontconfig, pkg-config
 , makeWrapper, nixosTests, writeScript, common-updater-scripts, git, nixfmt, nix
 , gnused, coreutils, enableDecLocator ? true }:
 
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     ncurses
     freetype
     fontconfig
-    pkgconfig
+    pkg-config
     xorg.libXft
     xorg.luit
     makeWrapper
diff --git a/pkgs/applications/version-management/bitkeeper/default.nix b/pkgs/applications/version-management/bitkeeper/default.nix
index 875f9dfa485..c185a4fb759 100644
--- a/pkgs/applications/version-management/bitkeeper/default.nix
+++ b/pkgs/applications/version-management/bitkeeper/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, perl, gperf, bison, groff
-, pkgconfig, libXft, pcre
+, pkg-config, libXft, pcre
 , libtomcrypt, libtommath, lz4 }:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     perl gperf bison groff libXft
     pcre libtomcrypt libtommath lz4
diff --git a/pkgs/applications/version-management/git-and-tools/cgit/default.nix b/pkgs/applications/version-management/git-and-tools/cgit/default.nix
index 831db07ffea..f48fe4b1ec4 100644
--- a/pkgs/applications/version-management/git-and-tools/cgit/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/cgit/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, openssl, zlib, asciidoc, libxml2, libxslt
-, docbook_xsl, pkgconfig, luajit
+, docbook_xsl, pkg-config, luajit
 , coreutils, gnused, groff, docutils
 , gzip, bzip2, lzip, xz, zstd
 , python, wrapPython, pygments, markdown
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
     sha256 = "09lzwa183nblr6l8ib35g2xrjf9wm9yhk3szfvyzkwivdv69c9r2";
   };
 
-  nativeBuildInputs = [ pkgconfig ] ++ [ python wrapPython ];
+  nativeBuildInputs = [ pkg-config ] ++ [ python wrapPython ];
   buildInputs = [
     openssl zlib asciidoc libxml2 libxslt docbook_xsl luajit
   ];
diff --git a/pkgs/applications/version-management/git-and-tools/git-dit/default.nix b/pkgs/applications/version-management/git-and-tools/git-dit/default.nix
index 0117b6cb3b6..fb3f555cb13 100644
--- a/pkgs/applications/version-management/git-and-tools/git-dit/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-dit/default.nix
@@ -5,7 +5,7 @@
 , libssh
 , cmake
 , perl
-, pkgconfig
+, pkg-config
 , rustPlatform
 , curl
 , libiconv
@@ -30,7 +30,7 @@ buildRustPackage rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     perl
   ];
 
diff --git a/pkgs/applications/version-management/git-and-tools/git-gone/default.nix b/pkgs/applications/version-management/git-and-tools/git-gone/default.nix
index d55ad89ca56..c7453aff85b 100644
--- a/pkgs/applications/version-management/git-and-tools/git-gone/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-gone/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, pkgconfig, makeWrapper, openssl, git, libiconv, Security, installShellFiles }:
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config, makeWrapper, openssl, git, libiconv, Security, installShellFiles }:
 
 rustPlatform.buildRustPackage rec {
   pname = "git-gone";
@@ -13,7 +13,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "1g2jijx8y34lid9qwa26v4svab5v9ki6gn9vcfiy61dqa964c3l9";
 
-  nativeBuildInputs = [ pkgconfig makeWrapper installShellFiles ];
+  nativeBuildInputs = [ pkg-config makeWrapper installShellFiles ];
 
   buildInputs = [ openssl ]
     ++ lib.optionals stdenv.isDarwin [ libiconv Security ];
diff --git a/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix b/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
index d594b996141..b01976f7632 100644
--- a/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-ignore/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, installShellFiles, rustPlatform, pkgconfig, openssl, darwin }:
+{ lib, stdenv, fetchFromGitHub, installShellFiles, rustPlatform, pkg-config, openssl, darwin }:
 
 with rustPlatform;
 
@@ -15,7 +15,7 @@ buildRustPackage rec {
 
   cargoSha256 = "sha256-D1CIITuZSAsKYsK8U0q8HwPsYCyrfkTXZThxufEEkWU=";
 
-  nativeBuildInputs = [ pkgconfig installShellFiles ];
+  nativeBuildInputs = [ pkg-config installShellFiles ];
   buildInputs = [ openssl ]
   ++ lib.optionals stdenv.isDarwin [
     darwin.apple_sdk.frameworks.Security
diff --git a/pkgs/applications/version-management/git-and-tools/git-workspace/default.nix b/pkgs/applications/version-management/git-and-tools/git-workspace/default.nix
index 480725797a2..9b2853551c2 100644
--- a/pkgs/applications/version-management/git-and-tools/git-workspace/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git-workspace/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , rustPlatform
 , Security
-, pkgconfig, openssl
+, pkg-config, openssl
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -18,7 +18,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "sha256-lvxEYjVMJoAFFRG5iVfGwxUeJObIxfEaWokk69l++nI=";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openssl ] ++ lib.optional stdenv.isDarwin Security;
 
   meta = with lib; {
diff --git a/pkgs/applications/version-management/git-and-tools/git/default.nix b/pkgs/applications/version-management/git-and-tools/git/default.nix
index d7258dd3660..90f6ba5ac5a 100644
--- a/pkgs/applications/version-management/git-and-tools/git/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/git/default.nix
@@ -15,7 +15,7 @@
 , sendEmailSupport
 , darwin
 , withLibsecret ? false
-, pkgconfig, glib, libsecret
+, pkg-config, glib, libsecret
 , gzip # needed at runtime by gitweb.cgi
 }:
 
@@ -73,7 +73,7 @@ stdenv.mkDerivation {
     ++ lib.optionals guiSupport [tcl tk]
     ++ lib.optionals withpcre2 [ pcre2 ]
     ++ lib.optionals stdenv.isDarwin [ darwin.Security ]
-    ++ lib.optionals withLibsecret [ pkgconfig glib libsecret ];
+    ++ lib.optionals withLibsecret [ pkg-config glib libsecret ];
 
