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-rw-r--r--pkgs/applications/audio/ams-lv2/default.nix4
-rw-r--r--pkgs/applications/audio/ardour/ardour3.nix4
-rw-r--r--pkgs/applications/audio/ardour/default.nix4
-rw-r--r--pkgs/applications/audio/audacity/default.nix4
-rw-r--r--pkgs/applications/audio/beast/default.nix4
-rw-r--r--pkgs/applications/audio/bitwig-studio/default.nix4
-rw-r--r--pkgs/applications/audio/calf/default.nix4
-rw-r--r--pkgs/applications/audio/eq10q/default.nix4
-rw-r--r--pkgs/applications/audio/faust/faust2alsa.nix4
-rw-r--r--pkgs/applications/audio/faust/faust2jack.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.nix4
-rw-r--r--pkgs/applications/audio/guitarix/default.nix4
-rw-r--r--pkgs/applications/audio/ingen/default.nix4
-rw-r--r--pkgs/applications/audio/jack-rack/default.nix4
-rw-r--r--pkgs/applications/audio/jalv/default.nix4
-rw-r--r--pkgs/applications/audio/lash/default.nix4
-rw-r--r--pkgs/applications/audio/lingot/default.nix4
-rw-r--r--pkgs/applications/audio/mhwaveedit/default.nix4
-rw-r--r--pkgs/applications/audio/morituri/default.nix2
-rw-r--r--pkgs/applications/audio/mp3info/default.nix4
-rw-r--r--pkgs/applications/audio/paprefs/default.nix4
-rw-r--r--pkgs/applications/audio/patchage/default.nix6
-rw-r--r--pkgs/applications/audio/petrifoo/default.nix4
-rw-r--r--pkgs/applications/audio/praat/default.nix4
-rw-r--r--pkgs/applications/audio/qtractor/default.nix4
-rw-r--r--pkgs/applications/audio/quodlibet/default.nix4
-rw-r--r--pkgs/applications/audio/seq24/default.nix4
-rw-r--r--pkgs/applications/audio/spotify/default.nix8
-rw-r--r--pkgs/applications/audio/xsynth-dssi/default.nix4
-rw-r--r--pkgs/applications/editors/atom/env.nix4
-rw-r--r--pkgs/applications/editors/brackets/default.nix4
-rw-r--r--pkgs/applications/editors/codeblocks/default.nix4
-rw-r--r--pkgs/applications/editors/eclipse/build-eclipse.nix4
-rw-r--r--pkgs/applications/editors/eclipse/default.nix6
-rw-r--r--pkgs/applications/editors/geany/with-vte.nix4
-rw-r--r--pkgs/applications/editors/gobby/default.nix4
-rw-r--r--pkgs/applications/editors/leafpad/default.nix4
-rw-r--r--pkgs/applications/editors/lighttable/default.nix4
-rw-r--r--pkgs/applications/editors/monodevelop/default.nix8
-rw-r--r--pkgs/applications/editors/scite/default.nix4
-rw-r--r--pkgs/applications/editors/sublime/default.nix4
-rw-r--r--pkgs/applications/editors/sublime3/default.nix4
-rw-r--r--pkgs/applications/editors/supertux-editor/default.nix8
-rw-r--r--pkgs/applications/editors/textadept/default.nix4
-rw-r--r--pkgs/applications/editors/vim/configurable.nix4
-rw-r--r--pkgs/applications/graphics/ahoviewer/default.nix4
-rw-r--r--pkgs/applications/graphics/cinepaint/default.nix4
-rw-r--r--pkgs/applications/graphics/dia/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/2.8.nix6
-rw-r--r--pkgs/applications/graphics/giv/default.nix4
-rw-r--r--pkgs/applications/graphics/gqview/default.nix8
-rw-r--r--pkgs/applications/graphics/inkscape/default.nix8
-rw-r--r--pkgs/applications/graphics/k3d/default.nix4
-rw-r--r--pkgs/applications/graphics/mypaint/default.nix4
-rw-r--r--pkgs/applications/graphics/pqiv/default.nix4
-rw-r--r--pkgs/applications/graphics/qiv/default.nix4
-rw-r--r--pkgs/applications/graphics/rawtherapee/default.nix8
-rw-r--r--pkgs/applications/graphics/sane/frontends.nix4
-rw-r--r--pkgs/applications/graphics/sane/xsane.nix4
-rw-r--r--pkgs/applications/graphics/ufraw/default.nix4
-rw-r--r--pkgs/applications/graphics/xara/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/misc/adobe-reader/default.nix4
-rw-r--r--pkgs/applications/misc/artha/default.nix4
-rw-r--r--pkgs/applications/misc/avrdudess/default.nix4
-rw-r--r--pkgs/applications/misc/batti/default.nix6
-rw-r--r--pkgs/applications/misc/clipit/default.nix4
-rw-r--r--pkgs/applications/misc/d4x/default.nix4
-rw-r--r--pkgs/applications/misc/eaglemode/default.nix4
-rw-r--r--pkgs/applications/misc/epdfview/default.nix4
-rw-r--r--pkgs/applications/misc/evilvte/default.nix4
-rw-r--r--pkgs/applications/misc/fme/default.nix4
-rw-r--r--pkgs/applications/misc/gkrellm/default.nix4
-rw-r--r--pkgs/applications/misc/gksu/default.nix4
-rw-r--r--pkgs/applications/misc/gosmore/default.nix4
-rw-r--r--pkgs/applications/misc/gpa/default.nix4
-rw-r--r--pkgs/applications/misc/gpscorrelate/default.nix4
-rw-r--r--pkgs/applications/misc/green-pdfviewer/default.nix4
-rw-r--r--pkgs/applications/misc/grip/default.nix4
-rw-r--r--pkgs/applications/misc/hamster-time-tracker/default.nix2
-rw-r--r--pkgs/applications/misc/hyperterm/default.nix4
-rw-r--r--pkgs/applications/misc/jigdo/default.nix4
-rw-r--r--pkgs/applications/misc/kiwix/default.nix4
-rw-r--r--pkgs/applications/misc/lighthouse/default.nix4
-rw-r--r--pkgs/applications/misc/lxappearance/default.nix4
-rw-r--r--pkgs/applications/misc/multisync/default.nix4
-rw-r--r--pkgs/applications/misc/navit/default.nix4
-rw-r--r--pkgs/applications/misc/openbox-menu/default.nix4
-rw-r--r--pkgs/applications/misc/pcmanfm/default.nix4
-rw-r--r--pkgs/applications/misc/pdfmod/default.nix8
-rw-r--r--pkgs/applications/misc/pmenu/default.nix4
-rw-r--r--pkgs/applications/misc/tangogps/default.nix4
-rw-r--r--pkgs/applications/misc/tint2/default.nix4
-rw-r--r--pkgs/applications/misc/viking/default.nix4
-rw-r--r--pkgs/applications/misc/workrave/default.nix4
-rw-r--r--pkgs/applications/misc/xautoclick/default.nix4
-rw-r--r--pkgs/applications/misc/xneur/default.nix8
-rw-r--r--pkgs/applications/networking/browsers/chromium/common.nix4
-rw-r--r--pkgs/applications/networking/browsers/firefox-bin/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/firefox/default.nix7
-rw-r--r--pkgs/applications/networking/browsers/firefox/wrapper.nix4
-rw-r--r--pkgs/applications/networking/browsers/google-chrome/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/mozilla-plugins/bluejeans/default.nix6
-rw-r--r--pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/mozilla-plugins/gmtk/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix6
-rw-r--r--pkgs/applications/networking/browsers/opera/default.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/vimprobable2/default.nix4
-rw-r--r--pkgs/applications/networking/browsers/vivaldi/default.nix4
-rw-r--r--pkgs/applications/networking/davmail/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/discord/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/gajim/default.nix10
-rw-r--r--pkgs/applications/networking/instant-messengers/oneteam/default.nix6
-rw-r--r--pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix4
-rw-r--r--pkgs/applications/networking/instant-messengers/pidgin/default.nix6
-rw-r--r--pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix2
-rw-r--r--pkgs/applications/networking/instant-messengers/slack/default.nix10
-rw-r--r--pkgs/applications/networking/irc/hexchat/default.nix6
-rw-r--r--pkgs/applications/networking/mailreaders/claws-mail/default.nix8
-rw-r--r--pkgs/applications/networking/mailreaders/sylpheed/default.nix4
-rw-r--r--pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix8
-rw-r--r--pkgs/applications/networking/mailreaders/thunderbird/default.nix4
-rw-r--r--pkgs/applications/networking/newsreaders/pan/default.nix8
-rw-r--r--pkgs/applications/networking/p2p/ldcpp/default.nix4
-rw-r--r--pkgs/applications/networking/p2p/transgui/default.nix4
-rw-r--r--pkgs/applications/networking/remote/citrix-receiver/default.nix8
-rw-r--r--pkgs/applications/networking/remote/putty/default.nix4
-rw-r--r--pkgs/applications/networking/remote/remmina/default.nix4
-rw-r--r--pkgs/applications/networking/sniffers/etherape/default.nix4
-rw-r--r--pkgs/applications/office/gnucash/2.6.nix6
-rw-r--r--pkgs/applications/office/gnucash/default.nix4
-rw-r--r--pkgs/applications/office/libreoffice/default.nix4
-rw-r--r--pkgs/applications/office/libreoffice/still.nix4
-rw-r--r--pkgs/applications/office/osmo/default.nix8
-rw-r--r--pkgs/applications/office/planner/default.nix18
-rw-r--r--pkgs/applications/office/zim/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/pcb/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/verifast/default.nix4
-rw-r--r--pkgs/applications/science/math/pssp/default.nix4
-rw-r--r--pkgs/applications/science/math/scilab/default.nix4
-rw-r--r--pkgs/applications/science/misc/boinc/default.nix4
-rw-r--r--pkgs/applications/science/misc/openmodelica/default.nix6
-rw-r--r--pkgs/applications/version-management/rabbitvcs/default.nix2
-rw-r--r--pkgs/applications/version-management/smartgithg/default.nix4
-rw-r--r--pkgs/applications/video/coriander/default.nix4
-rw-r--r--pkgs/applications/video/gnash/default.nix4
-rw-r--r--pkgs/applications/video/gnome-mplayer/default.nix4
-rw-r--r--pkgs/applications/video/kazam/default.nix4
-rw-r--r--pkgs/applications/video/key-mon/default.nix4
-rw-r--r--pkgs/applications/video/kino/default.nix4
-rw-r--r--pkgs/applications/video/miro/default.nix4
-rw-r--r--pkgs/applications/video/mkcast/default.nix4
-rw-r--r--pkgs/applications/video/xvidcap/default.nix4
-rw-r--r--pkgs/applications/virtualization/bochs/default.nix8
-rw-r--r--pkgs/applications/window-managers/compiz/default.nix4
-rw-r--r--pkgs/applications/window-managers/fbpanel/default.nix4
-rw-r--r--pkgs/applications/window-managers/trayer/default.nix4
-rw-r--r--pkgs/data/misc/ddccontrol-db/default.nix4
-rw-r--r--pkgs/desktops/gnome-2/bindings/gnome-python/default.nix4
-rw-r--r--pkgs/desktops/gnome-2/bindings/python-rsvg/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/3.20/core/gnome-control-center/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/3.20/core/gnome-shell/default.nix2
-rw-r--r--pkgs/desktops/gnome-3/3.20/core/gsound/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/3.20/core/mutter/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/3.20/core/totem/default.nix2
-rw-r--r--pkgs/desktops/gnome-3/3.20/default.nix2
-rw-r--r--pkgs/desktops/gnome-3/3.20/misc/geary/default.nix4
-rw-r--r--pkgs/desktops/gnome-3/3.20/misc/pomodoro/default.nix4
-rw-r--r--pkgs/desktops/xfce/default.nix3
-rw-r--r--pkgs/development/compilers/aliceml/default.nix6
-rw-r--r--pkgs/development/compilers/boo/default.nix4
-rw-r--r--pkgs/development/compilers/fpc/lazarus.nix4
-rw-r--r--pkgs/development/compilers/gnu-smalltalk/default.nix4
-rw-r--r--pkgs/development/compilers/oraclejdk/jdk-linux-base.nix4
-rw-r--r--pkgs/development/guile-modules/guile-gnome/default.nix4
-rw-r--r--pkgs/development/haskell-modules/configuration-common.nix2
-rw-r--r--pkgs/development/haskell-modules/default.nix2
-rw-r--r--pkgs/development/haskell-modules/hackage-packages.nix2
-rw-r--r--pkgs/development/interpreters/racket/default.nix4
-rw-r--r--pkgs/development/libraries/aqbanking/gwenhywfar.nix4
-rw-r--r--pkgs/development/libraries/audio/lv2/default.nix4
-rw-r--r--pkgs/development/libraries/audio/lvtk/default.nix6
-rw-r--r--pkgs/development/libraries/audio/raul/default.nix4
-rw-r--r--pkgs/development/libraries/audio/suil/default.nix4
-rw-r--r--pkgs/development/libraries/clutter-gtk/0.10.8.nix4
-rw-r--r--pkgs/development/libraries/cwiid/default.nix4
-rw-r--r--pkgs/development/libraries/farsight2/default.nix4
-rw-r--r--pkgs/development/libraries/farstream/default.nix4
-rw-r--r--pkgs/development/libraries/ganv/default.nix4
-rw-r--r--pkgs/development/libraries/gegl/default.nix4
-rw-r--r--pkgs/development/libraries/geoclue/default.nix4
-rw-r--r--pkgs/development/libraries/gio-sharp/default.nix4
-rw-r--r--pkgs/development/libraries/gnome-sharp/default.nix6
-rw-r--r--pkgs/development/libraries/goffice/0.8.nix4
-rw-r--r--pkgs/development/libraries/goocanvas/default.nix4
-rw-r--r--pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix4
-rw-r--r--pkgs/development/libraries/gtdialog/default.nix4
-rw-r--r--pkgs/development/libraries/gtk-sharp-beans/default.nix4
-rw-r--r--pkgs/development/libraries/gtk-sharp/2.0.nix6
-rw-r--r--pkgs/development/libraries/gtkdatabox/default.nix6
-rw-r--r--pkgs/development/libraries/gtkimageview/default.nix4
-rw-r--r--pkgs/development/libraries/gtkmathview/default.nix6
-rw-r--r--pkgs/development/libraries/gtkmm/2.x.nix4
-rw-r--r--pkgs/development/libraries/gtkmozembed-sharp/default.nix4
-rw-r--r--pkgs/development/libraries/gtkspell/default.nix4
-rw-r--r--pkgs/development/libraries/gvfs/default.nix2
-rw-r--r--pkgs/development/libraries/hyena/default.nix4
-rw-r--r--pkgs/development/libraries/java/classpath/default.nix4
-rw-r--r--pkgs/development/libraries/java/swt/default.nix4
-rw-r--r--pkgs/development/libraries/keybinder/default.nix2
-rw-r--r--pkgs/development/libraries/keybinder3/default.nix4
-rw-r--r--pkgs/development/libraries/libappindicator/default.nix4
-rw-r--r--pkgs/development/libraries/libfm/default.nix4
-rw-r--r--pkgs/development/libraries/libgksu/default.nix6
-rw-r--r--pkgs/development/libraries/libgpod/default.nix8
-rw-r--r--pkgs/development/libraries/libindicate/default.nix8
-rw-r--r--pkgs/development/libraries/libiodbc/default.nix4
-rw-r--r--pkgs/development/libraries/libsexy/default.nix4
-rw-r--r--pkgs/development/libraries/libunique/default.nix4
-rw-r--r--pkgs/development/libraries/libvirt-glib/default.nix4
-rw-r--r--pkgs/development/libraries/libwnck/default.nix4
-rw-r--r--pkgs/development/libraries/ntrack/default.nix2
-rw-r--r--pkgs/development/libraries/openscenegraph/default.nix4
-rw-r--r--pkgs/development/libraries/qt-4.x/4.8/default.nix8
-rw-r--r--pkgs/development/libraries/qt-5/5.5/default.nix2
-rw-r--r--pkgs/development/libraries/qt-5/5.5/qtbase/default.nix6
-rw-r--r--pkgs/development/libraries/qt-5/5.5/qtwebkit/default.nix6
-rw-r--r--pkgs/development/libraries/qt-5/5.6/qtwebkit/default.nix6
-rw-r--r--pkgs/development/libraries/qt-5/5.7/qtwebkit/default.nix6
-rw-r--r--pkgs/development/libraries/smpeg/default.nix4
-rw-r--r--pkgs/development/libraries/spice-gtk/default.nix4
-rw-r--r--pkgs/development/libraries/wxGTK-2.8/default.nix9
-rw-r--r--pkgs/development/libraries/wxGTK-2.9/default.nix9
-rw-r--r--pkgs/development/libraries/wxGTK-3.0/default.nix9
-rw-r--r--pkgs/development/mobile/androidenv/androidsdk.nix12
-rw-r--r--pkgs/development/mobile/androidenv/default.nix2
-rw-r--r--pkgs/development/ocaml-modules/lablgtk/2.14.0.nix4
-rw-r--r--pkgs/development/ocaml-modules/lablgtk/default.nix4
-rw-r--r--pkgs/development/ocaml-modules/ocaml-cairo/default.nix4
-rw-r--r--pkgs/development/ocaml-modules/ocaml-cairo2/default.nix6
-rw-r--r--pkgs/development/python-modules/libsexy/default.nix4
-rw-r--r--pkgs/development/python-modules/pygtk/default.nix8
-rw-r--r--pkgs/development/python-modules/pygtksourceview/default.nix4
-rw-r--r--pkgs/development/tools/java/visualvm/default.nix4
-rw-r--r--pkgs/development/tools/misc/distcc/default.nix6
-rw-r--r--pkgs/development/tools/misc/gtkdialog/default.nix4
-rw-r--r--pkgs/development/tools/misc/saleae-logic/default.nix4
-rw-r--r--pkgs/development/tools/node-webkit/nw11.nix4
-rw-r--r--pkgs/development/tools/node-webkit/nw12.nix4
-rw-r--r--pkgs/development/tools/node-webkit/nw9.nix4
-rw-r--r--pkgs/development/tools/profiling/sysprof/default.nix4
-rw-r--r--pkgs/development/tools/selenium/chromedriver/default.nix4
-rw-r--r--pkgs/development/tools/thrust/default.nix4
-rw-r--r--pkgs/development/tools/unity3d/default.nix6
-rw-r--r--pkgs/games/ckan/default.nix4
-rw-r--r--pkgs/games/crack-attack/default.nix4
-rw-r--r--pkgs/games/eboard/default.nix4
-rw-r--r--pkgs/games/eduke32/default.nix4
-rw-r--r--pkgs/games/freeciv/default.nix4
-rw-r--r--pkgs/games/fsg/default.nix4
-rw-r--r--pkgs/games/pioneers/default.nix4
-rw-r--r--pkgs/games/planetaryannihilation/default.nix6
-rw-r--r--pkgs/games/privateer/default.nix4
-rw-r--r--pkgs/games/rigsofrods/default.nix4
-rw-r--r--pkgs/games/spring/springlobby.nix4
-rw-r--r--pkgs/games/zandronum/bin.nix4
-rw-r--r--pkgs/misc/drivers/hplip/3.15.9.nix2
-rw-r--r--pkgs/misc/drivers/hplip/default.nix2
-rw-r--r--pkgs/misc/emulators/fs-uae/default.nix4
-rw-r--r--pkgs/misc/emulators/gens-gs/default.nix4
-rw-r--r--pkgs/misc/emulators/higan/default.nix4
-rw-r--r--pkgs/misc/emulators/mess/default.nix4
-rw-r--r--pkgs/misc/emulators/mupen64plus/default.nix4
-rw-r--r--pkgs/misc/emulators/snes9x-gtk/default.nix4
-rw-r--r--pkgs/misc/emulators/uae/default.nix4
-rw-r--r--pkgs/misc/emulators/vice/default.nix4
-rw-r--r--pkgs/misc/emulators/wine/base.nix2
-rw-r--r--pkgs/misc/screensavers/xscreensaver/default.nix4
-rw-r--r--pkgs/misc/themes/arc/default.nix4
-rw-r--r--pkgs/misc/themes/gtk2/oxygen-gtk/default.nix4
-rw-r--r--pkgs/misc/themes/gtk3/clearlooks-phenix/default.nix2
-rw-r--r--pkgs/os-specific/linux/alsa-tools/default.nix6
-rw-r--r--pkgs/os-specific/linux/bluez/bluez5.nix2
-rw-r--r--pkgs/os-specific/linux/bluez/bluez5_28.nix2
-rw-r--r--pkgs/os-specific/linux/latencytop/default.nix4
-rw-r--r--pkgs/os-specific/linux/nvidia-x11/default.nix4
-rw-r--r--pkgs/os-specific/linux/nvidia-x11/legacy173.nix4
-rw-r--r--pkgs/os-specific/linux/nvidia-x11/legacy304.nix4
-rw-r--r--pkgs/os-specific/linux/nvidia-x11/legacy340.nix4
-rw-r--r--pkgs/os-specific/linux/pktgen/default.nix4
-rw-r--r--pkgs/os-specific/linux/pommed/default.nix4
-rw-r--r--pkgs/servers/computing/slurm/default.nix6
-rw-r--r--pkgs/servers/gpsd/default.nix2
-rw-r--r--pkgs/servers/neard/default.nix2
-rw-r--r--pkgs/tools/X11/nitrogen/default.nix4
-rw-r--r--pkgs/tools/X11/obconf/default.nix4
-rw-r--r--pkgs/tools/X11/xnee/default.nix4
-rw-r--r--pkgs/tools/X11/xpra/default.nix6
-rw-r--r--pkgs/tools/admin/gtk-vnc/default.nix8
-rw-r--r--pkgs/tools/archivers/xarchiver/default.nix4
-rw-r--r--pkgs/tools/audio/playerctl/default.nix4
-rw-r--r--pkgs/tools/graphics/nip2/default.nix4
-rw-r--r--pkgs/tools/graphics/pdf2svg/default.nix4
-rw-r--r--pkgs/tools/graphics/vips/default.nix2
-rw-r--r--pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix4
-rw-r--r--pkgs/tools/inputmethods/ibus-engines/ibus-mozc/default.nix4
-rw-r--r--pkgs/tools/inputmethods/nabi/default.nix4
-rw-r--r--pkgs/tools/misc/alarm-clock-applet/default.nix8
-rw-r--r--pkgs/tools/misc/ddccontrol/default.nix4
-rw-r--r--pkgs/tools/misc/gnokii/default.nix4
-rw-r--r--pkgs/tools/misc/gparted/default.nix4
-rw-r--r--pkgs/tools/misc/gsmartcontrol/default.nix4
-rw-r--r--pkgs/tools/networking/connman-notify/default.nix2
-rw-r--r--pkgs/tools/networking/gftp/default.nix4
-rw-r--r--pkgs/tools/networking/p2p/gtk-gnutella/default.nix4
-rw-r--r--pkgs/tools/networking/wicd/default.nix12
-rw-r--r--pkgs/tools/security/jd-gui/default.nix4
-rw-r--r--pkgs/tools/security/nmap/default.nix6
-rw-r--r--pkgs/tools/security/tor/torbrowser.nix4
-rw-r--r--pkgs/tools/system/bootchart/default.nix4
-rw-r--r--pkgs/tools/system/gdmap/default.nix4
-rw-r--r--pkgs/tools/typesetting/xmlroff/default.nix4
-rw-r--r--pkgs/tools/video/mjpegtools/default.nix4
-rw-r--r--pkgs/top-level/all-packages.nix263
-rw-r--r--pkgs/top-level/dotnet-packages.nix2
-rw-r--r--pkgs/top-level/lua-packages.nix2
-rw-r--r--pkgs/top-level/python-packages.nix9
339 files changed, 893 insertions, 872 deletions
diff --git a/pkgs/applications/audio/ams-lv2/default.nix b/pkgs/applications/audio/ams-lv2/default.nix
index 0001f0a9292..9d62696a3f8 100644
--- a/pkgs/applications/audio/ams-lv2/default.nix
+++ b/pkgs/applications/audio/ams-lv2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cairo, fftw, gtk, gtkmm, lv2, lvtk, pkgconfig, python }:
+{ stdenv, fetchurl, cairo, fftw, gtkmm2, lv2, lvtk, pkgconfig, python }:
 
 stdenv.mkDerivation  rec {
   name = "ams-lv2-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation  rec {
     sha256 = "1kqbl7rc3zrs27c5ga0frw3mlpx15sbxzhf04sfbrd9l60535fd5";
   };
 
-  buildInputs = [ cairo fftw gtk gtkmm lv2 lvtk pkgconfig python ];
+  buildInputs = [ cairo fftw gtkmm2 lv2 lvtk pkgconfig python ];
 
   configurePhase = "python waf configure --prefix=$out";
 
diff --git a/pkgs/applications/audio/ardour/ardour3.nix b/pkgs/applications/audio/ardour/ardour3.nix
index d9614d10d32..ff2d4bbce4e 100644
--- a/pkgs/applications/audio/ardour/ardour3.nix
+++ b/pkgs/applications/audio/ardour/ardour3.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, alsaLib, aubio, boost, cairomm, curl, doxygen, dbus, fftw
-, fftwSinglePrec, flac, glibc, glibmm, graphviz, gtk, gtkmm, libjack2
+, fftwSinglePrec, flac, glibc, glibmm, graphviz, gtkmm2, libjack2
 , libgnomecanvas, libgnomecanvasmm, liblo, libmad, libogg, librdf
 , librdf_raptor, librdf_rasqal, libsamplerate, libsigcxx, libsndfile
 , libusb, libuuid, libxml2, libxslt, lilv-svn, lv2, makeWrapper, pango
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = 
     [ alsaLib aubio boost cairomm curl doxygen dbus fftw fftwSinglePrec flac glibc
-      glibmm graphviz gtk gtkmm libjack2 libgnomecanvas libgnomecanvasmm liblo
+      glibmm graphviz gtkmm2 libjack2 libgnomecanvas libgnomecanvasmm liblo
       libmad libogg librdf librdf_raptor librdf_rasqal libsamplerate
       libsigcxx libsndfile libusb libuuid libxml2 libxslt lilv-svn lv2
       makeWrapper pango perl pkgconfig python rubberband serd sord-svn sratom suil taglib vampSDK
diff --git a/pkgs/applications/audio/ardour/default.nix b/pkgs/applications/audio/ardour/default.nix
index 9f047a600cb..7951076daa0 100644
--- a/pkgs/applications/audio/ardour/default.nix
+++ b/pkgs/applications/audio/ardour/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, alsaLib, aubio, boost, cairomm, curl, doxygen, dbus, fftw
-, fftwSinglePrec, flac, glibc, glibmm, graphviz, gtk, gtkmm, libjack2
+, fftwSinglePrec, flac, glibc, glibmm, graphviz, gtkmm2, libjack2
 , libgnomecanvas, libgnomecanvasmm, liblo, libmad, libogg, librdf
 , librdf_raptor, librdf_rasqal, libsamplerate, libsigcxx, libsndfile
 , libusb, libuuid, libxml2, libxslt, lilv-svn, lv2, makeWrapper, pango
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
 
   buildInputs =
     [ alsaLib aubio boost cairomm curl doxygen dbus fftw fftwSinglePrec flac glibc
-      glibmm graphviz gtk gtkmm libjack2 libgnomecanvas libgnomecanvasmm liblo
+      glibmm graphviz gtkmm2 libjack2 libgnomecanvas libgnomecanvasmm liblo
       libmad libogg librdf librdf_raptor librdf_rasqal libsamplerate
       libsigcxx libsndfile libusb libuuid libxml2 libxslt lilv-svn lv2
       makeWrapper pango perl pkgconfig python rubberband serd sord-svn sratom suil taglib vampSDK
diff --git a/pkgs/applications/audio/audacity/default.nix b/pkgs/applications/audio/audacity/default.nix
index a93a445db31..b31cecffbd1 100644
--- a/pkgs/applications/audio/audacity/default.nix
+++ b/pkgs/applications/audio/audacity/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, wxGTK30, pkgconfig, gettext, gtk, glib, zlib, perl, intltool,
+{ stdenv, fetchurl, wxGTK30, pkgconfig, gettext, gtk2, glib, zlib, perl, intltool,
   libogg, libvorbis, libmad, alsaLib, libsndfile, soxr, flac, lame, fetchpatch,
   expat, libid3tag, ffmpeg, soundtouch /*, portaudio - given up fighting their portaudio.patch */
   }:
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     pkgconfig gettext wxGTK30 expat alsaLib
-    libsndfile soxr libid3tag gtk
+    libsndfile soxr libid3tag gtk2
     ffmpeg libmad lame libvorbis flac soundtouch
   ]; #ToDo: detach sbsms
 
diff --git a/pkgs/applications/audio/beast/default.nix b/pkgs/applications/audio/beast/default.nix
index 7113a169e80..900d6759e4a 100644
--- a/pkgs/applications/audio/beast/default.nix
+++ b/pkgs/applications/audio/beast/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, zlib, guile, libart_lgpl, pkgconfig, intltool
-, gtk, glib, libogg, libvorbis, libgnomecanvas, gettext, perl }:
+, gtk2, glib, libogg, libvorbis, libgnomecanvas, gettext, perl }:
 
 stdenv.mkDerivation rec {
   name = "beast-0.7.1";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ zlib guile libart_lgpl pkgconfig intltool gtk glib
+    [ zlib guile libart_lgpl pkgconfig intltool gtk2 glib
       libogg libvorbis libgnomecanvas gettext
     ];
 
diff --git a/pkgs/applications/audio/bitwig-studio/default.nix b/pkgs/applications/audio/bitwig-studio/default.nix
index efb36abe240..47c80af9fe0 100644
--- a/pkgs/applications/audio/bitwig-studio/default.nix
+++ b/pkgs/applications/audio/bitwig-studio/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, alsaLib, bzip2, cairo, dpkg, freetype, gdk_pixbuf
-, glib, gtk, harfbuzz, jdk, lib, libX11, libXau, libXcursor, libXdmcp
+, glib, gtk2, harfbuzz, jdk, lib, libX11, libXau, libXcursor, libXdmcp
 , libXext, libXfixes, libXrender, libbsd, libjack2, libpng, libxcb
 , libxkbcommon, libxkbfile, makeWrapper, pixman, xcbutil, xcbutilwm
 , xdg_utils, zenity, zlib }:
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   libPath = lib.makeLibraryPath [
-    alsaLib bzip2.out cairo freetype gdk_pixbuf glib gtk harfbuzz
+    alsaLib bzip2.out cairo freetype gdk_pixbuf glib gtk2 harfbuzz
     libX11 libXau libXcursor libXdmcp libXext libXfixes libXrender
     libbsd libjack2 libpng libxcb libxkbfile pixman xcbutil xcbutilwm
     zlib
diff --git a/pkgs/applications/audio/calf/default.nix b/pkgs/applications/audio/calf/default.nix
index 4ba086d8848..e133df564d7 100644
--- a/pkgs/applications/audio/calf/default.nix
+++ b/pkgs/applications/audio/calf/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, cairo, expat, fftwSinglePrec, fluidsynth, glib
-, gtk, libjack2, ladspaH , libglade, lv2, pkgconfig }:
+, gtk2, libjack2, ladspaH , libglade, lv2, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "calf-${version}";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ 
-    cairo expat fftwSinglePrec fluidsynth glib gtk libjack2 ladspaH
+    cairo expat fftwSinglePrec fluidsynth glib gtk2 libjack2 ladspaH
     libglade lv2 pkgconfig
   ];
 
diff --git a/pkgs/applications/audio/eq10q/default.nix b/pkgs/applications/audio/eq10q/default.nix
index 0ff83a9023e..3ef69606c77 100644
--- a/pkgs/applications/audio/eq10q/default.nix
+++ b/pkgs/applications/audio/eq10q/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, fftw, gtkmm, libxcb, lv2, pkgconfig, xorg }:
+{ stdenv, fetchurl, cmake, fftw, gtkmm2, libxcb, lv2, pkgconfig, xorg }:
 stdenv.mkDerivation rec {
   name = "eq10q-${version}";
   version = "2.0";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "08vlfly0qqrfqiwpn5g5php680icpk97pwnwjadmj5syhgvi0i3h";
   };
 
-  buildInputs = [ cmake fftw gtkmm libxcb lv2 pkgconfig xorg.libpthreadstubs xorg.libXdmcp xorg.libxshmfence ];
+  buildInputs = [ cmake fftw gtkmm2 libxcb lv2 pkgconfig xorg.libpthreadstubs xorg.libXdmcp xorg.libxshmfence ];
 
   installFlags = ''
     DESTDIR=$(out)
diff --git a/pkgs/applications/audio/faust/faust2alsa.nix b/pkgs/applications/audio/faust/faust2alsa.nix
index 2fe03d73a23..17cec46f6c6 100644
--- a/pkgs/applications/audio/faust/faust2alsa.nix
+++ b/pkgs/applications/audio/faust/faust2alsa.nix
@@ -6,7 +6,7 @@
 , freetype
 , gdk_pixbuf
 , glib
-, gtk
+, gtk2
 , pango
 }:
 
@@ -22,7 +22,7 @@ faust.wrapWithBuildEnv {
     freetype
     gdk_pixbuf
     glib
-    gtk
+    gtk2
     pango
   ];
 
diff --git a/pkgs/applications/audio/faust/faust2jack.nix b/pkgs/applications/audio/faust/faust2jack.nix
index 9dfb7f875c5..3867114562d 100644
--- a/pkgs/applications/audio/faust/faust2jack.nix
+++ b/pkgs/applications/audio/faust/faust2jack.nix
@@ -1,5 +1,5 @@
 { faust
-, gtk
+, gtk2
 , jack2Full
 , opencv
 }:
@@ -15,7 +15,7 @@ faust.wrapWithBuildEnv {
   ];
 
   propagatedBuildInputs = [
-    gtk
+    gtk2
     jack2Full
     opencv
   ];
diff --git a/pkgs/applications/audio/gigedit/default.nix b/pkgs/applications/audio/gigedit/default.nix
index 269b48aebb8..e53b498fb6e 100644
--- a/pkgs/applications/audio/gigedit/default.nix
+++ b/pkgs/applications/audio/gigedit/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchsvn, autoconf, automake, docbook_xml_dtd_45
-, docbook_xsl, gtkmm, intltool, libgig, libsndfile, libtool, libxslt
+, docbook_xsl, gtkmm2, intltool, libgig, libsndfile, libtool, libxslt
 , pkgconfig }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   preConfigure = "make -f Makefile.cvs";
 
   buildInputs = [ 
-    autoconf automake docbook_xml_dtd_45 docbook_xsl gtkmm intltool
+    autoconf automake docbook_xml_dtd_45 docbook_xsl gtkmm2 intltool
     libgig libsndfile libtool libxslt pkgconfig 
   ];
 
diff --git a/pkgs/applications/audio/gjay/default.nix b/pkgs/applications/audio/gjay/default.nix
index 7486ec3e081..2d63245fef6 100644
--- a/pkgs/applications/audio/gjay/default.nix
+++ b/pkgs/applications/audio/gjay/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, mpd_clientlib, dbus_glib, audacious, gtk, gsl
+{ stdenv, fetchurl, pkgconfig, mpd_clientlib, dbus_glib, audacious, gtk2, gsl
 , libaudclient }:
 
 stdenv.mkDerivation {
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ pkgconfig ];
 
-  buildInputs = [ mpd_clientlib dbus_glib audacious gtk gsl libaudclient ];
+  buildInputs = [ mpd_clientlib dbus_glib audacious gtk2 gsl libaudclient ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/audio/gmpc/default.nix b/pkgs/applications/audio/gmpc/default.nix
index 0c7b5c2c9ca..ab6dd0eee72 100644
--- a/pkgs/applications/audio/gmpc/default.nix
+++ b/pkgs/applications/audio/gmpc/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, libtool, intltool, pkgconfig, glib
-, gtk, curl, mpd_clientlib, libsoup, gob2, vala_0_23, libunique
+, gtk2, curl, mpd_clientlib, libsoup, gob2, vala_0_23, libunique
 , libSM, libICE, sqlite, hicolor_icon_theme, wrapGAppsHook
 }:
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    libtool intltool pkgconfig glib gtk curl mpd_clientlib libsoup
+    libtool intltool pkgconfig glib gtk2 curl mpd_clientlib libsoup
     libunique libmpd gob2 vala_0_23 libSM libICE sqlite hicolor_icon_theme
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/audio/guitarix/default.nix b/pkgs/applications/audio/guitarix/default.nix
index af213f1a835..4fd68742ba2 100644
--- a/pkgs/applications/audio/guitarix/default.nix
+++ b/pkgs/applications/audio/guitarix/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, gettext, intltool, pkgconfig, python
 , avahi, bluez, boost, eigen, fftw, glib, glib_networking
-, glibmm, gsettings_desktop_schemas, gtk, gtkmm, libjack2
+, glibmm, gsettings_desktop_schemas, gtkmm2, libjack2
 , ladspaH, librdf, libsndfile, lilv, lv2, serd, sord, sratom
 , webkitgtk2, wrapGAppsHook, zita-convolver, zita-resampler
 , optimizationSupport ? false # Enable support for native CPU extensions
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     avahi bluez boost eigen fftw glib glibmm glib_networking.out
-    gsettings_desktop_schemas gtk gtkmm libjack2 ladspaH librdf
+    gsettings_desktop_schemas gtkmm2 libjack2 ladspaH librdf
     libsndfile lilv lv2 serd sord sratom webkitgtk2 zita-convolver
     zita-resampler
   ];
diff --git a/pkgs/applications/audio/ingen/default.nix b/pkgs/applications/audio/ingen/default.nix
index ab8f7af1bd5..9a336576d3a 100644
--- a/pkgs/applications/audio/ingen/default.nix
+++ b/pkgs/applications/audio/ingen/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, boost, ganv, glibmm, gtk, gtkmm, libjack2, lilv-svn
+{ stdenv, fetchsvn, boost, ganv, glibmm, gtkmm2, libjack2, lilv-svn
 , lv2, makeWrapper, pkgconfig, python, raul, rdflib, serd, sord-svn, sratom
 , suil
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation  rec {
   };
 
   buildInputs = [
-    boost ganv glibmm gtk gtkmm libjack2 lilv-svn lv2 makeWrapper pkgconfig
+    boost ganv glibmm gtkmm2 libjack2 lilv-svn lv2 makeWrapper pkgconfig
     python raul serd sord-svn sratom suil
   ];
 
diff --git a/pkgs/applications/audio/jack-rack/default.nix b/pkgs/applications/audio/jack-rack/default.nix
index e4a48230e23..1d1925779f0 100644
--- a/pkgs/applications/audio/jack-rack/default.nix
+++ b/pkgs/applications/audio/jack-rack/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, fetchurl, pkgconfig, libjack2, ladspaH, gtk, alsaLib, libxml2, librdf }:
+{ stdenv, fetchurl, pkgconfig, libjack2, ladspaH, gtk2, alsaLib, libxml2, librdf }:
 stdenv.mkDerivation rec {
   name = "jack-rack-1.4.7";
   src = fetchurl {
     url = "mirror://sourceforge/jack-rack/${name}.tar.bz2";
     sha256 = "1lmibx9gicagcpcisacj6qhq6i08lkl5x8szysjqvbgpxl9qg045";
   };
-  buildInputs = [ pkgconfig libjack2 ladspaH gtk alsaLib libxml2 librdf ];
+  buildInputs = [ pkgconfig libjack2 ladspaH gtk2 alsaLib libxml2 librdf ];
 
   meta = {
     description = ''An effects "rack" for the JACK low latency audio API'';
diff --git a/pkgs/applications/audio/jalv/default.nix b/pkgs/applications/audio/jalv/default.nix
index 5e99e60c818..bcec085887a 100644
--- a/pkgs/applications/audio/jalv/default.nix
+++ b/pkgs/applications/audio/jalv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, libjack2, lilv, lv2, pkgconfig, python
+{ stdenv, fetchurl, gtk2, libjack2, lilv, lv2, pkgconfig, python
 , serd, sord , sratom, suil }:
 
 stdenv.mkDerivation  rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation  rec {
   };
 
   buildInputs = [
-    gtk libjack2 lilv lv2 pkgconfig python serd sord sratom suil
+    gtk2 libjack2 lilv lv2 pkgconfig python serd sord sratom suil
   ];
 
   configurePhase = "python waf configure --prefix=$out";
diff --git a/pkgs/applications/audio/lash/default.nix b/pkgs/applications/audio/lash/default.nix
index cfe29949e4f..da61eee3b64 100644
--- a/pkgs/applications/audio/lash/default.nix
+++ b/pkgs/applications/audio/lash/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, gtk, libjack2, libuuid, libxml2
+{ stdenv, fetchurl, alsaLib, gtk2, libjack2, libuuid, libxml2
 , makeWrapper, pkgconfig, readline }:
 
 assert libuuid != null;
@@ -15,7 +15,7 @@ stdenv.mkDerivation  rec {
   # http://permalink.gmane.org/gmane.linux.redhat.fedora.extras.cvs/822346
   patches = [ ./socket.patch ./gcc-47.patch ];
 
-  buildInputs = [ alsaLib gtk libjack2 libxml2 makeWrapper
+  buildInputs = [ alsaLib gtk2 libjack2 libxml2 makeWrapper
     pkgconfig readline ];
   propagatedBuildInputs = [ libuuid ];
 
diff --git a/pkgs/applications/audio/lingot/default.nix b/pkgs/applications/audio/lingot/default.nix
index 22ab37dc98a..47b65ff2b5a 100644
--- a/pkgs/applications/audio/lingot/default.nix
+++ b/pkgs/applications/audio/lingot/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtk, alsaLib, libglade }:
+{ stdenv, fetchurl, pkgconfig, intltool, gtk2, alsaLib, libglade }:
 
 stdenv.mkDerivation {
   name = "lingot-0.9.1";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   hardeningDisable = [ "format" ];
 