   # required to support pthread_cancel()
   NIX_LDFLAGS = lib.optionalString (!stdenv.cc.isClang) "-lgcc_s"
diff --git a/pkgs/applications/version-management/git-and-tools/gitin/default.nix b/pkgs/applications/version-management/git-and-tools/gitin/default.nix
index c9111ea2c32..e2aaafea202 100644
--- a/pkgs/applications/version-management/git-and-tools/gitin/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/gitin/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , buildGoPackage
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , libgit2_0_27
 }:
 
@@ -20,7 +20,7 @@ buildGoPackage rec {
 
   goDeps = ./deps.nix;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libgit2_0_27 ];
 
   meta = with lib; {
diff --git a/pkgs/applications/version-management/git-and-tools/grv/default.nix b/pkgs/applications/version-management/git-and-tools/grv/default.nix
index f7aae5ba8d2..04103465189 100644
--- a/pkgs/applications/version-management/git-and-tools/grv/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/grv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildGoPackage, fetchFromGitHub, curl, ncurses, pkgconfig, readline
+{ lib, stdenv, buildGoPackage, fetchFromGitHub, curl, ncurses, pkg-config, readline
 , cmake }:
 let
   version = "0.3.2";
@@ -8,7 +8,7 @@ buildGoPackage {
   inherit version;
 
   buildInputs = [ ncurses readline curl ];
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
 
   goPackagePath = "github.com/rgburke/grv";
 
diff --git a/pkgs/applications/version-management/git-and-tools/tig/default.nix b/pkgs/applications/version-management/git-and-tools/tig/default.nix
index f907cdac036..6ac6cde44a8 100644
--- a/pkgs/applications/version-management/git-and-tools/tig/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/tig/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, ncurses, asciidoc, xmlto, docbook_xsl, docbook_xml_dtd_45
-, readline, makeWrapper, git, libiconv, autoreconfHook, findXMLCatalogs, pkgconfig
+, readline, makeWrapper, git, libiconv, autoreconfHook, findXMLCatalogs, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0wxcbfqsk8p84zizy6lf3gp5j122wrf8c7xlipki6nhcfhksn33b";
   };
 
-  nativeBuildInputs = [ makeWrapper autoreconfHook asciidoc xmlto docbook_xsl docbook_xml_dtd_45 findXMLCatalogs pkgconfig ];
+  nativeBuildInputs = [ makeWrapper autoreconfHook asciidoc xmlto docbook_xsl docbook_xml_dtd_45 findXMLCatalogs pkg-config ];
 
   autoreconfFlags = "-I tools -v";
 
diff --git a/pkgs/applications/version-management/gitlab/gitaly/default.nix b/pkgs/applications/version-management/gitlab/gitaly/default.nix
index c16e66c9e81..acfd91be331 100644
--- a/pkgs/applications/version-management/gitlab/gitaly/default.nix
+++ b/pkgs/applications/version-management/gitlab/gitaly/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitLab, fetchFromGitHub, buildGoModule, ruby
-, bundlerEnv, pkgconfig
+, bundlerEnv, pkg-config
 # libgit2 + dependencies
 , libgit2, openssl, zlib, pcre, http-parser }:
 
@@ -50,7 +50,7 @@ in buildGoModule rec {
   };
 
   buildFlags = [ "-tags=static,system_libgit2" ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ rubyEnv.wrappedRuby libgit openssl zlib pcre http-parser ];
   doCheck = false;
 
diff --git a/pkgs/applications/version-management/gitoxide/default.nix b/pkgs/applications/version-management/gitoxide/default.nix
index ba359bc9779..51fc538261d 100644
--- a/pkgs/applications/version-management/gitoxide/default.nix
+++ b/pkgs/applications/version-management/gitoxide/default.nix
@@ -17,7 +17,7 @@ rustPlatform.buildRustPackage rec {
   buildInputs = [ openssl ]
     ++ lib.optionals stdenv.isDarwin [ Security ];
 
-  # Needed to get openssl-sys to use pkgconfig.
+  # Needed to get openssl-sys to use pkg-config.
   OPENSSL_NO_VENDOR = 1;
 
   meta = with lib; {
diff --git a/pkgs/applications/version-management/gource/default.nix b/pkgs/applications/version-management/gource/default.nix
index 048ad403665..c4a86b8d4be 100644
--- a/pkgs/applications/version-management/gource/default.nix
+++ b/pkgs/applications/version-management/gource/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, SDL2, ftgl, pkgconfig, libpng, libjpeg, pcre
+{ lib, stdenv, fetchurl, SDL2, ftgl, pkg-config, libpng, libjpeg, pcre
 , SDL2_image, freetype, glew, libGLU, libGL, boost, glm
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "16p7b1x4r0915w883lp374jcdqqja37fnb7m8vnsfnl2n64gi8qr";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     glew SDL2 ftgl libpng libjpeg pcre SDL2_image libGLU libGL
     boost glm freetype
diff --git a/pkgs/applications/version-management/guitone/default.nix b/pkgs/applications/version-management/guitone/default.nix
index 82513bab952..d78023d8468 100644
--- a/pkgs/applications/version-management/guitone/default.nix
+++ b/pkgs/applications/version-management/guitone/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchmtn, qt4, qmake4Hook, pkgconfig, graphviz }:
+{ lib, stdenv, fetchmtn, qt4, qmake4Hook, pkg-config, graphviz }:
 
 let version = "1.0-mtn-head"; in
 stdenv.mkDerivation {
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   patches = [ ./parallel-building.patch ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ qt4 qmake4Hook graphviz ];
 
   qmakeFlags = [ "guitone.pro" ];
diff --git a/pkgs/applications/version-management/monotone-viz/default.nix b/pkgs/applications/version-management/monotone-viz/default.nix
index f4e21dd4149..5c260cc8e6c 100644
--- a/pkgs/applications/version-management/monotone-viz/default.nix
+++ b/pkgs/applications/version-management/monotone-viz/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchurl, ocamlPackages, gnome2, pkgconfig, makeWrapper, glib
+{ lib, stdenv, fetchurl, ocamlPackages, gnome2, pkg-config, makeWrapper, glib
 , libtool, libpng, yacc, expat, fontconfig, gd, pango, libjpeg, libwebp, xlibsWrapper, libXaw
 }:
 # We need an old version of Graphviz for format compatibility reasons.
 # This version is vulnerable, but monotone-viz will never feed it bad input.
 let graphviz_2_0 = import ./graphviz-2.0.nix {
-      inherit lib stdenv fetchurl pkgconfig xlibsWrapper libpng libjpeg expat libXaw
+      inherit lib stdenv fetchurl pkg-config xlibsWrapper libpng libjpeg expat libXaw
         yacc libtool fontconfig pango gd libwebp;
     }; in
 let inherit (gnome2) libgnomecanvas; in
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   version = "1.0.2";
   pname = "monotone-viz";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ocaml lablgtk libgnomecanvas glib graphviz_2_0 makeWrapper camlp4];
   src = fetchurl {
     url = "http://oandrieu.nerim.net/monotone-viz/${pname}-${version}-nolablgtk.tar.gz";
diff --git a/pkgs/applications/version-management/monotone-viz/graphviz-2.0.nix b/pkgs/applications/version-management/monotone-viz/graphviz-2.0.nix
index c72256807dd..8ecc5bf9ac8 100644
--- a/pkgs/applications/version-management/monotone-viz/graphviz-2.0.nix
+++ b/pkgs/applications/version-management/monotone-viz/graphviz-2.0.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, xlibsWrapper, libpng, libjpeg, expat, libXaw
+{ lib, stdenv, fetchurl, pkg-config, xlibsWrapper, libpng, libjpeg, expat, libXaw
 , yacc, libtool, fontconfig, pango, gd, libwebp
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "39b8e1f2ba4cc1f5bdc8e39c7be35e5f831253008e4ee2c176984f080416676c";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     xlibsWrapper libpng libjpeg expat libXaw yacc
     libtool fontconfig pango gd libwebp
diff --git a/pkgs/applications/version-management/monotone/default.nix b/pkgs/applications/version-management/monotone/default.nix
index c8c2d5b048b..f20d827dc5f 100644
--- a/pkgs/applications/version-management/monotone/default.nix
+++ b/pkgs/applications/version-management/monotone/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, boost, zlib, botan, libidn
-, lua, pcre, sqlite, perl, pkgconfig, expect
+, lua, pcre, sqlite, perl, pkg-config, expect
 , bzip2, gmp, openssl
 }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./monotone-1.1-Adapt-to-changes-in-pcre-8.42.patch ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ boost zlib botan libidn lua pcre sqlite expect
     openssl gmp bzip2 ];
 
diff --git a/pkgs/applications/window-managers/afterstep/default.nix b/pkgs/applications/window-managers/afterstep/default.nix
index 4bfe6543805..fbb4a7a5e49 100644
--- a/pkgs/applications/window-managers/afterstep/default.nix
+++ b/pkgs/applications/window-managers/afterstep/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libjpeg, libtiff, libpng, freetype
 , fltk, gtk
 , libX11, libXext, libICE
@@ -24,10 +24,10 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libjpeg libtiff libpng freetype fltk gtk libX11 libXext libICE dbus dbus ];
 
-  # A strange type of bug: dbus is not immediately found by pkgconfig
+  # A strange type of bug: dbus is not immediately found by pkg-config
   preConfigure = ''
      export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE $(pkg-config dbus-1 --cflags)"
   '';
diff --git a/pkgs/applications/window-managers/awesome/default.nix b/pkgs/applications/window-managers/awesome/default.nix
index 7f6dc3df192..a526636063e 100644
--- a/pkgs/applications/window-managers/awesome/default.nix
+++ b/pkgs/applications/window-managers/awesome/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, luaPackages, cairo, librsvg, cmake, imagemagick, pkgconfig, gdk-pixbuf
+{ lib, stdenv, fetchFromGitHub, luaPackages, cairo, librsvg, cmake, imagemagick, pkg-config, gdk-pixbuf
 , xorg, libstartup_notification, libxdg_basedir, libpthreadstubs
 , xcb-util-cursor, makeWrapper, pango, gobject-introspection
 , which, dbus, nettools, git, doxygen
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     doxygen
     imagemagick
     makeWrapper
-    pkgconfig
+    pkg-config
     xmlto docbook_xml_dtd_45
     docbook_xsl findXMLCatalogs
     asciidoctor
diff --git a/pkgs/applications/window-managers/cwm/default.nix b/pkgs/applications/window-managers/cwm/default.nix
index dc80b54bc69..69c9cc1c37c 100644
--- a/pkgs/applications/window-managers/cwm/default.nix
+++ b/pkgs/applications/window-managers/cwm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libX11, libXinerama, libXrandr, libXft, yacc, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, libX11, libXinerama, libXrandr, libXft, yacc, pkg-config }:
 
 stdenv.mkDerivation rec {
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f9xmki2hx10k8iisfzc7nm1l31zkf1r06pdgn06ar9w9nizrld9";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 libXinerama libXrandr libXft yacc ];
 
   prePatch = ''sed -i "s@/usr/local@$out@" Makefile'';
diff --git a/pkgs/applications/window-managers/dwm/dwm-status.nix b/pkgs/applications/window-managers/dwm/dwm-status.nix
index d58b505ad4c..1724a2c9824 100644
--- a/pkgs/applications/window-managers/dwm/dwm-status.nix
+++ b/pkgs/applications/window-managers/dwm/dwm-status.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, rustPlatform, fetchFromGitHub, dbus, gdk-pixbuf, libnotify, makeWrapper, pkgconfig, xorg
+{ stdenv, lib, rustPlatform, fetchFromGitHub, dbus, gdk-pixbuf, libnotify, makeWrapper, pkg-config, xorg
 , enableAlsaUtils ? true, alsaUtils, coreutils
 , enableNetwork ? true, dnsutils, iproute, wirelesstools }:
 