-  buildInputs = [ pkgconfig intltool gtk alsaLib libglade ];
+  buildInputs = [ pkgconfig intltool gtk2 alsaLib libglade ];
 
   configureFlags = "--disable-jack";
 
diff --git a/pkgs/applications/audio/mhwaveedit/default.nix b/pkgs/applications/audio/mhwaveedit/default.nix
index 26400ed61da..2c6df650d5d 100644
--- a/pkgs/applications/audio/mhwaveedit/default.nix
+++ b/pkgs/applications/audio/mhwaveedit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, SDL , alsaLib, gtk, libjack2, ladspaH
+{ stdenv, fetchurl, makeWrapper, SDL , alsaLib, gtk2, libjack2, ladspaH
 , ladspaPlugins, libsamplerate, libsndfile, pkgconfig, libpulseaudio, lame
 , vorbis-tools }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation  rec {
     sha256 = "010rk4mr631s440q9cfgdxx2avgzysr9aq52diwdlbq9cddifli3";
   };
 
-  buildInputs = [ SDL alsaLib gtk libjack2 ladspaH libsamplerate libsndfile
+  buildInputs = [ SDL alsaLib gtk2 libjack2 ladspaH libsamplerate libsndfile
      pkgconfig libpulseaudio makeWrapper ];
 
   configureFlags = "--with-default-ladspa-path=${ladspaPlugins}/lib/ladspa";
diff --git a/pkgs/applications/audio/morituri/default.nix b/pkgs/applications/audio/morituri/default.nix
index b9a38ab9d03..0ab0d24c272 100644
--- a/pkgs/applications/audio/morituri/default.nix
+++ b/pkgs/applications/audio/morituri/default.nix
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   pythonPath = with pythonPackages; [
-    pygobject gst_python musicbrainzngs
+    pygobject2 gst_python musicbrainzngs
     pycdio pyxdg setuptools
     CDDB
   ];
diff --git a/pkgs/applications/audio/mp3info/default.nix b/pkgs/applications/audio/mp3info/default.nix
index d28cd7c9e06..5f1d2bfa93d 100644
--- a/pkgs/applications/audio/mp3info/default.nix
+++ b/pkgs/applications/audio/mp3info/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, ncurses, pkgconfig, gtk }:
+{ fetchurl, stdenv, ncurses, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "mp3info-0.8.5a";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "042f1czcs9n2sbqvg4rsvfwlqib2gk976mfa2kxlfjghx5laqf04";
   };
 
-  buildInputs = [ ncurses pkgconfig gtk ];
+  buildInputs = [ ncurses pkgconfig gtk2 ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/audio/paprefs/default.nix b/pkgs/applications/audio/paprefs/default.nix
index 0f8c7a95010..7cce08e733d 100644
--- a/pkgs/applications/audio/paprefs/default.nix
+++ b/pkgs/applications/audio/paprefs/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, libpulseaudio, gtkmm, libglademm
+{ fetchurl, stdenv, pkgconfig, libpulseaudio, gtkmm2, libglademm
 , dbus_glib, GConf, gconfmm, intltool }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1c5b3sb881szavly220q31g7rvpn94wr7ywlk00hqb9zaikml716";
   };
 
-  buildInputs = [ libpulseaudio gtkmm libglademm dbus_glib gconfmm ];
+  buildInputs = [ libpulseaudio gtkmm2 libglademm dbus_glib gconfmm ];
 
   nativeBuildInputs = [ pkgconfig intltool ];
 
diff --git a/pkgs/applications/audio/patchage/default.nix b/pkgs/applications/audio/patchage/default.nix
index 1deb11d9925..91a270a698e 100644
--- a/pkgs/applications/audio/patchage/default.nix
+++ b/pkgs/applications/audio/patchage/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, alsaLib, boost, dbus_glib, fetchsvn, ganv, glibmm, gtk2
-, gtkmm, libjack2, pkgconfig, python2
+{ stdenv, alsaLib, boost, dbus_glib, fetchsvn, ganv, glibmm
+, gtkmm2, libjack2, pkgconfig, python2
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    alsaLib boost dbus_glib ganv glibmm gtk2 gtkmm libjack2
+    alsaLib boost dbus_glib ganv glibmm gtkmm2 libjack2
     pkgconfig python2
   ];
 
diff --git a/pkgs/applications/audio/petrifoo/default.nix b/pkgs/applications/audio/petrifoo/default.nix
index c9d9ad57487..d86e5aae2cd 100644
--- a/pkgs/applications/audio/petrifoo/default.nix
+++ b/pkgs/applications/audio/petrifoo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, cmake, gtk, libjack2, libgnomecanvas
+{ stdenv, fetchurl, alsaLib, cmake, gtk2, libjack2, libgnomecanvas
 , libpthreadstubs, libsamplerate, libsndfile, libtool, libxml2
 , pkgconfig, openssl }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation  rec {
   };
 
   buildInputs =
-   [ alsaLib cmake  gtk libjack2 libgnomecanvas libpthreadstubs
+   [ alsaLib cmake gtk2 libjack2 libgnomecanvas libpthreadstubs
      libsamplerate libsndfile libtool libxml2 pkgconfig openssl
    ];
 
diff --git a/pkgs/applications/audio/praat/default.nix b/pkgs/applications/audio/praat/default.nix
index 883d49682ce..52f2a0ff924 100644
--- a/pkgs/applications/audio/praat/default.nix
+++ b/pkgs/applications/audio/praat/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, gtk, pkgconfig }:
+{ stdenv, fetchurl, alsaLib, gtk2, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "praat-${version}";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     cp praat $out/bin
   '';
 
-  buildInputs = [ alsaLib gtk pkgconfig ];
+  buildInputs = [ alsaLib gtk2 pkgconfig ];
 
   meta = {
     description = "Doing phonetics by computer";
diff --git a/pkgs/applications/audio/qtractor/default.nix b/pkgs/applications/audio/qtractor/default.nix
index 418efa23b20..9e0abac5ce4 100644
--- a/pkgs/applications/audio/qtractor/default.nix
+++ b/pkgs/applications/audio/qtractor/default.nix
@@ -1,4 +1,4 @@
-{ alsaLib, autoconf, automake, dssi, fetchurl, gtk, libjack2
+{ alsaLib, autoconf, automake, dssi, fetchurl, gtk2, libjack2
 , ladspaH, ladspaPlugins, liblo, libmad, libsamplerate, libsndfile
 , libtool, libvorbis, lilv, lv2, pkgconfig, qt4, rubberband, serd
 , sord, sratom, stdenv, suil }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ alsaLib autoconf automake dssi gtk libjack2 ladspaH
+    [ alsaLib autoconf automake dssi gtk2 libjack2 ladspaH
       ladspaPlugins liblo libmad libsamplerate libsndfile libtool
       libvorbis lilv lv2 pkgconfig qt4 rubberband serd sord sratom
       suil
diff --git a/pkgs/applications/audio/quodlibet/default.nix b/pkgs/applications/audio/quodlibet/default.nix
index a046fe80e13..00856721f95 100644
--- a/pkgs/applications/audio/quodlibet/default.nix
+++ b/pkgs/applications/audio/quodlibet/default.nix
@@ -9,7 +9,7 @@ assert withGstPlugins -> gst_plugins_base != null
 
 let
   version = "2.6.3";
-  inherit (pythonPackages) buildPythonApplication python mutagen pygtk pygobject dbus-python;
+  inherit (pythonPackages) buildPythonApplication python mutagen pygtk pygobject2 dbus-python;
 in buildPythonApplication {
   # call the package quodlibet and just quodlibet
   name = "quodlibet${stdenv.lib.optionalString withGstPlugins "-with-gst-plugins"}-${version}";
@@ -48,7 +48,7 @@ in buildPythonApplication {
   ];
 
   propagatedBuildInputs = [
-    mutagen pygtk pygobject dbus-python gst_python intltool
+    mutagen pygtk pygobject2 dbus-python gst_python intltool
   ];
 
   postInstall = stdenv.lib.optionalString withGstPlugins ''
diff --git a/pkgs/applications/audio/seq24/default.nix b/pkgs/applications/audio/seq24/default.nix
index 73fa58a46c4..eafa0980b4b 100644
--- a/pkgs/applications/audio/seq24/default.nix
+++ b/pkgs/applications/audio/seq24/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, gtkmm, libjack2, pkgconfig }:
+{ stdenv, fetchurl, alsaLib, gtkmm2, libjack2, pkgconfig }:
 
 stdenv.mkDerivation  rec {
   name = "seq24-${version}";
@@ -11,7 +11,7 @@ stdenv.mkDerivation  rec {
 
   patches = [ ./mutex_no_nameclash.patch ];
 
-  buildInputs = [ alsaLib gtkmm libjack2 ];
+  buildInputs = [ alsaLib gtkmm2 libjack2 ];
   nativeBuildInputs = [ pkgconfig ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/applications/audio/spotify/default.nix b/pkgs/applications/audio/spotify/default.nix
index e0d89d809a7..a0188e48a8f 100644
--- a/pkgs/applications/audio/spotify/default.nix
+++ b/pkgs/applications/audio/spotify/default.nix
@@ -1,6 +1,6 @@
 { fetchurl, stdenv, dpkg, xorg, alsaLib, makeWrapper, openssl, freetype
-, glib, pango, cairo, atk, gdk_pixbuf, gtk, cups, nspr, nss, libpng, GConf
-, libgcrypt, systemd, fontconfig, dbus, expat, ffmpeg_0_10, curl, zlib, gnome }:
+, glib, pango, cairo, atk, gdk_pixbuf, gtk2, cups, nspr, nss, libpng, GConf
+, libgcrypt, systemd, fontconfig, dbus, expat, ffmpeg_0_10, curl, zlib, gnome2 }:
 
 assert stdenv.system == "x86_64-linux";
 
@@ -22,7 +22,7 @@ let
     GConf
     gdk_pixbuf
     glib
-    gtk
+    gtk2
     libgcrypt
     libpng
     nss
@@ -83,7 +83,7 @@ stdenv.mkDerivation {
       librarypath="${stdenv.lib.makeLibraryPath deps}:$libdir"
       wrapProgram $out/share/spotify/spotify \
         --prefix LD_LIBRARY_PATH : "$librarypath" \
-        --prefix PATH : "${gnome.zenity}/bin"
+        --prefix PATH : "${gnome2.zenity}/bin"
 
       # Desktop file
       mkdir -p "$out/share/applications/"
diff --git a/pkgs/applications/audio/xsynth-dssi/default.nix b/pkgs/applications/audio/xsynth-dssi/default.nix
index 96da8ad8c55..a55b47a6c16 100644
--- a/pkgs/applications/audio/xsynth-dssi/default.nix
+++ b/pkgs/applications/audio/xsynth-dssi/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, alsaLib, autoconf, automake, dssi, gtk, libjack2,
+{ stdenv, fetchurl, alsaLib, autoconf, automake, dssi, gtk2, libjack2,
 ladspaH, ladspaPlugins, liblo, pkgconfig }:
 
 stdenv.mkDerivation  rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation  rec {
     sha256 = "00nwv2pqjbmxqdc6xdm0cljq6z05lv4y6bibmhz1kih9lm0lklnk";
   };
 
-  buildInputs = [ alsaLib autoconf automake dssi gtk libjack2 ladspaH
+  buildInputs = [ alsaLib autoconf automake dssi gtk2 libjack2 ladspaH
     ladspaPlugins liblo pkgconfig ];
 
   installPhase = ''
diff --git a/pkgs/applications/editors/atom/env.nix b/pkgs/applications/editors/atom/env.nix
index dbfc2ebb6b3..1285e46fb48 100644
--- a/pkgs/applications/editors/atom/env.nix
+++ b/pkgs/applications/editors/atom/env.nix
@@ -1,11 +1,11 @@
-{ stdenv, lib, zlib, glib, alsaLib, dbus, gtk, atk, pango, freetype, fontconfig
+{ stdenv, lib, zlib, glib, alsaLib, dbus, gtk2, atk, pango, freetype, fontconfig
 , libgnome_keyring3, gdk_pixbuf, gvfs, cairo, cups, expat, libgpgerror, nspr
 , gconf, nss, xorg, libcap, systemd, libnotify
 }:
 
 let
   packages = [
-    stdenv.cc.cc zlib glib dbus gtk atk pango freetype libgnome_keyring3
+    stdenv.cc.cc zlib glib dbus gtk2 atk pango freetype libgnome_keyring3
     fontconfig gdk_pixbuf cairo cups expat libgpgerror alsaLib nspr gconf nss
     xorg.libXrender xorg.libX11 xorg.libXext xorg.libXdamage xorg.libXtst
     xorg.libXcomposite xorg.libXi xorg.libXfixes xorg.libXrandr
diff --git a/pkgs/applications/editors/brackets/default.nix b/pkgs/applications/editors/brackets/default.nix
index a839f5b24e5..4237ce73f21 100644
--- a/pkgs/applications/editors/brackets/default.nix
+++ b/pkgs/applications/editors/brackets/default.nix
@@ -1,10 +1,10 @@
-{ stdenv, fetchurl, buildEnv, gtk, glib, gdk_pixbuf, alsaLib, nss, nspr, gconf
+{ stdenv, fetchurl, buildEnv, gtk2, glib, gdk_pixbuf, alsaLib, nss, nspr, gconf
 , cups, libgcrypt_1_5, systemd, makeWrapper, dbus }:
 let
   bracketsEnv = buildEnv {
     name = "env-brackets";
     paths = [
-      gtk glib gdk_pixbuf stdenv.cc.cc alsaLib nss nspr gconf cups libgcrypt_1_5
+      gtk2 glib gdk_pixbuf stdenv.cc.cc alsaLib nss nspr gconf cups libgcrypt_1_5
       dbus systemd.lib
     ];
   };
diff --git a/pkgs/applications/editors/codeblocks/default.nix b/pkgs/applications/editors/codeblocks/default.nix
index 76df6d4d2b9..9cab87e9ed2 100644
--- a/pkgs/applications/editors/codeblocks/default.nix
+++ b/pkgs/applications/editors/codeblocks/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, file, zip, wxGTK, gtk
+{ stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, file, zip, wxGTK, gtk2
 , contribPlugins ? false, hunspell, gamin, boost
 }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "044njhps4cm1ijfdyr5f9wjyd0vblhrz9b4603ma52wcdq25093p";
   };
 
-  buildInputs = [ automake autoconf libtool pkgconfig file zip wxGTK gtk ]
+  buildInputs = [ automake autoconf libtool pkgconfig file zip wxGTK gtk2 ]
     ++ optionals contribPlugins [ hunspell gamin boost ];
   enableParallelBuilding = true;
   patches = [ ./writable-projects.patch ];
diff --git a/pkgs/applications/editors/eclipse/build-eclipse.nix b/pkgs/applications/editors/eclipse/build-eclipse.nix
index 609c5e3c651..74707c65b6c 100644
--- a/pkgs/applications/editors/eclipse/build-eclipse.nix
+++ b/pkgs/applications/editors/eclipse/build-eclipse.nix
@@ -1,4 +1,4 @@
-{ stdenv, makeDesktopItem, freetype, fontconfig, libX11, libXrender, zlib, jdk, glib, gtk, libXtst, webkitgtk2, makeWrapper, ... }:
+{ stdenv, makeDesktopItem, freetype, fontconfig, libX11, libXrender, zlib, jdk, glib, gtk2, libXtst, webkitgtk2, makeWrapper, ... }:
 
 { name, src ? builtins.getAttr stdenv.system sources, sources ? null, description }:
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
     makeWrapper $out/eclipse/eclipse $out/bin/eclipse \
       --prefix PATH : ${jdk}/bin \
-      --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath ([ glib gtk libXtst ] ++ stdenv.lib.optional (webkitgtk2 != null) webkitgtk2)} \
+      --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath ([ glib gtk2 libXtst ] ++ stdenv.lib.optional (webkitgtk2 != null) webkitgtk2)} \
       --add-flags "-configuration \$HOME/.eclipse/''${productId}_$productVersion/configuration"
 
     # Create desktop item.
diff --git a/pkgs/applications/editors/eclipse/default.nix b/pkgs/applications/editors/eclipse/default.nix
index 3d59777e5f0..c688065e6ea 100644
--- a/pkgs/applications/editors/eclipse/default.nix
+++ b/pkgs/applications/editors/eclipse/default.nix
@@ -1,16 +1,16 @@
 { stdenv, lib, fetchurl, makeDesktopItem, makeWrapper
 , freetype, fontconfig, libX11, libXext, libXrender, zlib
-, glib, gtk, libXtst, jdk
+, glib, libXtst, jdk
 , webkitgtk2 ? null  # for internal web browser
 , buildEnv, writeText, runCommand
 , callPackage
-} @ args:
+}:
 
 assert stdenv ? glibc;
 
 rec {
 
-  buildEclipse = import ./build-eclipse.nix args;
+  buildEclipse = callPackage ./build-eclipse.nix { };
 
   eclipse-sdk-35 = buildEclipse {
     name = "eclipse-sdk-3.5.2";
diff --git a/pkgs/applications/editors/geany/with-vte.nix b/pkgs/applications/editors/geany/with-vte.nix
index 679125b5ec4..7689ebad0f0 100644
--- a/pkgs/applications/editors/geany/with-vte.nix
+++ b/pkgs/applications/editors/geany/with-vte.nix
@@ -1,8 +1,8 @@
-{ runCommand, makeWrapper, geany, gnome }:
+{ runCommand, makeWrapper, geany, gnome2 }:
 let name = builtins.replaceStrings ["geany-"] ["geany-with-vte-"] geany.name;
 in
 runCommand "${name}" { nativeBuildInputs = [ makeWrapper ]; } "
    mkdir -p $out
    ln -s ${geany}/share $out
-   makeWrapper ${geany}/bin/geany $out/bin/geany --prefix LD_LIBRARY_PATH : ${gnome.vte}/lib
+   makeWrapper ${geany}/bin/geany $out/bin/geany --prefix LD_LIBRARY_PATH : ${gnome2.vte}/lib
 "
diff --git a/pkgs/applications/editors/gobby/default.nix b/pkgs/applications/editors/gobby/default.nix
index c023da0bc95..32998700c23 100644
--- a/pkgs/applications/editors/gobby/default.nix
+++ b/pkgs/applications/editors/gobby/default.nix
@@ -1,7 +1,7 @@
 { avahiSupport ? false # build support for Avahi in libinfinity
 , gnomeSupport ? false # build support for Gnome(gnome-vfs)
 , stdenv, fetchurl, pkgconfig
-, gtkmm, gsasl, gtksourceview, libxmlxx, libinfinity, intltool
+, gtkmm2, gsasl, gtksourceview, libxmlxx, libinfinity, intltool
 , gnome_vfs ? null}:
 
 let
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
     sha256 = "165x0r668ma5blziisvbr8qig3jw9hf7i6w8r7wwvz3wsac3bswc";
   };
 
-  buildInputs = [ pkgconfig gtkmm gsasl gtksourceview libxmlxx libinf intltool ]
+  buildInputs = [ pkgconfig gtkmm2 gsasl gtksourceview libxmlxx libinf intltool ]
     ++ stdenv.lib.optional gnomeSupport gnome_vfs;
   
   configureFlags = ''
diff --git a/pkgs/applications/editors/leafpad/default.nix b/pkgs/applications/editors/leafpad/default.nix
index a5b0f2e400a..055816a798d 100644
--- a/pkgs/applications/editors/leafpad/default.nix
+++ b/pkgs/applications/editors/leafpad/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gtk }:
+{ stdenv, fetchurl, intltool, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   version = "0.8.18.1";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b0az2wvqgvam7w0ns1j8xp2llslm1rx6h7zcsy06a7j0yp257cm";
   };
 
-  buildInputs = [ intltool pkgconfig gtk ];
+  buildInputs = [ intltool pkgconfig gtk2 ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/editors/lighttable/default.nix b/pkgs/applications/editors/lighttable/default.nix
index 9644cb2d5c7..68f5e14891f 100644
--- a/pkgs/applications/editors/lighttable/default.nix
+++ b/pkgs/applications/editors/lighttable/default.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, buildEnv, zlib, glib, alsaLib, makeDesktopItem
-, dbus, gtk, atk, pango, freetype, fontconfig, libgnome_keyring3, gdk_pixbuf
+, dbus, gtk2, atk, pango, freetype, fontconfig, libgnome_keyring3, gdk_pixbuf
 , cairo, cups, expat, libgpgerror, nspr, gnome3, nss, xorg, systemd, libnotify
 }:
 
 let
   libPath = stdenv.lib.makeLibraryPath [
-      stdenv.cc.cc zlib glib dbus gtk atk pango freetype libgnome_keyring3 nss
+      stdenv.cc.cc zlib glib dbus gtk2 atk pango freetype libgnome_keyring3 nss
       fontconfig gdk_pixbuf cairo cups expat libgpgerror alsaLib nspr gnome3.gconf
       xorg.libXrender xorg.libX11 xorg.libXext xorg.libXdamage xorg.libXtst
       xorg.libXcomposite xorg.libXi xorg.libXfixes libnotify xorg.libXrandr
diff --git a/pkgs/applications/editors/monodevelop/default.nix b/pkgs/applications/editors/monodevelop/default.nix
index cdf1daabea7..44c61d16ec8 100644
--- a/pkgs/applications/editors/monodevelop/default.nix
+++ b/pkgs/applications/editors/monodevelop/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, fetchgit, fetchNuGet
 , autoconf, automake, pkgconfig, shared_mime_info, intltool
-, glib, mono, gtk-sharp, gnome, gnome-sharp, unzip
+, glib, mono, gtk-sharp-2_0, gnome2, gnome-sharp, unzip
 , dotnetPackages
 }:
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     autoconf automake pkgconfig shared_mime_info intltool
-    mono gtk-sharp gnome-sharp unzip
+    mono gtk-sharp-2_0 gnome-sharp unzip
     pkgconfig
     dotnetPackages.NUnit
     dotnetPackages.NUnitRunners
@@ -57,9 +57,9 @@ stdenv.mkDerivation rec {
     for prog in monodevelop mdtool; do
     patch -p 0 $out/bin/$prog <<EOF
     2a3,5
-    > export MONO_GAC_PREFIX=${gnome-sharp}:${gtk-sharp}:\$MONO_GAC_PREFIX
+    > export MONO_GAC_PREFIX=${gnome-sharp}:${gtk-sharp-2_0}:\$MONO_GAC_PREFIX
     > export PATH=${mono}/bin:\$PATH
-    > export LD_LIBRARY_PATH=${stdenv.lib.makeLibraryPath [ glib gnome.libgnomeui gnome.gnome_vfs gnome-sharp gtk-sharp gtk-sharp.gtk ]}:\$LD_LIBRARY_PATH
+    > export LD_LIBRARY_PATH=${stdenv.lib.makeLibraryPath [ glib gnome2.libgnomeui gnome2.gnome_vfs gnome-sharp gtk-sharp-2_0 gtk-sharp-2_0.gtk ]}:\$LD_LIBRARY_PATH
     > 
     EOF
     done
diff --git a/pkgs/applications/editors/scite/default.nix b/pkgs/applications/editors/scite/default.nix
index b2ac66c1e08..989d3e42a6f 100644
--- a/pkgs/applications/editors/scite/default.nix
+++ b/pkgs/applications/editors/scite/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk }:
+{ stdenv, fetchurl, pkgconfig, gtk2 }:
 
 let
   version = "3.3.7";
@@ -12,7 +12,7 @@ in stdenv.mkDerivation {
     sha256 = "0x7i6yxq50frsjkrp3lc5zy0d1ssq2n91igjn0dmqajpg7kls2dd";
   };
 
-  buildInputs = [ pkgconfig gtk ];
+  buildInputs = [ pkgconfig gtk2 ];
   sourceRoot = "scintilla/gtk";
 
   buildPhase = ''
diff --git a/pkgs/applications/editors/sublime/default.nix b/pkgs/applications/editors/sublime/default.nix
index 1f4be1ac508..9cf5bd97d0a 100644
--- a/pkgs/applications/editors/sublime/default.nix
+++ b/pkgs/applications/editors/sublime/default.nix
@@ -1,6 +1,6 @@
-{ fetchurl, stdenv, glib, xorg, cairo, gtk, makeDesktopItem }:
+{ fetchurl, stdenv, glib, xorg, cairo, gtk2, makeDesktopItem }:
 let
-  libPath = stdenv.lib.makeLibraryPath [glib xorg.libX11 gtk cairo];
+  libPath = stdenv.lib.makeLibraryPath [glib xorg.libX11 gtk2 cairo];
 in
 assert stdenv.system == "i686-linux" || stdenv.system == "x86_64-linux";
 
diff --git a/pkgs/applications/editors/sublime3/default.nix b/pkgs/applications/editors/sublime3/default.nix
index 4eb428f37d8..96e47e18483 100644
--- a/pkgs/applications/editors/sublime3/default.nix
+++ b/pkgs/applications/editors/sublime3/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, glib, xorg, cairo, gtk, pango, makeWrapper, openssl, bzip2,
+{ fetchurl, stdenv, glib, xorg, cairo, gtk2, pango, makeWrapper, openssl, bzip2,
   pkexecPath ? "/var/setuid-wrappers/pkexec", libredirect,
   gksuSupport ? false, gksu}:
 
@@ -7,7 +7,7 @@ assert gksuSupport -> gksu != null;
 
 let
   build = "3114";
-  libPath = stdenv.lib.makeLibraryPath [glib xorg.libX11 gtk cairo pango];
+  libPath = stdenv.lib.makeLibraryPath [glib xorg.libX11 gtk2 cairo pango];
   redirects = [ "/usr/bin/pkexec=${pkexecPath}" ]
     ++ stdenv.lib.optional gksuSupport "/usr/bin/gksudo=${gksu}/bin/gksudo";
 in let
diff --git a/pkgs/applications/editors/supertux-editor/default.nix b/pkgs/applications/editors/supertux-editor/default.nix
index 8dcc718e7bb..a9f236a57ae 100644
--- a/pkgs/applications/editors/supertux-editor/default.nix
+++ b/pkgs/applications/editors/supertux-editor/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, mono, gtk-sharp, pkgconfig, makeWrapper, gnome, gtk }:
+{ stdenv, fetchFromGitHub, mono, gtk-sharp-2_0, pkgconfig, makeWrapper, gnome2, gtk2 }:
 stdenv.mkDerivation rec {
   version = "git-2014-08-20";
   name = "supertux-editor-${version}";
@@ -10,19 +10,19 @@ stdenv.mkDerivation rec {
     sha256 = "08y5haclgxvcii3hpdvn1ah8qd0f3n8xgxxs8zryj02b8n7cz3vx";
   };
 
-  buildInputs = [mono gtk-sharp pkgconfig makeWrapper gnome.libglade gtk ];
+  buildInputs = [mono gtk-sharp-2_0 pkgconfig makeWrapper gnome2.libglade gtk2 ];
 
   installPhase = ''
     mkdir -p $out/bin $out/lib/supertux-editor
     cp *.{dll,dll.config,exe} $out/lib/supertux-editor
     makeWrapper "${mono}/bin/mono" $out/bin/supertux-editor \
       --add-flags "$out/lib/supertux-editor/supertux-editor.exe" \
-      --prefix MONO_GAC_PREFIX : ${gtk-sharp} \
+      --prefix MONO_GAC_PREFIX : ${gtk-sharp-2_0} \
       --suffix LD_LIBRARY_PATH : $(echo $NIX_LDFLAGS | sed 's/ -L/:/g;s/ -rpath /:/g;s/-rpath //')
 
     makeWrapper "${mono}/bin/mono" $out/bin/supertux-editor-debug \
       --add-flags "--debug $out/lib/supertux-editor/supertux-editor.exe" \
-      --prefix MONO_GAC_PREFIX : ${gtk-sharp} \
+      --prefix MONO_GAC_PREFIX : ${gtk-sharp-2_0} \
       --suffix LD_LIBRARY_PATH : $(echo $NIX_LDFLAGS | sed 's/ -L/:/g;s/ -rpath /:/g;s/-rpath //')
   '';
 
diff --git a/pkgs/applications/editors/textadept/default.nix b/pkgs/applications/editors/textadept/default.nix
index f412a9bada2..54f4ce1ca3a 100644
--- a/pkgs/applications/editors/textadept/default.nix
+++ b/pkgs/applications/editors/textadept/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchhg, fetchurl, fetchzip, gtk, glib, pkgconfig, unzip, ncurses, zip }:
+{ stdenv, fetchhg, fetchurl, fetchzip, gtk2, glib, pkgconfig, unzip, ncurses, zip }:
 let
   # Textadept requires a whole bunch of external dependencies.
   # The build system expects to be able to download them with wget.
@@ -112,7 +112,7 @@ stdenv.mkDerivation rec {
   name = "textadept-${version}";
 
   buildInputs = [
-    gtk glib pkgconfig unzip ncurses zip
+    gtk2 glib pkgconfig unzip ncurses zip
   ];
 
   src = fetchhg {
diff --git a/pkgs/applications/editors/vim/configurable.nix b/pkgs/applications/editors/vim/configurable.nix
index f0d76eae3b4..b7c87092e89 100644
--- a/pkgs/applications/editors/vim/configurable.nix
+++ b/pkgs/applications/editors/vim/configurable.nix
@@ -1,7 +1,7 @@
 # TODO tidy up eg The patchelf code is patching gvim even if you don't build it..
 # but I have gvim with python support now :) - Marc
 args@{pkgs, source ? "default", fetchurl, fetchFromGitHub, stdenv, ncurses, pkgconfig, gettext
-, composableDerivation, lib, config, glib, gtk, python, perl, tcl, ruby
+, composableDerivation, lib, config, glib, gtk2, python, perl, tcl, ruby
 , libX11, libXext, libSM, libXpm, libXt, libXaw, libXau, libXmu
 , libICE
 
@@ -79,7 +79,7 @@ composableDerivation {
       = [ "--enable-gui=${args.gui}" "--with-features=${args.features}" ];
 
     nativeBuildInputs
-      = [ ncurses pkgconfig gtk libX11 libXext libSM libXpm libXt libXaw libXau
+      = [ ncurses pkgconfig gtk2 libX11 libXext libSM libXpm libXt libXaw libXau
           libXmu glib libICE ];
 
     # most interpreters aren't tested yet.. (see python for example how to do it)
diff --git a/pkgs/applications/graphics/ahoviewer/default.nix b/pkgs/applications/graphics/ahoviewer/default.nix
index 79d6ff06578..2a78f509429 100644
--- a/pkgs/applications/graphics/ahoviewer/default.nix
+++ b/pkgs/applications/graphics/ahoviewer/default.nix
@@ -1,5 +1,5 @@
 { stdenv, pkgs, fetchurl, fetchFromGitHub, pkgconfig, libconfig, 
-  gtkmm, glibmm, libxml2, libsecret, curl, unrar, libzip, 
+  gtkmm2, glibmm, libxml2, libsecret, curl, unrar, libzip,
   librsvg, gst_all_1, autoreconfHook, makeWrapper }:
 stdenv.mkDerivation {
   name = "ahoviewer-1.4.6";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
   enableParallelBuilding = true; 
   nativeBuildInputs = [ autoreconfHook pkgconfig makeWrapper ];
-  buildInputs = [ glibmm libconfig gtkmm glibmm libxml2 
+  buildInputs = [ glibmm libconfig gtkmm2 glibmm libxml2
                   libsecret curl unrar libzip librsvg 
                   gst_all_1.gstreamer
                   gst_all_1.gst-plugins-good 
diff --git a/pkgs/applications/graphics/cinepaint/default.nix b/pkgs/applications/graphics/cinepaint/default.nix
index 4866ba92add..1f28e3d4c07 100644
--- a/pkgs/applications/graphics/cinepaint/default.nix
+++ b/pkgs/applications/graphics/cinepaint/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, cmake, pkgconfig, gtk, freetype, fontconfig, lcms,
+{ stdenv, fetchurl, cmake, pkgconfig, gtk2, freetype, fontconfig, lcms,
   flex, libtiff, libjpeg, libpng, libexif, zlib, perl, libX11,
   perlXMLParser, python, pygtk, gettext, intltool, babl, gegl,
   glib, makedepend, xf86vidmodeproto, xineramaproto, libXmu, openexr,
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b5g4bkq62yiz1cnb2vfij0a8fw5w5z202v5dm4dh89k7cj0yq4w";
   };
 
-  buildInputs = [ libpng gtk freetype fontconfig lcms flex libtiff libjpeg
+  buildInputs = [ libpng gtk2 freetype fontconfig lcms flex libtiff libjpeg
     libexif zlib perl libX11 perlXMLParser python pygtk gettext intltool babl
     gegl glib makedepend xf86vidmodeproto xineramaproto libXmu openexr mesa
     libXext libXpm libXau libXxf86vm pixman libpthreadstubs fltk
diff --git a/pkgs/applications/graphics/dia/default.nix b/pkgs/applications/graphics/dia/default.nix
index 6200048c41d..a8f38d61f9d 100644
--- a/pkgs/applications/graphics/dia/default.nix
+++ b/pkgs/applications/graphics/dia/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, pkgconfig, perl, perlXMLParser, libxml2, gettext
+{stdenv, fetchurl, gtk2, pkgconfig, perl, perlXMLParser, libxml2, gettext
 , python, libxml2Python, docbook5, docbook_xsl, libxslt, intltool, libart_lgpl
 , withGNOME ? false, libgnomeui }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ gtk perlXMLParser libxml2 gettext python libxml2Python docbook5
+    [ gtk2 perlXMLParser libxml2 gettext python libxml2Python docbook5
       libxslt docbook_xsl libart_lgpl
     ] ++ stdenv.lib.optional withGNOME libgnomeui;
 
diff --git a/pkgs/applications/graphics/gcolor2/default.nix b/pkgs/applications/graphics/gcolor2/default.nix
index c7113801b61..b9cf229e8c8 100644
--- a/pkgs/applications/graphics/gcolor2/default.nix
+++ b/pkgs/applications/graphics/gcolor2/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, perl, perlXMLParser, pkgconfig } :
+{stdenv, fetchurl, gtk2, perl, perlXMLParser, pkgconfig } :
 
 let version = "0.4"; in
 stdenv.mkDerivation {
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
         [ ./gcolor2-amd64.patch ] else
         [ ];
 
-buildInputs = [ gtk perl perlXMLParser pkgconfig ];
+buildInputs = [ gtk2 perl perlXMLParser pkgconfig ];
 
   meta = {
     description = "Simple GTK+2 color selector";
diff --git a/pkgs/applications/graphics/geeqie/default.nix b/pkgs/applications/graphics/geeqie/default.nix
index 952d23bbc48..9149e19819f 100644
--- a/pkgs/applications/graphics/geeqie/default.nix
+++ b/pkgs/applications/graphics/geeqie/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, autoconf, automake, gtk, libpng, exiv2
+{ stdenv, fetchurl, pkgconfig, autoconf, automake, gtk2, libpng, exiv2
 , lcms, intltool, gettext, fbida
 }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--enable-gps" ];
 
   buildInputs = [
-    pkgconfig autoconf automake gtk libpng exiv2 lcms intltool gettext
+    pkgconfig autoconf automake gtk2 libpng exiv2 lcms intltool gettext
   ];
 
   postInstall = ''
diff --git a/pkgs/applications/graphics/gimp/2.8.nix b/pkgs/applications/graphics/gimp/2.8.nix
index 48278f5aac5..662e214ceaf 100644
--- a/pkgs/applications/graphics/gimp/2.8.nix
+++ b/pkgs/applications/graphics/gimp/2.8.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, babl, gegl, gtk, glib, gdk_pixbuf
+{ stdenv, fetchurl, pkgconfig, intltool, babl, gegl, gtk2, glib, gdk_pixbuf
 , pango, cairo, freetype, fontconfig, lcms, libpng, libjpeg, poppler, libtiff
 , webkit, libmng, librsvg, libwmf, zlib, libzip, ghostscript, aalib, jasper
 , python, pygtk, libart_lgpl, libexif, gettext, xorg, wrapPython }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ pkgconfig intltool babl gegl gtk glib gdk_pixbuf pango cairo
+    [ pkgconfig intltool babl gegl gtk2 glib gdk_pixbuf pango cairo
       freetype fontconfig lcms libpng libjpeg poppler libtiff webkit
       libmng librsvg libwmf zlib libzip ghostscript aalib jasper
       python pygtk libart_lgpl libexif gettext xorg.libXpm
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
       --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE"
   '';
 
-  passthru = { inherit gtk; }; # probably its a good idea to use the same gtk in plugins ?
+  passthru = { gtk = gtk2; }; # probably its a good idea to use the same gtk in plugins ?
 
   #configureFlags = [ "--disable-print" ];
 
diff --git a/pkgs/applications/graphics/giv/default.nix b/pkgs/applications/graphics/giv/default.nix
index 1587ceb4037..6c892f1bfd4 100644
--- a/pkgs/applications/graphics/giv/default.nix
+++ b/pkgs/applications/graphics/giv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gdk_pixbuf, scons, pkgconfig, gtk, glib,
+{ stdenv, fetchFromGitHub, gdk_pixbuf, scons, pkgconfig, gtk2, glib,
   pcre, cfitsio, perl, gob2, vala_0_23, libtiff, json_glib }:
 
 stdenv.mkDerivation rec {
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
 
   installPhase = "scons install";
 
-  buildInputs = [ gdk_pixbuf pkgconfig gtk glib scons pcre cfitsio perl gob2 vala_0_23 libtiff
+  buildInputs = [ gdk_pixbuf pkgconfig gtk2 glib scons pcre cfitsio perl gob2 vala_0_23 libtiff
     json_glib ];
 
   meta = {
diff --git a/pkgs/applications/graphics/gqview/default.nix b/pkgs/applications/graphics/gqview/default.nix
index 80391ae061e..801e9c5f502 100644
--- a/pkgs/applications/graphics/gqview/default.nix
+++ b/pkgs/applications/graphics/gqview/default.nix
@@ -1,9 +1,9 @@
-{stdenv, fetchurl, pkgconfig, gtk, libpng}:
+{stdenv, fetchurl, pkgconfig, gtk2, libpng}:
 
-assert pkgconfig != null && gtk != null && libpng != null;
+assert pkgconfig != 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 == gtk.libpng;
+# !!! assert libpng == gtk2.libpng;
 
 stdenv.mkDerivation {
   name = "gqview-2.1.5";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "0ilm5s7ps9kg4f5hzgjhg0xhn6zg0v9i7jnd67zrx9h7wsaa9zhj";
   };
 
-  buildInputs = [pkgconfig gtk libpng];
+  buildInputs = [pkgconfig gtk2 libpng];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/graphics/inkscape/default.nix b/pkgs/applications/graphics/inkscape/default.nix
index 25cf3a990d1..36995f0bcc8 100644
--- a/pkgs/applications/graphics/inkscape/default.nix
+++ b/pkgs/applications/graphics/inkscape/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, perl, perlXMLParser, gtk, libXft
-, libpng, zlib, popt, boehmgc, libxml2, libxslt, glib, gtkmm
+{ stdenv, fetchurl, fetchpatch, pkgconfig, perl, perlXMLParser, libXft
+, libpng, zlib, popt, boehmgc, libxml2, libxslt, glib, gtkmm2
 , glibmm, libsigcxx, lcms, boost, gettext, makeWrapper, intltool
 , gsl, python, numpy, pyxml, lxml, poppler, imagemagick, libwpg, librevenge
 , libvisio, libcdr, libexif, unzip, automake114x, autoconf
@@ -49,8 +49,8 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    pkgconfig perl perlXMLParser gtk libXft libpng zlib popt boehmgc
-    libxml2 libxslt glib gtkmm glibmm libsigcxx lcms boost gettext
+    pkgconfig perl perlXMLParser libXft libpng zlib popt boehmgc
+    libxml2 libxslt glib gtkmm2 glibmm libsigcxx lcms boost gettext
     makeWrapper intltool gsl poppler imagemagick libwpg librevenge
     libvisio libcdr libexif automake114x autoconf
   ] ++ stdenv.lib.optional boxMakerPlugin unzip;
diff --git a/pkgs/applications/graphics/k3d/default.nix b/pkgs/applications/graphics/k3d/default.nix
index f5987684c00..a446ab5dd18 100644
--- a/pkgs/applications/graphics/k3d/default.nix
+++ b/pkgs/applications/graphics/k3d/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, unzip, ftgl, glew, asciidoc
 , cmake, mesa, zlib, python, expat, libxml2, libsigcxx, libuuid, freetype
 , libpng, boost, doxygen, cairomm, pkgconfig, imagemagick, libjpeg, libtiff
-, gettext, intltool, perl, gtkmm, glibmm, gtkglext, pangox_compat, libXmu }:
+, gettext, intltool, perl, gtkmm2, glibmm, gtkglext, pangox_compat, libXmu }:
 
 stdenv.mkDerivation rec {
   version = "0.8.0.5";
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
      cmake mesa zlib python expat libxml2 libsigcxx libuuid freetype libpng
      boost boost doxygen cairomm pkgconfig imagemagick libjpeg libtiff
      gettext intltool perl unzip ftgl glew asciidoc
-     gtkmm glibmm gtkglext pangox_compat libXmu
+     gtkmm2 glibmm gtkglext pangox_compat libXmu
     ];
 
   #doCheck = false;
diff --git a/pkgs/applications/graphics/mypaint/default.nix b/pkgs/applications/graphics/mypaint/default.nix
index be8df8ef16d..8abdb3c7bb5 100644
--- a/pkgs/applications/graphics/mypaint/default.nix
+++ b/pkgs/applications/graphics/mypaint/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gettext, glib, gtk, hicolor_icon_theme, json_c
+{ stdenv, fetchurl, gettext, glib, gtk2, hicolor_icon_theme, json_c
 , lcms2, libpng , makeWrapper, pkgconfig, pygtk, python, pythonPackages
 , scons, swig
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    gettext glib gtk json_c lcms2 libpng makeWrapper pkgconfig pygtk
+    gettext glib gtk2 json_c lcms2 libpng makeWrapper pkgconfig pygtk
     python scons swig
   ];
 
diff --git a/pkgs/applications/graphics/pqiv/default.nix b/pkgs/applications/graphics/pqiv/default.nix
index 3fd9d47374a..25c6fc36c6c 100644
--- a/pkgs/applications/graphics/pqiv/default.nix
+++ b/pkgs/applications/graphics/pqiv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, getopt, which, pkgconfig, gtk } :
+{ stdenv, fetchurl, getopt, which, pkgconfig, gtk2 } :
 
 stdenv.mkDerivation (rec {
   name = "pqiv-0.12";
@@ -8,7 +8,7 @@ stdenv.mkDerivation (rec {
     sha256 = "646c69f2f4e7289913f6b8e8ae984befba9debf0d2b4cc8af9955504a1fccf1e";
   };
 
-  buildInputs = [ getopt which pkgconfig gtk ];
+  buildInputs = [ getopt which pkgconfig gtk2 ];
 
   preConfigure=''
     substituteInPlace configure --replace /bin/bash "$shell"
diff --git a/pkgs/applications/graphics/qiv/default.nix b/pkgs/applications/graphics/qiv/default.nix
index 35c0ca2aff9..9d147a635f3 100644
--- a/pkgs/applications/graphics/qiv/default.nix
+++ b/pkgs/applications/graphics/qiv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, imlib2, file, lcms2, libexif } :
+{ stdenv, fetchurl, pkgconfig, gtk2, imlib2, file, lcms2, libexif } :
 
 stdenv.mkDerivation (rec {
   version = "2.3.1";
@@ -9,7 +9,7 @@ stdenv.mkDerivation (rec {
     sha256 = "1rlf5h67vhj7n1y7jqkm9k115nfnzpwngj3kzqsi2lg676srclv7";
   };
 
-  buildInputs = [ pkgconfig gtk imlib2 file lcms2 libexif ];
+  buildInputs = [ pkgconfig gtk2 imlib2 file lcms2 libexif ];
 
   preBuild=''
     substituteInPlace Makefile --replace /usr/local "$out"
diff --git a/pkgs/applications/graphics/rawtherapee/default.nix b/pkgs/applications/graphics/rawtherapee/default.nix
index aeb427348ca..450124706c6 100644
--- a/pkgs/applications/graphics/rawtherapee/default.nix
+++ b/pkgs/applications/graphics/rawtherapee/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchFromGitHub, pkgconfig, gtk, cmake, pixman, libpthreadstubs, gtkmm, libXau
-, libXdmcp, lcms2, libiptcdata, libcanberra, fftw, expat, pcre, libsigcxx 
+{ stdenv, fetchFromGitHub, pkgconfig, cmake, pixman, libpthreadstubs, gtkmm2, libXau
+, libXdmcp, lcms2, libiptcdata, libcanberra_gtk2, fftw, expat, pcre, libsigcxx
 , mercurial  # Not really needed for anything, but it fails if it does not find 'hg'
 }:
 
@@ -13,8 +13,8 @@ stdenv.mkDerivation rec {
     sha256 = "1v4px239vlmk9l8wbzlvlyni4ns12icxmgfz21m86jkd10pj5dgr";
   };
   
-  buildInputs = [ pkgconfig gtk cmake pixman libpthreadstubs gtkmm libXau libXdmcp
-    lcms2 libiptcdata mercurial libcanberra fftw expat pcre libsigcxx ];
+  buildInputs = [ pkgconfig cmake pixman libpthreadstubs gtkmm2 libXau libXdmcp
+    lcms2 libiptcdata mercurial libcanberra_gtk2 fftw expat pcre libsigcxx ];
 
   patchPhase = ''
     patch -p1 < ${./sigc++_fix.patch}
diff --git a/pkgs/applications/graphics/sane/frontends.nix b/pkgs/applications/graphics/sane/frontends.nix
index b5abe34581a..bd19ef3c43b 100644
--- a/pkgs/applications/graphics/sane/frontends.nix
+++ b/pkgs/applications/graphics/sane/frontends.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, sane-backends, libX11, gtk, pkgconfig, libusb ? null}:
+{ stdenv, fetchurl, sane-backends, libX11, gtk2, pkgconfig, libusb ? null}:
 
 stdenv.mkDerivation rec {
   name = "sane-frontends-1.0.14";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sed -e '/SANE_CAP_ALWAYS_SETTABLE/d' -i src/gtkglue.c
   '';
 
-  buildInputs = [sane-backends libX11 gtk pkgconfig] ++
+  buildInputs = [sane-backends libX11 gtk2 pkgconfig] ++
 	(if libusb != null then [libusb] else []);
 
   meta = {
diff --git a/pkgs/applications/graphics/sane/xsane.nix b/pkgs/applications/graphics/sane/xsane.nix
index b3a432c96df..de07a4f1a89 100644
--- a/pkgs/applications/graphics/sane/xsane.nix
+++ b/pkgs/applications/graphics/sane/xsane.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk, pkgconfig, libpng
+{ stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk2, pkgconfig, libpng
 , libusb ? null
 , gimpSupport ? false, gimp_2_8 ? null
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     chmod a+rX -R .
   '';
 
-  buildInputs = [libpng sane-backends sane-frontends libX11 gtk pkgconfig ]
+  buildInputs = [libpng sane-backends sane-frontends libX11 gtk2 pkgconfig ]
     ++ (if libusb != null then [libusb] else [])
     ++ stdenv.lib.optional gimpSupport gimp_2_8;
 
diff --git a/pkgs/applications/graphics/ufraw/default.nix b/pkgs/applications/graphics/ufraw/default.nix
index 23a37ab43ae..fc8e7a62c2b 100644
--- a/pkgs/applications/graphics/ufraw/default.nix
+++ b/pkgs/applications/graphics/ufraw/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, gtk, gettext, bzip2, zlib
+{ fetchurl, stdenv, pkgconfig, gtk2, gettext, bzip2, zlib
 , libjpeg, libtiff, cfitsio, exiv2, lcms2, gtkimageview, lensfun }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ pkgconfig gtk gtkimageview gettext bzip2 zlib
+    [ pkgconfig gtk2 gtkimageview gettext bzip2 zlib
       libjpeg libtiff cfitsio exiv2 lcms2 lensfun
     ];
 
diff --git a/pkgs/applications/graphics/xara/default.nix b/pkgs/applications/graphics/xara/default.nix
index cc456465ba6..4542de2d42f 100644
--- a/pkgs/applications/graphics/xara/default.nix
+++ b/pkgs/applications/graphics/xara/default.nix
@@ -1,5 +1,5 @@
 {stdenv, fetchurl, automake, gettext, freetype, libxml2, pango, pkgconfig
-, wxGTK, gtk, perl, zip}:
+, wxGTK, gtk2, perl, zip}:
 
 stdenv.mkDerivation {
   name = "xaralx-0.7r1785";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [ automake pkgconfig gettext perl zip ];
-  buildInputs = [ wxGTK gtk libxml2 freetype pango ];
+  buildInputs = [ wxGTK gtk2 libxml2 freetype pango ];
 
   configureFlags = "--disable-svnversion";
 
diff --git a/pkgs/applications/graphics/xournal/default.nix b/pkgs/applications/graphics/xournal/default.nix
index 53d0473638a..b81efb08d8a 100644
--- a/pkgs/applications/graphics/xournal/default.nix
+++ b/pkgs/applications/graphics/xournal/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl
-, ghostscript, atk, gtk, glib, fontconfig, freetype
+, ghostscript, atk, gtk2, glib, fontconfig, freetype
 , libgnomecanvas, libgnomeprint, libgnomeprintui
 , pango, libX11, xproto, zlib, poppler
 , autoconf, automake, libtool, pkgconfig}:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    ghostscript atk gtk glib fontconfig freetype
+    ghostscript atk gtk2 glib fontconfig freetype
     libgnomecanvas libgnomeprint libgnomeprintui
     pango libX11 xproto zlib poppler
   ];
diff --git a/pkgs/applications/graphics/xzgv/default.nix b/pkgs/applications/graphics/xzgv/default.nix
index 053e1137e39..99931442945 100644
--- a/pkgs/applications/graphics/xzgv/default.nix
+++ b/pkgs/applications/graphics/xzgv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, pkgconfig, texinfo }:
+{ stdenv, fetchurl, gtk2, pkgconfig, texinfo }:
 
 stdenv.mkDerivation rec {
   name = "xzgv-${version}";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     url = "mirror://sourceforge/xzgv/xzgv-${version}.tar.gz";
     sha256 = "1rh432wnvzs434knzbda0fslhfx0gngryrrnqkfm6gwd2g5mxcph";
   };
-  buildInputs = [ gtk pkgconfig texinfo ];
+  buildInputs = [ gtk2 pkgconfig texinfo ];
   patches = [ ./fix-linker-paths.patch ];
   postPatch = ''
     substituteInPlace config.mk \
diff --git a/pkgs/applications/misc/adobe-reader/default.nix b/pkgs/applications/misc/adobe-reader/default.nix
index d31e9234e09..88bf87b0a84 100644
--- a/pkgs/applications/misc/adobe-reader/default.nix
+++ b/pkgs/applications/misc/adobe-reader/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libX11, cups, zlib, libxml2, pango, atk, gtk, glib
+{ stdenv, fetchurl, libX11, cups, zlib, libxml2, pango, atk, gtk2, glib
 , gdk_pixbuf }:
 
 assert stdenv.system == "i686-linux";
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   # versions.
 
   libPath = stdenv.lib.makeLibraryPath
-    [ stdenv.cc.cc libX11 zlib libxml2 cups pango atk gtk glib gdk_pixbuf ];
+    [ stdenv.cc.cc libX11 zlib libxml2 cups pango atk gtk2 glib gdk_pixbuf ];
 
   passthru.mozillaPlugin = "/libexec/adobe-reader/Browser/intellinux";
 
diff --git a/pkgs/applications/misc/artha/default.nix b/pkgs/applications/misc/artha/default.nix
index a8914a9014d..3294d18e70b 100644
--- a/pkgs/applications/misc/artha/default.nix
+++ b/pkgs/applications/misc/artha/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, dbus_glib, gtk, pkgconfig, wordnet }:
+{ stdenv, fetchurl, dbus_glib, gtk2, pkgconfig, wordnet }:
 
 stdenv.mkDerivation rec {
   name = "artha-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0qr4ihl7ma3cq82xi1fpzvf74mm9vsg0j035xvmcp3r6rmw2fycx";
   };
 
-  buildInputs = [ dbus_glib gtk pkgconfig wordnet ];
+  buildInputs = [ dbus_glib gtk2 pkgconfig wordnet ];
 
   meta = with stdenv.lib; {
     description = "An offline thesaurus based on WordNet";
diff --git a/pkgs/applications/misc/avrdudess/default.nix b/pkgs/applications/misc/avrdudess/default.nix
index 0df0a564731..6cc6cc5d9b9 100644
--- a/pkgs/applications/misc/avrdudess/default.nix
+++ b/pkgs/applications/misc/avrdudess/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, unzip, mono, avrgcclibc, avrdude, gtk, xdg_utils }:
+{ stdenv, fetchurl, unzip, mono, avrgcclibc, avrdude, gtk2, xdg_utils }:
 
 stdenv.mkDerivation rec {
   name = "avrdudess-2.2.20140102";
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
     cat >> "$out/bin/avrdudess" << __EOF__
     #!${stdenv.shell}
-    export LD_LIBRARY_PATH="${stdenv.lib.makeLibraryPath [gtk mono]}"
+    export LD_LIBRARY_PATH="${stdenv.lib.makeLibraryPath [gtk2 mono]}"
     # We need PATH from user env for xdg-open to find its tools, which
     # typically depend on the currently running desktop environment.
     export PATH="${stdenv.lib.makeBinPath [ avrgcclibc avrdude xdg_utils ]}:\$PATH"
diff --git a/pkgs/applications/misc/batti/default.nix b/pkgs/applications/misc/batti/default.nix
index 14416c24d23..22f03419e5b 100644
--- a/pkgs/applications/misc/batti/default.nix
+++ b/pkgs/applications/misc/batti/default.nix
@@ -1,10 +1,10 @@
 { stdenv, fetchurl
 , pkgconfig, gettext, pythonPackages
-, gtk, gdk_pixbuf, upower
+, gtk2, gdk_pixbuf, upower
 , makeWrapper }:
 
 let
-  inherit (pythonPackages) dbus-python pygtk python;
+  inherit (pythonPackages) dbus-python pygtk2 python;
 in stdenv.mkDerivation rec {
 
   name = "batti-${version}";
@@ -16,7 +16,7 @@ in stdenv.mkDerivation rec {
   };
 
   buildInputs = with stdenv.lib;
-  [ pkgconfig gettext python gtk pygtk dbus-python gdk_pixbuf upower makeWrapper ];
+  [ pkgconfig gettext python gtk2 pygtk2 dbus-python gdk_pixbuf upower makeWrapper ];
 
   configurePhase = "true";
 
diff --git a/pkgs/applications/misc/clipit/default.nix b/pkgs/applications/misc/clipit/default.nix
index 57f6c229a08..e62236e7ae2 100644
--- a/pkgs/applications/misc/clipit/default.nix
+++ b/pkgs/applications/misc/clipit/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, intltool, pkgconfig, gtk, xdotool }:
+{ fetchurl, stdenv, intltool, pkgconfig, gtk2, xdotool }:
 
 stdenv.mkDerivation rec {
   name = "clipit-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jrwn8qfgb15rwspdp1p8hb1nc0ngmpvgr87d4k3lhlvqg2cfqva";
   };
 
-  buildInputs = [ intltool pkgconfig gtk xdotool  ];
+  buildInputs = [ intltool pkgconfig gtk2 xdotool  ];
 
   meta = with stdenv.lib; {
     description = "Lightweight GTK+ Clipboard Manager";
diff --git a/pkgs/applications/misc/d4x/default.nix b/pkgs/applications/misc/d4x/default.nix
index cdcada196b9..b6d6e53b001 100644
--- a/pkgs/applications/misc/d4x/default.nix
+++ b/pkgs/applications/misc/d4x/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, glib, pkgconfig, openssl, boost }:
+{ stdenv, fetchurl, gtk2, glib, pkgconfig, openssl, boost }:
 
 stdenv.mkDerivation {
   name = "d4x-2.5.7.1";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
     sha256 = "1i1jj02bxynisqapv31481sz9jpfp3f023ky47spz1v1wlwbs13m";
   };
 
-  buildInputs = [ gtk glib pkgconfig openssl boost ];
+  buildInputs = [ gtk2 glib pkgconfig openssl boost ];
 
   meta = {
     description = "Graphical download manager";
diff --git a/pkgs/applications/misc/eaglemode/default.nix b/pkgs/applications/misc/eaglemode/default.nix
index 061a10c6a9f..95cae316a71 100644
--- a/pkgs/applications/misc/eaglemode/default.nix
+++ b/pkgs/applications/misc/eaglemode/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, perl, libX11, libjpeg, libpng, libtiff, pkgconfig,
-librsvg, glib, gtk, libXext, libXxf86vm, poppler, xineLib }:
+librsvg, glib, gtk2, libXext, libXxf86vm, poppler, xineLib }:
 
 stdenv.mkDerivation rec {
   name = "eaglemode-0.86.0";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ perl libX11 libjpeg libpng libtiff pkgconfig
-    librsvg glib gtk libXxf86vm libXext poppler xineLib ];
+    librsvg glib gtk2 libXxf86vm libXext poppler xineLib ];
 
   # The program tries to dlopen both Xxf86vm and Xext, so we use the
   # trick on NIX_LDFLAGS and dontPatchELF to make it find them.
diff --git a/pkgs/applications/misc/epdfview/default.nix b/pkgs/applications/misc/epdfview/default.nix
index 782ef4ae366..09bef975c85 100644
--- a/pkgs/applications/misc/epdfview/default.nix
+++ b/pkgs/applications/misc/epdfview/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, gtk, poppler }:
+{ stdenv, fetchurl, fetchpatch, pkgconfig, gtk2, poppler }:
 
 stdenv.mkDerivation rec {
   name = "epdfview-0.1.8";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1w7qybh8ssl4dffi5qfajq8mndw7ipsd92vkim03nywxgjp4i1ll";
   };
 
-  buildInputs = [ pkgconfig gtk poppler ];
+  buildInputs = [ pkgconfig gtk2 poppler ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/misc/evilvte/default.nix b/pkgs/applications/misc/evilvte/default.nix
index f7a8fe4eafc..1165ced11f9 100644
--- a/pkgs/applications/misc/evilvte/default.nix
+++ b/pkgs/applications/misc/evilvte/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, makeWrapper, pkgconfig,
-  gnome, glib, pango, cairo, gdk_pixbuf, atk, freetype, xorg,
+  gnome2, glib, pango, cairo, gdk_pixbuf, atk, freetype, xorg,
   configH
 }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    gnome.vte glib pango gnome.gtk cairo gdk_pixbuf atk freetype xorg.libX11
+    gnome2.vte glib pango gnome2.gtk cairo gdk_pixbuf atk freetype xorg.libX11
     xorg.xproto xorg.kbproto xorg.libXext xorg.xextproto makeWrapper pkgconfig
   ];
 
diff --git a/pkgs/applications/misc/fme/default.nix b/pkgs/applications/misc/fme/default.nix
index 685c0ecb4ed..30169588501 100644
--- a/pkgs/applications/misc/fme/default.nix
+++ b/pkgs/applications/misc/fme/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, autoconf, automake, gettext
-, fluxbox, bc, gtkmm, glibmm, libglademm, libsigcxx }:
+, fluxbox, bc, gtkmm2, glibmm, libglademm, libsigcxx }:
 
 stdenv.mkDerivation rec{
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec{
     sha256 = "d1c81a6a38c0faad02943ad65d6d0314bd205c6de841669a2efe43e4c503e63d";
   };
 
-  buildInputs = [ pkgconfig autoconf automake gettext fluxbox bc gtkmm glibmm libglademm libsigcxx ];
+  buildInputs = [ pkgconfig autoconf automake gettext fluxbox bc gtkmm2 glibmm libglademm libsigcxx ];
 
   preConfigure = ''
     ./autogen.sh
diff --git a/pkgs/applications/misc/gkrellm/default.nix b/pkgs/applications/misc/gkrellm/default.nix
index f4fec41b9e6..d6a59a89be6 100644
--- a/pkgs/applications/misc/gkrellm/default.nix
+++ b/pkgs/applications/misc/gkrellm/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, gettext, pkgconfig, glib, gtk, libX11, libSM, libICE
+{ fetchurl, stdenv, gettext, pkgconfig, glib, gtk2, libX11, libSM, libICE
 , IOKit ? null }:
 
 stdenv.mkDerivation rec {
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "12rc6zaa7kb60b9744lbrlfkxxfniprm6x0mispv63h4kh75navh";
   };
 
-  buildInputs = [gettext pkgconfig glib gtk libX11 libSM libICE]
+  buildInputs = [gettext pkgconfig glib gtk2 libX11 libSM libICE]
     ++ stdenv.lib.optionals stdenv.isDarwin [ IOKit ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/misc/gksu/default.nix b/pkgs/applications/misc/gksu/default.nix
index c3f78efd412..0b6ebe06b88 100644
--- a/pkgs/applications/misc/gksu/default.nix
+++ b/pkgs/applications/misc/gksu/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, gnome3, libgksu,
+{ stdenv, fetchurl, pkgconfig, gtk2, gnome3, libgksu,
   intltool, libstartup_notification, gtk_doc, wrapGAppsHook
 }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    gtk gnome3.gconf libstartup_notification gnome3.libgnome_keyring
+    gtk2 gnome3.gconf libstartup_notification gnome3.libgnome_keyring
   ];
 
   propagatedBuildInputs = [
diff --git a/pkgs/applications/misc/gosmore/default.nix b/pkgs/applications/misc/gosmore/default.nix
index e894ace0d45..5d13c18edc3 100644
--- a/pkgs/applications/misc/gosmore/default.nix
+++ b/pkgs/applications/misc/gosmore/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, libxml2, gtk, curl, pkgconfig } :
+{ stdenv, fetchsvn, libxml2, gtk2, curl, pkgconfig } :
 
 let
   version = "31801";
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     ignoreExternals = true;
   };
 
-  buildInputs = [ libxml2 gtk curl ];
+  buildInputs = [ libxml2 gtk2 curl ];
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/applications/misc/gpa/default.nix b/pkgs/applications/misc/gpa/default.nix
index 10b8065c623..600a5493121 100644
--- a/pkgs/applications/misc/gpa/default.nix
+++ b/pkgs/applications/misc/gpa/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gtk, gpgme, libgpgerror, libassuan }:
+{ stdenv, fetchurl, intltool, pkgconfig, gtk2, gpgme, libgpgerror, libassuan }:
 
 stdenv.mkDerivation rec {
   name = "gpa-0.9.9";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d235hcqai7m3qb7m9kvr2r4qg4714f87j9fdplwrlz1p4wdfa38";
   };
 
-  buildInputs = [ intltool pkgconfig gtk gpgme libgpgerror libassuan ];
+  buildInputs = [ intltool pkgconfig gtk2 gpgme libgpgerror libassuan ];
 
   meta = with stdenv.lib; {
     description = "Graphical user interface for the GnuPG";
diff --git a/pkgs/applications/misc/gpscorrelate/default.nix b/pkgs/applications/misc/gpscorrelate/default.nix
index c6b48af5c06..5026fea0e35 100644
--- a/pkgs/applications/misc/gpscorrelate/default.nix
+++ b/pkgs/applications/misc/gpscorrelate/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, exiv2, libxml2, gtk
+{ fetchurl, stdenv, pkgconfig, exiv2, libxml2, gtk2
 , libxslt, docbook_xsl, docbook_xml_dtd_42 }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    pkgconfig exiv2 libxml2 gtk
+    pkgconfig exiv2 libxml2 gtk2
     libxslt docbook_xsl docbook_xml_dtd_42
   ];
 
diff --git a/pkgs/applications/misc/green-pdfviewer/default.nix b/pkgs/applications/misc/green-pdfviewer/default.nix
index 03d333e59e6..623cb12f932 100644
--- a/pkgs/applications/misc/green-pdfviewer/default.nix
+++ b/pkgs/applications/misc/green-pdfviewer/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, poppler, pkgconfig, gdk_pixbuf, SDL, gtk }:
+{ stdenv, fetchFromGitHub, poppler, pkgconfig, gdk_pixbuf, SDL, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "green-pdfviewer-${version}";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d0lv33flhgsxhc77kfp2avdz5gvml04r8l1j95yjz2rr096lzlj";
   };
 
-  buildInputs = [ poppler pkgconfig gdk_pixbuf SDL gtk ];
+  buildInputs = [ poppler pkgconfig gdk_pixbuf SDL gtk2 ];
 
   patches = [
     ./gdk-libs.patch
diff --git a/pkgs/applications/misc/grip/default.nix b/pkgs/applications/misc/grip/default.nix
index 07cecc2d84e..5db5b25947e 100644
--- a/pkgs/applications/misc/grip/default.nix
+++ b/pkgs/applications/misc/grip/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, glib, pkgconfig, libgnome, libgnomeui, vte
+{ stdenv, fetchurl, gtk2, glib, pkgconfig, libgnome, libgnomeui, vte
 , curl, cdparanoia, libid3tag, ncurses, libtool }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1zb6zpq7qmn6bflbgfwisyg3vrjr23yi1c1kqvwndl1f0shr8qyl";
   };
 
-  buildInputs = [ gtk glib pkgconfig libgnome libgnomeui vte curl cdparanoia
+  buildInputs = [ gtk2 glib pkgconfig libgnome libgnomeui vte curl cdparanoia
     libid3tag ncurses libtool ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/misc/hamster-time-tracker/default.nix b/pkgs/applications/misc/hamster-time-tracker/default.nix
index aa6a4bd689a..3191c00e9ec 100644
--- a/pkgs/applications/misc/hamster-time-tracker/default.nix
+++ b/pkgs/applications/misc/hamster-time-tracker/default.nix
@@ -21,7 +21,7 @@ pythonPackages.buildPythonApplication rec {
     docbook2x libxslt gnome_doc_utils intltool dbus_glib hicolor_icon_theme
   ];
 
-  propagatedBuildInputs = with pythonPackages; [ pygobject pygtk pyxdg gnome_python dbus-python sqlite3 ];
+  propagatedBuildInputs = with pythonPackages; [ pygobject2 pygtk pyxdg gnome_python dbus-python sqlite3 ];
 
   configurePhase = ''
     python waf configure --prefix="$out"
diff --git a/pkgs/applications/misc/hyperterm/default.nix b/pkgs/applications/misc/hyperterm/default.nix
index b3e0ef71c3c..59cd9ac2696 100644
--- a/pkgs/applications/misc/hyperterm/default.nix
+++ b/pkgs/applications/misc/hyperterm/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, lib, fetchurl, dpkg, gtk, atk, glib, pango, gdk_pixbuf, cairo
+{ stdenv, lib, fetchurl, dpkg, gtk2, atk, glib, pango, gdk_pixbuf, cairo
 , freetype, fontconfig, dbus, libXi, libXcursor, libXdamage, libXrandr
 , libXcomposite, libXext, libXfixes, libXrender, libX11, libXtst, libXScrnSaver
 , GConf, nss, nspr, alsaLib, cups, expat, libudev, libpulseaudio }:
 
 let
   libPath = stdenv.lib.makeLibraryPath [
-    stdenv.cc.cc gtk atk glib pango gdk_pixbuf cairo freetype fontconfig dbus
+    stdenv.cc.cc gtk2 atk glib pango gdk_pixbuf cairo freetype fontconfig dbus
     libXi libXcursor libXdamage libXrandr libXcomposite libXext libXfixes
     libXrender libX11 libXtst libXScrnSaver GConf nss nspr alsaLib cups expat libudev libpulseaudio
   ];
diff --git a/pkgs/applications/misc/jigdo/default.nix b/pkgs/applications/misc/jigdo/default.nix
index fd9077a619c..8e5c5d6206c 100644
--- a/pkgs/applications/misc/jigdo/default.nix
+++ b/pkgs/applications/misc/jigdo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, db, gtk, bzip2 }:
+{ stdenv, fetchurl, db, gtk2, bzip2 }:
 
 stdenv.mkDerivation {
   name = "jigdo-0.7.3";
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
     sha256 = "0cp4jz3sg9g86vprh90pmwpcfla79f0dr50w14yh01k0yaq70fs8";
   };
 
-  buildInputs = [ db gtk bzip2 ];
+  buildInputs = [ db gtk2 bzip2 ];
 
   configureFlags = "--without-libdb";
 
diff --git a/pkgs/applications/misc/kiwix/default.nix b/pkgs/applications/misc/kiwix/default.nix
index bd0118c75f4..a3c140b6e6c 100644
--- a/pkgs/applications/misc/kiwix/default.nix
+++ b/pkgs/applications/misc/kiwix/default.nix
@@ -1,7 +1,7 @@
 { stdenv, callPackage, overrideCC, fetchurl, makeWrapper, pkgconfig
 , zip, python, zlib, which, icu, libmicrohttpd, lzma, ctpp2, aria2, wget, bc
 , libuuid, glibc, libX11, libXext, libXt, libXrender, glib, dbus, dbus_glib
-, gtk, gdk_pixbuf, pango, cairo , freetype, fontconfig, alsaLib, atk
+, gtk2, gdk_pixbuf, pango, cairo , freetype, fontconfig, alsaLib, atk
 }:
 
 let
@@ -98,7 +98,7 @@ stdenv.mkDerivation rec {
 
     rm $out/bin/kiwix
     makeWrapper $out/lib/kiwix/kiwix-launcher $out/bin/kiwix \
-      --suffix LD_LIBRARY_PATH : ${makeLibraryPath [stdenv.cc.cc libX11 libXext libXt libXrender glib dbus dbus_glib gtk gdk_pixbuf pango cairo freetype fontconfig alsaLib atk]} \
+      --suffix LD_LIBRARY_PATH : ${makeLibraryPath [stdenv.cc.cc libX11 libXext libXt libXrender glib dbus dbus_glib gtk2 gdk_pixbuf pango cairo freetype fontconfig alsaLib atk]} \
       --suffix PATH : ${aria2}/bin
   '';
 
diff --git a/pkgs/applications/misc/lighthouse/default.nix b/pkgs/applications/misc/lighthouse/default.nix
index 6bd834846b6..f6bfe61e5aa 100644
--- a/pkgs/applications/misc/lighthouse/default.nix
+++ b/pkgs/applications/misc/lighthouse/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, pkgconfig
-, libX11, libxcb, cairo, gtk, pango, python27, python3
+, libX11, libxcb, cairo, gtk2, pango, python27, python3
 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
    };
 
   buildInputs = [
-    pkgconfig libX11 libxcb cairo gtk pango python27 python3
+    pkgconfig libX11 libxcb cairo gtk2 pango python27 python3
   ];
 
   makeFlags = [ "PREFIX=\${out}" ];
diff --git a/pkgs/applications/misc/lxappearance/default.nix b/pkgs/applications/misc/lxappearance/default.nix
index b6e59613b3c..8683d5b3cea 100644
--- a/pkgs/applications/misc/lxappearance/default.nix
+++ b/pkgs/applications/misc/lxappearance/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, libX11, gtk }:
+{ stdenv, fetchurl, intltool, pkgconfig, libX11, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "lxappearance-0.6.1";
@@ -6,7 +6,7 @@ stdenv.mkDerivation rec {
     url = "mirror://sourceforge/project/lxde/LXAppearance/${name}.tar.xz";
     sha256 = "1phnv1b2jdj2vlibjyc9z01izcf3k5zxj8glsaf0i3vh77zqmqq9";
   };
-  buildInputs = [ intltool libX11 pkgconfig gtk ];
+  buildInputs = [ intltool libX11 pkgconfig gtk2 ];
   meta = {
     description = "A lightweight program for configuring the theme and fonts of gtk applications";
     maintainers = [ stdenv.lib.maintainers.hinton ];
diff --git a/pkgs/applications/misc/multisync/default.nix b/pkgs/applications/misc/multisync/default.nix
index fc55b275dd0..5c00bddd9d2 100644
--- a/pkgs/applications/misc/multisync/default.nix
+++ b/pkgs/applications/misc/multisync/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, glib, ORBit2, libbonobo, libtool, pkgconfig
+{ stdenv, fetchurl, gtk2, glib, ORBit2, libbonobo, libtool, pkgconfig
 , libgnomeui, GConf, automake, autoconf }:
 
 stdenv.mkDerivation {
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
   
   buildInputs =
-    [ gtk glib ORBit2 libbonobo libtool pkgconfig libgnomeui GConf
+    [ gtk2 glib ORBit2 libbonobo libtool pkgconfig libgnomeui GConf
       automake autoconf
     ];
     
diff --git a/pkgs/applications/misc/navit/default.nix b/pkgs/applications/misc/navit/default.nix
index 53b1106a223..51b29a5c04c 100644
--- a/pkgs/applications/misc/navit/default.nix
+++ b/pkgs/applications/misc/navit/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, pkgconfig, gtk, SDL, fontconfig, freetype, imlib2, SDL_image, mesa,
+{ stdenv, fetchsvn, pkgconfig, gtk2, SDL, fontconfig, freetype, imlib2, SDL_image, mesa,
 libXmu, freeglut, python, gettext, quesoglc, gd, postgresql, cmake, qt4, SDL_ttf, fribidi}:
 stdenv.mkDerivation rec {
   name = "navit-svn-3537";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  buildInputs = [ gtk SDL fontconfig freetype imlib2 SDL_image mesa
+  buildInputs = [ gtk2 SDL fontconfig freetype imlib2 SDL_image mesa
     libXmu freeglut python gettext quesoglc gd postgresql qt4 SDL_ttf fribidi ];
 
   nativeBuildInputs = [ pkgconfig cmake ];
diff --git a/pkgs/applications/misc/openbox-menu/default.nix b/pkgs/applications/misc/openbox-menu/default.nix
index 9e52c629a24..1985b644884 100644
--- a/pkgs/applications/misc/openbox-menu/default.nix
+++ b/pkgs/applications/misc/openbox-menu/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, gtk, menu-cache }:
+{ stdenv, fetchurl, pkgconfig, glib, gtk2, menu-cache }:
 
 stdenv.mkDerivation rec {
   name = "openbox-menu-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1hi4b6mq97y6ajq4hhsikbkk23aha7ikaahm92djw48mgj2f1w8l";
   };
 
-  buildInputs = [ pkgconfig glib gtk menu-cache ];
+  buildInputs = [ pkgconfig glib gtk2 menu-cache ];
 
   patches = [ ./with-svg.patch ];
 
diff --git a/pkgs/applications/misc/pcmanfm/default.nix b/pkgs/applications/misc/pcmanfm/default.nix
index bf1bed08ed4..e6d96b099fa 100644
--- a/pkgs/applications/misc/pcmanfm/default.nix
+++ b/pkgs/applications/misc/pcmanfm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, gtk, intltool, libfm, libX11, pango, pkgconfig }:
+{ stdenv, fetchurl, glib, gtk2, intltool, libfm, libX11, pango, pkgconfig }:
 
 stdenv.mkDerivation rec {
   name = "pcmanfm-1.2.4";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "04z3vd9si24yi4c8calqncdpb9b6mbj4cs4f3fs86i6j05gvpk9q";
   };
 
-  buildInputs = [ glib gtk intltool libfm libX11 pango pkgconfig ];
+  buildInputs = [ glib gtk2 intltool libfm libX11 pango pkgconfig ];
 
   meta = with stdenv.lib; {
     homepage = "http://blog.lxde.org/?cat=28/";
diff --git a/pkgs/applications/misc/pdfmod/default.nix b/pkgs/applications/misc/pdfmod/default.nix
index 0978da3512b..919935a41ee 100644
--- a/pkgs/applications/misc/pdfmod/default.nix
+++ b/pkgs/applications/misc/pdfmod/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, fetchpatch, pkgconfig, gnome_doc_utils, intltool, lib
-, mono, gtk-sharp, gnome-sharp, hyena
+, mono, gtk-sharp-2_0, gnome-sharp, hyena
 , which, makeWrapper, glib, gnome3, poppler, wrapGAppsHook
 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   }) ];
 
   buildInputs = [
-    pkgconfig gnome_doc_utils intltool mono gtk-sharp gnome-sharp
+    pkgconfig gnome_doc_utils intltool mono gtk-sharp-2_0 gnome-sharp
     hyena which makeWrapper wrapGAppsHook
   ];
 
@@ -31,9 +31,9 @@ stdenv.mkDerivation rec {
   postInstall = ''
     makeWrapper "${mono}/bin/mono" "$out/bin/pdfmod" \
       --add-flags "$out/lib/pdfmod/PdfMod.exe" \
-      --prefix MONO_GAC_PREFIX : ${gtk-sharp} \
+      --prefix MONO_GAC_PREFIX : ${gtk-sharp-2_0} \
       --prefix MONO_GAC_PREFIX : ${gnome-sharp} \
-      --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ glib gnome-sharp gnome3.gconf gtk-sharp gtk-sharp.gtk poppler ]}
+      --prefix LD_LIBRARY_PATH : ${lib.makeLibraryPath [ glib gnome-sharp gnome3.gconf gtk-sharp-2_0 gtk-sharp-2_0.gtk poppler ]}
   '';
 
   dontStrip = true;
diff --git a/pkgs/applications/misc/pmenu/default.nix b/pkgs/applications/misc/pmenu/default.nix
index 4798ae5a024..9b376684284 100644
--- a/pkgs/applications/misc/pmenu/default.nix
+++ b/pkgs/applications/misc/pmenu/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitLab, pythonPackages, gnome }:
+{ stdenv, fetchFromGitLab, pythonPackages, gnome2 }:
 
 stdenv.mkDerivation rec {
   name = "pmenu-${version}";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pythonPackages.wrapPython ];
 
-  buildInputs = [ pythonPackages.pygtk gnome.gnome_menus ];
+  buildInputs = [ pythonPackages.pygtk gnome2.gnome_menus ];
 
   pythonPath = [ pythonPackages.pygtk ];
   
diff --git a/pkgs/applications/misc/tangogps/default.nix b/pkgs/applications/misc/tangogps/default.nix
index 1a42d9a90e6..584b8f6a296 100644
--- a/pkgs/applications/misc/tangogps/default.nix
+++ b/pkgs/applications/misc/tangogps/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, gettext, gtk, gconf
+{ fetchurl, stdenv, pkgconfig, gettext, gtk2, gconf
 , curl, libexif, sqlite, libxml2 }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "15q2kkrv4mfsivfdzjgpxr7s2amw7d501q2ayjl3ff4vmvfn5516";
   };
 
-  buildInputs = [ pkgconfig gettext gtk gconf curl libexif sqlite libxml2 ];
+  buildInputs = [ pkgconfig gettext gtk2 gconf curl libexif sqlite libxml2 ];
 
   # bogus includes fail with newer library version
   postPatch = ''
diff --git a/pkgs/applications/misc/tint2/default.nix b/pkgs/applications/misc/tint2/default.nix
index 40810adbbdc..f72f4fdc567 100644
--- a/pkgs/applications/misc/tint2/default.nix
+++ b/pkgs/applications/misc/tint2/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitLab, pkgconfig, cmake, gettext, cairo, pango, pcre
-, glib , imlib2, gtk, libXinerama , libXrender, libXcomposite, libXdamage
+, glib , imlib2, gtk2, libXinerama , libXrender, libXcomposite, libXdamage
 , libX11 , libXrandr, librsvg, libpthreadstubs , libXdmcp
 , libstartup_notification , hicolor_icon_theme, wrapGAppsHook
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig cmake gettext wrapGAppsHook ];
 
-  buildInputs = [ cairo pango pcre glib imlib2 gtk libXinerama libXrender
+  buildInputs = [ cairo pango pcre glib imlib2 gtk2 libXinerama libXrender
     libXcomposite libXdamage libX11 libXrandr librsvg libpthreadstubs
     libXdmcp libstartup_notification hicolor_icon_theme ];
 
diff --git a/pkgs/applications/misc/viking/default.nix b/pkgs/applications/misc/viking/default.nix
index 50749681f2c..1e7c7f654b5 100644
--- a/pkgs/applications/misc/viking/default.nix
+++ b/pkgs/applications/misc/viking/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, makeWrapper, pkgconfig, intltool, gettext, gtk, expat, curl
+{ fetchurl, stdenv, makeWrapper, pkgconfig, intltool, gettext, gtk2, expat, curl
 , gpsd, bc, file, gnome_doc_utils, libexif, libxml2, libxslt, scrollkeeper
 , docbook_xml_dtd_412, gexiv2, sqlite, gpsbabel, expect }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "09kq0sxs2czps0d6xzgkkp41746v44ip63m72qvfs7rsrnqj7qnz";
   };
 
-  buildInputs = [ makeWrapper pkgconfig intltool gettext gtk expat curl gpsd bc file gnome_doc_utils
+  buildInputs = [ makeWrapper pkgconfig intltool gettext gtk2 expat curl gpsd bc file gnome_doc_utils
     libexif libxml2 libxslt scrollkeeper docbook_xml_dtd_412 gexiv2 sqlite
   ];
 
diff --git a/pkgs/applications/misc/workrave/default.nix b/pkgs/applications/misc/workrave/default.nix
index e9e34518932..8c554da0362 100644
--- a/pkgs/applications/misc/workrave/default.nix
+++ b/pkgs/applications/misc/workrave/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchFromGitHub, fetchpatch
 , autoconf, automake, gettext, intltool, libtool, pkgconfig
 , libICE, libSM, libXScrnSaver, libXtst, cheetah
-, glib, glibmm, gtk, gtkmm, atk, pango, pangomm, cairo, cairomm
+, glib, glibmm, gtkmm2, atk, pango, pangomm, cairo, cairomm
 , dbus, dbus_glib, GConf, gconfmm, gdome2, gstreamer, libsigcxx }:
 
 stdenv.mkDerivation rec {
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   ];
   buildInputs = [
     libICE libSM libXScrnSaver libXtst cheetah
-    glib glibmm gtk gtkmm atk pango pangomm cairo cairomm
+    glib glibmm gtkmm2 atk pango pangomm cairo cairomm
     dbus dbus_glib GConf gconfmm gdome2 gstreamer libsigcxx
   ];
 
diff --git a/pkgs/applications/misc/xautoclick/default.nix b/pkgs/applications/misc/xautoclick/default.nix
index 1a71a2756d1..32daf108c1c 100644
--- a/pkgs/applications/misc/xautoclick/default.nix
+++ b/pkgs/applications/misc/xautoclick/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, xorg, pkgconfig
-, gtkSupport ? true, gtk
+, gtkSupport ? true, gtk2
 , qtSupport ? true, qt4
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0h522f12a7v2b89411xm51iwixmjp2mp90rnizjgiakx9ajnmqnm";
   };
   buildInputs = [ xorg.libX11 xorg.libXtst xorg.xinput xorg.libXi xorg.libXext pkgconfig ]
-    ++ stdenv.lib.optionals gtkSupport [ gtk ]
+    ++ stdenv.lib.optionals gtkSupport [ gtk2 ]
     ++ stdenv.lib.optionals qtSupport [ qt4 ];
   patchPhase = ''
     substituteInPlace configure --replace /usr/X11R6 ${xorg.libX11.dev}
diff --git a/pkgs/applications/misc/xneur/default.nix b/pkgs/applications/misc/xneur/default.nix
index 8e3165b75d2..ca0d7775ece 100644
--- a/pkgs/applications/misc/xneur/default.nix
+++ b/pkgs/applications/misc/xneur/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, xorg, pcre, gstreamer, glib, libxml2
-, aspell, cairo, imlib2, xosd, libnotify, gtk, pango, atk, enchant,
+, aspell, cairo, imlib2, xosd, libnotify, gtk2, pango, atk, enchant,
  gdk_pixbuf}:
 
 let s = import ./src-for-default.nix; in
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs =
     [ xorg.libX11 pkgconfig pcre gstreamer glib libxml2 aspell cairo
       xorg.libXpm imlib2 xosd xorg.libXt xorg.libXext xorg.libXi libnotify
-      gtk pango enchant gdk_pixbuf
+      gtk2 pango enchant gdk_pixbuf
     ];
 
   preConfigure = ''
@@ -23,8 +23,8 @@ stdenv.mkDerivation rec {
     sed -e 's@for imlib2_dir in@for imlib2_dir in ${imlib2} @' -i configure
     sed -e 's@for xosd_dir in@for xosd_dir in ${xosd} @' -i configure
 
-    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${gtk.dev}/include/gtk-2.0"
-    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${gtk.out}/lib/gtk-2.0/include"
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${gtk2.dev}/include/gtk-2.0"
+    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${gtk2.out}/lib/gtk-2.0/include"
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${cairo.dev}/include/cairo"
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${pango.dev}/include/pango-1.0"
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -I${atk.dev}/include/atk-1.0"
diff --git a/pkgs/applications/networking/browsers/chromium/common.nix b/pkgs/applications/networking/browsers/chromium/common.nix
index 8131ad29060..c0e26af4274 100644
--- a/pkgs/applications/networking/browsers/chromium/common.nix
+++ b/pkgs/applications/networking/browsers/chromium/common.nix
@@ -11,7 +11,7 @@
 , nspr, systemd, kerberos
 , utillinux, alsaLib
 , bison, gperf
-, glib, gtk, dbus_glib
+, glib, gtk2, dbus_glib
 , libXScrnSaver, libXcursor, libXtst, mesa
 , protobuf, speechd, libXdamage, cups
 