@@ -18,7 +18,7 @@ rustPlatform.buildRustPackage rec {
     sha256 = "172qkzbi37j6wx81pyqqffi9wxbg3bf8nis7d15ncn1yfd5r4gqh";
   };
 
-  nativeBuildInputs = [ makeWrapper pkgconfig ];
+  nativeBuildInputs = [ makeWrapper pkg-config ];
   buildInputs = [ dbus gdk-pixbuf libnotify xorg.libX11 ];
 
   cargoSha256 = "041sd9zm1c3v6iihnwjcya2xg5yxb2y4biyxpjlfblz2srxa15dm";
diff --git a/pkgs/applications/window-managers/dzen2/default.nix b/pkgs/applications/window-managers/dzen2/default.nix
index 2be20bc6db0..84380bfc9d8 100644
--- a/pkgs/applications/window-managers/dzen2/default.nix
+++ b/pkgs/applications/window-managers/dzen2/default.nix
@@ -1,9 +1,9 @@
-{ lib, stdenv, fetchurl, pkgconfig, libX11, libXft, libXinerama, libXpm }:
+{ lib, stdenv, fetchurl, pkg-config, libX11, libXft, libXinerama, libXpm }:
 
 stdenv.mkDerivation {
   name = "dzen2-0.9.5";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 libXft libXinerama libXpm ];
 
   src = fetchurl {
diff --git a/pkgs/applications/window-managers/fbpanel/default.nix b/pkgs/applications/window-managers/fbpanel/default.nix
index e927db36fdd..1a87f29f67c 100644
--- a/pkgs/applications/window-managers/fbpanel/default.nix
+++ b/pkgs/applications/window-managers/fbpanel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libX11, libXmu, libXpm, gtk2, libpng, libjpeg, libtiff, librsvg, gdk-pixbuf, gdk-pixbuf-xlib
 }:
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "e14542cc81ea06e64dd4708546f5fd3f5e01884c3e4617885c7ef22af8cf3965";
   };
   buildInputs =
-    [ pkgconfig libX11 libXmu libXpm gtk2 libpng libjpeg libtiff librsvg gdk-pixbuf gdk-pixbuf-xlib.dev ];
+    [ pkg-config libX11 libXmu libXpm gtk2 libpng libjpeg libtiff librsvg gdk-pixbuf gdk-pixbuf-xlib.dev ];
 
   preConfigure = "patchShebangs .";
 
diff --git a/pkgs/applications/window-managers/fluxbox/default.nix b/pkgs/applications/window-managers/fluxbox/default.nix
index 4cc4601d0d4..36a22cb46d7 100644
--- a/pkgs/applications/window-managers/fluxbox/default.nix
+++ b/pkgs/applications/window-managers/fluxbox/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , freetype, fribidi
 , libXext, libXft, libXpm, libXrandr, libXrender, xorgproto
 , libXinerama
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "1h1f70y40qd225dqx937vzb4k2cz219agm1zvnjxakn5jkz7b37w";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ freetype fribidi libXext libXft libXpm libXrandr libXrender xorgproto libXinerama imlib2 ];
 
diff --git a/pkgs/applications/window-managers/fvwm/default.nix b/pkgs/applications/window-managers/fvwm/default.nix
index c691bcf59ed..ae5dad94f2e 100644
--- a/pkgs/applications/window-managers/fvwm/default.nix
+++ b/pkgs/applications/window-managers/fvwm/default.nix
@@ -1,5 +1,5 @@
 { gestures ? false
-, lib, stdenv, fetchurl, pkgconfig
+, lib, stdenv, fetchurl, pkg-config
 , cairo, fontconfig, freetype, libXft, libXcursor, libXinerama
 , libXpm, libXt, librsvg, libpng, fribidi, perl
 , libstroke ? null
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "1bliqcnap7vb3m2rn8wvxyfhbf35h9x34s41fl4301yhrkrlrihv";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     cairo fontconfig freetype
     libXft libXcursor libXinerama libXpm libXt
diff --git a/pkgs/applications/window-managers/herbstluftwm/default.nix b/pkgs/applications/window-managers/herbstluftwm/default.nix
index 1ec1e2e995c..ad45f01915d 100644
--- a/pkgs/applications/window-managers/herbstluftwm/default.nix
+++ b/pkgs/applications/window-managers/herbstluftwm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, cmake, pkgconfig, python3, libX11, libXext, libXinerama, libXrandr, asciidoc
+{ lib, stdenv, fetchurl, cmake, pkg-config, python3, libX11, libXext, libXinerama, libXrandr, asciidoc
 , xdotool, xorgserver, xsetroot, xterm, runtimeShell
 , nixosTests }:
 
@@ -30,7 +30,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     python3
   ] ++ lib.optional (!cross) asciidoc;
 
diff --git a/pkgs/applications/window-managers/hikari/default.nix b/pkgs/applications/window-managers/hikari/default.nix
index 89fa7f7ccf1..2325deaf37c 100644
--- a/pkgs/applications/window-managers/hikari/default.nix
+++ b/pkgs/applications/window-managers/hikari/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchzip,
-  pkgconfig, bmake,
+  pkg-config, bmake,
   cairo, glib, libevdev, libinput, libxkbcommon, linux-pam, pango, pixman,
   libucl, wayland, wayland-protocols, wlroots,
   features ? {
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
     sha256 = "0sln1n5f67i3vxkybfi6xhzplb45djqyg272vqkv64m72rmm8875";
   };
 