@@ -116,7 +116,7 @@ let
       nspr nss systemd
       utillinux alsaLib
       bison gperf kerberos
-      glib gtk dbus_glib
+      glib gtk2 dbus_glib
       libXScrnSaver libXcursor libXtst mesa
       pciutils protobuf speechd libXdamage
       pythonPackages.gyp pythonPackages.ply pythonPackages.jinja2
diff --git a/pkgs/applications/networking/browsers/firefox-bin/default.nix b/pkgs/applications/networking/browsers/firefox-bin/default.nix
index d782f4a7b53..23d4da0b5cc 100644
--- a/pkgs/applications/networking/browsers/firefox-bin/default.nix
+++ b/pkgs/applications/networking/browsers/firefox-bin/default.nix
@@ -25,7 +25,7 @@
 , libXinerama
 , libXrender
 , libXt
-, libcanberra
+, libcanberra_gtk2
 , libgnome
 , libgnomeui
 , defaultIconTheme
@@ -98,7 +98,7 @@ stdenv.mkDerivation {
       libXinerama
       libXrender
       libXt
-      libcanberra
+      libcanberra_gtk2
       libgnome
       libgnomeui
       mesa
diff --git a/pkgs/applications/networking/browsers/firefox/default.nix b/pkgs/applications/networking/browsers/firefox/default.nix
index 3e93c560ebb..cd6cbf667f1 100644
--- a/pkgs/applications/networking/browsers/firefox/default.nix
+++ b/pkgs/applications/networking/browsers/firefox/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk, gtk3, pango, perl, python, zip, libIDL
+{ lib, stdenv, fetchurl, pkgconfig, gtk2, gtk3, pango, perl, python, zip, libIDL
 , libjpeg, zlib, dbus, dbus_glib, bzip2, xorg
 , freetype, fontconfig, file, alsaLib, nspr, nss, libnotify
 , yasm, mesa, sqlite, unzip, makeWrapper, pysqlite
@@ -30,7 +30,7 @@ common = { pname, version, sha512 }: stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ pkgconfig gtk perl zip libIDL libjpeg zlib bzip2
+    [ pkgconfig gtk2 perl zip libIDL libjpeg zlib bzip2
       python dbus dbus_glib pango freetype fontconfig xorg.libXi
       xorg.libX11 xorg.libXrender xorg.libXft xorg.libXt file
       alsaLib nspr nss libnotify xorg.pixman yasm mesa
@@ -121,7 +121,8 @@ common = { pname, version, sha512 }: stdenv.mkDerivation rec {
   };
 
   passthru = {
-    inherit gtk nspr version;
+    inherit nspr version;
+    gtk = gtk2;
     isFirefox3Like = true;
     browserName = "firefox";
     ffmpegSupport = lib.versionAtLeast version "46.0";
diff --git a/pkgs/applications/networking/browsers/firefox/wrapper.nix b/pkgs/applications/networking/browsers/firefox/wrapper.nix
index c9adde4f15b..4da73326177 100644
--- a/pkgs/applications/networking/browsers/firefox/wrapper.nix
+++ b/pkgs/applications/networking/browsers/firefox/wrapper.nix
@@ -2,7 +2,7 @@
 
 ## various stuff that can be plugged in
 , gnash, flashplayer, hal-flash
-, MPlayerPlugin, gecko_mediaplayer, ffmpeg, gst_all, xorg, libpulseaudio, libcanberra
+, MPlayerPlugin, gecko_mediaplayer, ffmpeg, gst_all, xorg, libpulseaudio, libcanberra_gtk2
 , supportsJDK, jrePlugin, icedtea_web
 , trezor-bridge, bluejeans, djview4, adobe-reader
 , google_talk_plugin, fribid, gnome3/*.gnome_shell*/
@@ -54,7 +54,7 @@ let
          ++ lib.optional (enableAdobeFlash && (cfg.enableAdobeFlashDRM or false)) hal-flash
          ++ lib.optional (config.pulseaudio or false) libpulseaudio;
   gst-plugins = with gst_all; [ gst-plugins-base gst-plugins-good gst-plugins-bad gst-plugins-ugly gst-ffmpeg ];
-  gtk_modules = [ libcanberra ];
+  gtk_modules = [ libcanberra_gtk2 ];
 
 in
 stdenv.mkDerivation {
diff --git a/pkgs/applications/networking/browsers/google-chrome/default.nix b/pkgs/applications/networking/browsers/google-chrome/default.nix
index 10d50792fac..531c5a7cf3d 100644
--- a/pkgs/applications/networking/browsers/google-chrome/default.nix
+++ b/pkgs/applications/networking/browsers/google-chrome/default.nix
@@ -4,7 +4,7 @@
 , glib, fontconfig, freetype, pango, cairo, libX11, libXi, atk, gconf, nss, nspr
 , libXcursor, libXext, libXfixes, libXrender, libXScrnSaver, libXcomposite
 , alsaLib, libXdamage, libXtst, libXrandr, expat, cups
-, dbus_libs, gtk, gdk_pixbuf, gcc
+, dbus_libs, gtk2, gdk_pixbuf, gcc
 
 # Will crash without.
 , systemd
@@ -44,7 +44,7 @@ let
     glib fontconfig freetype pango cairo libX11 libXi atk gconf nss nspr
     libXcursor libXext libXfixes libXrender libXScrnSaver libXcomposite
     alsaLib libXdamage libXtst libXrandr expat cups
-    dbus_libs gtk gdk_pixbuf gcc
+    dbus_libs gtk2 gdk_pixbuf gcc
     systemd
     libexif
     liberation_ttf curl utillinux xdg_utils wget
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/bluejeans/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/bluejeans/default.nix
index a2e98fb436e..6f8e327a6c3 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/bluejeans/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/bluejeans/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, xorg, gtk, glib, gdk_pixbuf, dpkg, libXext, libXfixes
+{ stdenv, fetchurl, xorg, gtk2, glib, gdk_pixbuf, dpkg, libXext, libXfixes
 , libXrender, libuuid, libXrandr, libXcomposite, libpulseaudio
 }:
 
@@ -7,10 +7,10 @@ with stdenv.lib;
 let
 
   rpathInstaller = makeLibraryPath
-    [gtk glib stdenv.cc.cc];
+    [gtk2 glib stdenv.cc.cc];
 
   rpathPlugin = makeLibraryPath
-    ([ stdenv.cc.cc gtk glib xorg.libX11 gdk_pixbuf libXext libXfixes libXrender libXrandr libXcomposite libpulseaudio ] ++ optional (libuuid != null) libuuid);
+    ([ stdenv.cc.cc gtk2 glib xorg.libX11 gdk_pixbuf libXext libXfixes libXrender libXrandr libXcomposite libpulseaudio ] ++ optional (libuuid != null) libuuid);
 
 in
 
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
index 5ed1636aa65..3b130caf03f 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/flashplayer-11/default.nix
@@ -14,7 +14,7 @@
 , libXcursor
 , libXt
 , libvdpau
-, gtk
+, gtk2
 , glib
 , pango
 , cairo
@@ -118,7 +118,7 @@ stdenv.mkDerivation rec {
 
   rpath = lib.makeLibraryPath
     [ zlib alsaLib curl nspr fontconfig freetype expat libX11
-      libXext libXrender libXcursor libXt gtk glib pango atk cairo gdk_pixbuf
+      libXext libXrender libXcursor libXt gtk2 glib pango atk cairo gdk_pixbuf
       libvdpau nss
     ];
 
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/gmtk/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/gmtk/default.nix
index d149cd40d8c..82a1c271225 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/gmtk/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/gmtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, intltool, pkgconfig, gtk, GConf, alsaLib }:
+{ stdenv, fetchurl, intltool, pkgconfig, gtk2, GConf, alsaLib }:
 
 stdenv.mkDerivation rec {
   name = "gmtk-1.0.9b";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "07y5hd94qhvlk9a9vhrpznqaml013j3rq52r3qxmrj74gg4yf4zc";
   };
 
-  buildInputs = [ intltool pkgconfig gtk GConf alsaLib ];
+  buildInputs = [ intltool pkgconfig gtk2 GConf alsaLib ];
 
   meta = {
     platforms = stdenv.lib.platforms.linux;
diff --git a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix b/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
index 0f549be9ac4..cf51cc26a45 100644
--- a/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
+++ b/pkgs/applications/networking/browsers/mozilla-plugins/google-talk-plugin/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, rpm, cpio, mesa, xorg, cairo
-, libpng, gtk, glib, gdk_pixbuf, fontconfig, freetype, curl
+, libpng, gtk2, glib, gdk_pixbuf, fontconfig, freetype, curl
 , dbus_glib, alsaLib, libpulseaudio, systemd, pango
 }:
 
@@ -16,7 +16,7 @@ let
       xorg.libXrender
       cairo
       libpng
-      gtk
+      gtk2
       glib
       fontconfig
       freetype
@@ -26,7 +26,7 @@ let
   rpathProgram = makeLibraryPath
     [ gdk_pixbuf
       glib
-      gtk
+      gtk2
       xorg.libX11
       xorg.libXcomposite
       xorg.libXfixes
diff --git a/pkgs/applications/networking/browsers/opera/default.nix b/pkgs/applications/networking/browsers/opera/default.nix
index a00905cf937..f1d40150eb3 100644
--- a/pkgs/applications/networking/browsers/opera/default.nix
+++ b/pkgs/applications/networking/browsers/opera/default.nix
@@ -2,7 +2,7 @@
 , freetype, fontconfig, libXft, libXrender, libxcb, expat, libXau, libXdmcp
 , libuuid, cups, xz
 , gstreamer, gst_plugins_base, libxml2
-, gtkSupport ? true, glib, gtk, pango, gdk_pixbuf, cairo, atk
+, gtkSupport ? true, glib, gtk2, pango, gdk_pixbuf, cairo, atk
 , kdeSupport ? false, qt4, kdelibs
 }:
 
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
       libXft freetype fontconfig libXrender libuuid expat
       gstreamer libxml2 gst_plugins_base
     ]
-    ++ stdenv.lib.optionals gtkSupport [ glib gtk pango gdk_pixbuf cairo atk ]
+    ++ stdenv.lib.optionals gtkSupport [ glib gtk2 pango gdk_pixbuf cairo atk ]
     ++ stdenv.lib.optionals kdeSupport [ kdelibs qt4 ];
 
   libPath = stdenv.lib.makeLibraryPath buildInputs
diff --git a/pkgs/applications/networking/browsers/surf/default.nix b/pkgs/applications/networking/browsers/surf/default.nix
index fcaaec63b9e..ae6ce3dd2c3 100644
--- a/pkgs/applications/networking/browsers/surf/default.nix
+++ b/pkgs/applications/networking/browsers/surf/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, makeWrapper, gtk, webkit, pkgconfig, glib, glib_networking, libsoup, gsettings_desktop_schemas, patches ? null}:
+{stdenv, fetchurl, makeWrapper, gtk2, webkit, pkgconfig, glib, glib_networking, libsoup, gsettings_desktop_schemas, patches ? null}:
 
 stdenv.mkDerivation rec {
   name = "surf-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jj93izd8fizxfa6ln9w1h9bwki81sz5dhskh5x1rl34zd38aq4m";
   };
 
-  buildInputs = [ gtk makeWrapper webkit gsettings_desktop_schemas pkgconfig glib libsoup ];
+  buildInputs = [ gtk2 makeWrapper webkit gsettings_desktop_schemas pkgconfig glib libsoup ];
 
   # Allow users set their own list of patches
   inherit patches;
diff --git a/pkgs/applications/networking/browsers/vimb/default.nix b/pkgs/applications/networking/browsers/vimb/default.nix
index ddaaa68f60d..55dfb05cb3e 100644
--- a/pkgs/applications/networking/browsers/vimb/default.nix
+++ b/pkgs/applications/networking/browsers/vimb/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, libsoup, webkit, gtk, glib_networking
+{ stdenv, fetchurl, pkgconfig, libsoup, webkit, gtk2, glib_networking
 , gsettings_desktop_schemas, makeWrapper
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d9rankzgmnx5423pyfkbxy0qxw3ck2vrdjdnlhddy15wkk87i9f";
   };
 
-  buildInputs = [ makeWrapper gtk libsoup pkgconfig webkit gsettings_desktop_schemas ];
+  buildInputs = [ makeWrapper gtk2 libsoup pkgconfig webkit gsettings_desktop_schemas ];
 
   makeFlags = [ "PREFIX=$(out)" ];
 
diff --git a/pkgs/applications/networking/browsers/vimprobable2/default.nix b/pkgs/applications/networking/browsers/vimprobable2/default.nix
index e2d5061b92e..c98910cb08c 100644
--- a/pkgs/applications/networking/browsers/vimprobable2/default.nix
+++ b/pkgs/applications/networking/browsers/vimprobable2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, glib, glib_networking, gtk, libsoup, libX11, perl,
+{ stdenv, fetchurl, makeWrapper, glib, glib_networking, gtk2, libsoup, libX11, perl,
   pkgconfig, webkit, gsettings_desktop_schemas }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "13jdximksh9r3cgd2f8vms0pbsn3x0gxvyqdqiw16xp5fmdx5kzr";
   };
 
-  buildInputs = [ makeWrapper gtk libsoup libX11 perl pkgconfig webkit gsettings_desktop_schemas ];
+  buildInputs = [ makeWrapper gtk2 libsoup libX11 perl pkgconfig webkit gsettings_desktop_schemas ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/networking/browsers/vivaldi/default.nix b/pkgs/applications/networking/browsers/vivaldi/default.nix
index d9f694a7eab..29da56b4d73 100644
--- a/pkgs/applications/networking/browsers/vivaldi/default.nix
+++ b/pkgs/applications/networking/browsers/vivaldi/default.nix
@@ -4,7 +4,7 @@
 , freetype, fontconfig, libXft, libXrender, libxcb, expat, libXau, libXdmcp
 , libuuid, xz
 , gstreamer, gst_plugins_base, libxml2
-, glib, gtk, pango, gdk_pixbuf, cairo, atk, gnome3
+, glib, gtk2, pango, gdk_pixbuf, cairo, atk, gnome3
 , nss, nspr
 , patchelf
 }:
@@ -38,7 +38,7 @@ in stdenv.mkDerivation rec {
   buildInputs =
     [ stdenv.cc.cc stdenv.cc.libc zlib libX11 libXt libXext libSM libICE
       libXi libXft libXcursor libXfixes libXScrnSaver libXcomposite libXdamage libXtst libXrandr
-      atk alsaLib dbus_libs cups gtk gdk_pixbuf libexif ffmpeg systemd
+      atk alsaLib dbus_libs cups gtk2 gdk_pixbuf libexif ffmpeg systemd
       freetype fontconfig libXrender libuuid expat glib nss nspr
       gstreamer libxml2 gst_plugins_base pango cairo gnome3.gconf
       patchelf
diff --git a/pkgs/applications/networking/davmail/default.nix b/pkgs/applications/networking/davmail/default.nix
index eb5d12ed82c..bb4a4a71009 100644
--- a/pkgs/applications/networking/davmail/default.nix
+++ b/pkgs/applications/networking/davmail/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, jre, glib, libXtst, gtk, makeWrapper }:
+{ fetchurl, stdenv, jre, glib, libXtst, gtk2, makeWrapper }:
 
 stdenv.mkDerivation rec {
   name = "davmail-4.7.2";
@@ -20,6 +20,6 @@ stdenv.mkDerivation rec {
   installPhase = ''
   mkdir -p $out/bin
   cp ./* $out/bin/ -R
-  wrapProgram $out/bin/davmail.sh --prefix PATH : ${jre}/bin --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk libXtst ]}
+  wrapProgram $out/bin/davmail.sh --prefix PATH : ${jre}/bin --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk2 libXtst ]}
    '';
 }
diff --git a/pkgs/applications/networking/instant-messengers/discord/default.nix b/pkgs/applications/networking/instant-messengers/discord/default.nix
index 3096d7dea2b..8506b5f138b 100644
--- a/pkgs/applications/networking/instant-messengers/discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/discord/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl
 , alsaLib, atk, cairo, cups, dbus, expat, fontconfig, freetype, gdk_pixbuf
-, glib, gnome, gtk, libnotify, libX11, libXcomposite, libXcursor, libXdamage
+, glib, gnome2, gtk2, libnotify, libX11, libXcomposite, libXcursor, libXdamage
 , libXext, libXfixes, libXi, libXrandr, libXrender, libXtst, nspr, nss, pango
 , systemd, libXScrnSaver }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
     libPath = stdenv.lib.makeLibraryPath [
         stdenv.cc.cc alsaLib atk cairo cups dbus expat fontconfig freetype
-        gdk_pixbuf glib gnome.GConf gtk libnotify libX11 libXcomposite
+        gdk_pixbuf glib gnome2.GConf gtk2 libnotify libX11 libXcomposite
         libXcursor libXdamage libXext libXfixes libXi libXrandr libXrender
         libXtst nspr nss pango systemd libXScrnSaver
      ];
diff --git a/pkgs/applications/networking/instant-messengers/gajim/default.nix b/pkgs/applications/networking/instant-messengers/gajim/default.nix
index 8d9cf434e5d..2952b0a365a 100644
--- a/pkgs/applications/networking/instant-messengers/gajim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/gajim/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, fetchurl, python, intltool, pkgconfig, libX11, gtk
+{ stdenv, fetchurl, python, intltool, pkgconfig, libX11
 , ldns, pythonPackages
 
 , enableJingle ? true, farstream ? null, gst_plugins_bad ? null
 ,                      libnice ? null
 , enableE2E ? true
 , enableRST ? true
-, enableSpelling ? true, gtkspell ? null
+, enableSpelling ? true, gtkspell2 ? null
 , enableNotifications ? false
 , extraPythonPackages ? pkgs: []
 }:
@@ -14,7 +14,7 @@ assert enableJingle -> farstream != null && gst_plugins_bad != null
                     && libnice != null;
 assert enableE2E -> pythonPackages.pycrypto != null;
 assert enableRST -> pythonPackages.docutils != null;
-assert enableSpelling -> gtkspell != null;
+assert enableSpelling -> gtkspell2 != null;
 assert enableNotifications -> pythonPackages.notify != null;
 
 with stdenv.lib;
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
       src/features_window.py
     sed -i -e "s|'drill'|'${ldns}/bin/drill'|" src/common/resolver.py
   '' + optionalString enableSpelling ''
-    sed -i -e 's|=.*find_lib.*|= "${gtkspell}/lib/libgtkspell.so"|'   \
+    sed -i -e 's|=.*find_lib.*|= "${gtkspell2}/lib/libgtkspell.so"|'   \
       src/gtkspell.py
   '';
 
@@ -60,7 +60,7 @@ stdenv.mkDerivation rec {
   ];
 
   propagatedBuildInputs = [
-    pythonPackages.pygobject pythonPackages.pyGtkGlade
+    pythonPackages.pygobject2 pythonPackages.pyGtkGlade
     pythonPackages.sqlite3 pythonPackages.pyasn1
     pythonPackages.pyxdg
     pythonPackages.nbxmpp
diff --git a/pkgs/applications/networking/instant-messengers/oneteam/default.nix b/pkgs/applications/networking/instant-messengers/oneteam/default.nix
index 00650bb685d..3d70990f462 100644
--- a/pkgs/applications/networking/instant-messengers/oneteam/default.nix
+++ b/pkgs/applications/networking/instant-messengers/oneteam/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchFromGitHub
 , perl, xulrunner, cmake, perlPackages, zip, unzip, pkgconfig
-, libpulseaudio, glib, gtk, pixman, nspr, nss, libXScrnSaver
+, libpulseaudio, glib, gtk2, pixman, nspr, nss, libXScrnSaver
 , scrnsaverproto
 }:
 
@@ -17,9 +17,9 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkgconfig cmake zip unzip ];
 
   buildInputs =
-    [ perl xulrunner libpulseaudio glib gtk pixman nspr
+    [ perl xulrunner libpulseaudio glib gtk2 pixman nspr
       nss libXScrnSaver scrnsaverproto
-    ] ++ [ perlPackages.SubName gtk glib ];
+    ] ++ [ perlPackages.SubName gtk2 glib ];
 
   postPatch = ''
     sed -e '1i#include <netinet/in.h>' -i src/rtp/otRTPDecoder.cpp src/rtp/otRTPEncoder.cpp
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
index 245894147dc..4a53513061a 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, pidgin, texLive, imagemagick, glib, gtk }:
+{ stdenv, fetchurl, pkgconfig, pidgin, texLive, imagemagick, glib, gtk2 }:
 
 let version = "1.5.0";
 in
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [pkgconfig];
-  buildInputs = [gtk glib pidgin];
+  buildInputs = [gtk2 glib pidgin];
   makeFlags = "PREFIX=$(out)";
 
   postPatch = ''
diff --git a/pkgs/applications/networking/instant-messengers/pidgin/default.nix b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
index 9123f6b39ed..6ace09bb753 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, pkgconfig, gtk, gtkspell, aspell
+{ stdenv, fetchurl, makeWrapper, pkgconfig, gtk2, gtkspell2, aspell
 , gstreamer, gst_plugins_base, gst_plugins_good, startupnotification, gettext
 , perl, perlXMLParser, libxml2, nss, nspr, farsight2
 , libXScrnSaver, ncurses, avahi, dbus, dbus_glib, intltool, libidn
@@ -26,7 +26,7 @@ let unwrapped = stdenv.mkDerivation rec {
   nativeBuildInputs = [ makeWrapper ];
 
   buildInputs = [
-    gtkspell aspell
+    gtkspell2 aspell
     gstreamer gst_plugins_base gst_plugins_good startupnotification
     libxml2 nss nspr farsight2
     libXScrnSaver ncurses python
@@ -38,7 +38,7 @@ let unwrapped = stdenv.mkDerivation rec {
   ++ (lib.optional (libgcrypt != null) libgcrypt);
 
   propagatedBuildInputs = [
-    pkgconfig gtk perl perlXMLParser gettext
+    pkgconfig gtk2 perl perlXMLParser gettext
   ];
 
   patches = [./pidgin-makefile.patch ./add-search-path.patch ];
diff --git a/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix b/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
index 78814fcb4b2..c035fc62665 100644
--- a/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
+++ b/pkgs/applications/networking/instant-messengers/salut-a-toi/default.nix
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
 
   buildInputs = with pythonPackages; 
     [
-      python twisted urwid beautifulsoup wxPython pygobject
+      python twisted urwid beautifulsoup wxPython pygobject2
       wokkel dbus-python pyfeed wrapPython setuptools
     ];
 
diff --git a/pkgs/applications/networking/instant-messengers/slack/default.nix b/pkgs/applications/networking/instant-messengers/slack/default.nix
index 64911271f5e..8a7d2bbd126 100644
--- a/pkgs/applications/networking/instant-messengers/slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/slack/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, dpkg
-, alsaLib, atk, cairo, cups, dbus, expat, fontconfig, freetype, glib, gnome
+, alsaLib, atk, cairo, cups, dbus, expat, fontconfig, freetype, glib, gnome2
 , libnotify, nspr, nss, systemd, xorg }:
 
 let
@@ -16,10 +16,10 @@ let
     fontconfig
     freetype
     glib
-    gnome.GConf
-    gnome.gdk_pixbuf
-    gnome.gtk
-    gnome.pango
+    gnome2.GConf
+    gnome2.gdk_pixbuf
+    gnome2.gtk
+    gnome2.pango
     libnotify
     nspr
     nss
diff --git a/pkgs/applications/networking/irc/hexchat/default.nix b/pkgs/applications/networking/irc/hexchat/default.nix
index da47ec6580b..bc1d0344490 100644
--- a/pkgs/applications/networking/irc/hexchat/default.nix
+++ b/pkgs/applications/networking/irc/hexchat/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, pkgconfig, gtk, lua, perl, python
-, libtool, pciutils, dbus_glib, libcanberra, libproxy
+{ stdenv, fetchurl, pkgconfig, gtk2, lua, perl, python
+, libtool, pciutils, dbus_glib, libcanberra_gtk2, libproxy
 , libsexy, enchant, libnotify, openssl, intltool
 , desktop_file_utils, hicolor_icon_theme
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    gtk lua perl python pciutils dbus_glib libcanberra libproxy
+    gtk2 lua perl python pciutils dbus_glib libcanberra_gtk2 libproxy
     libsexy libnotify openssl desktop_file_utils hicolor_icon_theme
   ];
 
diff --git a/pkgs/applications/networking/mailreaders/claws-mail/default.nix b/pkgs/applications/networking/mailreaders/claws-mail/default.nix
index 62a58c42cd4..346dba3acd5 100644
--- a/pkgs/applications/networking/mailreaders/claws-mail/default.nix
+++ b/pkgs/applications/networking/mailreaders/claws-mail/default.nix
@@ -1,6 +1,6 @@
 { fetchurl, stdenv, wrapGAppsHook
-, curl, dbus, dbus_glib, enchant, gtk, gnutls, gnupg, gpgme, hicolor_icon_theme
-, libarchive, libcanberra, libetpan, libnotify, libsoup, libxml2, networkmanager
+, curl, dbus, dbus_glib, enchant, gtk2, gnutls, gnupg, gpgme, hicolor_icon_theme
+, libarchive, libcanberra_gtk2, libetpan, libnotify, libsoup, libxml2, networkmanager
 , openldap , perl, pkgconfig, poppler, python, shared_mime_info, webkitgtk2
 , glib_networking, gsettings_desktop_schemas
 
@@ -55,13 +55,13 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs =
-    [ curl dbus dbus_glib gtk gnutls gsettings_desktop_schemas hicolor_icon_theme
+    [ curl dbus dbus_glib gtk2 gnutls gsettings_desktop_schemas hicolor_icon_theme
       libetpan perl pkgconfig python wrapGAppsHook glib_networking
     ]
     ++ optional enableSpellcheck enchant
     ++ optionals (enablePgp || enablePluginSmime) [ gnupg gpgme ]
     ++ optional enablePluginArchive libarchive
-    ++ optional enablePluginNotificationSounds libcanberra
+    ++ optional enablePluginNotificationSounds libcanberra_gtk2
     ++ optional enablePluginNotificationDialogs libnotify
     ++ optional enablePluginFancy libsoup
     ++ optional enablePluginRssyl libxml2
diff --git a/pkgs/applications/networking/mailreaders/sylpheed/default.nix b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
index 65c1001ae78..b1cdd509f98 100644
--- a/pkgs/applications/networking/mailreaders/sylpheed/default.nix
+++ b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk
+{ stdenv, fetchurl, pkgconfig, gtk2
 
 , openssl ? null
 , gpgme ? null
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ pkgconfig gtk ]
+    [ pkgconfig gtk2 ]
     ++ optional sslSupport openssl
     ++ optional gpgSupport gpgme;
 
diff --git a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
index f2b2f6dfa5c..c1bcd9ac541 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird-bin/default.nix
@@ -15,7 +15,7 @@
 , glibc
 , gst_plugins_base
 , gstreamer
-, gtk
+, gtk2
 , kerberos
 , libX11
 , libXScrnSaver
@@ -26,7 +26,7 @@
 , libXinerama
 , libXrender
 , libXt
-, libcanberra
+, libcanberra_gtk2
 , libgnome
 , libgnomeui
 , mesa
@@ -87,7 +87,7 @@ stdenv.mkDerivation {
       glibc
       gst_plugins_base
       gstreamer
-      gtk
+      gtk2
       kerberos
       libX11
       libXScrnSaver
@@ -98,7 +98,7 @@ stdenv.mkDerivation {
       libXinerama
       libXrender
       libXt
-      libcanberra
+      libcanberra_gtk2
       libgnome
       libgnomeui
       mesa
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index b03698f10fa..ded4e66e366 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, which, m4, gtk, pango, perl, python, zip, libIDL
+{ stdenv, fetchurl, pkgconfig, which, m4, gtk2, pango, perl, python, zip, libIDL
 , libjpeg, libpng, zlib, dbus, dbus_glib, bzip2, xorg
 , freetype, fontconfig, file, alsaLib, nspr, nss, libnotify
 , yasm, mesa, sqlite, unzip, makeWrapper, pysqlite
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = # from firefox30Pkgs.xulrunner, without gstreamer and libvpx
-    [ pkgconfig which libpng gtk perl zip libIDL libjpeg zlib bzip2
+    [ pkgconfig which libpng gtk2 perl zip libIDL libjpeg zlib bzip2
       python dbus dbus_glib pango freetype fontconfig xorg.libXi
       xorg.libX11 xorg.libXrender xorg.libXft xorg.libXt file
       alsaLib nspr nss libnotify xorg.pixman yasm mesa
diff --git a/pkgs/applications/networking/newsreaders/pan/default.nix b/pkgs/applications/networking/newsreaders/pan/default.nix
index 9ca5ace2caf..e8885edaa2a 100644
--- a/pkgs/applications/networking/newsreaders/pan/default.nix
+++ b/pkgs/applications/networking/newsreaders/pan/default.nix
@@ -1,9 +1,9 @@
 { spellChecking ? true
-, stdenv, fetchurl, pkgconfig, gtk, gtkspell ? null
+, stdenv, fetchurl, pkgconfig, gtk2, gtkspell2 ? null
 , perl, pcre, gmime, gettext, intltool, dbus_glib, libnotify
 }:
 
-assert spellChecking -> gtkspell != null;
+assert spellChecking -> gtkspell2 != null;
 
 let version = "0.139"; in
 
@@ -15,8 +15,8 @@ stdenv.mkDerivation {
     sha1 = "01ea0361a6d81489888e6abb075fd552999c3c60";
   };
 
-  buildInputs = [ pkgconfig gtk perl gmime gettext intltool dbus_glib libnotify ]
-    ++ stdenv.lib.optional spellChecking gtkspell;
+  buildInputs = [ pkgconfig gtk2 perl gmime gettext intltool dbus_glib libnotify ]
+    ++ stdenv.lib.optional spellChecking gtkspell2;
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/networking/p2p/ldcpp/default.nix b/pkgs/applications/networking/p2p/ldcpp/default.nix
index 53b7b7748b2..b540ffd0967 100644
--- a/pkgs/applications/networking/p2p/ldcpp/default.nix
+++ b/pkgs/applications/networking/p2p/ldcpp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, scons, pkgconfig, gtk, bzip2, libglade, openssl
+{ stdenv, fetchurl, scons, pkgconfig, gtk2, bzip2, libglade, openssl
 , libX11, boost, zlib, libnotify }:
 
 stdenv.mkDerivation rec {
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     url = http://launchpad.net/linuxdcpp/1.1/1.1.0/+download/linuxdcpp-1.1.0.tar.bz2;
     sha256 = "12i92hirmwryl1qy0n3jfrpziwzb82f61xca9jcjwyilx502f0b6";
   };
-  buildInputs = [ scons pkgconfig gtk bzip2 libglade openssl libX11 boost libnotify ];
+  buildInputs = [ scons pkgconfig gtk2 bzip2 libglade openssl libX11 boost libnotify ];
 
   installPhase = ''
     export NIX_LDFLAGS="$NIX_LDFLAGS -lX11";
diff --git a/pkgs/applications/networking/p2p/transgui/default.nix b/pkgs/applications/networking/p2p/transgui/default.nix
index 421fd9afb16..3a6a71843a2 100644
--- a/pkgs/applications/networking/p2p/transgui/default.nix
+++ b/pkgs/applications/networking/p2p/transgui/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchsvn, pkgconfig, makeDesktopItem, unzip, fpc, lazarus,
-libX11, glib, gtk, gdk_pixbuf, pango, atk, cairo, openssl }:
+libX11, glib, gtk2, gdk_pixbuf, pango, atk, cairo, openssl }:
 
 stdenv.mkDerivation rec {
   name = "transgui-5.0.1-svn-r${revision}";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     pkgconfig unzip fpc lazarus stdenv.cc
-    libX11 glib gtk gdk_pixbuf pango atk cairo openssl
+    libX11 glib gtk2 gdk_pixbuf pango atk cairo openssl
   ];
 
   NIX_LDFLAGS = "
diff --git a/pkgs/applications/networking/remote/citrix-receiver/default.nix b/pkgs/applications/networking/remote/citrix-receiver/default.nix
index 4f64e947f09..f8ec7ec01d9 100644
--- a/pkgs/applications/networking/remote/citrix-receiver/default.nix
+++ b/pkgs/applications/networking/remote/citrix-receiver/default.nix
@@ -8,7 +8,7 @@
 , tzdata
 , cacert
 , glib
-, gtk
+, gtk2
 , atk
 , gdk_pixbuf
 , cairo
@@ -56,13 +56,13 @@ stdenv.mkDerivation rec {
     makeWrapper
     busybox
     file
-    gtk
+    gtk2
     gdk_pixbuf
   ];
 
   libPath = stdenv.lib.makeLibraryPath [
     glib
-    gtk
+    gtk2
     atk
     gdk_pixbuf
     cairo
@@ -135,7 +135,7 @@ stdenv.mkDerivation rec {
 
     makeWrapper "$ICAInstDir/wfica -icaroot $ICAInstDir" "$out/bin/wfica" \
       --set ICAROOT "$ICAInstDir" \
-      --set GTK_PATH "${gtk.out}/lib/gtk-2.0:${gnome3.gnome_themes_standard}/lib/gtk-2.0" \
+      --set GTK_PATH "${gtk2.out}/lib/gtk-2.0:${gnome3.gnome_themes_standard}/lib/gtk-2.0" \
       --set GDK_PIXBUF_MODULE_FILE "$GDK_PIXBUF_MODULE_FILE" \
       --set LD_PRELOAD "${libredirect}/lib/libredirect.so" \
       --set LD_LIBRARY_PATH "$libPath" \
diff --git a/pkgs/applications/networking/remote/putty/default.nix b/pkgs/applications/networking/remote/putty/default.nix
index 05019f83353..503632c009b 100644
--- a/pkgs/applications/networking/remote/putty/default.nix
+++ b/pkgs/applications/networking/remote/putty/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ncurses, gtk, pkgconfig, autoconf, automake, perl, halibut, libtool }:
+{ stdenv, fetchurl, ncurses, gtk2, pkgconfig, autoconf, automake, perl, halibut, libtool }:
 
 stdenv.mkDerivation rec {
   version = "0.67";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     cd unix
   '';
 
-  buildInputs = [ gtk ncurses pkgconfig autoconf automake perl halibut libtool ];
+  buildInputs = [ gtk2 ncurses pkgconfig autoconf automake perl halibut libtool ];
 
   meta = with stdenv.lib; {
     description = "A Free Telnet/SSH Client";
diff --git a/pkgs/applications/networking/remote/remmina/default.nix b/pkgs/applications/networking/remote/remmina/default.nix
index 6257c5f95eb..9bc38996107 100644
--- a/pkgs/applications/networking/remote/remmina/default.nix
+++ b/pkgs/applications/networking/remote/remmina/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, cmake, pkgconfig, makeWrapper
-, glib, gtk, gettext, libxkbfile, libgnome_keyring, libX11
+, glib, gtk2, gettext, libxkbfile, libgnome_keyring, libX11
 , freerdp, libssh, libgcrypt, gnutls, makeDesktopItem }:
 
 let
@@ -26,7 +26,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs = [ cmake pkgconfig makeWrapper
-                  glib gtk gettext libxkbfile libgnome_keyring libX11
+                  glib gtk2 gettext libxkbfile libgnome_keyring libX11
                   freerdp libssh libgcrypt gnutls ];
 
   cmakeFlags = "-DWITH_VTE=OFF -DWITH_TELEPATHY=OFF -DWITH_AVAHI=OFF";
diff --git a/pkgs/applications/networking/sniffers/etherape/default.nix b/pkgs/applications/networking/sniffers/etherape/default.nix
index f5104665562..5bc5bafe7db 100644
--- a/pkgs/applications/networking/sniffers/etherape/default.nix
+++ b/pkgs/applications/networking/sniffers/etherape/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, libtool, gtk, libpcap, libglade, libgnome, libgnomeui
+{ stdenv, fetchurl, pkgconfig, libtool, gtk2, libpcap, libglade, libgnome, libgnomeui
 , gnomedocutils, scrollkeeper, libxslt }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--disable-scrollkeeper" ];
   buildInputs = [
-    pkgconfig libtool gtk libpcap libglade libgnome libgnomeui gnomedocutils
+    pkgconfig libtool gtk2 libpcap libglade libgnome libgnomeui gnomedocutils
     scrollkeeper libxslt
   ];
 
diff --git a/pkgs/applications/office/gnucash/2.6.nix b/pkgs/applications/office/gnucash/2.6.nix
index 5c87218e306..ef824f57a35 100644
--- a/pkgs/applications/office/gnucash/2.6.nix
+++ b/pkgs/applications/office/gnucash/2.6.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, libxml2, libxslt, perl, perlPackages, gconf, guile
-, intltool, glib, gtk, libofx, aqbanking, gwenhywfar, libgnomecanvas, goffice
+, intltool, glib, gtk2, libofx, aqbanking, gwenhywfar, libgnomecanvas, goffice
 , webkit, glibcLocales, gsettings_desktop_schemas, makeWrapper, dconf, file
 , gettext, swig, slibGuile, enchant, bzip2, isocodes, libdbi, libdbiDrivers
 , pango, gdk_pixbuf
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     intltool pkgconfig libxml2 libxslt glibcLocales file gettext swig enchant
     bzip2 isocodes
     # glib, gtk...
-    glib gtk goffice webkit
+    glib gtk2 goffice webkit
     # gnome...
     dconf gconf libgnomecanvas gsettings_desktop_schemas
     # financial
@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
   '';
 
   # The following settings fix failures in the test suite. It's not required otherwise.
-  LD_LIBRARY_PATH = stdenv.lib.makeLibraryPath [ guile glib gtk pango gdk_pixbuf ];
+  LD_LIBRARY_PATH = stdenv.lib.makeLibraryPath [ guile glib gtk2 pango gdk_pixbuf ];
   preCheck = "export GNC_DOT_DIR=$PWD/dot-gnucash";
   doCheck = true;
 
diff --git a/pkgs/applications/office/gnucash/default.nix b/pkgs/applications/office/gnucash/default.nix
index 7ef77dc2562..1eedf1f313b 100644
--- a/pkgs/applications/office/gnucash/default.nix
+++ b/pkgs/applications/office/gnucash/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, libxml2, gconf, glib, gtk, libgnomeui, libofx
+{ fetchurl, stdenv, pkgconfig, libxml2, gconf, glib, gtk2, libgnomeui, libofx
 , libgtkhtml, gtkhtml, libgnomeprint, goffice, enchant, gettext, libbonoboui
 , intltool, perl, guile, slibGuile, swig, isocodes, bzip2, makeWrapper, libglade
 , libgsf, libart_lgpl, perlPackages, aqbanking, gwenhywfar
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    pkgconfig libxml2 gconf glib gtk libgnomeui libgtkhtml gtkhtml
+    pkgconfig libxml2 gconf glib gtk2 libgnomeui libgtkhtml gtkhtml
     libgnomeprint goffice enchant gettext intltool perl guile slibGuile
     swig isocodes bzip2 makeWrapper libofx libglade libgsf libart_lgpl
     perlPackages.DateManip perlPackages.FinanceQuote aqbanking gwenhywfar
diff --git a/pkgs/applications/office/libreoffice/default.nix b/pkgs/applications/office/libreoffice/default.nix
index 9cd1389ab0a..88a9a6baf14 100644
--- a/pkgs/applications/office/libreoffice/default.nix
+++ b/pkgs/applications/office/libreoffice/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, pam, python3, libxslt, perl, ArchiveZip
 , CompressZlib, zlib, libjpeg, expat, pkgconfigUpstream, freetype, libwpd
 , libxml2, db, sablotron, curl, fontconfig, libsndfile, neon
-, bison, flex, zip, unzip, gtk3, gtk, libmspack, getopt, file, cairo, which
+, bison, flex, zip, unzip, gtk3, gtk2, libmspack, getopt, file, cairo, which
 , icu, boost, jdk, ant, cups, xorg, libcmis
 , openssl, gperf, cppunit, GConf, ORBit2, poppler
 , librsvg, gnome_vfs, mesa, bsh, CoinMP, libwps, libabw
@@ -242,7 +242,7 @@ in stdenv.mkDerivation rec {
   buildInputs = with xorg;
     [ ant ArchiveZip autoconf automake bison boost cairo clucene_core
       CompressZlib cppunit cups curl db dbus_glib expat file flex fontconfig
-      freetype GConf getopt gnome_vfs gperf gtk3 gtk
+      freetype GConf getopt gnome_vfs gperf gtk3 gtk2
       hunspell icu jdk lcms libcdr libexttextcat unixODBC libjpeg
       libmspack librdf_redland librsvg libsndfile libvisio libwpd libwpg libX11
       libXaw libXext libXi libXinerama libxml2 libxslt libXtst
diff --git a/pkgs/applications/office/libreoffice/still.nix b/pkgs/applications/office/libreoffice/still.nix
index 681870ac4ca..2b3d4ad2ec6 100644
--- a/pkgs/applications/office/libreoffice/still.nix
+++ b/pkgs/applications/office/libreoffice/still.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, pam, python3, libxslt, perl, ArchiveZip
 , CompressZlib, zlib, libjpeg, expat, pkgconfigUpstream, freetype, libwpd
 , libxml2, db, sablotron, curl, fontconfig, libsndfile, neon
-, bison, flex, zip, unzip, gtk3, gtk, libmspack, getopt, file, cairo, which
+, bison, flex, zip, unzip, gtk3, gtk2, libmspack, getopt, file, cairo, which
 , icu, boost, jdk, ant, cups, xorg, libcmis
 , openssl, gperf, cppunit, GConf, ORBit2, poppler
 , librsvg, gnome_vfs, mesa, bsh, CoinMP, libwps, libabw
@@ -246,7 +246,7 @@ in stdenv.mkDerivation rec {
   buildInputs = with xorg;
     [ ant ArchiveZip autoconf automake bison boost cairo clucene_core
       CompressZlib cppunit cups curl db dbus_glib expat file flex fontconfig
-      freetype GConf getopt gnome_vfs gperf gtk3 gtk
+      freetype GConf getopt gnome_vfs gperf gtk3 gtk2
       hunspell icu jdk lcms libcdr libexttextcat unixODBC libjpeg
       libmspack librdf_redland librsvg libsndfile libvisio libwpd libwpg libX11
       libXaw libXext libXi libXinerama libxml2 libxslt libXtst
diff --git a/pkgs/applications/office/osmo/default.nix b/pkgs/applications/office/osmo/default.nix
index 6da3bf6df83..3209ae0a9c9 100644
--- a/pkgs/applications/office/osmo/default.nix
+++ b/pkgs/applications/office/osmo/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libxml2, gettext, libical, libnotify
-, libarchive, gtkspell, webkitgtk2, libgringotts }:
+{ stdenv, fetchurl, pkgconfig, gtk2, libxml2, gettext, libical, libnotify
+, libarchive, gtkspell2, webkitgtk2, libgringotts }:
 
 stdenv.mkDerivation rec {
   name = "osmo-${version}";
@@ -10,8 +10,8 @@ stdenv.mkDerivation rec {
     sha256 = "0vaayrmyiqn010gr11drmhkkg8fkxdmla3gwj9v3zvp5x44kab05";
   };
 
-  buildInputs = [ pkgconfig gtk libxml2 gettext libical libnotify libarchive
-    gtkspell webkitgtk2 libgringotts ];
+  buildInputs = [ pkgconfig gtk2 libxml2 gettext libical libnotify libarchive
+    gtkspell2 webkitgtk2 libgringotts ];
 
   meta = with stdenv.lib; {
     description = "A handy personal organizer";
diff --git a/pkgs/applications/office/planner/default.nix b/pkgs/applications/office/planner/default.nix
index 9222ed5757c..e7fd9450029 100644
--- a/pkgs/applications/office/planner/default.nix
+++ b/pkgs/applications/office/planner/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl
 , pkgconfig
 , intltool
-, gnome
+, gnome2
 , libxslt
 , python
 }:
@@ -20,15 +20,17 @@ in stdenv.mkDerivation {
     sha256 = "15h6ps58giy5r1g66sg1l4xzhjssl362mfny2x09khdqsvk2j38k";
   };
 
-  buildInputs = [
+  buildInputs = with gnome2; [
     pkgconfig
     intltool
-    gnome.GConf
-    gnome.gtk
-    gnome.libgnomecanvas
-    gnome.libgnomeui
-    gnome.libglade
-    gnome.scrollkeeper
+
+    GConf
+    gtk
+    libgnomecanvas
+    libgnomeui
+    libglade
+    scrollkeeper
+
     libxslt
     python
   ];
diff --git a/pkgs/applications/office/zim/default.nix b/pkgs/applications/office/zim/default.nix
index 9014e388468..6f2cb29e436 100644
--- a/pkgs/applications/office/zim/default.nix
+++ b/pkgs/applications/office/zim/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, buildPythonApplication, pythonPackages, pygtk, pygobject, python }:
+{ stdenv, lib, fetchurl, buildPythonApplication, pythonPackages, pygtk, pygobject2, python }:
 
 #
 # TODO: Declare configuration options for the following optional dependencies:
@@ -17,7 +17,7 @@ buildPythonApplication rec {
     sha256 = "15pdq4fxag85qjsrdmmssiq85qsk5vnbp8mrqnpvx8lm8crz6hjl";
   };
 
-  propagatedBuildInputs = [ pythonPackages.sqlite3 pygtk pythonPackages.pyxdg pygobject ];
+  propagatedBuildInputs = [ pythonPackages.sqlite3 pygtk pythonPackages.pyxdg pygobject2 ];
 
   preBuild = ''
     export HOME=$TMP
diff --git a/pkgs/applications/science/electronics/geda/default.nix b/pkgs/applications/science/electronics/geda/default.nix
index 25934c71e8e..b8406c3255c 100644
--- a/pkgs/applications/science/electronics/geda/default.nix
+++ b/pkgs/applications/science/electronics/geda/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, guile, gtk, flex, gawk, perl }:
+{ stdenv, fetchurl, pkgconfig, guile, gtk2, flex, gawk, perl }:
 
 stdenv.mkDerivation rec {
   name = "geda-${version}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   configureFlags = "--disable-update-xdg-database";
-  buildInputs = [ pkgconfig guile gtk flex gawk perl ];
+  buildInputs = [ pkgconfig guile gtk2 flex gawk perl ];
 
   meta = with stdenv.lib; {
     description = "Full GPL'd suite of Electronic Design Automation tools";
diff --git a/pkgs/applications/science/electronics/gerbv/default.nix b/pkgs/applications/science/electronics/gerbv/default.nix
index 92d0ceba1cf..7cdcbb7fd19 100644
--- a/pkgs/applications/science/electronics/gerbv/default.nix
+++ b/pkgs/applications/science/electronics/gerbv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchgit, pkgconfig, gettext, libtool, automake, autoconf, cairo, gtk, autoreconfHook }:
+{ stdenv, fetchgit, pkgconfig, gettext, libtool, automake, autoconf, cairo, gtk2, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "gerbv-${version}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "00jn1xhf6kblxc5gac1wvk8zm12fy6sk81nj3jwdag0z6wk3z446";
   };
 
-  buildInputs = [ pkgconfig gettext libtool automake autoconf cairo gtk autoreconfHook ];
+  buildInputs = [ pkgconfig gettext libtool automake autoconf cairo gtk2 autoreconfHook ];
 
   configureFlags = ["--disable-update-desktop-database"];
 
diff --git a/pkgs/applications/science/electronics/gtkwave/default.nix b/pkgs/applications/science/electronics/gtkwave/default.nix
index 32d39d8a609..657d20553b7 100644
--- a/pkgs/applications/science/electronics/gtkwave/default.nix
+++ b/pkgs/applications/science/electronics/gtkwave/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, gperf, pkgconfig, bzip2, tcl, tk, judy, xz}:
+{stdenv, fetchurl, gtk2, gperf, pkgconfig, bzip2, tcl, tk, judy, xz}:
 stdenv.mkDerivation rec {
   name = "gtkwave-3.3.70";
 
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "1akzf1sq8mwarrbrbz5chrvgwlsp444h5za8rg1dfyqk733s7piz";
   };
 
-  buildInputs = [ gtk gperf pkgconfig bzip2 tcl tk judy xz ];
+  buildInputs = [ gtk2 gperf pkgconfig bzip2 tcl tk judy xz ];
 
   configureFlags = [ "--with-tcl=${tcl}/lib" "--with-tk=${tk}/lib" "--enable-judy" ];
 
diff --git a/pkgs/applications/science/electronics/pcb/default.nix b/pkgs/applications/science/electronics/pcb/default.nix
index 257d6993ff5..1f510943400 100644
--- a/pkgs/applications/science/electronics/pcb/default.nix
+++ b/pkgs/applications/science/electronics/pcb/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, bison, intltool, flex, netpbm, imagemagick, dbus, xlibsWrapper, mesa, shared_mime_info, tcl, tk, gnome, pangox_compat, gd, xorg }:
+{ stdenv, fetchurl, pkgconfig, gtk2, bison, intltool, flex, netpbm, imagemagick, dbus, xlibsWrapper, mesa, shared_mime_info, tcl, tk, gnome2, pangox_compat, gd, xorg }:
 
 stdenv.mkDerivation rec {
   name = "pcb-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l6944hq79qsyp60i5ai02xwyp8l47q7xdm3js0jfkpf72ag7i42";
   };
 
-  buildInputs = [ pkgconfig gtk bison intltool flex netpbm imagemagick dbus xlibsWrapper mesa tcl shared_mime_info tk gnome.gtkglext pangox_compat gd xorg.libXmu ];
+  buildInputs = [ pkgconfig gtk2 bison intltool flex netpbm imagemagick dbus xlibsWrapper mesa tcl shared_mime_info tk gnome2.gtkglext pangox_compat gd xorg.libXmu ];
 
   configureFlags = ["--disable-update-desktop-database"];
 
diff --git a/pkgs/applications/science/electronics/xoscope/default.nix b/pkgs/applications/science/electronics/xoscope/default.nix
index df7d053d93b..f26b13c5e32 100644
--- a/pkgs/applications/science/electronics/xoscope/default.nix
+++ b/pkgs/applications/science/electronics/xoscope/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, pkgconfig}:
+{stdenv, fetchurl, gtk2, pkgconfig}:
 
 stdenv.mkDerivation rec {
   name = "xoscope-2.0";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "00xlvvqyw6l1ljbsx1vgx2v1jfh0xacz1a0yhq1dj6yxf5wh58x8";
   };
 
-  buildInputs = [ gtk pkgconfig ];
+  buildInputs = [ gtk2 pkgconfig ];
 
   # from: https://aur.archlinux.org/packages.php?ID=12140&detail=1
   patches = [ ./gtkdepre.diff ];
diff --git a/pkgs/applications/science/geometry/drgeo/default.nix b/pkgs/applications/science/geometry/drgeo/default.nix
index 3e5408ac7f5..8db1beedebb 100644
--- a/pkgs/applications/science/geometry/drgeo/default.nix
+++ b/pkgs/applications/science/geometry/drgeo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libglade, gtk, guile, libxml2, perl
+{ stdenv, fetchurl, libglade, gtk2, guile, libxml2, perl
 , intltool, libtool, pkgconfig }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
   patches = [ ./struct.patch ];
 
-  buildInputs = [libglade gtk guile libxml2
+  buildInputs = [libglade gtk2 guile libxml2
     perl intltool libtool pkgconfig];
 
   prebuild = ''
diff --git a/pkgs/applications/science/logic/verifast/default.nix b/pkgs/applications/science/logic/verifast/default.nix
index d7c593b736e..ada586fc4e6 100644
--- a/pkgs/applications/science/logic/verifast/default.nix
+++ b/pkgs/applications/science/logic/verifast/default.nix
@@ -1,11 +1,11 @@
-{ stdenv, fetchurl, gtk, gdk_pixbuf, atk, pango, glib, cairo, freetype
+{ stdenv, fetchurl, gtk2, gdk_pixbuf, atk, pango, glib, cairo, freetype
 , fontconfig, libxml2, gnome2 }:
 
 assert stdenv.isLinux;
 
 let
   libPath = stdenv.lib.makeLibraryPath
-    [ stdenv.cc.libc stdenv.cc.cc gtk gdk_pixbuf atk pango glib cairo
+    [ stdenv.cc.libc stdenv.cc.cc gtk2 gdk_pixbuf atk pango glib cairo
       freetype fontconfig libxml2 gnome2.gtksourceview
     ] + ":${stdenv.cc.cc.lib}/lib64";
 
diff --git a/pkgs/applications/science/math/pssp/default.nix b/pkgs/applications/science/math/pssp/default.nix
index 6ced805b311..e74e17fa44f 100644
--- a/pkgs/applications/science/math/pssp/default.nix
+++ b/pkgs/applications/science/math/pssp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, libxml2, readline, zlib, perl, cairo, gtk, gsl
+{ stdenv, fetchurl, libxml2, readline, zlib, perl, cairo, gtk2, gsl
 , pkgconfig, gtksourceview, pango, gettext, libglade
 }:
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0vri2pzvmm38qaihfvwlry30f40lcnps4blg59ixic4q20ldxf5d";
   };
 
-  buildInputs = [ libxml2 readline zlib perl cairo gtk gsl pkgconfig
+  buildInputs = [ libxml2 readline zlib perl cairo gtk2 gsl pkgconfig
     gtksourceview pango gettext libglade ];
 
   doCheck = false;
diff --git a/pkgs/applications/science/math/scilab/default.nix b/pkgs/applications/science/math/scilab/default.nix
index 8482bd6fe94..89670e66641 100644
--- a/pkgs/applications/science/math/scilab/default.nix
+++ b/pkgs/applications/science/math/scilab/default.nix
@@ -3,7 +3,7 @@
 , Xaw3d, withXaw3d ? false
 #, withPVMlib ? false
 , tcl, tk, withTk ? false
-, gtk, withGtk ? false # working ?
+, gtk2, withGtk ? false # working ?
 #, withF2c ? false
 , ocaml, withOCaml ? false
 #, withJava ? false
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [gfortran ncurses]
-  ++ lib.optionals withGtk [gtk]
+  ++ lib.optionals withGtk [gtk2]
   ++ lib.optionals withOCaml [ocaml]
   ++ lib.optional withX xlibsWrapper
   ;
diff --git a/pkgs/applications/science/misc/boinc/default.nix b/pkgs/applications/science/misc/boinc/default.nix
index d45f4a2b210..53ea9ce7212 100644
--- a/pkgs/applications/science/misc/boinc/default.nix
+++ b/pkgs/applications/science/misc/boinc/default.nix
@@ -1,6 +1,6 @@
 { fetchFromGitHub, stdenv, autoconf, automake, pkgconfig, m4, curl,
 mesa, libXmu, libXi, freeglut, libjpeg, libtool, wxGTK, xcbutil,
-sqlite, gtk, patchelf, libXScrnSaver, libnotify, libX11, libxcb }:
+sqlite, gtk2, patchelf, libXScrnSaver, libnotify, libX11, libxcb }:
 
 stdenv.mkDerivation rec {
   version = "7.4.42";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ libtool automake autoconf m4 pkgconfig curl mesa libXmu libXi
-    freeglut libjpeg wxGTK sqlite gtk libXScrnSaver libnotify patchelf libX11 
+    freeglut libjpeg wxGTK sqlite gtk2 libXScrnSaver libnotify patchelf libX11
     libxcb xcbutil
   ];
 
diff --git a/pkgs/applications/science/misc/openmodelica/default.nix b/pkgs/applications/science/misc/openmodelica/default.nix
index fd39f61c863..8d673a15fa8 100644
--- a/pkgs/applications/science/misc/openmodelica/default.nix
+++ b/pkgs/applications/science/misc/openmodelica/default.nix
@@ -1,7 +1,7 @@
 {stdenv, fetchgit, fetchsvn, autoconf, automake, libtool, gfortran, clang, cmake, gnumake,
 hwloc, jre, liblapack, blas, hdf5, expat, ncurses, readline, qt4, webkit, which,
 lp_solve, omniorb, sqlite, libatomic_ops, pkgconfig, file, gettext, flex, bison,
-doxygen, boost, openscenegraph, gnome, pangox_compat, xorg, git, bash, gtk, makeWrapper }:
+doxygen, boost, openscenegraph, gnome2, pangox_compat, xorg, git, bash, gtk2, makeWrapper }:
 
 let
 
@@ -17,8 +17,8 @@ stdenv.mkDerivation {
   buildInputs = [autoconf cmake automake libtool gfortran clang gnumake
     hwloc jre liblapack blas hdf5 expat ncurses readline qt4 webkit which
     lp_solve omniorb sqlite libatomic_ops pkgconfig file gettext flex bison
-    doxygen boost openscenegraph gnome.gtkglext pangox_compat xorg.libXmu
-    git gtk makeWrapper];
+    doxygen boost openscenegraph gnome2.gtkglext pangox_compat xorg.libXmu
+    git gtk2 makeWrapper];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/applications/version-management/rabbitvcs/default.nix b/pkgs/applications/version-management/rabbitvcs/default.nix
index 212151b6c4a..01929655081 100644
--- a/pkgs/applications/version-management/rabbitvcs/default.nix
+++ b/pkgs/applications/version-management/rabbitvcs/default.nix
@@ -11,7 +11,7 @@ python2Packages.buildPythonApplication rec {
     sha256 = "0964pdylrx4n9c9l8ncwv4q1p63y4hadb5v4pgvm0m2fah2jlkly";
   };
 
-  pythonPath = with python2Packages; [ configobj dbus-python pygobject pygtk simplejson pysvn dulwich tkinter gvfs xdg_utils ];
+  pythonPath = with python2Packages; [ configobj dbus-python pygobject2 pygtk simplejson pysvn dulwich tkinter gvfs xdg_utils ];
 
   prePatch = ''
       sed -ie 's|if sys\.argv\[1\] == "install":|if False:|' ./setup.py
diff --git a/pkgs/applications/version-management/smartgithg/default.nix b/pkgs/applications/version-management/smartgithg/default.nix
index 51d70156e9c..485e8cc6c21 100644
--- a/pkgs/applications/version-management/smartgithg/default.nix
+++ b/pkgs/applications/version-management/smartgithg/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, lib, makeWrapper
 , jre
-, gtk, glib
+, gtk2, glib
 , libXtst
 , git, mercurial, subversion
 , which
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
       which
     ];
     runtime_lib_paths = lib.makeLibraryPath [
-      gtk glib
+      gtk2 glib
       libXtst
     ];
   in ''
diff --git a/pkgs/applications/video/coriander/default.nix b/pkgs/applications/video/coriander/default.nix
index e3c28853403..6eb9e94e969 100644
--- a/pkgs/applications/video/coriander/default.nix
+++ b/pkgs/applications/video/coriander/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, glib, gtk, libgnomeui, libXv, libraw1394, libdc1394
+{stdenv, fetchurl, pkgconfig, glib, gtk2, libgnomeui, libXv, libraw1394, libdc1394
 , SDL, automake, GConf }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     cp ${automake}/share/automake-*/mkinstalldirs .
   '';
 
-  buildInputs = [ pkgconfig glib gtk libgnomeui libXv libraw1394 libdc1394 SDL GConf ];
+  buildInputs = [ pkgconfig glib gtk2 libgnomeui libXv libraw1394 libdc1394 SDL GConf ];
   
   meta = {
     homepage = http://damien.douxchamps.net/ieee1394/coriander/;
diff --git a/pkgs/applications/video/gnash/default.nix b/pkgs/applications/video/gnash/default.nix
index 0200b0c70f4..cf17b66ef48 100644
--- a/pkgs/applications/video/gnash/default.nix
+++ b/pkgs/applications/video/gnash/default.nix
@@ -3,7 +3,7 @@
 , gst_ffmpeg, speex
 , libogg, libxml2, libjpeg, mesa, libpng, libungif, libtool
 , boost, freetype, agg, dbus, curl, pkgconfig, gettext
-, glib, gtk, gtkglext, pangox_compat, xlibsWrapper, ming, dejagnu, python, perl
+, glib, gtk2, gtkglext, pangox_compat, xlibsWrapper, ming, dejagnu, python, perl
 , freefont_ttf, haxe, swftools
 , lib, makeWrapper
 , xulrunner }:
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
     gettext xlibsWrapper SDL SDL_mixer gstreamer gst_plugins_base gst_plugins_good
     gst_ffmpeg speex libtool
     libogg libxml2 libjpeg mesa libpng libungif boost freetype agg
-    dbus curl pkgconfig glib gtk gtkglext pangox_compat
+    dbus curl pkgconfig glib gtk2 gtkglext pangox_compat
     xulrunner
     makeWrapper
   ]
diff --git a/pkgs/applications/video/gnome-mplayer/default.nix b/pkgs/applications/video/gnome-mplayer/default.nix
index 7c1d13fd79d..1096a64887b 100644
--- a/pkgs/applications/video/gnome-mplayer/default.nix
+++ b/pkgs/applications/video/gnome-mplayer/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, glib, gtk, dbus, dbus_glib, GConf}:
+{stdenv, fetchurl, pkgconfig, glib, gtk2, dbus, dbus_glib, GConf}:
 
 stdenv.mkDerivation rec {
   name = "gnome-mplayer-1.0.4";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1k5yplsvddcm7xza5h4nfb6vibzjcqsk8gzis890alizk07f5xp2";
   };
 
-  buildInputs = [pkgconfig glib gtk dbus dbus_glib GConf];
+  buildInputs = [pkgconfig glib gtk2 dbus dbus_glib GConf];
   
   meta = {
     homepage = http://kdekorte.googlepages.com/gnomemplayer;
diff --git a/pkgs/applications/video/kazam/default.nix b/pkgs/applications/video/kazam/default.nix
index 9113ff75bfd..8653305f908 100644
--- a/pkgs/applications/video/kazam/default.nix
+++ b/pkgs/applications/video/kazam/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, python3Packages, gst_all_1, makeWrapper, gobjectIntrospection
-, gtk3, libwnck3, keybinder, intltool, libcanberra }:
+, gtk3, libwnck3, keybinder, intltool, libcanberra_gtk2 }:
 
 
 python3Packages.buildPythonApplication rec {
@@ -25,7 +25,7 @@ python3Packages.buildPythonApplication rec {
   patches = [ ./datadir.patch ./bug_1190693.patch ];
   prePatch = ''
     rm setup.cfg
-    substituteInPlace kazam/backend/grabber.py --replace "/usr/bin/canberra-gtk-play" "${libcanberra}/bin/canberra-gtk-play"
+    substituteInPlace kazam/backend/grabber.py --replace "/usr/bin/canberra-gtk-play" "${libcanberra_gtk2}/bin/canberra-gtk-play"
   '';
 
   # no tests
diff --git a/pkgs/applications/video/key-mon/default.nix b/pkgs/applications/video/key-mon/default.nix
index 12fc7151cd0..a579b21a1de 100644
--- a/pkgs/applications/video/key-mon/default.nix
+++ b/pkgs/applications/video/key-mon/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, buildPythonApplication, gnome, librsvg, pygtk, pythonPackages }:
+{ stdenv, fetchurl, buildPythonApplication, gnome2, librsvg, pygtk, pythonPackages }:
 
 buildPythonApplication rec {
   name = "key-mon-${version}";
@@ -11,7 +11,7 @@ buildPythonApplication rec {
   };
 
   propagatedBuildInputs =
-    [ gnome.python_rsvg librsvg pygtk pythonPackages.xlib ];
+    [ gnome2.python_rsvg librsvg pygtk pythonPackages.xlib ];
 
   doCheck = false;
 
diff --git a/pkgs/applications/video/kino/default.nix b/pkgs/applications/video/kino/default.nix
index ea515827087..3d2bf1f1a4f 100644
--- a/pkgs/applications/video/kino/default.nix
+++ b/pkgs/applications/video/kino/default.nix
@@ -50,7 +50,7 @@
 #AMR-WB float support      no
 #AMR-WB IF2 support        no
 
-{ stdenv, fetchurl, gtk, libglade, libxml2, libraw1394, libsamplerate, libdv
+{ stdenv, fetchurl, gtk2, libglade, libxml2, libraw1394, libsamplerate, libdv
 , pkgconfig, perl, perlXMLParser, libavc1394, libiec61883, libXv, gettext
 , libX11, glib, cairo, intltool, ffmpeg, libv4l
 }:
@@ -63,7 +63,7 @@ stdenv.mkDerivation {
     sha256 = "020s05k0ma83rq2kfs8x474pqicaqp9spar81qc816ddfrnh8k8i";
   };
 
-  buildInputs = [ gtk libglade libxml2 libraw1394 libsamplerate libdv 
+  buildInputs = [ gtk2 libglade libxml2 libraw1394 libsamplerate libdv
       pkgconfig perl perlXMLParser libavc1394 libiec61883 intltool libXv gettext libX11 glib cairo ffmpeg libv4l ]; # TODOoptional packages 
 
   configureFlags = "--enable-local-ffmpeg=no";
diff --git a/pkgs/applications/video/miro/default.nix b/pkgs/applications/video/miro/default.nix
index 2a45c1a9eb2..9e08f2fffb1 100644
--- a/pkgs/applications/video/miro/default.nix
+++ b/pkgs/applications/video/miro/default.nix
@@ -69,13 +69,13 @@ in buildPythonApplication rec {
       --prefix XDG_DATA_DIRS : "$GSETTINGS_SCHEMAS_PATH:$out/share"
   '';
 
-  buildInputs = with pythonPackages; [ pygtk pygobject ] ++ [
+  buildInputs = with pythonPackages; [ pygtk pygobject2 ] ++ [
     pkgconfig pyrex096 ffmpeg boost glib gtk2 webkitgtk2 libsoup
     taglib gsettings_desktop_schemas sqlite
   ];
 
   propagatedBuildInputs = with pythonPackages; [
-    pygobject pygtk pycurl sqlite3 mutagen pycairo dbus-python
+    pygobject2 pygtk pycurl sqlite3 mutagen pycairo dbus-python
     pywebkitgtk] ++ [ libtorrentRasterbar
     gst_python gst_plugins_base gst_plugins_good gst_ffmpeg
   ] ++ optional enableBonjour avahi;
diff --git a/pkgs/applications/video/mkcast/default.nix b/pkgs/applications/video/mkcast/default.nix
index a0605bb7128..2c5d3d365c1 100644
--- a/pkgs/applications/video/mkcast/default.nix
+++ b/pkgs/applications/video/mkcast/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, wmctrl, pythonPackages, byzanz
-, xdpyinfo, makeWrapper, gtk, xorg, gnome3 }:
+, xdpyinfo, makeWrapper, gtk2, xorg, gnome3 }:
 
 stdenv.mkDerivation rec {
   name = "mkcast-2015-03-13";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "15wp3n3z8gw7kjdxs4ahda17n844awhxsqbql5ipsdhqfxah2d8p";
   };
 
-  buildInputs = with pythonPackages; [ makeWrapper pygtk gtk xlib ];
+  buildInputs = with pythonPackages; [ makeWrapper pygtk gtk2 xlib ];
 
   makeFlags = [ "PREFIX=$(out)" ];
 
diff --git a/pkgs/applications/video/xvidcap/default.nix b/pkgs/applications/video/xvidcap/default.nix
index 527d31004b0..c8414bbb83a 100644
--- a/pkgs/applications/video/xvidcap/default.nix
+++ b/pkgs/applications/video/xvidcap/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, perl, perlXMLParser, pkgconfig, gtk
+{ stdenv, fetchurl, perl, perlXMLParser, pkgconfig, gtk2
 , scrollkeeper, libglade, libXmu, libX11, libXext, gettext
 , lame, libXfixes, libXdamage }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   patches = [ ./xlib.patch ];
   buildInputs = [
-    perl perlXMLParser pkgconfig gtk scrollkeeper
+    perl perlXMLParser pkgconfig gtk2 scrollkeeper
     libglade libXmu gettext lame libXdamage libXfixes libXext libX11
   ];
 
diff --git a/pkgs/applications/virtualization/bochs/default.nix b/pkgs/applications/virtualization/bochs/default.nix
index 8c420b11f55..dfd92685579 100644
--- a/pkgs/applications/virtualization/bochs/default.nix
+++ b/pkgs/applications/virtualization/bochs/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, config
 , pkgconfig, libtool
-, gtk, mesa, readline, libX11, libXpm
+, gtk2, mesa, readline, libX11, libXpm
 , docbook_xml_dtd_45, docbook_xsl
 , sdlSupport ? true, SDL2 ? null
 , termSupport ? true , ncurses ? null
@@ -12,7 +12,7 @@
 
 assert sdlSupport -> (SDL2 != null);
 assert termSupport -> (ncurses != null);
-assert wxSupport -> (gtk != null && wxGTK != null);
+assert wxSupport -> (gtk2 != null && wxGTK != null);
 assert wgetSupport -> (wget != null);
 assert curlSupport -> (curl != null);
 
@@ -69,7 +69,7 @@ stdenv.mkDerivation rec {
   busMouse = config.bochs.busMouse or false;
 
   buildInputs = with stdenv.lib;
-  [ pkgconfig libtool gtk mesa readline libX11 libXpm docbook_xml_dtd_45 docbook_xsl ]
+  [ pkgconfig libtool gtk2 mesa readline libX11 libXpm docbook_xml_dtd_45 docbook_xsl ]
   ++ optionals termSupport [ ncurses ]
   ++ optionals sdlSupport [ SDL2 ]
   ++ optionals wxSupport [ wxGTK ]
@@ -143,7 +143,7 @@ stdenv.mkDerivation rec {
     ++ stdenv.lib.optional busMouse "--enable-busmouse"
     ;
 
-  NIX_CFLAGS_COMPILE="-I${gtk.dev}/include/gtk-2.0/ -I${libtool}/include/";
+  NIX_CFLAGS_COMPILE="-I${gtk2.dev}/include/gtk-2.0/ -I${libtool}/include/";
   NIX_LDFLAGS="-L${libtool.lib}/lib";
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/window-managers/compiz/default.nix b/pkgs/applications/window-managers/compiz/default.nix
index 46b8c8affc7..b641a571b24 100644
--- a/pkgs/applications/window-managers/compiz/default.nix
+++ b/pkgs/applications/window-managers/compiz/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, cmake, pkgconfig
-, libXrender, renderproto, gtk, libwnck, pango, cairo
+, libXrender, renderproto, gtk2, libwnck, pango, cairo
 , GConf, libXdamage, damageproto, libxml2, libxslt, glibmm
 , metacity
 , libstartup_notification, libpthreadstubs, libxcb, intltool
@@ -24,7 +24,7 @@ let
     sha256="00m73im5kdpbfjg9ryzxnab5qvx5j51gxwr3wzimkrcbax6vb3ph";
   };
   buildInputs = [cmake pkgconfig
-    libXrender renderproto gtk libwnck pango cairo
+    libXrender renderproto gtk2 libwnck pango cairo
     GConf libXdamage damageproto libxml2 libxslt glibmm libstartup_notification
     metacity
     libpthreadstubs libxcb intltool
diff --git a/pkgs/applications/window-managers/fbpanel/default.nix b/pkgs/applications/window-managers/fbpanel/default.nix
index 7e23dd60503..b521240b48f 100644
--- a/pkgs/applications/window-managers/fbpanel/default.nix
+++ b/pkgs/applications/window-managers/fbpanel/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig
-, libX11, libXmu, libXpm, gtk, libpng, libjpeg, libtiff, librsvg
+, libX11, libXmu, libXpm, gtk2, libpng, libjpeg, libtiff, librsvg
 }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "e14542cc81ea06e64dd4708546f5fd3f5e01884c3e4617885c7ef22af8cf3965";
   };
   buildInputs =
-    [ pkgconfig libX11 libXmu libXpm gtk libpng libjpeg libtiff librsvg ];
+    [ pkgconfig libX11 libXmu libXpm gtk2 libpng libjpeg libtiff librsvg ];
 
   preConfigure = "patchShebangs .";
 
diff --git a/pkgs/applications/window-managers/trayer/default.nix b/pkgs/applications/window-managers/trayer/default.nix
index b7f1d9adad1..296de4e1e25 100644
--- a/pkgs/applications/window-managers/trayer/default.nix
+++ b/pkgs/applications/window-managers/trayer/default.nix
@@ -1,9 +1,9 @@
-{ stdenv, fetchFromGitHub, pkgconfig, gdk_pixbuf, gtk, libXmu }:
+{ stdenv, fetchFromGitHub, pkgconfig, gdk_pixbuf, gtk2, libXmu }:
 
 stdenv.mkDerivation rec {
   name = "trayer-1.1.6";
 
-  buildInputs = [ pkgconfig gdk_pixbuf gtk libXmu ];
+  buildInputs = [ pkgconfig gdk_pixbuf gtk2 libXmu ];
 
   src = fetchFromGitHub {
     owner = "sargon";
diff --git a/pkgs/data/misc/ddccontrol-db/default.nix b/pkgs/data/misc/ddccontrol-db/default.nix
index 3757b10754b..3db05bd4d51 100644
--- a/pkgs/data/misc/ddccontrol-db/default.nix
+++ b/pkgs/data/misc/ddccontrol-db/default.nix
@@ -5,7 +5,7 @@
 , libxml2
 , pciutils
 , pkgconfig
-, gtk
+, gtk2
 }:
 
 let version = "20061014"; in
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
       libxml2
       pciutils
       pkgconfig
-      gtk
+      gtk2
     ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix b/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
index b019951db5f..94ce68f9cb2 100644
--- a/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
+++ b/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
@@ -3,7 +3,7 @@
 with stdenv.lib;
 
 let
-  inherit (pythonPackages) python pygobject pygtk dbus-python;
+  inherit (pythonPackages) python pygobject2 pygtk dbus-python;
 in stdenv.mkDerivation rec {
   version = "2.28";
   name = "gnome-python-${version}.1";
@@ -30,7 +30,7 @@ in stdenv.mkDerivation rec {
     cp bonobo/*.{py,defs} $out/share/pygtk/2.0/defs/
   '';
 
-  buildInputs = [ python pkgconfig pygobject pygtk glib gtk GConf libgnome dbus-python gnome_vfs ];
+  buildInputs = [ python pkgconfig pygobject2 pygtk glib gtk GConf libgnome dbus-python gnome_vfs ];
 
   doCheck = false;
 
diff --git a/pkgs/desktops/gnome-2/bindings/python-rsvg/default.nix b/pkgs/desktops/gnome-2/bindings/python-rsvg/default.nix
index 1e2faf3af84..e06ffca8b90 100644
--- a/pkgs/desktops/gnome-2/bindings/python-rsvg/default.nix
+++ b/pkgs/desktops/gnome-2/bindings/python-rsvg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gnome, librsvg, pkgconfig, pygtk, python, gtk }:
+{ stdenv, fetchurl, gnome2, librsvg, pkgconfig, pygtk, python, gtk }:
 
 stdenv.mkDerivation rec {
   ver_maj = "2.32";
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   installPhase = "python waf install";
 
-  buildInputs = [ gtk gnome.gnome_python librsvg pkgconfig pygtk python ];
+  buildInputs = [ gtk gnome2.gnome_python librsvg pkgconfig pygtk python ];
 
   meta = with stdenv.lib; {
     homepage = "http://www.pygtk.org";
diff --git a/pkgs/desktops/gnome-3/3.20/core/gnome-control-center/default.nix b/pkgs/desktops/gnome-3/3.20/core/gnome-control-center/default.nix
index e77e9e19970..78fc82ebaed 100644
--- a/pkgs/desktops/gnome-3/3.20/core/gnome-control-center/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/gnome-control-center/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, gnome3, ibus, intltool, upower, makeWrapper
-, libcanberra, libcanberra_gtk3, accountsservice, libpwquality, libpulseaudio
+, libcanberra_gtk2, libcanberra_gtk3, accountsservice, libpwquality, libpulseaudio
 , gdk_pixbuf, librsvg, libxkbfile, libnotify, libgudev
 , libxml2, polkit, libxslt, libgtop, libsoup, colord, colord-gtk
 , cracklib, python, libkrb5, networkmanagerapplet, networkmanager
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = false;
 
   buildInputs = with gnome3;
-    [ pkgconfig intltool ibus gtk glib upower libcanberra gsettings_desktop_schemas
+    [ pkgconfig intltool ibus gtk glib upower libcanberra_gtk2 gsettings_desktop_schemas
       libxml2 gnome_desktop gnome_settings_daemon polkit libxslt libgtop gnome-menus
       gnome_online_accounts libsoup colord libpulseaudio fontconfig colord-gtk libpwquality
       accountsservice libkrb5 networkmanagerapplet libwacom samba libnotify libxkbfile
diff --git a/pkgs/desktops/gnome-3/3.20/core/gnome-shell/default.nix b/pkgs/desktops/gnome-3/3.20/core/gnome-shell/default.nix
index d0d7bceef61..cf781d24b6f 100644
--- a/pkgs/desktops/gnome-3/3.20/core/gnome-shell/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/gnome-shell/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = with gnome3;
     [ gsettings_desktop_schemas gnome_keyring gnome-menus glib gcr json_glib accountsservice
-      libcroco intltool libsecret pkgconfig libsoup polkit libcanberra gdk_pixbuf librsvg
+      libcroco intltool libsecret pkgconfig libsoup polkit libcanberra_gtk2 gdk_pixbuf librsvg
       clutter networkmanager libstartup_notification telepathy_glib docbook_xsl docbook_xsl_ns
       libXtst p11_kit networkmanagerapplet gjs mutter libpulseaudio caribou evolution_data_server
       libical libtool nss gtk gstreamer makeWrapper gdm
diff --git a/pkgs/desktops/gnome-3/3.20/core/gsound/default.nix b/pkgs/desktops/gnome-3/3.20/core/gsound/default.nix
index 5f255743313..95785d9ed4d 100644
--- a/pkgs/desktops/gnome-3/3.20/core/gsound/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/gsound/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libcanberra, gobjectIntrospection, libtool, gnome3 }:
+{ stdenv, fetchurl, pkgconfig, glib, libcanberra_gtk2, gobjectIntrospection, libtool, gnome3 }:
 
 let
   majVer = "1.0";
@@ -10,7 +10,7 @@ in stdenv.mkDerivation rec {
     sha256 = "ea0dd94429c0645f2f98824274ef04543fe459dd83a5449a68910acc3ba67f29";
   };
 
-  buildInputs = [ pkgconfig glib libcanberra gobjectIntrospection libtool ];
+  buildInputs = [ pkgconfig glib libcanberra_gtk2 gobjectIntrospection libtool ];
 
   meta = with stdenv.lib; {
     homepage = https://wiki.gnome.org/Projects/GSound;
diff --git a/pkgs/desktops/gnome-3/3.20/core/mutter/default.nix b/pkgs/desktops/gnome-3/3.20/core/mutter/default.nix
index a128990b402..8b992d30e80 100644
--- a/pkgs/desktops/gnome-3/3.20/core/mutter/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/mutter/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, gnome3, intltool, gobjectIntrospection, upower, cairo
-, pango, cogl, clutter, libstartup_notification, libcanberra, zenity, libcanberra_gtk3
+, pango, cogl, clutter, libstartup_notification, libcanberra_gtk2, zenity, libcanberra_gtk3
 , libtool, makeWrapper, xkeyboard_config, libxkbfile, libxkbcommon }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = with gnome3;
     [ pkgconfig intltool glib gobjectIntrospection gtk gsettings_desktop_schemas upower
-      gnome_desktop cairo pango cogl clutter zenity libstartup_notification libcanberra
+      gnome_desktop cairo pango cogl clutter zenity libstartup_notification libcanberra_gtk2
       gnome3.geocode_glib
       libcanberra_gtk3 zenity libtool makeWrapper xkeyboard_config libxkbfile libxkbcommon ];
 
diff --git a/pkgs/desktops/gnome-3/3.20/core/totem/default.nix b/pkgs/desktops/gnome-3/3.20/core/totem/default.nix
index 194b4aca438..884b328dbe7 100644
--- a/pkgs/desktops/gnome-3/3.20/core/totem/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/core/totem/default.nix
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./x86.patch ];
 
-  propagatedBuildInputs = [ gobjectIntrospection python3Packages.pylint python3Packages.pygobject ];
+  propagatedBuildInputs = [ gobjectIntrospection python3Packages.pylint python3Packages.pygobject2 ];
 
   configureFlags = [ "--with-nautilusdir=$(out)/lib/nautilus/extensions-3.0" ];
 
diff --git a/pkgs/desktops/gnome-3/3.20/default.nix b/pkgs/desktops/gnome-3/3.20/default.nix
index a1a7390274e..817c0d9b1d6 100644
--- a/pkgs/desktops/gnome-3/3.20/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/default.nix
@@ -45,7 +45,7 @@ let
     hitori gnome-taquin
   ];
 