-  nativeBuildInputs = [ pkgconfig bmake ];
+  nativeBuildInputs = [ pkg-config bmake ];
 
   buildInputs = [
     cairo
diff --git a/pkgs/applications/window-managers/i3/easyfocus.nix b/pkgs/applications/window-managers/i3/easyfocus.nix
index 517971905f6..a2ee445eaf1 100644
--- a/pkgs/applications/window-managers/i3/easyfocus.nix
+++ b/pkgs/applications/window-managers/i3/easyfocus.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, xorgproto, libxcb, xcbutilkeysyms
+{ lib, stdenv, fetchFromGitHub, pkg-config, xorgproto, libxcb, xcbutilkeysyms
 , xorg , i3ipc-glib , glib
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "1db23vzzmp0hnfss1fkd80za6d2pajx7hdwikw50pk95jq0w8wfm";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxcb xcbutilkeysyms xorgproto xorg.libX11.dev i3ipc-glib glib.dev ];
 
   # Makefile has no rule for 'install'
diff --git a/pkgs/applications/window-managers/i3/i3ipc-glib.nix b/pkgs/applications/window-managers/i3/i3ipc-glib.nix
index 36b48fa3b07..572b12d986c 100644
--- a/pkgs/applications/window-managers/i3/i3ipc-glib.nix
+++ b/pkgs/applications/window-managers/i3/i3ipc-glib.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, xorgproto, libxcb
+{ lib, stdenv, fetchFromGitHub, pkg-config, xorgproto, libxcb
 , autoreconfHook, json-glib, gtk-doc, which
 , gobject-introspection
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "01fzvrbnzcwx0vxw29igfpza9zwzp2s7msmzb92v01z0rz0y5m0p";
   };
 
-  nativeBuildInputs = [ autoreconfHook which pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook which pkg-config ];
 
   buildInputs = [ libxcb json-glib gtk-doc xorgproto gobject-introspection ];
 
diff --git a/pkgs/applications/window-managers/i3/lock-color.nix b/pkgs/applications/window-managers/i3/lock-color.nix
index 7fe48189752..81ef536a5f7 100644
--- a/pkgs/applications/window-managers/i3/lock-color.nix
+++ b/pkgs/applications/window-managers/i3/lock-color.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, libxcb,
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, libxcb,
   xcbutilkeysyms , xcbutilimage, pam, libX11, libev, cairo, libxkbcommon,
   libxkbfile, libjpeg_turbo, xcbutilxrm
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "10h50a6p9ivqjz8hd5pn9l03vz6y9dxdx68bprqssfzdkzqnzaiv";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libxcb xcbutilkeysyms xcbutilimage pam libX11
     libev cairo libxkbcommon libxkbfile libjpeg_turbo xcbutilxrm ];
 
diff --git a/pkgs/applications/window-managers/i3/lock.nix b/pkgs/applications/window-managers/i3/lock.nix
index 3b991d091ce..03506e889d7 100644
--- a/pkgs/applications/window-managers/i3/lock.nix
+++ b/pkgs/applications/window-managers/i3/lock.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, which, pkgconfig, libxcb, xcbutilkeysyms, xcbutilimage,
+{ fetchurl, lib, stdenv, which, pkg-config, libxcb, xcbutilkeysyms, xcbutilimage,
   xcbutilxrm, pam, libX11, libev, cairo, libxkbcommon, libxkbfile }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "02szjsaz7rqrdkd0r2nwgwa85c4hwfrcskxw7ryk695kmjcfhzv3";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ which libxcb xcbutilkeysyms xcbutilimage xcbutilxrm
     pam libX11 libev cairo libxkbcommon libxkbfile ];
 
diff --git a/pkgs/applications/window-managers/i3/status-rust.nix b/pkgs/applications/window-managers/i3/status-rust.nix
index d49f8ff6bd6..b9dbe6136b4 100644
--- a/pkgs/applications/window-managers/i3/status-rust.nix
+++ b/pkgs/applications/window-managers/i3/status-rust.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , rustPlatform
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , makeWrapper
 , dbus
 , libpulseaudio
@@ -22,7 +22,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "0qqkcgl9iz4kxl1a2vv2p7vy7wxn970y28jynf3n7hfp16i3liy2";
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
 
   buildInputs = [ dbus libpulseaudio notmuch ];
 
diff --git a/pkgs/applications/window-managers/i3/status.nix b/pkgs/applications/window-managers/i3/status.nix
index 00fd501c805..935a6c3c23b 100644
--- a/pkgs/applications/window-managers/i3/status.nix
+++ b/pkgs/applications/window-managers/i3/status.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, libconfuse, yajl, alsaLib, libpulseaudio, libnl, pkgconfig, asciidoc, xmlto, docbook_xml_dtd_45, docbook_xsl }:
+{ fetchurl, lib, stdenv, libconfuse, yajl, alsaLib, libpulseaudio, libnl, pkg-config, asciidoc, xmlto, docbook_xml_dtd_45, docbook_xsl }:
 
 stdenv.mkDerivation rec {
   name = "i3status-2.13";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0rhlzb96mw64z2jnhwz9nibc7pxg549626lz5642xxk5hpzwk2ff";
   };
 
-  nativeBuildInputs = [ pkgconfig asciidoc xmlto docbook_xml_dtd_45 docbook_xsl ];
+  nativeBuildInputs = [ pkg-config asciidoc xmlto docbook_xml_dtd_45 docbook_xsl ];
   buildInputs = [ libconfuse yajl alsaLib libpulseaudio libnl ];
 
   makeFlags = [ "all" "PREFIX=$(out)" ];
diff --git a/pkgs/applications/window-managers/i3/wmfocus.nix b/pkgs/applications/window-managers/i3/wmfocus.nix
index 6f6a63eca09..db6ec29d9e9 100644
--- a/pkgs/applications/window-managers/i3/wmfocus.nix
+++ b/pkgs/applications/window-managers/i3/wmfocus.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, rustPlatform
-, xorg, python3, pkgconfig, cairo, libxkbcommon }:
+, xorg, python3, pkg-config, cairo, libxkbcommon }:
 
 rustPlatform.buildRustPackage rec {
   pname = "wmfocus";
@@ -14,7 +14,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "0rczas6sgcppacz48xx7sarkvc4s2sgcdz6c661d7vcry1y46xms";
 
-  nativeBuildInputs = [ python3 pkgconfig ];
+  nativeBuildInputs = [ python3 pkg-config ];
   buildInputs = [ cairo libxkbcommon xorg.xcbutilkeysyms ];
 
   # For now, this is the only available featureset. This is also why the file is
diff --git a/pkgs/applications/window-managers/jwm/default.nix b/pkgs/applications/window-managers/jwm/default.nix
index 510003e52ea..3c97c5630b0 100644
--- a/pkgs/applications/window-managers/jwm/default.nix
+++ b/pkgs/applications/window-managers/jwm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, automake, autoconf, libtool, gettext
+{ lib, stdenv, fetchFromGitHub, pkg-config, automake, autoconf, libtool, gettext
 , which, xorg, libX11, libXext, libXinerama, libXpm, libXft, libXau, libXdmcp
 , libXmu, libpng, libjpeg, expat, xorgproto, librsvg, freetype, fontconfig }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./0001-Fix-Gettext-Requirement.patch ];
 
-  nativeBuildInputs = [ pkgconfig automake autoconf libtool gettext which ];
+  nativeBuildInputs = [ pkg-config automake autoconf libtool gettext which ];
 
   buildInputs = [
     libX11
diff --git a/pkgs/applications/window-managers/jwm/jwm-settings-manager.nix b/pkgs/applications/window-managers/jwm/jwm-settings-manager.nix
index 58105ec219b..2f45ba36112 100644
--- a/pkgs/applications/window-managers/jwm/jwm-settings-manager.nix
+++ b/pkgs/applications/window-managers/jwm/jwm-settings-manager.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, gettext, libXpm, libGL, fltk, hicolor-icon-theme, glib, gnome2, which }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, gettext, libXpm, libGL, fltk, hicolor-icon-theme, glib, gnome2, which }:
 
 stdenv.mkDerivation {
   pname = "jwm-settings-manager";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     gettext
   ];
 
diff --git a/pkgs/applications/window-managers/kbdd/default.nix b/pkgs/applications/window-managers/kbdd/default.nix
index 9496d306bc7..8f684fec620 100644
--- a/pkgs/applications/window-managers/kbdd/default.nix
+++ b/pkgs/applications/window-managers/kbdd/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, dbus-glib, autoreconfHook, xorg }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, dbus-glib, autoreconfHook, xorg }:
 
 stdenv.mkDerivation {
   pname = "kbdd";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "068iqkqxh7928xlmz2pvnykszn9bcq2qgkkiwf37k1vm8fdmgzlj";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ xorg.libX11 dbus-glib ];
 
   meta = {
diff --git a/pkgs/applications/window-managers/matchbox/default.nix b/pkgs/applications/window-managers/matchbox/default.nix
index 035fcd44dd3..51bb3010d33 100644
--- a/pkgs/applications/window-managers/matchbox/default.nix
+++ b/pkgs/applications/window-managers/matchbox/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchurl, pkgconfig, libmatchbox, libX11, libXext }:
+{ lib, stdenv, fetchurl, pkg-config, libmatchbox, libX11, libXext }:
 
 stdenv.mkDerivation rec {
   pname = "matchbox";
   version = "1.2";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libmatchbox ];
   NIX_LDFLAGS = "-lX11 -L${libX11}/lib -lXext -L${libXext}/lib";
 
diff --git a/pkgs/applications/window-managers/neocomp/default.nix b/pkgs/applications/window-managers/neocomp/default.nix
index da6b5e2825d..bf017ae085a 100644
--- a/pkgs/applications/window-managers/neocomp/default.nix
+++ b/pkgs/applications/window-managers/neocomp/default.nix
@@ -17,7 +17,7 @@
 , libXrandr
 , libXrender
 , pcre
-, pkgconfig
+, pkg-config
 }:
 let
   rev   = "v0.6-17-g271e784";
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     libXrandr
     libXrender
     pcre
-    pkgconfig
+    pkg-config
   ];
 
   makeFlags = [
diff --git a/pkgs/applications/window-managers/notion/default.nix b/pkgs/applications/window-managers/notion/default.nix
index 5d688f5e235..e59103d7d6d 100644
--- a/pkgs/applications/window-managers/notion/default.nix
+++ b/pkgs/applications/window-managers/notion/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , lua, gettext, which, groff, xmessage, xterm
 , readline, fontconfig, libX11, libXext, libSM
 , libXinerama, libXrandr, libXft
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "14swd0yqci8lxn259fkd9w92bgyf4rmjwgvgyqp78wlfix6ai4mv";
   };
 
-  nativeBuildInputs = [ pkgconfig makeWrapper groff ];
+  nativeBuildInputs = [ pkg-config makeWrapper groff ];
   buildInputs = [ lua gettext which readline fontconfig libX11 libXext libSM
                   libXinerama libXrandr libXft xlibsWrapper ];
 
diff --git a/pkgs/applications/window-managers/openbox/default.nix b/pkgs/applications/window-managers/openbox/default.nix
index 9b58bb1093d..5e3392b2002 100644
--- a/pkgs/applications/window-managers/openbox/default.nix
+++ b/pkgs/applications/window-managers/openbox/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, pkgconfig, python3
+{ lib, stdenv, fetchurl, autoreconfHook, pkg-config, python3
 , libxml2, libXinerama, libXcursor, libXau, libXrandr, libICE, libSM
 , imlib2, pango, libstartup_notification, makeWrapper }:
 