-  inherit (pkgs) glib gtk2 webkitgtk24x webkitgtk212x gtk3 gtkmm3 libcanberra;
+  inherit (pkgs) glib gtk2 webkitgtk24x webkitgtk212x gtk3 gtkmm3 libcanberra_gtk2;
   inherit (pkgs.gnome2) ORBit2;
   libsoup = pkgs.libsoup.override { gnomeSupport = true; };
   libchamplain = pkgs.libchamplain.override { libsoup = libsoup; };
diff --git a/pkgs/desktops/gnome-3/3.20/misc/geary/default.nix b/pkgs/desktops/gnome-3/3.20/misc/geary/default.nix
index a2c644caf3c..71bb11d4853 100644
--- a/pkgs/desktops/gnome-3/3.20/misc/geary/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/misc/geary/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, intltool, pkgconfig, gtk3, vala_0_32
 , makeWrapper, gdk_pixbuf, cmake, desktop_file_utils
-, libnotify, libcanberra, libsecret, gmime
+, libnotify, libcanberra_gtk3, libsecret, gmime
 , libpthreadstubs, sqlite
 , gnome3, librsvg, gnome_doc_utils, webkitgtk }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   propagatedUserEnvPkgs = [ gnome3.gnome_themes_standard ];
 
   buildInputs = [ intltool pkgconfig gtk3 makeWrapper cmake desktop_file_utils gnome_doc_utils
-                  vala_0_32 webkitgtk libnotify libcanberra gnome3.libgee libsecret gmime sqlite
+                  vala_0_32 webkitgtk libnotify libcanberra_gtk3 gnome3.libgee libsecret gmime sqlite
                   libpthreadstubs gnome3.gsettings_desktop_schemas gnome3.gcr
                   gdk_pixbuf librsvg gnome3.defaultIconTheme ];
 
diff --git a/pkgs/desktops/gnome-3/3.20/misc/pomodoro/default.nix b/pkgs/desktops/gnome-3/3.20/misc/pomodoro/default.nix
index ff176754e38..1c7f712b12c 100644
--- a/pkgs/desktops/gnome-3/3.20/misc/pomodoro/default.nix
+++ b/pkgs/desktops/gnome-3/3.20/misc/pomodoro/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, which, automake113x, intltool, pkgconfig, libtool, makeWrapper,
-  dbus_glib, libcanberra, gst_all_1, vala_0_32, gnome3, gtk3, gst_plugins_base,
+  dbus_glib, libcanberra_gtk2, gst_all_1, vala_0_32, gnome3, gtk3, gst_plugins_base,
   glib, gobjectIntrospection, telepathy_glib
 }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     which automake113x intltool glib gobjectIntrospection pkgconfig libtool
-    makeWrapper dbus_glib libcanberra vala_0_32 gst_all_1.gstreamer
+    makeWrapper dbus_glib libcanberra_gtk2 vala_0_32 gst_all_1.gstreamer
     gst_all_1.gst-plugins-base gst_all_1.gst-plugins-good
     gnome3.gsettings_desktop_schemas gnome3.gnome_desktop
     gnome3.gnome_common gnome3.gnome_shell gtk3 telepathy_glib
diff --git a/pkgs/desktops/xfce/default.nix b/pkgs/desktops/xfce/default.nix
index fff958de9a0..ac374f1293a 100644
--- a/pkgs/desktops/xfce/default.nix
+++ b/pkgs/desktops/xfce/default.nix
@@ -5,9 +5,10 @@ let
 callPackage = newScope (deps // xfce_self);
 
 deps = { # xfce-global dependency overrides should be here
-  inherit (pkgs.gnome) libglade libwnck vte gtksourceview;
+  inherit (pkgs.gnome2) libglade libwnck vte gtksourceview;
   inherit (pkgs.gnome3) dconf;
   inherit (pkgs.perlPackages) URI;
+  gtk = pkgs.gtk2;
 };
 
 xfce_self = rec { # the lines are very long but it seems better than the even-odd line approach
diff --git a/pkgs/development/compilers/aliceml/default.nix b/pkgs/development/compilers/aliceml/default.nix
index a5900f2ce25..0c8b0f5ce60 100644
--- a/pkgs/development/compilers/aliceml/default.nix
+++ b/pkgs/development/compilers/aliceml/default.nix
@@ -1,4 +1,4 @@
-{stdenv, gcc, glibc, fetchurl, fetchgit, libtool, autoconf, automake, file, gnumake, which, zsh, m4, pkgconfig, perl, gnome, pango, sqlite, libxml2, zlib, gmp, smlnj }:
+{stdenv, gcc, glibc, fetchurl, fetchgit, libtool, autoconf, automake, file, gnumake, which, zsh, m4, pkgconfig, perl, gnome2, pango, sqlite, libxml2, zlib, gmp, smlnj }:
 
 stdenv.mkDerivation {
   name = "aliceml-1.4-7d44dc8e";
@@ -18,8 +18,8 @@ stdenv.mkDerivation {
   buildInputs = [
     stdenv gcc glibc
     libtool gnumake autoconf automake
-    file which zsh m4 gnome.gtk zlib gmp
-    gnome.libgnomecanvas pango sqlite
+    file which zsh m4 gnome2.gtk zlib gmp
+    gnome2.libgnomecanvas pango sqlite
     libxml2 pkgconfig perl smlnj
   ];
 
diff --git a/pkgs/development/compilers/boo/default.nix b/pkgs/development/compilers/boo/default.nix
index 68d3e4d12ed..5fa88ab87e9 100644
--- a/pkgs/development/compilers/boo/default.nix
+++ b/pkgs/development/compilers/boo/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, pkgconfig, dbus, mono, makeWrapper, nant
-, shared_mime_info, gtksourceview, gtk
+, shared_mime_info, gtksourceview, gtk2
 , targetVersion ? "4.5" }:
 
 let
@@ -18,7 +18,7 @@ in stdenv.mkDerivation rec {
 
   buildInputs = [
     pkgconfig mono makeWrapper nant shared_mime_info gtksourceview
-    gtk
+    gtk2
   ];
 
   patches = [ ./config.patch ];
diff --git a/pkgs/development/compilers/fpc/lazarus.nix b/pkgs/development/compilers/fpc/lazarus.nix
index 1f2be91b13a..704d9d5be64 100644
--- a/pkgs/development/compilers/fpc/lazarus.nix
+++ b/pkgs/development/compilers/fpc/lazarus.nix
@@ -1,7 +1,7 @@
 {
 stdenv, fetchurl
 , fpc
-, gtk, glib, pango, atk, gdk_pixbuf
+, gtk2, glib, pango, atk, gdk_pixbuf
 , libXi, inputproto, libX11, xproto, libXext, xextproto
 , makeWrapper
 }:
@@ -15,7 +15,7 @@ let
     name = "lazarus-${version}";
   };
   buildInputs = [
-    fpc gtk glib libXi inputproto
+    fpc gtk2 glib libXi inputproto
     libX11 xproto libXext xextproto pango atk
     stdenv.cc makeWrapper gdk_pixbuf
   ];
diff --git a/pkgs/development/compilers/gnu-smalltalk/default.nix b/pkgs/development/compilers/gnu-smalltalk/default.nix
index 5d9ca621648..b75b57d0f47 100644
--- a/pkgs/development/compilers/gnu-smalltalk/default.nix
+++ b/pkgs/development/compilers/gnu-smalltalk/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, libtool, zip, libffi, libsigsegv, readline, gmp,
-gnutls, gnome, cairo, SDL, sqlite, emacsSupport ? false, emacs ? null }:
+gnutls, gnome2, cairo, SDL, sqlite, emacsSupport ? false, emacs ? null }:
 
 assert emacsSupport -> (emacs != null);
 
@@ -26,7 +26,7 @@ in stdenv.mkDerivation rec {
   # The dependencies and their justification are explained at
   # http://smalltalk.gnu.org/download
   buildInputs = [
-    pkgconfig libtool zip libffi libsigsegv-shared readline gmp gnutls gnome.gtk
+    pkgconfig libtool zip libffi libsigsegv-shared readline gmp gnutls gnome2.gtk
     cairo SDL sqlite
   ]
   ++ stdenv.lib.optional emacsSupport emacs;
diff --git a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
index 775971821aa..8fe775de146 100644
--- a/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
+++ b/pkgs/development/compilers/oraclejdk/jdk-linux-base.nix
@@ -26,7 +26,7 @@
 , mesa_noglu
 , freetype
 , fontconfig
-, gnome
+, gnome2
 , cairo
 , alsaLib
 , atk
@@ -177,7 +177,7 @@ let result = stdenv.mkDerivation rec {
    * libXt is only needed on amd64
    */
   libraries =
-    [stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg libxslt mesa_noglu xorg.libXxf86vm alsaLib fontconfig freetype gnome.pango gnome.gtk cairo gdk_pixbuf atk] ++
+    [stdenv.cc.libc glib libxml2 libav_0_8 ffmpeg libxslt mesa_noglu xorg.libXxf86vm alsaLib fontconfig freetype gnome2.pango gnome2.gtk cairo gdk_pixbuf atk] ++
     (if swingSupport then [xorg.libX11 xorg.libXext xorg.libXtst xorg.libXi xorg.libXp xorg.libXt xorg.libXrender stdenv.cc.cc] else []);
 
   rpath = stdenv.lib.strings.makeLibraryPath libraries;
diff --git a/pkgs/development/guile-modules/guile-gnome/default.nix b/pkgs/development/guile-modules/guile-gnome/default.nix
index 3e9736fff52..ec7723f5b7e 100644
--- a/pkgs/development/guile-modules/guile-gnome/default.nix
+++ b/pkgs/development/guile-modules/guile-gnome/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, guile, guile_lib, gwrap
-, pkgconfig, gconf, glib, gnome_vfs, gtk
+, pkgconfig, gconf, glib, gnome_vfs, gtk2
 , libglade, libgnome, libgnomecanvas, libgnomeui
 , pango, guileCairo, autoconf, automake, texinfo }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     gconf
     glib
     gnome_vfs
-    gtk
+    gtk2
     libglade
     libgnome
     libgnomecanvas
diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 42734e08cd3..fae838e3d2f 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -229,7 +229,7 @@ self: super: {
   });
   gtk = pkgs.lib.overrideDerivation (addPkgconfigDepend (
     addBuildTool super.gtk self.gtk2hs-buildtools
-  ) pkgs.gtk) (drv: {
+  ) pkgs.gtk2) (drv: {
     hardeningDisable = [ "fortify" ];
   });
   gtksourceview2 = (addPkgconfigDepend super.gtksourceview2 pkgs.gtk2).override { inherit (pkgs.gnome2) gtksourceview; };
diff --git a/pkgs/development/haskell-modules/default.nix b/pkgs/development/haskell-modules/default.nix
index baec1bfb818..7744015de37 100644
--- a/pkgs/development/haskell-modules/default.nix
+++ b/pkgs/development/haskell-modules/default.nix
@@ -49,7 +49,7 @@ let
         overrideScope = f: callPackageWithScope (mkScope (fix' (extends f scope.__unfix__))) drv args;
       };
 
-      mkScope = scope: pkgs // pkgs.xorg // pkgs.gnome // scope;
+      mkScope = scope: pkgs // pkgs.xorg // pkgs.gnome2 // scope;
       defaultScope = mkScope self;
       callPackage = drv: args: callPackageWithScope defaultScope drv args;
 
diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index dd5ae329c20..56662e0abeb 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -129344,7 +129344,7 @@ self: {
        homepage = "http://projects.haskell.org/gtk2hs/";
        description = "Binding to the Pango text rendering engine";
        license = stdenv.lib.licenses.lgpl21;
-     }) {inherit (pkgs.gnome) pango;};
+     }) {inherit (pkgs.gnome2) pango;};
 
   "papa" = callPackage
     ({ mkDerivation, base, directory, doctest, filepath, papa-base
diff --git a/pkgs/development/interpreters/racket/default.nix b/pkgs/development/interpreters/racket/default.nix
index 6ab527b7ccf..8e462ffaacc 100644
--- a/pkgs/development/interpreters/racket/default.nix
+++ b/pkgs/development/interpreters/racket/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, makeFontsConf, makeWrapper
 , cairo, coreutils, fontconfig, freefont_ttf
-, glib, gmp, gtk, libffi, libjpeg, libpng
+, glib, gmp, gtk2, libffi, libjpeg, libpng
 , libtool, mpfr, openssl, pango, poppler
 , readline, sqlite
 , disableDocs ? true
@@ -17,7 +17,7 @@ let
     fontconfig
     glib
     gmp
-    gtk
+    gtk2
     libjpeg
     libpng
     mpfr
diff --git a/pkgs/development/libraries/aqbanking/gwenhywfar.nix b/pkgs/development/libraries/aqbanking/gwenhywfar.nix
index 70e7b1c33c0..9b6ba128512 100644
--- a/pkgs/development/libraries/aqbanking/gwenhywfar.nix
+++ b/pkgs/development/libraries/aqbanking/gwenhywfar.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gnutls, gtk, libgcrypt, pkgconfig, gettext, qt4
+{ stdenv, fetchurl, gnutls, gtk2, libgcrypt, pkgconfig, gettext, qt4
 
 , pluginSearchPaths ? [
     "/run/current-system/sw/lib/gwenhywfar/plugins"
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig gettext ];
 
-  buildInputs = [ gtk qt4 gnutls libgcrypt ];
+  buildInputs = [ gtk2 qt4 gnutls libgcrypt ];
 
   QTDIR = qt4;
 
diff --git a/pkgs/development/libraries/audio/lv2/default.nix b/pkgs/development/libraries/audio/lv2/default.nix
index cda126218ba..fad8dc86bd1 100644
--- a/pkgs/development/libraries/audio/lv2/default.nix
+++ b/pkgs/development/libraries/audio/lv2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, libsndfile, pkgconfig, python }:
+{ stdenv, fetchurl, gtk2, libsndfile, pkgconfig, python }:
 
 stdenv.mkDerivation rec {
   name = "lv2-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1saq0vwqy5zjdkgc5ahs8kcabxfmff2mmg68fiqrkv8hiw9m6jks";
   };
 
-  buildInputs = [ gtk libsndfile pkgconfig python ];
+  buildInputs = [ gtk2 libsndfile pkgconfig python ];
 
   configurePhase = "python waf configure --prefix=$out";
 
diff --git a/pkgs/development/libraries/audio/lvtk/default.nix b/pkgs/development/libraries/audio/lvtk/default.nix
index a56425b8425..c74c8caa23f 100644
--- a/pkgs/development/libraries/audio/lvtk/default.nix
+++ b/pkgs/development/libraries/audio/lvtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, boost, gtkmm, lv2, pkgconfig, python }:
+{ stdenv, fetchurl, boost, gtkmm2, lv2, pkgconfig, python }:
 
 stdenv.mkDerivation rec {
   name = "lvtk-${version}";
@@ -10,7 +10,9 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig python ];
-  buildInputs = [ boost gtkmm lv2 ];
+  buildInputs = [ boost gtkmm2 lv2 ];
+
+  enableParallelBuilding = true;
 
   # Fix including the boost libraries during linking
   postPatch = ''
diff --git a/pkgs/development/libraries/audio/raul/default.nix b/pkgs/development/libraries/audio/raul/default.nix
index 789846c15e7..97d7dd83155 100644
--- a/pkgs/development/libraries/audio/raul/default.nix
+++ b/pkgs/development/libraries/audio/raul/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, boost, gtk, pkgconfig, python }:
+{ stdenv, fetchsvn, boost, gtk2, pkgconfig, python }:
 
 stdenv.mkDerivation rec {
   name = "raul-svn-${rev}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0yvm3j57lch89dixx7zsip7pxsws0xxy1y6ck7a3l0534qc5kny4";
   };
 
-  buildInputs = [ boost gtk pkgconfig python ];
+  buildInputs = [ boost gtk2 pkgconfig python ];
 
   configurePhase = "python waf configure --prefix=$out";
 
diff --git a/pkgs/development/libraries/audio/suil/default.nix b/pkgs/development/libraries/audio/suil/default.nix
index f5a98750ded..518f89092ab 100644
--- a/pkgs/development/libraries/audio/suil/default.nix
+++ b/pkgs/development/libraries/audio/suil/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, lv2, pkgconfig, python, serd, sord, sratom, qt4 }:
+{ stdenv, fetchurl, gtk2, lv2, pkgconfig, python, serd, sord, sratom, qt4 }:
 
 stdenv.mkDerivation rec {
   name = "suil-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1s3adyiw7sa5gfvm5wasa61qa23629kprxyv6w8hbxdiwp0hhxkq";
   };
 
-  buildInputs = [ gtk lv2 pkgconfig python qt4 serd sord sratom ];
+  buildInputs = [ gtk2 lv2 pkgconfig python qt4 serd sord sratom ];
 
   configurePhase = "python waf configure --prefix=$out";
 
diff --git a/pkgs/development/libraries/clutter-gtk/0.10.8.nix b/pkgs/development/libraries/clutter-gtk/0.10.8.nix
index d3754ecd6c6..a3cdbbf2827 100644
--- a/pkgs/development/libraries/clutter-gtk/0.10.8.nix
+++ b/pkgs/development/libraries/clutter-gtk/0.10.8.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, clutter, gtk }:
+{ fetchurl, stdenv, pkgconfig, clutter, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "clutter-gtk-0.10.8";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0508x1jfnlq0zhgscysvfa7i7ljkzm23d2myikvdjwc8ar8zjrvq";
   };
 
-  propagatedBuildInputs = [ clutter gtk ];
+  propagatedBuildInputs = [ clutter gtk2 ];
   nativeBuildInputs = [ pkgconfig ];
 
   configureFlags = [ "--disable-introspection" ]; # not needed anywhere AFAIK
diff --git a/pkgs/development/libraries/cwiid/default.nix b/pkgs/development/libraries/cwiid/default.nix
index 980155c007a..fb5431ff8d5 100644
--- a/pkgs/development/libraries/cwiid/default.nix
+++ b/pkgs/development/libraries/cwiid/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, autoreconfHook, fetchgit, bison, flex, bluez, pkgconfig, gtk }:
+{ stdenv, autoreconfHook, fetchgit, bison, flex, bluez, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "cwiid-2010-02-21-git";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sed -i -e '/$(LDCONFIG)/d' common/include/lib.mak.in
   '';
 
-  buildInputs = [ autoreconfHook bison flex bluez pkgconfig gtk ];
+  buildInputs = [ autoreconfHook bison flex bluez pkgconfig gtk2 ];
 
   postInstall = ''
     # Some programs (for example, cabal-install) have problems with the double 0
diff --git a/pkgs/development/libraries/farsight2/default.nix b/pkgs/development/libraries/farsight2/default.nix
index 5c2ef0f6b4e..af83068e5ad 100644
--- a/pkgs/development/libraries/farsight2/default.nix
+++ b/pkgs/development/libraries/farsight2/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, libnice, pkgconfig, python, gstreamer, gst_plugins_base
-, pygobject, gst_python, gupnp_igd }:
+, pygobject2, gst_python, gupnp_igd }:
 
 stdenv.mkDerivation rec {
   name = "farsight2-0.0.31";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "16qz4x14rdycm4nrn5wx6k2y22fzrazsbmihrxdwafx9cyf23kjm";
   };
 
-  buildInputs = [ libnice python pygobject gst_python gupnp_igd ];
+  buildInputs = [ libnice python pygobject2 gst_python gupnp_igd ];
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/libraries/farstream/default.nix b/pkgs/development/libraries/farstream/default.nix
index a57c3da333e..27bff62bd65 100644
--- a/pkgs/development/libraries/farstream/default.nix
+++ b/pkgs/development/libraries/farstream/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, libnice, pkgconfig, python, gstreamer, gst-plugins-base
-, pygobject, gst-python, gupnp_igd
+, pygobject2, gst-python, gupnp_igd
 , gst-plugins-good, gst-plugins-bad, gst-libav
 }:
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0c5vlyiwb799wpby4g9vffiy0nf09gy2cr84ksfy3jwzsxf5n38j";
   };
 
-  buildInputs = [ libnice python pygobject gupnp_igd libnice ];
+  buildInputs = [ libnice python pygobject2 gupnp_igd libnice ];
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/development/libraries/ganv/default.nix b/pkgs/development/libraries/ganv/default.nix
index eef89e9cff6..6af09bd5179 100644
--- a/pkgs/development/libraries/ganv/default.nix
+++ b/pkgs/development/libraries/ganv/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, graphviz, gtk, gtkmm, pkgconfig, python }:
+{ stdenv, fetchsvn, graphviz, gtkmm2, pkgconfig, python }:
 
 stdenv.mkDerivation rec {
   name = "ganv-svn-${rev}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0klzng3jvc09lj4hxnzlb8z5s5qp8rj16b1x1j6hcbqdja54fccj";
   };
 
-  buildInputs = [ graphviz gtk gtkmm pkgconfig python ];
+  buildInputs = [ graphviz gtkmm2 pkgconfig python ];
 
   configurePhase = "python waf configure --prefix=$out";
 
diff --git a/pkgs/development/libraries/gegl/default.nix b/pkgs/development/libraries/gegl/default.nix
index b54b3a38e76..304d8110ad4 100644
--- a/pkgs/development/libraries/gegl/default.nix
+++ b/pkgs/development/libraries/gegl/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, glib, babl, libpng, cairo, libjpeg
-, librsvg, pango, gtk, bzip2, intltool
+, librsvg, pango, gtk2, bzip2, intltool
 , OpenGL ? null }:
 
 stdenv.mkDerivation rec {
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
   NIX_LDFLAGS = if stdenv.isDarwin then "-lintl" else null;
 
-  buildInputs = [ babl libpng cairo libjpeg librsvg pango gtk bzip2 intltool ]
+  buildInputs = [ babl libpng cairo libjpeg librsvg pango gtk2 bzip2 intltool ]
     ++ stdenv.lib.optional stdenv.isDarwin OpenGL;
 
   nativeBuildInputs = [ pkgconfig ];
diff --git a/pkgs/development/libraries/geoclue/default.nix b/pkgs/development/libraries/geoclue/default.nix
index 754c85ecf03..9aba42fdf4b 100644
--- a/pkgs/development/libraries/geoclue/default.nix
+++ b/pkgs/development/libraries/geoclue/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, dbus, dbus_glib, glib, pkgconfig, libxml2, gnome, libxslt }:
+{ stdenv, fetchurl, dbus, dbus_glib, glib, pkgconfig, libxml2, gnome2, libxslt }:
 
 stdenv.mkDerivation rec {
   name = "geoclue-0.12.0";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "15j619kvmdgj2hpma92mkxbzjvgn8147a7500zl3bap9g8bkylqg";
   };
 
-  buildInputs = [ pkgconfig libxml2 gnome.GConf libxslt ];
+  buildInputs = [ pkgconfig libxml2 gnome2.GConf libxslt ];
 
   propagatedBuildInputs = [dbus glib dbus_glib];
 
diff --git a/pkgs/development/libraries/gio-sharp/default.nix b/pkgs/development/libraries/gio-sharp/default.nix
index ad5220cac4e..804da49fda9 100644
--- a/pkgs/development/libraries/gio-sharp/default.nix
+++ b/pkgs/development/libraries/gio-sharp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, which, pkgconfig, mono, gtk-sharp }:
+{ stdenv, fetchFromGitHub, autoconf, automake, which, pkgconfig, mono, gtk-sharp-2_0 }:
 
 stdenv.mkDerivation rec {
   name = "gio-sharp-${version}";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig autoconf automake which ];
-  buildInputs = [ mono gtk-sharp ];
+  buildInputs = [ mono gtk-sharp-2_0 ];
 
   dontStrip = true;
 
diff --git a/pkgs/development/libraries/gnome-sharp/default.nix b/pkgs/development/libraries/gnome-sharp/default.nix
index 59f97e46bef..f95d0720d83 100644
--- a/pkgs/development/libraries/gnome-sharp/default.nix
+++ b/pkgs/development/libraries/gnome-sharp/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, gtk, mono, gtk-sharp, gnome}:
+{stdenv, fetchurl, pkgconfig, gtk2, mono, gtk-sharp-2_0, gnome2}:
 
 stdenv.mkDerivation {
   name = "gnome-sharp-2.24.1";
@@ -7,8 +7,8 @@ stdenv.mkDerivation {
     sha256 = "0cfvs7hw67fp0wimskqd0gdfx323gv6hi0c5pf59krnmhdrl6z8p";
   };
 
-  buildInputs = [ pkgconfig gtk mono gtk-sharp ]
-  ++ (with gnome; [ libart_lgpl gnome_vfs libgnome libgnomecanvas libgnomeui]);
+  buildInputs = [ pkgconfig gtk2 mono gtk-sharp-2_0 ]
+  ++ (with gnome2; [ libart_lgpl gnome_vfs libgnome libgnomecanvas libgnomeui]);
 
   patches = [ ./Makefile.in.patch ];
 
diff --git a/pkgs/development/libraries/goffice/0.8.nix b/pkgs/development/libraries/goffice/0.8.nix
index 75a7dfb4898..2da683fcbeb 100644
--- a/pkgs/development/libraries/goffice/0.8.nix
+++ b/pkgs/development/libraries/goffice/0.8.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, glib, gtk, libglade, bzip2
+{ fetchurl, stdenv, pkgconfig, glib, gtk2, libglade, bzip2
 , pango, libgsf, libxml2, libart, intltool, gettext
 , cairo, gconf, libgnomeui, pcre, goffice/*just meta*/ }:
 
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [
     # All these are in the "Requires:" field of `libgoffice-0.6.pc'.
-    glib libgsf libxml2 gtk libglade libart cairo pango
+    glib libgsf libxml2 gtk2 libglade libart cairo pango
   ];
 
   postInstall =
diff --git a/pkgs/development/libraries/goocanvas/default.nix b/pkgs/development/libraries/goocanvas/default.nix
index 5a367e1d593..080b781ca31 100644
--- a/pkgs/development/libraries/goocanvas/default.nix
+++ b/pkgs/development/libraries/goocanvas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, cairo, glib, pkgconfig }:
+{ stdenv, fetchurl, gtk2, cairo, glib, pkgconfig }:
 
 stdenv.mkDerivation rec {
   majVersion = "1.0";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "07kicpcacbqm3inp7zq32ldp95mxx4kfxpaazd0x5jk7hpw2w1qw";
   };
 
-  buildInputs = [ gtk cairo glib pkgconfig ];
+  buildInputs = [ gtk2 cairo glib pkgconfig ];
 
   meta = { 
     description = "Canvas widget for GTK+ based on the the Cairo 2D library";
diff --git a/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix b/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
index 249eb9a30da..b8a18d70af9 100644
--- a/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
+++ b/pkgs/development/libraries/gstreamer/legacy/gst-python/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, pkgconfig, python, gstreamer
-, gst_plugins_base, pygobject
+, gst_plugins_base, pygobject2
 }:
 
 stdenv.mkDerivation rec {
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   patches = [ ./disable-testFake.patch ];
 
   buildInputs =
-    [ pkgconfig gst_plugins_base pygobject ]
+    [ pkgconfig gst_plugins_base pygobject2 ]
     ;
 
   propagatedBuildInputs = [ gstreamer python ];
diff --git a/pkgs/development/libraries/gtdialog/default.nix b/pkgs/development/libraries/gtdialog/default.nix
index 8d8a018f1fe..1931624d08f 100644
--- a/pkgs/development/libraries/gtdialog/default.nix
+++ b/pkgs/development/libraries/gtdialog/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, cdk, unzip, gtk, glib, ncurses, pkgconfig}:
+{stdenv, fetchurl, cdk, unzip, gtk2, glib, ncurses, pkgconfig}:
 let
   s = # Generated upstream information
   rec {
@@ -10,7 +10,7 @@ let
     sha256="0nvcldyhj8abr8jny9pbyfjwg8qfp9f2h508vjmrvr5c5fqdbbm0";
   };
   buildInputs = [
-    cdk unzip gtk glib ncurses pkgconfig
+    cdk unzip gtk2 glib ncurses pkgconfig
   ];
 in
 stdenv.mkDerivation {
diff --git a/pkgs/development/libraries/gtk-sharp-beans/default.nix b/pkgs/development/libraries/gtk-sharp-beans/default.nix
index 92578f42e34..b92bbf64514 100644
--- a/pkgs/development/libraries/gtk-sharp-beans/default.nix
+++ b/pkgs/development/libraries/gtk-sharp-beans/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, which, pkgconfig, mono, gtk-sharp, gio-sharp }:
+{ stdenv, fetchFromGitHub, autoreconfHook, which, pkgconfig, mono, gtk-sharp-2_0, gio-sharp }:
 
 stdenv.mkDerivation rec {
   name = "gtk-sharp-beans-${version}";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ pkgconfig autoreconfHook which ];
-  buildInputs = [ mono gtk-sharp gio-sharp ];
+  buildInputs = [ mono gtk-sharp-2_0 gio-sharp ];
 
   dontStrip = true;
 
diff --git a/pkgs/development/libraries/gtk-sharp/2.0.nix b/pkgs/development/libraries/gtk-sharp/2.0.nix
index a8667770271..ca6c4d0dfa6 100644
--- a/pkgs/development/libraries/gtk-sharp/2.0.nix
+++ b/pkgs/development/libraries/gtk-sharp/2.0.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, pkgconfig, mono
 , glib
 , pango
-, gtk
+, gtk2
 , GConf ? null
 , libglade ? null
 , libgtkhtml ? null
@@ -33,7 +33,7 @@ stdenv.mkDerivation {
   '';
 
   buildInputs = [
-    pkgconfig mono glib pango gtk GConf libglade libgnomecanvas
+    pkgconfig mono glib pango gtk2 GConf libglade libgnomecanvas
     libgtkhtml libgnomeui libgnomeprint libgnomeprintui gtkhtml libxml2
   ];
 
@@ -42,7 +42,7 @@ stdenv.mkDerivation {
   inherit monoDLLFixer;
 
   passthru = {
-    inherit gtk;
+    gtk = gtk2;
   };
 
   meta = {
diff --git a/pkgs/development/libraries/gtkdatabox/default.nix b/pkgs/development/libraries/gtkdatabox/default.nix
index 6e5a1329c9b..82c4f25f66c 100644
--- a/pkgs/development/libraries/gtkdatabox/default.nix
+++ b/pkgs/development/libraries/gtkdatabox/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk }:
+{ stdenv, fetchurl, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "gtkdatabox-0.9.2.0";
@@ -8,9 +8,9 @@ stdenv.mkDerivation rec {
     sha256 = "0h20685bzw5j5h6mw8c6apbrbrd9w518c6xdhr55147px11nhnkl";
   };
 
-  buildInputs = [ pkgconfig gtk ];
+  buildInputs = [ pkgconfig ];
 
-  propagatedBuildInputs = [ gtk ];
+  propagatedBuildInputs = [ gtk2 ];
 
   meta = {
     description = "Gtk+ widget for displaying large amounts of numerical data";
diff --git a/pkgs/development/libraries/gtkimageview/default.nix b/pkgs/development/libraries/gtkimageview/default.nix
index d88160361ca..eb0ba2db103 100644
--- a/pkgs/development/libraries/gtkimageview/default.nix
+++ b/pkgs/development/libraries/gtkimageview/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, pkgconfig, gtk }:
+{ fetchurl, stdenv, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "gtkimageview-1.6.4";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1if3yh5z6nkv5wnkk0qyy9pkk03vn5rqbfk23q87kj39pqscgr37";
   };
 
-  buildInputs = [ pkgconfig gtk ];
+  buildInputs = [ pkgconfig gtk2 ];
 
   preConfigure = ''
     sed '/DEPRECATED_FLAGS/d' -i configure
diff --git a/pkgs/development/libraries/gtkmathview/default.nix b/pkgs/development/libraries/gtkmathview/default.nix
index bb2993348fd..e36d77142e9 100644
--- a/pkgs/development/libraries/gtkmathview/default.nix
+++ b/pkgs/development/libraries/gtkmathview/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, gtk, t1lib, glib, libxml2, popt, gmetadom ? null }:
+{stdenv, fetchurl, pkgconfig, gtk2, t1lib, glib, libxml2, popt, gmetadom ? null }:
 
 let
   pname = "gtkmathview";
@@ -13,8 +13,8 @@ stdenv.mkDerivation {
     sha256 = "0hwcamf5fi35frg7q6kgisc9v0prqbhsplb2gl55cg3av9sh3hqx";
   };
 
-  buildInputs = [pkgconfig gtk t1lib glib gmetadom libxml2 popt];
-  propagatedBuildInputs = [gtk t1lib];
+  buildInputs = [pkgconfig t1lib glib gmetadom libxml2 popt];
+  propagatedBuildInputs = [gtk2 t1lib];
 
   patches = [ ./gcc-4.3-build-fixes.patch ./gcc-4.4-build-fixes.patch ];
 
diff --git a/pkgs/development/libraries/gtkmm/2.x.nix b/pkgs/development/libraries/gtkmm/2.x.nix
index 76175859e7d..b87b60c59da 100644
--- a/pkgs/development/libraries/gtkmm/2.x.nix
+++ b/pkgs/development/libraries/gtkmm/2.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, glibmm, cairomm, pangomm, atkmm }:
+{ stdenv, fetchurl, pkgconfig, gtk2, glibmm, cairomm, pangomm, atkmm }:
 
 stdenv.mkDerivation rec {
   name = "gtkmm-${minVer}.4";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [pkgconfig];
 
-  propagatedBuildInputs = [ glibmm gtk atkmm cairomm pangomm ];
+  propagatedBuildInputs = [ glibmm gtk2 atkmm cairomm pangomm ];
 
   doCheck = true;
 
diff --git a/pkgs/development/libraries/gtkmozembed-sharp/default.nix b/pkgs/development/libraries/gtkmozembed-sharp/default.nix
index 512d443f9fc..52fc4b26e6d 100644
--- a/pkgs/development/libraries/gtkmozembed-sharp/default.nix
+++ b/pkgs/development/libraries/gtkmozembed-sharp/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, mono, gtksharp, gtk, monoDLLFixer}:
+{stdenv, fetchurl, pkgconfig, mono, gtksharp, gtk2, monoDLLFixer}:
 
 stdenv.mkDerivation {
   name = "gtkmozembed-sharp-0.7-pre41601";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs = [
-    pkgconfig mono gtksharp gtk
+    pkgconfig mono gtksharp gtk2
   ];
 
   inherit monoDLLFixer;
diff --git a/pkgs/development/libraries/gtkspell/default.nix b/pkgs/development/libraries/gtkspell/default.nix
index daf400fdc5a..22b96abf642 100644
--- a/pkgs/development/libraries/gtkspell/default.nix
+++ b/pkgs/development/libraries/gtkspell/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, aspell, pkgconfig, enchant, intltool}:
+{stdenv, fetchurl, gtk2, aspell, pkgconfig, enchant, intltool}:
 
 stdenv.mkDerivation {
   name = "gtkspell-2.0.16";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "00hdv28bp72kg1mq2jdz1sdw2b8mb9iclsp7jdqwpck705bdriwg";
   };
   
-  buildInputs = [aspell pkgconfig gtk enchant intltool];
+  buildInputs = [aspell pkgconfig gtk2 enchant intltool];
 
   meta = {
     platforms = stdenv.lib.platforms.unix;
diff --git a/pkgs/development/libraries/gvfs/default.nix b/pkgs/development/libraries/gvfs/default.nix
index 37403f50e2b..5ef8bbac5d1 100644
--- a/pkgs/development/libraries/gvfs/default.nix
+++ b/pkgs/development/libraries/gvfs/default.nix
@@ -2,7 +2,7 @@
 , glib, dbus, udev, libgudev, udisks2, libgcrypt
 , libgphoto2, avahi, libarchive, fuse, libcdio
 , libxml2, libxslt, docbook_xsl, samba, libmtp
-, gnomeSupport ? false, gnome,libgnome_keyring, gconf, makeWrapper }:
+, gnomeSupport ? false, gnome, libgnome_keyring, makeWrapper }:
 
 let
   ver_maj = "1.22";
diff --git a/pkgs/development/libraries/hyena/default.nix b/pkgs/development/libraries/hyena/default.nix
index 00d3e45805c..2c1ca6aeb1e 100644
--- a/pkgs/development/libraries/hyena/default.nix
+++ b/pkgs/development/libraries/hyena/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, mono, gtk-sharp, monoDLLFixer }:
+{ stdenv, fetchurl, pkgconfig, mono, gtk-sharp-2_0, monoDLLFixer }:
 
 stdenv.mkDerivation rec {
   name = "hyena-${version}";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    pkgconfig mono gtk-sharp
+    pkgconfig mono gtk-sharp-2_0
   ];
 
   postPatch = ''
diff --git a/pkgs/development/libraries/java/classpath/default.nix b/pkgs/development/libraries/java/classpath/default.nix
index 889137d6284..9fb2a2a2e3a 100644
--- a/pkgs/development/libraries/java/classpath/default.nix
+++ b/pkgs/development/libraries/java/classpath/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, javac, jvm, antlr, pkgconfig, gtk, gconf, ecj }:
+{ fetchurl, stdenv, javac, jvm, antlr, pkgconfig, gtk2, gconf, ecj }:
 
 stdenv.mkDerivation rec {
   name = "classpath-0.99";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./missing-casts.patch ];
 
-  buildInputs = [ javac jvm antlr pkgconfig gtk gconf ecj ];
+  buildInputs = [ javac jvm antlr pkgconfig gtk2 gconf ecj ];
 
   configurePhase = ''
     # GCJ tries to compile all of Classpath during the `configure' run when
diff --git a/pkgs/development/libraries/java/swt/default.nix b/pkgs/development/libraries/java/swt/default.nix
index c3053e1f268..2cf08e34575 100644
--- a/pkgs/development/libraries/java/swt/default.nix
+++ b/pkgs/development/libraries/java/swt/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, unzip, jdk, pkgconfig, gtk
+{ stdenv, lib, fetchurl, unzip, jdk, pkgconfig, gtk2
 , libXt, libXtst, libXi, mesa, webkit, libsoup, xorg
 , pango, gdk_pixbuf, glib
 }:
@@ -36,7 +36,7 @@ in stdenv.mkDerivation rec {
   sourceRoot = ".";
 
   nativeBuildInputs = [ unzip pkgconfig ];
-  buildInputs = [ jdk gtk libXt libXtst libXi mesa webkit libsoup ];
+  buildInputs = [ jdk gtk2 libXt libXtst libXi mesa webkit libsoup ];
 
   NIX_LFLAGS = (map (x: "-L${lib.getLib x}/lib") [ xorg.libX11 pango gdk_pixbuf glib ]) ++
     [ "-lX11" "-lpango-1.0" "-lgdk_pixbuf-2.0" "-lglib-2.0" ];
diff --git a/pkgs/development/libraries/keybinder/default.nix b/pkgs/development/libraries/keybinder/default.nix
index 0ab24df57ba..2bd1f0a48ac 100644
--- a/pkgs/development/libraries/keybinder/default.nix
+++ b/pkgs/development/libraries/keybinder/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, autoconf, automake, libtool, pkgconfig, gnome3, pygobject3, pygtk
-, gtk_doc, gtk2, python, pygobject, lua, libX11, libXext, libXrender, gobjectIntrospection
+, gtk_doc, gtk2, python, lua, libX11, libXext, libXrender, gobjectIntrospection
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/keybinder3/default.nix b/pkgs/development/libraries/keybinder3/default.nix
index 581e6e70b71..5c8e1759a2d 100644
--- a/pkgs/development/libraries/keybinder3/default.nix
+++ b/pkgs/development/libraries/keybinder3/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, gnome3, pygobject3, pygtk
-, gtk_doc, gtk3, python, pygobject, lua, libX11, libXext, libXrender, gobjectIntrospection
+{ stdenv, fetchFromGitHub, autoconf, automake, libtool, pkgconfig, gnome3, pygtk
+, gtk_doc, gtk3, python, lua, libX11, libXext, libXrender, gobjectIntrospection
 }:
 
 stdenv.mkDerivation rec {
diff --git a/pkgs/development/libraries/libappindicator/default.nix b/pkgs/development/libraries/libappindicator/default.nix
index 4cf0c52d88b..82f7930dd72 100644
--- a/pkgs/development/libraries/libappindicator/default.nix
+++ b/pkgs/development/libraries/libappindicator/default.nix
@@ -5,7 +5,7 @@
 , glib, dbus_glib, gtkVersion
 , gtk2 ? null, libindicator-gtk2 ? null, libdbusmenu-gtk2 ? null
 , gtk3 ? null, libindicator-gtk3 ? null, libdbusmenu-gtk3 ? null
-, python, pygobject, pygtk, gobjectIntrospection, vala_0_23
+, python, pygobject2, pygtk, gobjectIntrospection, vala_0_23
 , monoSupport ? false, mono ? null, gtk-sharp ? null
  }:
 
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     glib dbus_glib
-    python pygobject pygtk gobjectIntrospection vala_0_23
+    python pygobject2 pygtk gobjectIntrospection vala_0_23
   ] ++ (if gtkVersion == "2"
     then [ gtk2 libindicator-gtk2 libdbusmenu-gtk2 ] ++ optionals monoSupport [ mono gtk-sharp ]
     else [ gtk3 libindicator-gtk3 libdbusmenu-gtk3 ]);
diff --git a/pkgs/development/libraries/libfm/default.nix b/pkgs/development/libraries/libfm/default.nix
index f4f3c774789..32eb4e04f03 100644
--- a/pkgs/development/libraries/libfm/default.nix
+++ b/pkgs/development/libraries/libfm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, gtk, intltool, menu-cache, pango, pkgconfig, vala_0_23
+{ stdenv, fetchurl, glib, gtk2, intltool, menu-cache, pango, pkgconfig, vala_0_23
 , extraOnly ? false }:
 let
     inherit (stdenv.lib) optional;
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0bsh4p7h2glhxf1cc1lvbxyb4qy0y1zsnl9izf7vrldkikrgc13q";
   };
 
-  buildInputs = [ glib gtk intltool pango pkgconfig vala_0_23 ]
+  buildInputs = [ glib gtk2 intltool pango pkgconfig vala_0_23 ]
                 ++ optional (!extraOnly) menu-cache;
 
   configureFlags = optional extraOnly "--with-extra-only";
diff --git a/pkgs/development/libraries/libgksu/default.nix b/pkgs/development/libraries/libgksu/default.nix
index b86eba685bb..0de84b1141d 100644
--- a/pkgs/development/libraries/libgksu/default.nix
+++ b/pkgs/development/libraries/libgksu/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, wrapGAppsHook, gtk, gnome, gnome3,
+{ stdenv, fetchurl, pkgconfig, wrapGAppsHook, gtk2, gnome2, gnome3,
   libstartup_notification, libgtop, perl, perlXMLParser,
   autoreconfHook, intltool, gtk_doc, docbook_xsl, xauth, sudo
 }:
@@ -18,8 +18,8 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    gtk gnome.GConf libstartup_notification
-    gnome3.libgnome_keyring libgtop gnome.libglade perl perlXMLParser
+    gtk2 gnome2.GConf libstartup_notification
+    gnome3.libgnome_keyring libgtop gnome2.libglade perl perlXMLParser
   ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/libgpod/default.nix b/pkgs/development/libraries/libgpod/default.nix
index b4b951325a4..706e6a714c1 100644
--- a/pkgs/development/libraries/libgpod/default.nix
+++ b/pkgs/development/libraries/libgpod/default.nix
@@ -1,7 +1,7 @@
 {stdenv, lib, fetchurl, gettext, perl, perlXMLParser, intltool, pkgconfig, glib,
   libxml2, sqlite, libusb1, zlib, sg3_utils, gdk_pixbuf, taglib,
-  libimobiledevice, python, pygobject, mutagen,
-  monoSupport ? true, mono, gtk-sharp
+  libimobiledevice, python, pygobject2, mutagen,
+  monoSupport ? true, mono, gtk-sharp-2_0
 }:
 
 stdenv.mkDerivation rec {
@@ -21,10 +21,10 @@ stdenv.mkDerivation rec {
   dontStrip = true;
 
   propagatedBuildInputs = [ glib libxml2 sqlite zlib sg3_utils
-    gdk_pixbuf taglib libimobiledevice python pygobject mutagen ];
+    gdk_pixbuf taglib libimobiledevice python pygobject2 mutagen ];
 
   nativeBuildInputs = [ gettext perlXMLParser intltool pkgconfig perl
-    libimobiledevice.swig ] ++ lib.optionals monoSupport [ mono gtk-sharp ];
+    libimobiledevice.swig ] ++ lib.optionals monoSupport [ mono gtk-sharp-2_0 ];
 
   meta = {
     homepage = http://gtkpod.sourceforge.net/;
diff --git a/pkgs/development/libraries/libindicate/default.nix b/pkgs/development/libraries/libindicate/default.nix
index 514aea12c7e..9fb22eee6b2 100644
--- a/pkgs/development/libraries/libindicate/default.nix
+++ b/pkgs/development/libraries/libindicate/default.nix
@@ -4,8 +4,8 @@
 , pkgconfig, autoconf
 , glib, dbus_glib, libdbusmenu-glib
 , gtkVersion, gtk2 ? null, gtk3 ? null
-, python, pygobject, pygtk, gobjectIntrospection, vala_0_23, gnome_doc_utils
-, monoSupport ? false, mono ? null, gtk-sharp ? null
+, python, pygobject2, pygtk, gobjectIntrospection, vala_0_23, gnome_doc_utils
+, monoSupport ? false, mono ? null, gtk-sharp-2_0 ? null
  }:
 
 with lib;
@@ -26,9 +26,9 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     glib dbus_glib libdbusmenu-glib
-    python pygobject pygtk gobjectIntrospection vala_0_23 gnome_doc_utils
+    python pygobject2 pygtk gobjectIntrospection vala_0_23 gnome_doc_utils
   ] ++ (if gtkVersion == "2"
-    then [ gtk2 ] ++ optionals monoSupport [ mono gtk-sharp ]
+    then [ gtk2 ] ++ optionals monoSupport [ mono gtk-sharp-2_0 ]
     else [ gtk3 ]);
 
   postPatch = ''
diff --git a/pkgs/development/libraries/libiodbc/default.nix b/pkgs/development/libraries/libiodbc/default.nix
index 0cf07d0769a..6f833ec81a9 100644
--- a/pkgs/development/libraries/libiodbc/default.nix
+++ b/pkgs/development/libraries/libiodbc/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, useGTK ? false }:
+{ stdenv, fetchurl, pkgconfig, gtk2, useGTK ? false }:
 
 stdenv.mkDerivation rec {
   name = "libiodbc-3.52.8";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "16hjb6fcval85gnkgkxfhw4c5h3pgf86awyh8p2bhnnvzc0ma5hq";
   };
 