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     makeWrapper
     python3.pkgs.wrapPython
   ];
diff --git a/pkgs/applications/window-managers/oroborus/default.nix b/pkgs/applications/window-managers/oroborus/default.nix
index 52ca2b71073..0124261e423 100644
--- a/pkgs/applications/window-managers/oroborus/default.nix
+++ b/pkgs/applications/window-managers/oroborus/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , freetype, fribidi
 , libSM, libICE, libXt, libXaw, libXmu
 , libXext, libXft, libXpm, libXrandr
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   pname = "oroborus";
   version = "2.0.20";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ freetype fribidi libSM libICE libXt libXaw libXmu libXext
                   libXft libXpm libXrandr libXrender xorgproto libXinerama ];
 
diff --git a/pkgs/applications/window-managers/qtile/default.nix b/pkgs/applications/window-managers/qtile/default.nix
index 284a12e65f5..709a5b14736 100644
--- a/pkgs/applications/window-managers/qtile/default.nix
+++ b/pkgs/applications/window-managers/qtile/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, python37Packages, glib, cairo, pango, pkgconfig, libxcb, xcbutilcursor }:
+{ lib, stdenv, fetchFromGitHub, python37Packages, glib, cairo, pango, pkg-config, libxcb, xcbutilcursor }:
 
 let cairocffi-xcffib = python37Packages.cairocffi.override {
     withXcffib = true;
@@ -31,7 +31,7 @@ python37Packages.buildPythonApplication rec {
 
   SETUPTOOLS_SCM_PRETEND_VERSION = version;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib libxcb cairo pango python37Packages.xcffib ];
 
   pythonPath = with python37Packages; [
diff --git a/pkgs/applications/window-managers/ratpoison/default.nix b/pkgs/applications/window-managers/ratpoison/default.nix
index 30195ab9147..472707bf35c 100644
--- a/pkgs/applications/window-managers/ratpoison/default.nix
+++ b/pkgs/applications/window-managers/ratpoison/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, perl, autoconf, automake
+{ lib, stdenv, fetchurl, pkg-config, perl, autoconf, automake
 , libX11, xorgproto, libXt, libXpm, libXft, libXtst, libXi
 , libXrandr, fontconfig, freetype, readline
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     "--enable-history"
   ];
 
-  nativeBuildInputs = [ pkgconfig autoconf automake ];
+  nativeBuildInputs = [ pkg-config autoconf automake ];
 
   buildInputs =
     [ perl
diff --git a/pkgs/applications/window-managers/spectrwm/default.nix b/pkgs/applications/window-managers/spectrwm/default.nix
index 6598fefaebd..be2c5bc3d6e 100644
--- a/pkgs/applications/window-managers/spectrwm/default.nix
+++ b/pkgs/applications/window-managers/spectrwm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, xorg }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, xorg }:
 
 stdenv.mkDerivation {
   pname = "spectrwm";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "0bf0d25yr0craksamczn2mdy6cjp27l88smihlw9bw4p6a2qhi41";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = with xorg; [
     libXrandr
     libXcursor
diff --git a/pkgs/applications/window-managers/sway/bg.nix b/pkgs/applications/window-managers/sway/bg.nix
index a4532960619..57b81c7831c 100644
--- a/pkgs/applications/window-managers/sway/bg.nix
+++ b/pkgs/applications/window-managers/sway/bg.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, meson, ninja, pkgconfig, scdoc
+, meson, ninja, pkg-config, scdoc
 , wayland, wayland-protocols, cairo, gdk-pixbuf
 }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "1lmqz5bmig90gq2m7lwf02d2g7z4hzf8fhqz78c8vk92c6p4xwbc";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig scdoc ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc ];
   buildInputs = [ wayland wayland-protocols cairo gdk-pixbuf ];
 
   mesonFlags = [
diff --git a/pkgs/applications/window-managers/sway/idle.nix b/pkgs/applications/window-managers/sway/idle.nix
index 546999e6035..acfbb1ad36b 100644
--- a/pkgs/applications/window-managers/sway/idle.nix
+++ b/pkgs/applications/window-managers/sway/idle.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, meson, ninja, pkgconfig, scdoc
+, meson, ninja, pkg-config, scdoc
 , wayland, wayland-protocols, systemd
 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       --replace "version: '1.5'" "version: '${version}'"
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig scdoc ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc ];
   buildInputs = [ wayland wayland-protocols systemd ];
 
   mesonFlags = [ "-Dman-pages=enabled" "-Dlogind=enabled" ];
diff --git a/pkgs/applications/window-managers/sway/lock-effects.nix b/pkgs/applications/window-managers/sway/lock-effects.nix
index e90aaf5efc2..eff8710ebfc 100644
--- a/pkgs/applications/window-managers/sway/lock-effects.nix
+++ b/pkgs/applications/window-managers/sway/lock-effects.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub,
-  meson, ninja, pkgconfig, scdoc,
+  meson, ninja, pkg-config, scdoc,
   wayland, wayland-protocols, libxkbcommon,
   cairo, gdk-pixbuf, pam
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sed -iE "s/version: '1\.3',/version: '${version}',/" meson.build
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig scdoc ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc ];
   buildInputs = [ wayland wayland-protocols libxkbcommon cairo gdk-pixbuf pam ];
 
   mesonFlags = [
diff --git a/pkgs/applications/window-managers/sway/lock.nix b/pkgs/applications/window-managers/sway/lock.nix
index 51e7bf34594..9b1523421ee 100644
--- a/pkgs/applications/window-managers/sway/lock.nix
+++ b/pkgs/applications/window-managers/sway/lock.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, meson, ninja, pkgconfig, scdoc
+, meson, ninja, pkg-config, scdoc
 , wayland, wayland-protocols, libxkbcommon, cairo, gdk-pixbuf, pam
 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
       --replace "version: '1.4'" "version: '${version}'"
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig scdoc ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc ];
   buildInputs = [ wayland wayland-protocols libxkbcommon cairo gdk-pixbuf pam ];
 
   mesonFlags = [
diff --git a/pkgs/applications/window-managers/trayer/default.nix b/pkgs/applications/window-managers/trayer/default.nix
index e7fc397e123..c210b39fe18 100644
--- a/pkgs/applications/window-managers/trayer/default.nix
+++ b/pkgs/applications/window-managers/trayer/default.nix
@@ -1,9 +1,9 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, gdk-pixbuf, gtk2 }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, gdk-pixbuf, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "trayer-1.1.8";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gdk-pixbuf gtk2 ];
 
   src = fetchFromGitHub {
diff --git a/pkgs/applications/window-managers/vwm/default.nix b/pkgs/applications/window-managers/vwm/default.nix
index 1b70706d0d3..143ee83d2d1 100644
--- a/pkgs/applications/window-managers/vwm/default.nix
+++ b/pkgs/applications/window-managers/vwm/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, ncurses, pkgconfig, glib, libviper, libpseudo, gpm,
+{lib, stdenv, fetchurl, ncurses, pkg-config, glib, libviper, libpseudo, gpm,
 libvterm}:
 
 stdenv.mkDerivation rec {
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     mkdir -p $out/bin $out/include
   '';
  
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses glib libviper libpseudo gpm libvterm ];
  
   meta = with lib; {
diff --git a/pkgs/applications/window-managers/windowlab/default.nix b/pkgs/applications/window-managers/windowlab/default.nix
index 134dd525ce0..f4fea3f434c 100644
--- a/pkgs/applications/window-managers/windowlab/default.nix
+++ b/pkgs/applications/window-managers/windowlab/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libX11, libXext, libXft }:
 
 let version = "1.40"; in
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "1fx4jwq4s98p2wpvawsiww7d6568bpjgcjpks61dzfj8p2j32s4d";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 libXext libXft ];
 
   postPatch =
diff --git a/pkgs/applications/window-managers/windowmaker/default.nix b/pkgs/applications/window-managers/windowmaker/default.nix
index 6bb0586ffed..e56ff2512c1 100644
--- a/pkgs/applications/window-managers/windowmaker/default.nix
+++ b/pkgs/applications/window-managers/windowmaker/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig
+{ lib, stdenv, fetchurl, pkg-config
 , libX11, libXext, libXft, libXmu, libXinerama, libXrandr, libXpm
 , imagemagick, libpng, libjpeg, libexif, libtiff, libungif, libwebp }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "055pqvlkhipyjn7m6bb3fs4zz9rd1ynzl0mmwbhp05ihc3zmh8zj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ libX11 libXext libXft libXmu libXinerama libXrandr libXpm
                   imagemagick libpng libjpeg libexif libtiff libungif libwebp ];
diff --git a/pkgs/applications/window-managers/windowmaker/dockapps/wmsystemtray.nix b/pkgs/applications/window-managers/windowmaker/dockapps/wmsystemtray.nix
index cde55e01698..ced4cad8055 100644
--- a/pkgs/applications/window-managers/windowmaker/dockapps/wmsystemtray.nix
+++ b/pkgs/applications/window-managers/windowmaker/dockapps/wmsystemtray.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libX11, libXpm, libXext, libXfixes, libXmu }:
+{ lib, stdenv, fetchurl, pkg-config, libX11, libXpm, libXext, libXfixes, libXmu }:
 
 stdenv.mkDerivation rec {
   pname = "wmsystemtray";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
      sha256 = "sha256-jt70NpHp//BxAA4pFmx8GtQgwJVukGgVEGHogcisl+k=";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 libXpm libXext libXfixes libXmu ];
 
   meta = with lib; {
diff --git a/pkgs/applications/window-managers/wmii-hg/default.nix b/pkgs/applications/window-managers/wmii-hg/default.nix
index f51dbfbee5a..b78b7c01570 100644
--- a/pkgs/applications/window-managers/wmii-hg/default.nix
+++ b/pkgs/applications/window-managers/wmii-hg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, unzip, pkgconfig, libixp_hg, txt2tags, dash, python, which
+{ lib, stdenv, fetchurl, unzip, pkg-config, libixp_hg, txt2tags, dash, python, which
 , libX11 , libXrender, libXext, libXinerama, libXrandr, libXft }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     EOF
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ unzip libixp_hg txt2tags dash python which
                   libX11 libXrender libXext libXinerama libXrandr libXft ];
 
diff --git a/pkgs/applications/window-managers/xmonad/log-applet/default.nix b/pkgs/applications/window-managers/xmonad/log-applet/default.nix
index c75a481e19a..ebabcf196d5 100644
--- a/pkgs/applications/window-managers/xmonad/log-applet/default.nix
+++ b/pkgs/applications/window-managers/xmonad/log-applet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, autoreconfHook, glib, dbus-glib
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, glib, dbus-glib
 , desktopSupport ? "gnomeflashback", xorg
 , gtk2
 , gtk3, gnome3, mate
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     ++ lib.optionals (desktopSupport == "xfce4") [ gtk2 libxfce4util xfce4-panel ]
   ;
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   configureFlags =  [ "--with-panel=${desktopSupport}" ];
 
diff --git a/pkgs/applications/window-managers/yabar/build.nix b/pkgs/applications/window-managers/yabar/build.nix
index c4b4f5cc8c4..ec15f7e3627 100644
--- a/pkgs/applications/window-managers/yabar/build.nix
+++ b/pkgs/applications/window-managers/yabar/build.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, cairo, gdk-pixbuf, libconfig, pango, pkgconfig
+{ stdenv, fetchFromGitHub, cairo, gdk-pixbuf, libconfig, pango, pkg-config
 , xcbutilwm, alsaLib, wirelesstools, asciidoc, libxslt, makeWrapper, docbook_xsl
 , configFile ? null, lib
 , rev, sha256, version, patches ? []
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
 
   hardeningDisable = [ "format" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     cairo gdk-pixbuf libconfig pango xcbutilwm docbook_xsl
     alsaLib wirelesstools asciidoc libxslt makeWrapper