-  buildInputs = stdenv.lib.optionals useGTK [ gtk pkgconfig ];
+  buildInputs = stdenv.lib.optionals useGTK [ gtk2 pkgconfig ];
 
   preBuild =
     ''
diff --git a/pkgs/development/libraries/libsexy/default.nix b/pkgs/development/libraries/libsexy/default.nix
index c0f12c54564..c8751c3e5dd 100644
--- a/pkgs/development/libraries/libsexy/default.nix
+++ b/pkgs/development/libraries/libsexy/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig
-, glib, gtk, libxml2, pango
+, glib, gtk2, libxml2, pango
 }:
  
 stdenv.mkDerivation {
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ pkgconfig ];
 
-  buildInputs = [ glib gtk libxml2 pango ];
+  buildInputs = [ glib gtk2 libxml2 pango ];
 
   meta = with stdenv.lib; {
     description = "A collection of GTK+ widgets";
diff --git a/pkgs/development/libraries/libunique/default.nix b/pkgs/development/libraries/libunique/default.nix
index 0cdcbd72bae..ebf81c67be0 100644
--- a/pkgs/development/libraries/libunique/default.nix
+++ b/pkgs/development/libraries/libunique/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, gtk, dbus_glib }:
+{ stdenv, fetchurl, pkgconfig, glib, gtk2, dbus_glib }:
 
 stdenv.mkDerivation rec {
   name = "libunique-1.1.6";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     ./1.1.6-include-terminator.patch
   ];
 
-  buildInputs = [ pkgconfig glib gtk dbus_glib ];
+  buildInputs = [ pkgconfig glib gtk2 dbus_glib ];
 
   # don't make deprecated usages hard errors
   preBuild = ''substituteInPlace unique/dbus/Makefile --replace -Werror ""'';
diff --git a/pkgs/development/libraries/libvirt-glib/default.nix b/pkgs/development/libraries/libvirt-glib/default.nix
index ae83ce78d5f..36b5759a2cc 100644
--- a/pkgs/development/libraries/libvirt-glib/default.nix
+++ b/pkgs/development/libraries/libvirt-glib/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, libvirt, glib, libxml2, intltool, libtool, yajl
-, nettle, libgcrypt, python, pygobject, gobjectIntrospection, libcap_ng, numactl
+, nettle, libgcrypt, python, pygobject2, gobjectIntrospection, libcap_ng, numactl
 , xen
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     pkgconfig libvirt glib libxml2 intltool libtool yajl nettle libgcrypt
-    python pygobject gobjectIntrospection libcap_ng numactl xen
+    python pygobject2 gobjectIntrospection libcap_ng numactl xen
   ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/libwnck/default.nix b/pkgs/development/libraries/libwnck/default.nix
index a5f52beed54..6e0809664cf 100644
--- a/pkgs/development/libraries/libwnck/default.nix
+++ b/pkgs/development/libraries/libwnck/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, intltool, xorg }:
+{ stdenv, fetchurl, pkgconfig, gtk2, intltool, xorg }:
 
 let
   ver_maj = "2.31";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" "devdoc" ];
   outputBin = "dev";
 
-  buildInputs = [ pkgconfig gtk intltool xorg.libX11 xorg.libXres ];
+  buildInputs = [ pkgconfig gtk2 intltool xorg.libX11 xorg.libXres ];
   # ?another optional: startup-notification
 
   configureFlags = [ "--disable-introspection" ]; # not needed anywhere AFAIK
diff --git a/pkgs/development/libraries/ntrack/default.nix b/pkgs/development/libraries/ntrack/default.nix
index b7460778474..564bf9f62e3 100644
--- a/pkgs/development/libraries/ntrack/default.nix
+++ b/pkgs/development/libraries/ntrack/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, glib, qt4, pkgconfig, libnl, pygobject, python }:
+{ stdenv, fetchurl, glib, qt4, pkgconfig, libnl, python }:
 
 let
   version = "016";
diff --git a/pkgs/development/libraries/openscenegraph/default.nix b/pkgs/development/libraries/openscenegraph/default.nix
index 1b69563355b..975bcc3d308 100644
--- a/pkgs/development/libraries/openscenegraph/default.nix
+++ b/pkgs/development/libraries/openscenegraph/default.nix
@@ -2,7 +2,7 @@
 , libpng, coin3d, jasper, gdal_1_11, xproto, libX11, libXmu
 , freeglut, mesa, doxygen, ffmpeg, xineLib, unzip, zlib, openal
 , libxml2, curl, a52dec, faad2, gdk_pixbuf, pkgconfig, kbproto, SDL
-, qt4, poppler, librsvg, gtk
+, qt4, poppler, librsvg, gtk2
 , withApps ? true }:
 
 stdenv.mkDerivation rec {
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     cmake giflib libjpeg libtiff lib3ds freetype libpng coin3d jasper
     gdal_1_11 xproto libX11 libXmu freeglut mesa doxygen ffmpeg
     xineLib unzip zlib openal libxml2 curl a52dec faad2 gdk_pixbuf
-    pkgconfig kbproto SDL qt4 poppler librsvg gtk
+    pkgconfig kbproto SDL qt4 poppler librsvg gtk2
   ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 65d45923e5a..a93ae2fc8ad 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -6,7 +6,7 @@
 , buildMultimedia ? stdenv.isLinux, alsaLib, gstreamer, gst_plugins_base
 , buildWebkit ? stdenv.isLinux
 , flashplayerFix ? false, gdk_pixbuf
-, gtkStyle ? false, libgnomeui, gtk, GConf, gnome_vfs
+, gtkStyle ? false, libgnomeui, gtk2, GConf, gnome_vfs
 , developerBuild ? false
 , docs ? false
 , examples ? false
@@ -65,13 +65,13 @@ stdenv.mkDerivation rec {
         src = ./dlopen-gtkstyle.diff;
         # substituteAll ignores env vars starting with capital letter
         gconf = GConf.out;
-        gtk = gtk.out;
+        gtk = gtk2.out;
         libgnomeui = libgnomeui.out;
         gnome_vfs = gnome_vfs.out;
       })
     ++ stdenv.lib.optional flashplayerFix (substituteAll {
         src = ./dlopen-webkit-nsplugin.diff;
-        gtk = gtk.out;
+        gtk = gtk2.out;
         gdk_pixbuf = gdk_pixbuf.out;
       })
     ++ [(fetchpatch {
@@ -131,7 +131,7 @@ stdenv.mkDerivation rec {
     [ cups # Qt dlopen's libcups instead of linking to it
       postgresql sqlite libjpeg libmng libtiff icu ]
     ++ optionals (mysql != null) [ mysql.lib ]
-    ++ optionals gtkStyle [ gtk gdk_pixbuf ]
+    ++ optionals gtkStyle [ gtk2 gdk_pixbuf ]
     ++ optionals stdenv.isDarwin [ cf-private ApplicationServices OpenGL Cocoa AGL libcxx libobjc ];
 
   nativeBuildInputs = [ perl pkgconfig which ];
diff --git a/pkgs/development/libraries/qt-5/5.5/default.nix b/pkgs/development/libraries/qt-5/5.5/default.nix
index 2f252a6cf28..fdeb4f7e6c9 100644
--- a/pkgs/development/libraries/qt-5/5.5/default.nix
+++ b/pkgs/development/libraries/qt-5/5.5/default.nix
@@ -66,7 +66,7 @@ let
         harfbuzz = pkgs.harfbuzz-icu;
         cups = if stdenv.isLinux then pkgs.cups else null;
         # GNOME dependencies are not used unless gtkStyle == true
-        inherit (pkgs.gnome) libgnomeui GConf gnome_vfs;
+        inherit (pkgs.gnome2) libgnomeui GConf gnome_vfs;
         bison = pkgs.bison2; # error: too few arguments to function 'int yylex(...
         inherit developerBuild decryptSslTraffic;
       };
diff --git a/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix b/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
index b80b8a1e761..d36a7ef8273 100644
--- a/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
+++ b/pkgs/development/libraries/qt-5/5.5/qtbase/default.nix
@@ -19,7 +19,7 @@
 , buildExamples ? false
 , buildTests ? false
 , developerBuild ? false
-, libgnomeui, GConf, gnome_vfs, gtk
+, libgnomeui, GConf, gnome_vfs, gtk2
 , decryptSslTraffic ? false
 }:
 
@@ -28,7 +28,7 @@ let
   system-x86_64 = lib.elem stdenv.system lib.platforms.x86_64;
 
   # Search path for Gtk plugin
-  gtkLibPath = lib.makeLibraryPath [ gtk gnome_vfs libgnomeui GConf ];
+  gtkLibPath = lib.makeLibraryPath [ gtk2 gnome_vfs libgnomeui GConf ];
 
   dontInvalidateBacking = fetchurl {
     url = "https://codereview.qt-project.org/gitweb?p=qt/qtbase.git;a=patch;h=0f68f8920573cdce1729a285a92ac8582df32841;hp=24c50f8dcf7fa61ac3c3d4d6295c259a104a2b8c";
@@ -211,7 +211,7 @@ stdenv.mkDerivation {
     ++ lib.optional (mysql != null) mysql.lib
     ++ lib.optional (postgresql != null) postgresql
     # FIXME: move to the main list on rebuild.
-    ++ [gnome_vfs.out libgnomeui.out gtk GConf];
+    ++ [gnome_vfs.out libgnomeui.out gtk2 GConf];
 
   nativeBuildInputs = [ lndir patchelf perl pkgconfig python ];
 
diff --git a/pkgs/development/libraries/qt-5/5.5/qtwebkit/default.nix b/pkgs/development/libraries/qt-5/5.5/qtwebkit/default.nix
index 32b07b6c907..3a2d026842a 100644
--- a/pkgs/development/libraries/qt-5/5.5/qtwebkit/default.nix
+++ b/pkgs/development/libraries/qt-5/5.5/qtwebkit/default.nix
@@ -1,5 +1,5 @@
 { qtSubmodule, stdenv, qtdeclarative, qtlocation, qtsensors
-, fontconfig, gdk_pixbuf, gtk, libwebp, libxml2, libxslt
+, fontconfig, gdk_pixbuf, gtk2, libwebp, libxml2, libxslt
 , sqlite, systemd, glib, gst_all_1
 , bison2, flex, gdb, gperf, perl, pkgconfig, python, ruby
 , substituteAll
@@ -18,12 +18,12 @@ qtSubmodule {
   patches =
     let dlopen-webkit-nsplugin = substituteAll {
           src = ./0001-dlopen-webkit-nsplugin.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
           gdk_pixbuf = gdk_pixbuf.out;
         };
         dlopen-webkit-gtk = substituteAll {
           src = ./0002-dlopen-webkit-gtk.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
         };
         dlopen-webkit-udev = substituteAll {
           src = ./0003-dlopen-webkit-udev.patch;
diff --git a/pkgs/development/libraries/qt-5/5.6/qtwebkit/default.nix b/pkgs/development/libraries/qt-5/5.6/qtwebkit/default.nix
index 46f47b41535..683bb031e95 100644
--- a/pkgs/development/libraries/qt-5/5.6/qtwebkit/default.nix
+++ b/pkgs/development/libraries/qt-5/5.6/qtwebkit/default.nix
@@ -1,5 +1,5 @@
 { qtSubmodule, stdenv, qtdeclarative, qtlocation, qtsensors
-, fontconfig, gdk_pixbuf, gtk, libwebp, libxml2, libxslt
+, fontconfig, gdk_pixbuf, gtk2, libwebp, libxml2, libxslt
 , sqlite, systemd, glib, gst_all_1
 , bison2, flex, gdb, gperf, perl, pkgconfig, python, ruby
 , substituteAll
@@ -18,12 +18,12 @@ qtSubmodule {
   patches =
     let dlopen-webkit-nsplugin = substituteAll {
           src = ./0001-dlopen-webkit-nsplugin.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
           gdk_pixbuf = gdk_pixbuf.out;
         };
         dlopen-webkit-gtk = substituteAll {
           src = ./0002-dlopen-webkit-gtk.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
         };
         dlopen-webkit-udev = substituteAll {
           src = ./0003-dlopen-webkit-udev.patch;
diff --git a/pkgs/development/libraries/qt-5/5.7/qtwebkit/default.nix b/pkgs/development/libraries/qt-5/5.7/qtwebkit/default.nix
index 46f47b41535..683bb031e95 100644
--- a/pkgs/development/libraries/qt-5/5.7/qtwebkit/default.nix
+++ b/pkgs/development/libraries/qt-5/5.7/qtwebkit/default.nix
@@ -1,5 +1,5 @@
 { qtSubmodule, stdenv, qtdeclarative, qtlocation, qtsensors
-, fontconfig, gdk_pixbuf, gtk, libwebp, libxml2, libxslt
+, fontconfig, gdk_pixbuf, gtk2, libwebp, libxml2, libxslt
 , sqlite, systemd, glib, gst_all_1
 , bison2, flex, gdb, gperf, perl, pkgconfig, python, ruby
 , substituteAll
@@ -18,12 +18,12 @@ qtSubmodule {
   patches =
     let dlopen-webkit-nsplugin = substituteAll {
           src = ./0001-dlopen-webkit-nsplugin.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
           gdk_pixbuf = gdk_pixbuf.out;
         };
         dlopen-webkit-gtk = substituteAll {
           src = ./0002-dlopen-webkit-gtk.patch;
-          gtk = gtk.out;
+          gtk = gtk2.out;
         };
         dlopen-webkit-udev = substituteAll {
           src = ./0003-dlopen-webkit-udev.patch;
diff --git a/pkgs/development/libraries/smpeg/default.nix b/pkgs/development/libraries/smpeg/default.nix
index 77a74c4e844..6803dfd76de 100644
--- a/pkgs/development/libraries/smpeg/default.nix
+++ b/pkgs/development/libraries/smpeg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchsvn, SDL, autoconf, automake, libtool, gtk, m4, pkgconfig, mesa, makeWrapper }:
+{ stdenv, fetchsvn, SDL, autoconf, automake, libtool, gtk2, m4, pkgconfig, mesa, makeWrapper }:
 
 stdenv.mkDerivation rec {
   name = "smpeg-svn${version}";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  buildInputs = [ SDL gtk mesa ];
+  buildInputs = [ SDL gtk2 mesa ];
 
   nativeBuildInputs = [ autoconf automake libtool m4 pkgconfig makeWrapper ];
 
diff --git a/pkgs/development/libraries/spice-gtk/default.nix b/pkgs/development/libraries/spice-gtk/default.nix
index 0ef024424b2..3034370e4ea 100644
--- a/pkgs/development/libraries/spice-gtk/default.nix
+++ b/pkgs/development/libraries/spice-gtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, spice_protocol, intltool, celt_0_5_1
+{ stdenv, fetchurl, pkgconfig, gtk2, spice_protocol, intltool, celt_0_5_1
 , openssl, libpulseaudio, pixman, gobjectIntrospection, libjpeg_turbo, zlib
 , cyrus_sasl, python, pygtk, autoreconfHook, usbredir, libsoup
 , gtk3, enableGTK3 ? false }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     spice_protocol celt_0_5_1 openssl libpulseaudio pixman gobjectIntrospection
     libjpeg_turbo zlib cyrus_sasl python pygtk usbredir
-  ] ++ (if enableGTK3 then [ gtk3 ] else [ gtk ]);
+  ] ++ (if enableGTK3 then [ gtk3 ] else [ gtk2 ]);
 
   nativeBuildInputs = [ pkgconfig intltool libsoup autoreconfHook ];
 
diff --git a/pkgs/development/libraries/wxGTK-2.8/default.nix b/pkgs/development/libraries/wxGTK-2.8/default.nix
index 7396b700955..c4530da5453 100644
--- a/pkgs/development/libraries/wxGTK-2.8/default.nix
+++ b/pkgs/development/libraries/wxGTK-2.8/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
+{ stdenv, fetchurl, pkgconfig, gtk2, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
 , gstreamer, gst_plugins_base, GConf, libX11, cairo
 , withMesa ? true, mesa ? null, compat24 ? false, compat26 ? true, unicode ? true,
 }:
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "1l1w4i113csv3bd5r8ybyj0qpxdq83lj6jrc5p7cc10mkwyiagqz";
   };
 
-  buildInputs = [ gtk libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer gst_plugins_base GConf libX11 cairo ]
+  buildInputs = [ gtk2 libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer gst_plugins_base GConf libX11 cairo ]
     ++ optional withMesa mesa;
 
   nativeBuildInputs = [ pkgconfig ];
@@ -56,7 +56,10 @@ stdenv.mkDerivation rec {
     (cd $out/include && ln -s wx-*/* .)
   ";
 
-  passthru = {inherit gtk compat24 compat26 unicode;};
+  passthru = {
+    inherit compat24 compat26 unicode;
+    gtk = gtk2;
+  };
 
   enableParallelBuilding = true;
   
diff --git a/pkgs/development/libraries/wxGTK-2.9/default.nix b/pkgs/development/libraries/wxGTK-2.9/default.nix
index d9f0dcc1b0f..82ba9daed80 100644
--- a/pkgs/development/libraries/wxGTK-2.9/default.nix
+++ b/pkgs/development/libraries/wxGTK-2.9/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
+{ stdenv, fetchurl, pkgconfig, gtk2, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
 , gstreamer, gst_plugins_base, GConf, setfile
 , withMesa ? true, mesa ? null, compat24 ? false, compat26 ? true, unicode ? true,
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs =
-    [ gtk libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer
+    [ gtk2 libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer
       gst_plugins_base GConf ]
     ++ optional withMesa mesa
     ++ optional stdenv.isDarwin setfile;
@@ -52,7 +52,10 @@ stdenv.mkDerivation {
     (cd $out/include && ln -s wx-*/* .)
   ";
 
-  passthru = {inherit gtk compat24 compat26 unicode;};
+  passthru = {
+    inherit compat24 compat26 unicode;
+    gtk = gtk2;
+  };
 
   enableParallelBuilding = true;
   
diff --git a/pkgs/development/libraries/wxGTK-3.0/default.nix b/pkgs/development/libraries/wxGTK-3.0/default.nix
index bdb0032a85a..087e93b0e05 100644
--- a/pkgs/development/libraries/wxGTK-3.0/default.nix
+++ b/pkgs/development/libraries/wxGTK-3.0/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
+{ stdenv, fetchurl, pkgconfig, gtk2, libXinerama, libSM, libXxf86vm, xf86vidmodeproto
 , gstreamer, gst_plugins_base, GConf, setfile
 , withMesa ? true, mesa ? null, compat24 ? false, compat26 ? true, unicode ? true,
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs =
-    [ gtk libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer
+    [ gtk2 libXinerama libSM libXxf86vm xf86vidmodeproto gstreamer
       gst_plugins_base GConf ]
     ++ optional withMesa mesa
     ++ optional stdenv.isDarwin setfile;
@@ -52,7 +52,10 @@ stdenv.mkDerivation {
     (cd $out/include && ln -s wx-*/* .)
   ";
 
-  passthru = {inherit gtk compat24 compat26 unicode;};
+  passthru = {
+    inherit compat24 compat26 unicode;
+    gtk = gtk2;
+  };
 
   enableParallelBuilding = true;
   
diff --git a/pkgs/development/mobile/androidenv/androidsdk.nix b/pkgs/development/mobile/androidenv/androidsdk.nix
index a0ecb641f08..b9db22f20c5 100644
--- a/pkgs/development/mobile/androidenv/androidsdk.nix
+++ b/pkgs/development/mobile/androidenv/androidsdk.nix
@@ -1,7 +1,7 @@
 { stdenv, stdenv_32bit, fetchurl, unzip, makeWrapper
 , platformTools, buildTools, support, supportRepository, platforms, sysimages, addons
 , libX11, libXext, libXrender, libxcb, libXau, libXdmcp, libXtst, mesa, alsaLib
-, freetype, fontconfig, glib, gtk, atk, file, jdk, coreutils, libpulseaudio, dbus
+, freetype, fontconfig, glib, gtk2, atk, file, jdk, coreutils, libpulseaudio, dbus
 , zlib, glxinfo, xkeyboardconfig
 }:
 { platformVersions, abiVersions, useGoogleAPIs, useExtraSupportLibs ? false, useGooglePlayServices ? false }:
@@ -67,15 +67,15 @@ stdenv.mkDerivation rec {
       
       wrapProgram `pwd`/android \
         --prefix PATH : ${jdk}/bin \
-        --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ glib gtk libXtst ]}
+        --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ glib gtk2 libXtst ]}
     
       wrapProgram `pwd`/uiautomatorviewer \
         --prefix PATH : ${jdk}/bin \
-        --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk libXtst ]}
+        --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk2 libXtst ]}
     
       wrapProgram `pwd`/hierarchyviewer \
         --prefix PATH : ${jdk}/bin \
-        --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk libXtst ]}
+        --prefix LD_LIBRARY_PATH : ${stdenv.lib.makeLibraryPath [ glib gtk2 libXtst ]}
       
       # The emulators need additional libraries, which are dynamically loaded => let's wrap them
 
@@ -101,7 +101,7 @@ stdenv.mkDerivation rec {
         patchelf --set-rpath ${makeLibraryPath [ libX11 libXext libXrender freetype fontconfig ]} libcairo-swt.so
         
         wrapProgram `pwd`/monitor \
-          --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ gtk atk stdenv.cc.cc libXtst ]}
+          --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ gtk2 atk stdenv.cc.cc libXtst ]}
 
         cd ../..
       ''
@@ -114,7 +114,7 @@ stdenv.mkDerivation rec {
         patchelf --set-rpath ${makeLibraryPath [ libX11 libXext libXrender freetype fontconfig ]} libcairo-swt.so
         
         wrapProgram `pwd`/monitor \
-          --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ gtk atk stdenv.cc.cc libXtst ]}
+          --prefix LD_LIBRARY_PATH : ${makeLibraryPath [ gtk2 atk stdenv.cc.cc libXtst ]}
 
         cd ../..
       ''
diff --git a/pkgs/development/mobile/androidenv/default.nix b/pkgs/development/mobile/androidenv/default.nix
index 5a5eb1ab51b..dfed411f0b3 100644
--- a/pkgs/development/mobile/androidenv/default.nix
+++ b/pkgs/development/mobile/androidenv/default.nix
@@ -40,7 +40,7 @@ rec {
 
   androidsdk = import ./androidsdk.nix {
     inherit (pkgs) stdenv fetchurl unzip makeWrapper;
-    inherit (pkgs) zlib glxinfo freetype fontconfig glib gtk atk mesa file alsaLib jdk coreutils libpulseaudio dbus;
+    inherit (pkgs) zlib glxinfo freetype fontconfig glib gtk2 atk mesa file alsaLib jdk coreutils libpulseaudio dbus;
     inherit (pkgs.xorg) libX11 libXext libXrender libxcb libXau libXdmcp libXtst xkeyboardconfig;
     
     inherit platformTools buildTools support supportRepository platforms sysimages addons;
diff --git a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
index bc4b490e853..3b6ff64daea 100644
--- a/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/2.14.0.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ocaml, findlib, pkgconfig, gtk, libgnomecanvas, libglade, gtksourceview, camlp4 }:
+{ stdenv, fetchurl, ocaml, findlib, pkgconfig, gtk2, libgnomecanvas, libglade, gtksourceview, camlp4 }:
 
 let
   ocaml_version = (builtins.parseDrvName ocaml.name).version;
@@ -14,7 +14,7 @@ stdenv.mkDerivation (rec {
     sha256 = "1fnh0amm7lwgyjdhmlqgsp62gwlar1140425yc1j6inwmgnsp0a9";
   };
 
-  buildInputs = [ ocaml findlib pkgconfig gtk libgnomecanvas libglade gtksourceview camlp4 ];
+  buildInputs = [ ocaml findlib pkgconfig gtk2 libgnomecanvas libglade gtksourceview camlp4 ];
 
   configureFlags = "--with-libdir=$(out)/lib/ocaml/${ocaml_version}/site-lib";
   buildFlags = "world";
diff --git a/pkgs/development/ocaml-modules/lablgtk/default.nix b/pkgs/development/ocaml-modules/lablgtk/default.nix
index a4d4314cd02..0e5772632d5 100644
--- a/pkgs/development/ocaml-modules/lablgtk/default.nix
+++ b/pkgs/development/ocaml-modules/lablgtk/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, ocaml, findlib, pkgconfig, gtk, libgnomecanvas, libglade, gtksourceview, camlp4}:
+{stdenv, fetchurl, ocaml, findlib, pkgconfig, gtk2, libgnomecanvas, libglade, gtksourceview, camlp4}:
 
 let
   ocaml_version = (builtins.parseDrvName ocaml.name).version;
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     sha256 = "1bybn3jafxf4cx25zvn8h2xj9agn1xjbn7j3ywxxqx6az7rfnnwp";
   };
 
-  buildInputs = [ocaml findlib pkgconfig gtk libgnomecanvas libglade gtksourceview camlp4];
+  buildInputs = [ocaml findlib pkgconfig gtk2 libgnomecanvas libglade gtksourceview camlp4];
 
   configureFlags = "--with-libdir=$(out)/lib/ocaml/${ocaml_version}/site-lib";
   buildFlags = "world";
diff --git a/pkgs/development/ocaml-modules/ocaml-cairo/default.nix b/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
index f4076fbd95f..8ee51ed311f 100644
--- a/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-cairo/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, automake, ocaml, autoconf, gnum4, pkgconfig, freetype, lablgtk, unzip, cairo, findlib, gdk_pixbuf, glib, gtk, pango }:
+{stdenv, fetchurl, automake, ocaml, autoconf, gnum4, pkgconfig, freetype, lablgtk, unzip, cairo, findlib, gdk_pixbuf, glib, gtk2, pango }:
 
 let
   ocaml_version = (builtins.parseDrvName ocaml.name).version;
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
   patches = [ ./META.patch ];
 
   buildInputs = [ ocaml automake gnum4 autoconf unzip pkgconfig
-                  findlib freetype lablgtk cairo gdk_pixbuf gtk pango ];
+                  findlib freetype lablgtk cairo gdk_pixbuf gtk2 pango ];
 
   createFindlibDestdir = true;
 
diff --git a/pkgs/development/ocaml-modules/ocaml-cairo2/default.nix b/pkgs/development/ocaml-modules/ocaml-cairo2/default.nix
index 6b9f6f09ea3..204adeb9451 100644
--- a/pkgs/development/ocaml-modules/ocaml-cairo2/default.nix
+++ b/pkgs/development/ocaml-modules/ocaml-cairo2/default.nix
@@ -1,7 +1,7 @@
-{ stdenv, fetchurl, ocaml, findlib, pkgconfig, cairo, lablgtk, gtk,
+{ stdenv, fetchurl, ocaml, findlib, pkgconfig, cairo, lablgtk, gtk2,
   enableGtkSupport ? true # Whether to compile with support for Gtk
                           # integration (library file cairo2_gtk). Depends
-                          # on lablgtk and gtk.
+                          # on lablgtk and gtk2.
 }:
 
 let
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs = [ ocaml findlib pkgconfig cairo ]
-                ++ optionals enableGtkSupport [ gtk ];
+                ++ optionals enableGtkSupport [ gtk2 ];
 
   # lablgtk2 is marked as a propagated build input since loading the
   # cairo.lablgtk2 package from the toplevel tries to load lablgtk2 as
diff --git a/pkgs/development/python-modules/libsexy/default.nix b/pkgs/development/python-modules/libsexy/default.nix
index cdf5a73768d..52a2c586f85 100644
--- a/pkgs/development/python-modules/libsexy/default.nix
+++ b/pkgs/development/python-modules/libsexy/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, buildPythonPackage, libsexy, pkgconfig, libxml2, pygtk, pango, gtk, glib, }:
+{ stdenv, fetchurl, buildPythonPackage, libsexy, pkgconfig, libxml2, pygtk, pango, gtk2, glib, }:
 
 stdenv.mkDerivation rec {
   name = "python-libsexy-${version}";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   ];
 
   propagatedBuildInputs = [
-    libsexy gtk glib pango libxml2
+    libsexy gtk2 glib pango libxml2
   ];
 
   postInstall = ''
diff --git a/pkgs/development/python-modules/pygtk/default.nix b/pkgs/development/python-modules/pygtk/default.nix
index 5354d9750f4..7d0896c1fb8 100644
--- a/pkgs/development/python-modules/pygtk/default.nix
+++ b/pkgs/development/python-modules/pygtk/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, python, pkgconfig, gtk, pygobject, pycairo
+{ stdenv, fetchurl, python, pkgconfig, gtk2, pygobject2, pycairo
 , buildPythonPackage, libglade ? null, isPy3k }:
 
 buildPythonPackage rec {
@@ -14,7 +14,7 @@ buildPythonPackage rec {
   buildInputs = [ pkgconfig ]
     ++ stdenv.lib.optional (libglade != null) libglade;
 
-  propagatedBuildInputs = [ gtk pygobject pycairo ];
+  propagatedBuildInputs = [ gtk2 pygobject2 pycairo ];
 
   configurePhase = "configurePhase";
 
@@ -43,8 +43,8 @@ buildPythonPackage rec {
 
   postInstall = ''
     rm $out/bin/pygtk-codegen-2.0
-    ln -s ${pygobject}/bin/pygobject-codegen-2.0  $out/bin/pygtk-codegen-2.0
-    ln -s ${pygobject}/lib/${python.libPrefix}/site-packages/pygobject-${pygobject.version}.pth \
+    ln -s ${pygobject2}/bin/pygobject-codegen-2.0  $out/bin/pygtk-codegen-2.0
+    ln -s ${pygobject2}/lib/${python.libPrefix}/site-packages/pygobject-${pygobject2.version}.pth \
                   $out/lib/${python.libPrefix}/site-packages/${name}.pth
   '';
 }
diff --git a/pkgs/development/python-modules/pygtksourceview/default.nix b/pkgs/development/python-modules/pygtksourceview/default.nix
index 1c248251a32..133cbdb34fd 100644
--- a/pkgs/development/python-modules/pygtksourceview/default.nix
+++ b/pkgs/development/python-modules/pygtksourceview/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, python, mkPythonDerivation, pkgconfig, pygobject, glib, pygtk, gnome2 }:
+{ lib, fetchurl, python, mkPythonDerivation, pkgconfig, pygobject2, glib, pygtk, gnome2 }:
 
 let version = "2.10.1"; in
 
@@ -12,7 +12,7 @@ mkPythonDerivation {
 
   patches = [ ./codegendir.patch ];
 
-  buildInputs = [ python pkgconfig pygobject glib pygtk gnome2.gtksourceview ];
+  buildInputs = [ python pkgconfig pygobject2 glib pygtk gnome2.gtksourceview ];
 
   meta = {
     platforms = lib.platforms.unix;
diff --git a/pkgs/development/tools/java/visualvm/default.nix b/pkgs/development/tools/java/visualvm/default.nix
index 2620a5b7741..29d2f13ca9a 100644
--- a/pkgs/development/tools/java/visualvm/default.nix
+++ b/pkgs/development/tools/java/visualvm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchzip, lib, makeWrapper, jdk, gtk }:
+{ stdenv, fetchzip, lib, makeWrapper, jdk, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "visualvm-1.3.8";
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
 
     # To get the native LAF, JVM needs to see GTK’s .so-s.
     wrapProgram $out/bin/visualvm \
-      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ gtk ]}"
+      --prefix LD_LIBRARY_PATH : "${lib.makeLibraryPath [ gtk2 ]}"
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/tools/misc/distcc/default.nix b/pkgs/development/tools/misc/distcc/default.nix
index 7a2796b48ca..32e212a0921 100644
--- a/pkgs/development/tools/misc/distcc/default.nix
+++ b/pkgs/development/tools/misc/distcc/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, popt, avahi, pkgconfig, python, gtk, runCommand
+{ stdenv, fetchFromGitHub, popt, avahi, pkgconfig, python, gtk2, runCommand
 , gcc, autoconf, automake, which, procps, libiberty_static
 , sysconfDir ? ""   # set this parameter to override the default value $out/etc
 , static ? false
@@ -16,7 +16,7 @@ let
       sha256 = "1vj31wcdas8wy52hy6749mlrca9v6ynycdiigx5ay8pnya9z73c6";
     };
 
-    buildInputs = [popt avahi pkgconfig python gtk autoconf automake pkgconfig which procps libiberty_static];
+    buildInputs = [popt avahi pkgconfig python gtk2 autoconf automake pkgconfig which procps libiberty_static];
     preConfigure =
     ''
       export CPATH=$(ls -d ${gcc.cc}/lib/gcc/*/${gcc.cc.version}/plugin/include)
@@ -28,7 +28,7 @@ let
                             ${if static then "LDFLAGS=-static" else ""}
                             --with${if static == true || popt == null then "" else "out"}-included-popt
                             --with${if avahi != null then "" else "out"}-avahi
-                            --with${if gtk != null then "" else "out"}-gtk
+                            --with${if gtk2 != null then "" else "out"}-gtk
                             --without-gnome
                             --enable-rfc2553
                             --disable-Werror   # a must on gcc 4.6
diff --git a/pkgs/development/tools/misc/gtkdialog/default.nix b/pkgs/development/tools/misc/gtkdialog/default.nix
index b9d03445286..2641a1ed04f 100644
--- a/pkgs/development/tools/misc/gtkdialog/default.nix
+++ b/pkgs/development/tools/misc/gtkdialog/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, pkgconfig, hicolor_icon_theme }:
+{stdenv, fetchurl, gtk2, pkgconfig, hicolor_icon_theme }:
 
 stdenv.mkDerivation {
   name = "gtkdialog-0.8.3";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "ff89d2d7f1e6488e5df5f895716ac1d4198c2467a2a5dc1f51ab408a2faec38e";
   };
 
-  buildInputs = [ gtk pkgconfig hicolor_icon_theme ];
+  buildInputs = [ gtk2 pkgconfig hicolor_icon_theme ];
 
   meta = {
     homepage = http://gtkdialog.googlecode.com/;
diff --git a/pkgs/development/tools/misc/saleae-logic/default.nix b/pkgs/development/tools/misc/saleae-logic/default.nix
index cd027c7b08d..50e35928bba 100644
--- a/pkgs/development/tools/misc/saleae-logic/default.nix
+++ b/pkgs/development/tools/misc/saleae-logic/default.nix
@@ -6,7 +6,7 @@
 #
 # In NixOS, simply add this package to services.udev.packages.
 
-{ stdenv, fetchurl, unzip, glib, libSM, libICE, gtk, libXext, libXft
+{ stdenv, fetchurl, unzip, glib, libSM, libICE, gtk2, libXext, libXft
 , fontconfig, libXrender, libXfixes, libX11, libXi, libXrandr, libXcursor
 , freetype, libXinerama, libxcb, zlib, pciutils
 , makeDesktopItem, xkeyboardconfig
@@ -15,7 +15,7 @@
 let
 
   libPath = stdenv.lib.makeLibraryPath [
-    glib libSM libICE gtk libXext libXft fontconfig libXrender libXfixes libX11
+    glib libSM libICE gtk2 libXext libXft fontconfig libXrender libXfixes libX11
     libXi libXrandr libXcursor freetype libXinerama libxcb zlib stdenv.cc.cc.lib
   ];
 
diff --git a/pkgs/development/tools/node-webkit/nw11.nix b/pkgs/development/tools/node-webkit/nw11.nix
index 1fcda13dab8..5028ac9580c 100644
--- a/pkgs/development/tools/node-webkit/nw11.nix
+++ b/pkgs/development/tools/node-webkit/nw11.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, buildEnv, makeWrapper
-, xorg, alsaLib, dbus, glib, gtk, atk, pango, freetype, fontconfig
+, xorg, alsaLib, dbus, glib, gtk2, atk, pango, freetype, fontconfig
 , gdk_pixbuf, cairo, zlib, nss, nssTools, nspr, gconf, expat, systemd, libcap
 , libnotify}:
 let
@@ -9,7 +9,7 @@ let
   nwEnv = buildEnv {
     name = "node-webkit-env";
     paths = [
-      xorg.libX11 xorg.libXrender glib gtk atk pango cairo gdk_pixbuf
+      xorg.libX11 xorg.libXrender glib gtk2 atk pango cairo gdk_pixbuf
       freetype fontconfig xorg.libXcomposite alsaLib xorg.libXdamage
       xorg.libXext xorg.libXfixes nss nspr gconf expat dbus stdenv.cc
       xorg.libXtst xorg.libXi xorg.libXcursor xorg.libXrandr libcap
diff --git a/pkgs/development/tools/node-webkit/nw12.nix b/pkgs/development/tools/node-webkit/nw12.nix
index 18fdf7bca3b..30c40331a0f 100644
--- a/pkgs/development/tools/node-webkit/nw12.nix
+++ b/pkgs/development/tools/node-webkit/nw12.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, buildEnv, makeWrapper
-, xorg, alsaLib, dbus, glib, gtk, atk, pango, freetype, fontconfig
+, xorg, alsaLib, dbus, glib, gtk2, atk, pango, freetype, fontconfig
 , gdk_pixbuf, cairo, zlib, nss, nssTools, nspr, gconf, expat, systemd, libcap
 , libnotify}:
 let
@@ -9,7 +9,7 @@ let
   nwEnv = buildEnv {
     name = "nwjs-env";
     paths = [
-      xorg.libX11 xorg.libXrender glib gtk atk pango cairo gdk_pixbuf
+      xorg.libX11 xorg.libXrender glib gtk2 atk pango cairo gdk_pixbuf
       freetype fontconfig xorg.libXcomposite alsaLib xorg.libXdamage
       xorg.libXext xorg.libXfixes nss nspr gconf expat dbus
       xorg.libXtst xorg.libXi xorg.libXcursor xorg.libXrandr libcap
diff --git a/pkgs/development/tools/node-webkit/nw9.nix b/pkgs/development/tools/node-webkit/nw9.nix
index db5d6ee6b6f..ba5d6c8e334 100644
--- a/pkgs/development/tools/node-webkit/nw9.nix
+++ b/pkgs/development/tools/node-webkit/nw9.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, buildEnv, makeWrapper
-, xorg, alsaLib, dbus, glib, gtk, atk, pango, freetype, fontconfig
+, xorg, alsaLib, dbus, glib, gtk2, atk, pango, freetype, fontconfig
 , gdk_pixbuf, cairo, zlib, nss, nssTools, nspr, gconf, expat, systemd }:
 let
   bits = if stdenv.system == "x86_64-linux" then "x64"
@@ -8,7 +8,7 @@ let
   nwEnv = buildEnv {
     name = "node-webkit-env";
     paths = [
-      xorg.libX11 xorg.libXrender glib gtk atk pango cairo gdk_pixbuf
+      xorg.libX11 xorg.libXrender glib gtk2 atk pango cairo gdk_pixbuf
       freetype fontconfig xorg.libXcomposite alsaLib xorg.libXdamage
       xorg.libXext xorg.libXfixes nss nspr gconf expat dbus stdenv.cc.cc
       xorg.libXtst xorg.libXi
diff --git a/pkgs/development/tools/profiling/sysprof/default.nix b/pkgs/development/tools/profiling/sysprof/default.nix
index e3dc3d77abc..4be334e20ed 100644
--- a/pkgs/development/tools/profiling/sysprof/default.nix
+++ b/pkgs/development/tools/profiling/sysprof/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, binutils
-, pkgconfig, gtk, glib, pango, libglade }:
+, pkgconfig, gtk2, glib, pango, libglade }:
 
 stdenv.mkDerivation rec {
   name = "sysprof-1.2.0";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1wb4d844rsy8qjg3z5m6rnfm72da4xwzrrkkb1q5r10sq1pkrw5s";
   };
 
-  buildInputs = [ binutils pkgconfig gtk glib pango libglade ];
+  buildInputs = [ binutils pkgconfig gtk2 glib pango libglade ];
 
   meta = {
     homepage = http://sysprof.com/;
diff --git a/pkgs/development/tools/selenium/chromedriver/default.nix b/pkgs/development/tools/selenium/chromedriver/default.nix
index 1f2153bf337..6a10f73cfe4 100644
--- a/pkgs/development/tools/selenium/chromedriver/default.nix
+++ b/pkgs/development/tools/selenium/chromedriver/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, cairo, fontconfig, freetype, gdk_pixbuf, glib
-, glibc, gtk, libX11, makeWrapper, nspr, nss, pango, unzip, gconf
+, glibc, gtk2, libX11, makeWrapper, nspr, nss, pango, unzip, gconf
 , libXi, libXrender, libXext
 }:
 
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     mv chromedriver $out/bin
     patchelf --set-interpreter ${glibc.out}/lib/ld-linux-x86-64.so.2 $out/bin/chromedriver
     wrapProgram "$out/bin/chromedriver" \
-      --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib cairo fontconfig freetype gdk_pixbuf glib gtk libX11 nspr nss pango libXrender gconf libXext libXi ]}:\$LD_LIBRARY_PATH"
+      --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib cairo fontconfig freetype gdk_pixbuf glib gtk2 libX11 nspr nss pango libXrender gconf libXext libXi ]}:\$LD_LIBRARY_PATH"
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/tools/thrust/default.nix b/pkgs/development/tools/thrust/default.nix
index a59d656b625..91a01edc23a 100644
--- a/pkgs/development/tools/thrust/default.nix
+++ b/pkgs/development/tools/thrust/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, buildEnv, makeWrapper, glib, alsaLib , dbus, gtk, atk
+{ stdenv, fetchurl, buildEnv, makeWrapper, glib, alsaLib , dbus, gtk2, atk
 , pango, freetype, fontconfig, gdk_pixbuf , cairo, cups, expat, nspr, gconf, nss
 , xorg, libcap, unzip
 }:
@@ -7,7 +7,7 @@ let
   thrustEnv = buildEnv {
     name = "env-thrust";
     paths = [
-      stdenv.cc.cc glib dbus gtk atk pango freetype fontconfig gdk_pixbuf
+      stdenv.cc.cc glib dbus gtk2 atk pango freetype fontconfig gdk_pixbuf
       cairo cups expat alsaLib nspr gconf nss xorg.libXrender xorg.libX11
       xorg.libXext xorg.libXdamage xorg.libXtst xorg.libXcomposite
       xorg.libXi xorg.libXfixes xorg.libXrandr xorg.libXcursor libcap
diff --git a/pkgs/development/tools/unity3d/default.nix b/pkgs/development/tools/unity3d/default.nix
index 0a72e6bb91e..b2c96beeeb3 100644
--- a/pkgs/development/tools/unity3d/default.nix
+++ b/pkgs/development/tools/unity3d/default.nix
@@ -4,7 +4,7 @@
 , cairo, dbus, expat, zlib, libpng12, nodejs, gnutar, gcc, gcc_32bit
 , libX11, libXcursor, libXdamage, libXfixes, libXrender, libXi
 , libXcomposite, libXext, libXrandr, libXtst, libSM, libICE, libxcb
-, mono, libgnomeui, gnome_vfs, gnome-sharp, gtk-sharp, chromium
+, mono, libgnomeui, gnome_vfs, gnome-sharp, gtk-sharp-2_0, chromium
 }:
 
 let
@@ -19,10 +19,10 @@ let
   binPath = lib.makeBinPath [ nodejs gnutar ];
   developBinPath = lib.makeBinPath [ mono ];
   developLibPath = lib.makeLibraryPath [
-    glib libgnomeui gnome_vfs gnome-sharp gtk-sharp gtk-sharp.gtk
+    glib libgnomeui gnome_vfs gnome-sharp gtk-sharp-2_0 gtk-sharp-2_0.gtk
   ];
   developDotnetPath = lib.concatStringsSep ":" [
-    gnome-sharp gtk-sharp
+    gnome-sharp gtk-sharp-2_0
   ];
 
   ver = "5.3.5";
diff --git a/pkgs/games/ckan/default.nix b/pkgs/games/ckan/default.nix
index 1d151b66920..47ab73ca269 100644
--- a/pkgs/games/ckan/default.nix
+++ b/pkgs/games/ckan/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, makeWrapper, perl, mono, gtk, curl }:
+{ stdenv, fetchFromGitHub, makeWrapper, perl, mono, gtk2, curl }:
 
 stdenv.mkDerivation rec {
   name = "ckan-${version}";
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   doCheck = false;
   checkTarget = "test";
 
-  libraries = stdenv.lib.makeLibraryPath [ gtk curl ];
+  libraries = stdenv.lib.makeLibraryPath [ gtk2 curl ];
 
   installPhase = ''
     mkdir -p $out/bin
diff --git a/pkgs/games/crack-attack/default.nix b/pkgs/games/crack-attack/default.nix
index eb20c0b329e..2044782c1bd 100644
--- a/pkgs/games/crack-attack/default.nix
+++ b/pkgs/games/crack-attack/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, freeglut, SDL, mesa, libXi, libXmu}:
+{ stdenv, fetchurl, pkgconfig, gtk2, freeglut, SDL, mesa, libXi, libXmu}:
 
 stdenv.mkDerivation {
   name = "crack-attack-1.1.14";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "1sakj9a2q05brpd7lkqxi8q30bccycdzd96ns00s6jbxrzjlijkm";
   };
 
-  buildInputs = [ pkgconfig gtk freeglut SDL mesa libXi libXmu ];
+  buildInputs = [ pkgconfig gtk2 freeglut SDL mesa libXi libXmu ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/games/eboard/default.nix b/pkgs/games/eboard/default.nix
index 7915822589c..bed3abccf9b 100644
--- a/pkgs/games/eboard/default.nix
+++ b/pkgs/games/eboard/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, perl, pkgconfig, gtk }:
+{ stdenv, fetchurl, perl, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation {
   name = "eboard-1.1.1";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   patches = [ ./eboard.patch ];
 
-  buildInputs = [ gtk ];
+  buildInputs = [ gtk2 ];
   nativeBuildInputs = [ perl pkgconfig ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/games/eduke32/default.nix b/pkgs/games/eduke32/default.nix
index 69d87411da6..519b7c2ac24 100644
--- a/pkgs/games/eduke32/default.nix
+++ b/pkgs/games/eduke32/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, flac, gtk, libvorbis, libvpx, makeDesktopItem, mesa, nasm
+{ stdenv, fetchurl, flac, gtk2, libvorbis, libvpx, makeDesktopItem, mesa, nasm
 , pkgconfig, SDL2, SDL2_mixer }:
 
 let
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1nlq5jbglg00c1z1vsyl627fh0mqfxvk5qyxav5vzla2b4svik2v";
   };
 
-  buildInputs = [ flac gtk libvorbis libvpx mesa SDL2 SDL2_mixer ]
+  buildInputs = [ flac gtk2 libvorbis libvpx mesa SDL2 SDL2_mixer ]
     ++ stdenv.lib.optional (stdenv.system == "i686-linux") nasm;
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/games/freeciv/default.nix b/pkgs/games/freeciv/default.nix
index af785d0e4a9..b5619644bd8 100644
--- a/pkgs/games/freeciv/default.nix
+++ b/pkgs/games/freeciv/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, zlib, bzip2, pkgconfig, curl, lzma, gettext
 , sdlClient ? true, SDL, SDL_mixer, SDL_image, SDL_ttf, SDL_gfx, freetype, fluidsynth
-, gtkClient ? false, gtk
+, gtkClient ? false, gtk2
 , server ? true, readline }:
 
 let
@@ -24,7 +24,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ zlib bzip2 curl lzma gettext ]
     ++ optionals sdlClient [ SDL SDL_mixer SDL_image SDL_ttf SDL_gfx freetype fluidsynth ]
-    ++ optionals gtkClient [ gtk ]
+    ++ optionals gtkClient [ gtk2 ]
     ++ optional server readline;
 
   configureFlags = []
diff --git a/pkgs/games/fsg/default.nix b/pkgs/games/fsg/default.nix
index f6f52aabb6b..4269d3a74db 100644
--- a/pkgs/games/fsg/default.nix
+++ b/pkgs/games/fsg/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, glib, pkgconfig, mesa, wxGTK, libX11, xproto }:
+{ stdenv, fetchurl, gtk2, glib, pkgconfig, mesa, wxGTK, libX11, xproto }:
 
 stdenv.mkDerivation {
   name = "fsg-4.4";
@@ -10,7 +10,7 @@ stdenv.mkDerivation {
 
   hardeningDisable = [ "format" ];
 
-  buildInputs = [ gtk glib pkgconfig mesa wxGTK libX11 xproto ];
+  buildInputs = [ gtk2 glib pkgconfig mesa wxGTK libX11 xproto ];
 
   preBuild = ''
     sed -e '
diff --git a/pkgs/games/pioneers/default.nix b/pkgs/games/pioneers/default.nix
index 3f1735c31aa..254b65cc4d9 100644
--- a/pkgs/games/pioneers/default.nix
+++ b/pkgs/games/pioneers/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, gtk, pkgconfig, intltool } :
+{stdenv, fetchurl, gtk2, pkgconfig, intltool } :
 
 stdenv.mkDerivation rec {
   name = "pioneers-0.12.3";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     sha256 = "1yqypk5wmia8fqyrg9mn9xw6yfd0fpkxj1355csw1hgx8mh44y1d";
   };
 
-  buildInputs = [ gtk pkgconfig intltool ];
+  buildInputs = [ gtk2 pkgconfig intltool ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/games/planetaryannihilation/default.nix b/pkgs/games/planetaryannihilation/default.nix
index 5e5da9497e5..bd7e1188928 100644
--- a/pkgs/games/planetaryannihilation/default.nix
+++ b/pkgs/games/planetaryannihilation/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, config, fetchurl, patchelf, makeWrapper, gtk, glib, udev, alsaLib, atk
+{ stdenv, config, fetchurl, patchelf, makeWrapper, gtk2, glib, udev, alsaLib, atk
 , nspr, fontconfig, cairo, pango, nss, freetype, gnome3, gdk_pixbuf, curl, systemd, xorg }:
 
 # TODO: use dynamic attributes once Nix 1.7 is out
@@ -34,9 +34,9 @@ stdenv.mkDerivation {
     ln -s ${systemd}/lib/libudev.so.1 $out/lib/libudev.so.0
 
     patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" "$out/PA"
-    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" --set-rpath "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib xorg.libXdamage xorg.libXfixes gtk glib stdenv.glibc.out "$out" xorg.libXext pango udev xorg.libX11 xorg.libXcomposite alsaLib atk nspr fontconfig cairo pango nss freetype gnome3.gconf gdk_pixbuf xorg.libXrender ]}:{stdenv.cc.cc.lib}/lib64:${stdenv.glibc.out}/lib64" "$out/host/CoherentUI_Host" 
+    patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" --set-rpath "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib xorg.libXdamage xorg.libXfixes gtk2 glib stdenv.glibc.out "$out" xorg.libXext pango udev xorg.libX11 xorg.libXcomposite alsaLib atk nspr fontconfig cairo pango nss freetype gnome3.gconf gdk_pixbuf xorg.libXrender ]}:{stdenv.cc.cc.lib}/lib64:${stdenv.glibc.out}/lib64" "$out/host/CoherentUI_Host"
 
-    wrapProgram $out/PA --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib stdenv.glibc.out xorg.libX11 xorg.libXcursor gtk glib curl "$out" ]}:${stdenv.cc.cc.lib}/lib64:${stdenv.glibc.out}/lib64"
+    wrapProgram $out/PA --prefix LD_LIBRARY_PATH : "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib stdenv.glibc.out xorg.libX11 xorg.libXcursor gtk2 glib curl "$out" ]}:${stdenv.cc.cc.lib}/lib64:${stdenv.glibc.out}/lib64"
 
     for f in $out/lib/*; do
       patchelf --set-rpath "${stdenv.lib.makeLibraryPath [ stdenv.cc.cc.lib curl xorg.libX11 stdenv.glibc.out xorg.libXcursor "$out" ]}:${stdenv.cc.cc.lib}/lib64:${stdenv.glibc.out}/lib64" $f
diff --git a/pkgs/games/privateer/default.nix b/pkgs/games/privateer/default.nix
index 2eb3a916eb3..ca1721e8ed5 100644
--- a/pkgs/games/privateer/default.nix
+++ b/pkgs/games/privateer/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchsvn, boost, cmake, ffmpeg, freeglut, glib,
-  gtk, libjpeg, libpng, libpthreadstubs, libvorbis, libXau, libXdmcp,
+  gtk2, libjpeg, libpng, libpthreadstubs, libvorbis, libXau, libXdmcp,
   libXmu, mesa, openal, pixman, pkgconfig, python27Full, SDL }:
 
 stdenv.mkDerivation {
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   };
 
   buildInputs =
-    [ boost cmake ffmpeg freeglut glib gtk libjpeg libpng
+    [ boost cmake ffmpeg freeglut glib gtk2 libjpeg libpng
       libpthreadstubs libvorbis libXau libXdmcp libXmu mesa openal
       pixman pkgconfig python27Full SDL ];
 
diff --git a/pkgs/games/rigsofrods/default.nix b/pkgs/games/rigsofrods/default.nix
index c4477ab01d9..ac658ee1367 100644
--- a/pkgs/games/rigsofrods/default.nix
+++ b/pkgs/games/rigsofrods/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, fetchFromGitHub, stdenv, wxGTK30, freeimage, cmake, zziplib, mesa, boost,
-  pkgconfig, libuuid, openal, ogre, ois, curl, gtk, pixman, mygui, unzip,
+  pkgconfig, libuuid, openal, ogre, ois, curl, gtk2, pixman, mygui, unzip,
   angelscript, ogrepaged, mysocketw, libxcb
   }:
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   '';
 
   buildInputs = [ wxGTK30 freeimage cmake zziplib mesa boost pkgconfig
-    libuuid openal ogre ois curl gtk mygui unzip angelscript
+    libuuid openal ogre ois curl gtk2 mygui unzip angelscript
     ogrepaged mysocketw libxcb ];
 
   meta = {
diff --git a/pkgs/games/spring/springlobby.nix b/pkgs/games/spring/springlobby.nix
index 78b9e155642..6ba91feced8 100644
--- a/pkgs/games/spring/springlobby.nix
+++ b/pkgs/games/spring/springlobby.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, cmake, wxGTK30, openal, pkgconfig, curl, libtorrentRasterbar
-, libpng, libX11, gettext, bash, gawk, boost, libnotify, gtk, doxygen, spring
+, libpng, libX11, gettext, bash, gawk, boost, libnotify, gtk2, doxygen, spring
 , makeWrapper, glib, minizip, alure, pcre, jsoncpp }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     cmake wxGTK30 openal pkgconfig curl gettext libtorrentRasterbar pcre jsoncpp
-    boost libpng libX11 libnotify gtk doxygen makeWrapper glib minizip alure
+    boost libpng libX11 libnotify gtk2 doxygen makeWrapper glib minizip alure
   ];
 
   patches = [ ./revert_58b423e.patch ]; # Allows springLobby to continue using system installed spring until #707 is fixed
diff --git a/pkgs/games/zandronum/bin.nix b/pkgs/games/zandronum/bin.nix
index 0d6c21bfa82..4fa7ec1b045 100644
--- a/pkgs/games/zandronum/bin.nix
+++ b/pkgs/games/zandronum/bin.nix
@@ -8,7 +8,7 @@
 , freetype
 , gdk_pixbuf
 , glib
-, gtk
+, gtk2
 , libjpeg_turbo
 , mesa_glu
 , mesa_noglu
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     freetype
     gdk_pixbuf
     glib
-    gtk
+    gtk2
     libjpeg_turbo
     mesa_glu
     mesa_noglu
diff --git a/pkgs/misc/drivers/hplip/3.15.9.nix b/pkgs/misc/drivers/hplip/3.15.9.nix
index 298cba88a9f..ae96a946e79 100644
--- a/pkgs/misc/drivers/hplip/3.15.9.nix
+++ b/pkgs/misc/drivers/hplip/3.15.9.nix
@@ -70,7 +70,7 @@ stdenv.mkDerivation {
   pythonPath = with pythonPackages; [
     dbus
     pillow
-    pygobject
+    pygobject2
     recursivePthLoader
     reportlab
     usbutils
diff --git a/pkgs/misc/drivers/hplip/default.nix b/pkgs/misc/drivers/hplip/default.nix
index 74204cd4e54..6c671b56b7a 100644
--- a/pkgs/misc/drivers/hplip/default.nix
+++ b/pkgs/misc/drivers/hplip/default.nix
@@ -71,7 +71,7 @@ stdenv.mkDerivation {
   pythonPath = with pythonPackages; [
     dbus
     pillow
-    pygobject
+    pygobject2
     recursivePthLoader
     reportlab
     usbutils
diff --git a/pkgs/misc/emulators/fs-uae/default.nix b/pkgs/misc/emulators/fs-uae/default.nix
index 0f85331bdd5..43ace9ca977 100644
--- a/pkgs/misc/emulators/fs-uae/default.nix
+++ b/pkgs/misc/emulators/fs-uae/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig
-, gettext, gtk, SDL, zlib, glib, openal, mesa, lua, freetype }:
+, gettext, gtk2, SDL, zlib, glib, openal, mesa, lua, freetype }:
 
 with stdenv.lib;
 stdenv.mkDerivation rec{
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec{
     sha256 = "05wngvpqj8kj4wzi5jzzhvs19iljb3m6ba1l2hk4rz68b400ndv6";
   };
 
-  buildInputs = [ pkgconfig gettext gtk SDL zlib glib openal mesa lua freetype ];
+  buildInputs = [ pkgconfig gettext gtk2 SDL zlib glib openal mesa lua freetype ];
 
   phases = "unpackPhase buildPhase installPhase";
 
diff --git a/pkgs/misc/emulators/gens-gs/default.nix b/pkgs/misc/emulators/gens-gs/default.nix
index 217468c5bd2..34507a25252 100644
--- a/pkgs/misc/emulators/gens-gs/default.nix
+++ b/pkgs/misc/emulators/gens-gs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, SDL, nasm, zlib, libpng, mesa }:
+{ stdenv, fetchurl, pkgconfig, gtk2, SDL, nasm, zlib, libpng, mesa }:
 
 stdenv.mkDerivation { 
   name = "gens-gs-7";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "1ha5s6d3y7s9aq9f4zmn9p88109c3mrj36z2w68jhiw5xrxws833";
   };
 
-  buildInputs = [ pkgconfig gtk SDL nasm zlib libpng mesa ];
+  buildInputs = [ pkgconfig gtk2 SDL nasm zlib libpng mesa ];
 
   # Work around build failures on recent GTK+.
   # See http://ubuntuforums.org/showthread.php?p=10535837
diff --git a/pkgs/misc/emulators/higan/default.nix b/pkgs/misc/emulators/higan/default.nix
index b8acf36cfd0..8d3537b0ee6 100644
--- a/pkgs/misc/emulators/higan/default.nix
+++ b/pkgs/misc/emulators/higan/default.nix
@@ -4,7 +4,7 @@
 , udev
 , mesa, SDL
 , libao, openal, libpulseaudio
-, gtk, gtksourceview
+, gtk2, gtksourceview
 }:
 
 with stdenv.lib;
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   postPatch = "sed '1i#include <cmath>' -i higan/fc/ppu/ppu.cpp";
 
   buildInputs =
-  [ p7zip pkgconfig libX11 libXv udev mesa SDL libao openal libpulseaudio gtk gtksourceview ];
+  [ p7zip pkgconfig libX11 libXv udev mesa SDL libao openal libpulseaudio gtk2 gtksourceview ];
 
   unpackPhase = ''
     7z x $src
diff --git a/pkgs/misc/emulators/mess/default.nix b/pkgs/misc/emulators/mess/default.nix
index 990f1e7106e..8f232a6023c 100644
--- a/pkgs/misc/emulators/mess/default.nix
+++ b/pkgs/misc/emulators/mess/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, unzip, pkgconfig, SDL, gtk, GConf, mesa
+{ stdenv, fetchurl, unzip, pkgconfig, SDL, gtk2, GConf, mesa
 , expat, zlib }:
 
 let
@@ -32,7 +32,7 @@ stdenv.mkDerivation {
   makeFlags = "TARGET=mess BUILD_EXPAT= BUILD_ZLIB= NOWERROR=1";
 
   buildInputs =
-    [ unzip pkgconfig SDL gtk GConf mesa expat zlib ];
+    [ unzip pkgconfig SDL gtk2 GConf mesa expat zlib ];
 
   installPhase =
     ''
diff --git a/pkgs/misc/emulators/mupen64plus/default.nix b/pkgs/misc/emulators/mupen64plus/default.nix
index 07174d76e4e..0e3c156c16a 100644
--- a/pkgs/misc/emulators/mupen64plus/default.nix
+++ b/pkgs/misc/emulators/mupen64plus/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, which, pkgconfig, SDL, gtk, mesa, SDL_ttf}:
+{stdenv, fetchurl, which, pkgconfig, SDL, gtk2, mesa, SDL_ttf}:
 
 stdenv.mkDerivation {
   name = "mupen64plus-1.5";
@@ -7,7 +7,7 @@ stdenv.mkDerivation {
     sha256 = "0gygfgyr2sg4yx77ijk133d1ra0v1yxi4xjxrg6kp3zdjmhdmcjq";
   };
 
-  buildInputs = [ which pkgconfig SDL gtk mesa SDL_ttf ];
+  buildInputs = [ which pkgconfig SDL gtk2 mesa SDL_ttf ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/misc/emulators/snes9x-gtk/default.nix b/pkgs/misc/emulators/snes9x-gtk/default.nix
index 99de1ae0d17..c6f4df1e5c0 100644
--- a/pkgs/misc/emulators/snes9x-gtk/default.nix
+++ b/pkgs/misc/emulators/snes9x-gtk/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, nasm, SDL, zlib, libpng, ncurses, mesa, intltool, gtk, pkgconfig, libxml2, xlibsWrapper, libpulseaudio}:
+{stdenv, fetchurl, nasm, SDL, zlib, libpng, ncurses, mesa, intltool, gtk2, pkgconfig, libxml2, xlibsWrapper, libpulseaudio}:
 
 stdenv.mkDerivation rec {
   name = "snes9x-gtk-${version}";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "9f7c5d2d0fa3fe753611cf94e8879b73b8bb3c0eab97cdbcb6ab7376efa78dc3";
   };
 
-  buildInputs = [ nasm SDL zlib libpng ncurses mesa intltool gtk pkgconfig libxml2 xlibsWrapper libpulseaudio];
+  buildInputs = [ nasm SDL zlib libpng ncurses mesa intltool gtk2 pkgconfig libxml2 xlibsWrapper libpulseaudio];
 
   sourceRoot = "snes9x-${version}-src/gtk";
 
diff --git a/pkgs/misc/emulators/uae/default.nix b/pkgs/misc/emulators/uae/default.nix
index ceafc714381..ca1881bdd5f 100644
--- a/pkgs/misc/emulators/uae/default.nix
+++ b/pkgs/misc/emulators/uae/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, gtk, alsaLib, SDL}:
+{stdenv, fetchurl, pkgconfig, gtk2, alsaLib, SDL}:
 
 stdenv.mkDerivation rec {
   name = "uae-0.8.29";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--with-sdl" "--with-sdl-sound" "--with-sdl-gfx" "--with-alsa" ];
 
-  buildInputs = [ pkgconfig gtk alsaLib SDL ];
+  buildInputs = [ pkgconfig gtk2 alsaLib SDL ];
 
   hardeningDisable = [ "format" ];
 
diff --git a/pkgs/misc/emulators/vice/default.nix b/pkgs/misc/emulators/vice/default.nix
index dd2c2380a8e..6251282aae3 100644
--- a/pkgs/misc/emulators/vice/default.nix
+++ b/pkgs/misc/emulators/vice/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, perl, libpng, giflib, libjpeg, alsaLib, readline, mesa, libX11
-, pkgconfig, gtk, SDL, autoreconfHook, makeDesktopItem
+, pkgconfig, gtk2, SDL, autoreconfHook, makeDesktopItem
 }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ perl libpng giflib libjpeg alsaLib readline mesa
-                  pkgconfig gtk SDL autoreconfHook ];
+                  pkgconfig gtk2 SDL autoreconfHook ];
   configureFlags = "--with-sdl --enable-fullscreen --enable-gnomeui";
 
   desktopItem = makeDesktopItem {
diff --git a/pkgs/misc/emulators/wine/base.nix b/pkgs/misc/emulators/wine/base.nix
index e35e319a57f..66ea152b274 100644
--- a/pkgs/misc/emulators/wine/base.nix
+++ b/pkgs/misc/emulators/wine/base.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation ((lib.optionalAttrs (! isNull buildScript) {
   ++ lib.optional pulseaudioSupport      pkgs.libpulseaudio
   ++ lib.optional xineramaSupport        pkgs.xorg.libXinerama
   ++ lib.optionals gstreamerSupport      (with pkgs.gst_all; [ gstreamer gst-plugins-base gst-plugins-good gst-plugins-bad gst-plugins-ugly gst-ffmpeg ])
-  ++ lib.optionals gtkSupport    [ pkgs.gtk3 pkgs.gnome.glib ]
+  ++ lib.optionals gtkSupport    [ pkgs.gtk3 pkgs.glib ]
   ++ lib.optionals openclSupport [ pkgs.opencl-headers pkgs.opencl-icd ]
   ++ lib.optionals xmlSupport    [ pkgs.libxml2 pkgs.libxslt ]
   ++ lib.optionals tlsSupport    [ pkgs.openssl pkgs.gnutls ]
diff --git a/pkgs/misc/screensavers/xscreensaver/default.nix b/pkgs/misc/screensavers/xscreensaver/default.nix
index 3540119e665..4217f1d0b1e 100644
--- a/pkgs/misc/screensavers/xscreensaver/default.nix
+++ b/pkgs/misc/screensavers/xscreensaver/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, bc, perl, pam, libXext, libXScrnSaver, libX11
-, libXrandr, libXmu, libXxf86vm, libXrender, libXxf86misc, libjpeg, mesa, gtk
+, libXrandr, libXmu, libXxf86vm, libXrender, libXxf86misc, libjpeg, mesa, gtk2
 , libxml2, libglade, intltool, xorg, makeWrapper, gle
 , forceInstallAllHacks ? false
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs =
-    [ pkgconfig bc perl libjpeg mesa gtk libxml2 libglade pam
+    [ pkgconfig bc perl libjpeg mesa gtk2 libxml2 libglade pam
       libXext libXScrnSaver libX11 libXrandr libXmu libXxf86vm libXrender
       libXxf86misc intltool xorg.appres makeWrapper gle
     ];
diff --git a/pkgs/misc/themes/arc/default.nix b/pkgs/misc/themes/arc/default.nix
index 025ef0913be..b7ff36c0917 100644
--- a/pkgs/misc/themes/arc/default.nix
+++ b/pkgs/misc/themes/arc/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, gnome3, gtk, gtk-engine-murrine }:
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, gnome3, gtk-engine-murrine }:
 
 stdenv.mkDerivation rec {
   version = "2016-06-06";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   preferLocalBuild = true;
 
-  configureFlags = "--with-gnome=${gnome3.version}";
+  configureFlags = "--with-gnome=${gnome3.version} ";
 
   meta = with stdenv.lib; {
     description = "A flat theme with transparent elements for GTK 3, GTK 2 and Gnome-Shell";
diff --git a/pkgs/misc/themes/gtk2/oxygen-gtk/default.nix b/pkgs/misc/themes/gtk2/oxygen-gtk/default.nix
index 100b280ef57..ad13b5f17ab 100644
--- a/pkgs/misc/themes/gtk2/oxygen-gtk/default.nix
+++ b/pkgs/misc/themes/gtk2/oxygen-gtk/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl,
-  cmake, dbus_glib, glib, gtk, gdk_pixbuf, pkgconfig, xorg }:
+  cmake, dbus_glib, glib, gtk2, gdk_pixbuf, pkgconfig, xorg }:
 
 stdenv.mkDerivation rec {
   version = "1.4.6";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "09mz4szsz3yswbj0nbw6qzlc5bc4id0f9r6ifm60b5nc8x1l72d2";
   };
 
-  buildInputs = [ cmake dbus_glib glib gtk gdk_pixbuf
+  buildInputs = [ cmake dbus_glib glib gtk2 gdk_pixbuf
    pkgconfig xorg.libXau xorg.libXdmcp xorg.libpthreadstubs
    xorg.libxcb xorg.pixman ];
 
diff --git a/pkgs/misc/themes/gtk3/clearlooks-phenix/default.nix b/pkgs/misc/themes/gtk3/clearlooks-phenix/default.nix
index 905e26998a0..bea08bcdf14 100644
--- a/pkgs/misc/themes/gtk3/clearlooks-phenix/default.nix
+++ b/pkgs/misc/themes/gtk3/clearlooks-phenix/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk }:
+{ stdenv, fetchurl }:
 
 stdenv.mkDerivation rec {
   version = "5.0.7";
diff --git a/pkgs/os-specific/linux/alsa-tools/default.nix b/pkgs/os-specific/linux/alsa-tools/default.nix
index f0352530480..51a60a27431 100644
--- a/pkgs/os-specific/linux/alsa-tools/default.nix
+++ b/pkgs/os-specific/linux/alsa-tools/default.nix
@@ -1,4 +1,6 @@
-{ stdenv, fetchurl, alsaLib, pkgconfig, gtk, gtk3, fltk13 }:
+{ stdenv, fetchurl, alsaLib, pkgconfig, gtk2, gtk3, fltk13 }:
+# Comes from upstream as as bundle of several tools,
+# some use gtk2, some gtk3 (and some even fltk13).
 
 stdenv.mkDerivation rec {
   name = "alsa-tools-${version}";
@@ -12,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0ldbaz3qr7z0639xg37ba7cmrb512rrjavap6r5jjl0ab665ad3x";
   };
 
-  buildInputs = [ alsaLib pkgconfig gtk gtk3 fltk13 ];
+  buildInputs = [ alsaLib pkgconfig gtk2 gtk3 fltk13 ];
 
   patchPhase = ''
     export tools="as10k1 hda-verb hdspmixer echomixer hdajackretask hdspconf hwmixvolume mixartloader rmedigicontrol sscape_ctl vxloader envy24control hdajacksensetest hdsploader ld10k1 pcxhrloader sb16_csp us428control"
diff --git a/pkgs/os-specific/linux/bluez/bluez5.nix b/pkgs/os-specific/linux/bluez/bluez5.nix
index 22b6f5d6354..de318a9474a 100644
--- a/pkgs/os-specific/linux/bluez/bluez5.nix
+++ b/pkgs/os-specific/linux/bluez/bluez5.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   pythonPath = with pythonPackages;
-    [ dbus pygobject pygobject3 recursivePthLoader ];
+    [ dbus pygobject2 pygobject3 recursivePthLoader ];
 
   buildInputs =
     [ pkgconfig dbus glib alsaLib pythonPackages.python pythonPackages.wrapPython
diff --git a/pkgs/os-specific/linux/bluez/bluez5_28.nix b/pkgs/os-specific/linux/bluez/bluez5_28.nix
index 829b383e072..8cd5e064e1e 100644
--- a/pkgs/os-specific/linux/bluez/bluez5_28.nix
+++ b/pkgs/os-specific/linux/bluez/bluez5_28.nix
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
   };
 
   pythonPath = with pythonPackages;
-    [ dbus pygobject pygobject3 recursivePthLoader ];
+    [ dbus pygobject2 pygobject3 recursivePthLoader ];
 
   buildInputs =
     [ pkgconfig dbus glib alsaLib python pythonPackages.wrapPython
diff --git a/pkgs/os-specific/linux/latencytop/default.nix b/pkgs/os-specific/linux/latencytop/default.nix
index 163ac189050..8c2badc3d68 100644
--- a/pkgs/os-specific/linux/latencytop/default.nix
+++ b/pkgs/os-specific/linux/latencytop/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, ncurses, glib, pkgconfig, gtk }:
+{ stdenv, fetchurl, ncurses, glib, pkgconfig, gtk2 }:
 
 stdenv.mkDerivation rec {
   name = "latencytop-0.5";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1vq3j9zdab6njly2wp900b3d5244mnxfm88j2bkiinbvxbxp4zwy";
   };
 
-  buildInputs = [ ncurses glib pkgconfig gtk ];
+  buildInputs = [ ncurses glib pkgconfig gtk2 ];
 
   meta = {
     homepage = http://latencytop.org;
diff --git a/pkgs/os-specific/linux/nvidia-x11/default.nix b/pkgs/os-specific/linux/nvidia-x11/default.nix
index f561c0addc8..e7297b0efe2 100644
--- a/pkgs/os-specific/linux/nvidia-x11/default.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, kernel ? null, xorg, zlib, perl
-, gtk, atk, pango, glib, gdk_pixbuf, cairo, nukeReferences
+, gtk2, atk, pango, glib, gdk_pixbuf, cairo, nukeReferences
 , # Whether to build the libraries only (i.e. not the kernel module or
   # nvidia-settings).  Used to support 32-bit binaries on 64-bit
   # Linux.
@@ -52,7 +52,7 @@ stdenv.mkDerivation {
   allLibPath  = makeLibraryPath [xorg.libXext xorg.libX11 xorg.libXrandr zlib stdenv.cc.cc];
 
   gtkPath = optionalString (!libsOnly) (makeLibraryPath
-    [ gtk atk pango glib gdk_pixbuf cairo ] );
+    [ gtk2 atk pango glib gdk_pixbuf cairo ] );
   programPath = makeLibraryPath [ xorg.libXv ];
 
   patches = if (!libsOnly) && (versionAtLeast kernel.dev.version "4.7") then [ ./365.35-kernel-4.7.patch ] else [];
diff --git a/pkgs/os-specific/linux/nvidia-x11/legacy173.nix b/pkgs/os-specific/linux/nvidia-x11/legacy173.nix
index 27c963f4bd9..d1f6d36a6a7 100644
--- a/pkgs/os-specific/linux/nvidia-x11/legacy173.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/legacy173.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, kernel, xorg, zlib, gtk, atk, pango, glib, gdk_pixbuf}:
+{stdenv, fetchurl, kernel, xorg, zlib, gtk2, atk, pango, glib, gdk_pixbuf}:
 
 let
 
@@ -36,7 +36,7 @@ stdenv.mkDerivation {
 
   cudaPath = stdenv.lib.makeLibraryPath [zlib stdenv.cc.cc];
 
-  programPath = stdenv.lib.makeLibraryPath [ gtk atk pango glib gdk_pixbuf xorg.libXv ];
+  programPath = stdenv.lib.makeLibraryPath [ gtk2 atk pango glib gdk_pixbuf xorg.libXv ];
 
   meta = {
     homepage = http://www.nvidia.com/object/unix.html;
diff --git a/pkgs/os-specific/linux/nvidia-x11/legacy304.nix b/pkgs/os-specific/linux/nvidia-x11/legacy304.nix
index 65cf42333e0..63da39e0c23 100644
--- a/pkgs/os-specific/linux/nvidia-x11/legacy304.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/legacy304.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, kernel ? null, xorg, zlib, perl
-, gtk, atk, pango, glib, gdk_pixbuf
+, gtk2, atk, pango, glib, gdk_pixbuf
 , # Whether to build the libraries only (i.e. not the kernel module or
   # nvidia-settings).  Used to support 32-bit binaries on 64-bit
   # Linux.
@@ -41,7 +41,7 @@ stdenv.mkDerivation {
   cudaPath = stdenv.lib.makeLibraryPath [zlib stdenv.cc.cc];
 
   programPath = optionalString (!libsOnly) (stdenv.lib.makeLibraryPath
-    [ gtk atk pango glib gdk_pixbuf xorg.libXv ] );
+    [ gtk2 atk pango glib gdk_pixbuf xorg.libXv ] );
 
   buildInputs = [ perl ];
 
diff --git a/pkgs/os-specific/linux/nvidia-x11/legacy340.nix b/pkgs/os-specific/linux/nvidia-x11/legacy340.nix
index 0682954d558..e34aaf3c908 100644
--- a/pkgs/os-specific/linux/nvidia-x11/legacy340.nix
+++ b/pkgs/os-specific/linux/nvidia-x11/legacy340.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, kernel ? null, xorg, zlib, perl
-, gtk, atk, pango, glib, gdk_pixbuf
+, gtk2, atk, pango, glib, gdk_pixbuf
 , # Whether to build the libraries only (i.e. not the kernel module or
   # nvidia-settings).  Used to support 32-bit binaries on 64-bit
   # Linux.
@@ -52,7 +52,7 @@ stdenv.mkDerivation {
   allLibPath  = makeLibraryPath [xorg.libXext xorg.libX11 xorg.libXrandr zlib stdenv.cc.cc];
 
   programPath = optionalString (!libsOnly) (makeLibraryPath
-    [ gtk atk pango glib gdk_pixbuf xorg.libXv ] );
+    [ gtk2 atk pango glib gdk_pixbuf xorg.libXv ] );
 
   buildInputs = [ perl ];
 
diff --git a/pkgs/os-specific/linux/pktgen/default.nix b/pkgs/os-specific/linux/pktgen/default.nix
index b591c3b002c..ec35fabd05a 100644
--- a/pkgs/os-specific/linux/pktgen/default.nix
+++ b/pkgs/os-specific/linux/pktgen/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, dpdk, libpcap, utillinux
 , pkgconfig
-, gtk, withGtk ? false
+, gtk2, withGtk ? false
 }:
 
 stdenv.mkDerivation rec {
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   buildInputs =
     [ dpdk libpcap ]
-    ++ stdenv.lib.optionals withGtk [gtk];
+    ++ stdenv.lib.optionals withGtk [gtk2];
 
   RTE_SDK = "${dpdk}";
   RTE_TARGET = "x86_64-native-linuxapp-gcc";
diff --git a/pkgs/os-specific/linux/pommed/default.nix b/pkgs/os-specific/linux/pommed/default.nix
index 6318654742e..1cdf9044b8f 100644
--- a/pkgs/os-specific/linux/pommed/default.nix
+++ b/pkgs/os-specific/linux/pommed/default.nix
@@ -7,7 +7,7 @@
 , alsaLib
 , audiofile
 , pkgconfig
-, gtk
+, gtk2
 , gettext
 , libXpm
 }:
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     audiofile
     dbus_glib
     pkgconfig
-    gtk
+    gtk2
     gettext
     libXpm
   ];
diff --git a/pkgs/servers/computing/slurm/default.nix b/pkgs/servers/computing/slurm/default.nix
index 6ae8e410bf2..311d707e9c5 100644
--- a/pkgs/servers/computing/slurm/default.nix
+++ b/pkgs/servers/computing/slurm/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, curl, python, munge, perl, pam, openssl
-, ncurses, mysql, gtk, lua, hwloc, numactl
+, ncurses, mysql, gtk2, lua, hwloc, numactl
 }:
 
 stdenv.mkDerivation rec {
@@ -15,14 +15,14 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ pkgconfig ];
   buildInputs = [
-    curl python munge perl pam openssl mysql.lib ncurses gtk lua hwloc numactl
+    curl python munge perl pam openssl mysql.lib ncurses gtk2 lua hwloc numactl
   ];
 
   configureFlags =
     [ "--with-munge=${munge}"
       "--with-ssl=${openssl.dev}"
       "--sysconfdir=/etc/slurm"
-    ] ++ stdenv.lib.optional (gtk == null)  "--disable-gtktest";
+    ] ++ stdenv.lib.optional (gtk2 == null)  "--disable-gtktest";
 
   preConfigure = ''
     substituteInPlace ./doc/html/shtml2html.py --replace "/usr/bin/env python" "${python.interpreter}"
diff --git a/pkgs/servers/gpsd/default.nix b/pkgs/servers/gpsd/default.nix
index 596176d939d..b8d2498b71e 100644
--- a/pkgs/servers/gpsd/default.nix
+++ b/pkgs/servers/gpsd/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   pythonPath = [
-    pythonPackages.pygobject
+    pythonPackages.pygobject2
     pythonPackages.pygtk
   ];
 
diff --git a/pkgs/servers/neard/default.nix b/pkgs/servers/neard/default.nix
index 665e2ee8ed5..e3e3de36575 100644
--- a/pkgs/servers/neard/default.nix
+++ b/pkgs/servers/neard/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ autoreconfHook pkgconfig systemd glib dbus libnl pythonPackages.python pythonPackages.wrapPython ];
-  pythonPath = [ pythonPackages.pygobject pythonPackages.dbus-python pythonPackages.pygtk ];
+  pythonPath = [ pythonPackages.pygobject2 pythonPackages.dbus-python pythonPackages.pygtk ];
 
   configureFlags = [ "--disable-debug" "--enable-tools" "--enable-ese" "--with-systemdsystemunitdir=$out/lib/systemd/system" ];
 
diff --git a/pkgs/tools/X11/nitrogen/default.nix b/pkgs/tools/X11/nitrogen/default.nix
index dd8b496fe66..070152427f2 100644
--- a/pkgs/tools/X11/nitrogen/default.nix
+++ b/pkgs/tools/X11/nitrogen/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, gtk2, gtkmm }:
+{ stdenv, fetchurl, pkgconfig, glib, gtkmm2 }:
 
 let version = "1.5.2";
 in
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "60a2437ce6a6c0ba44505fc8066c1973140d4bb48e1e5649f525c7b0b8bf9fd2";
   };
 
-  buildInputs = [ glib gtk2 gtkmm pkgconfig ];
+  buildInputs = [ glib gtkmm2 pkgconfig ];
 
   NIX_LDFLAGS = "-lX11";
 
diff --git a/pkgs/tools/X11/obconf/default.nix b/pkgs/tools/X11/obconf/default.nix
index 272143791f2..cb3749efb44 100644
--- a/pkgs/tools/X11/obconf/default.nix
+++ b/pkgs/tools/X11/obconf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libglade, openbox,
+{ stdenv, fetchurl, pkgconfig, gtk2, libglade, openbox,
   imlib2, libstartup_notification, makeWrapper }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    pkgconfig gtk libglade openbox imlib2 libstartup_notification makeWrapper
+    pkgconfig gtk2 libglade openbox imlib2 libstartup_notification makeWrapper
   ];
 
   postInstall = ''
diff --git a/pkgs/tools/X11/xnee/default.nix b/pkgs/tools/X11/xnee/default.nix
index 43fa105e680..63abc31e007 100644
--- a/pkgs/tools/X11/xnee/default.nix
+++ b/pkgs/tools/X11/xnee/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, stdenv, libX11, xproto, libXext, xextproto, libXtst
-, gtk, libXi, inputproto, pkgconfig, recordproto, texinfo }:
+, gtk2, libXi, inputproto, pkgconfig, recordproto, texinfo }:
 
 stdenv.mkDerivation rec {
   version = "3.19";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     '';
 
   buildInputs =
-    [ libX11 xproto libXext xextproto libXtst gtk
+    [ libX11 xproto libXext xextproto libXtst gtk2
       libXi inputproto pkgconfig recordproto
       texinfo
     ];
diff --git a/pkgs/tools/X11/xpra/default.nix b/pkgs/tools/X11/xpra/default.nix
index 1a84eaddda6..f3159533931 100644
--- a/pkgs/tools/X11/xpra/default.nix
+++ b/pkgs/tools/X11/xpra/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pythonPackages, pkgconfig
-, xorg, gtk, glib, pango, cairo, gdk_pixbuf, atk
+, xorg, gtk2, glib, pango, cairo, gdk_pixbuf, atk
 , makeWrapper, xkbcomp, xorgserver, getopt, xauth, utillinux, which, fontsConf, xkeyboard_config
 , ffmpeg, x264, libvpx, libwebp
 , libfakeXinerama }:
@@ -22,7 +22,7 @@ in buildPythonApplication rec {
     xorg.xproto xorg.fixesproto xorg.libXtst xorg.libXfixes xorg.libXcomposite xorg.libXdamage
     xorg.libXrandr xorg.libxkbfile
 
-    pango cairo gdk_pixbuf atk gtk glib
+    pango cairo gdk_pixbuf atk gtk2 glib
 
     ffmpeg libvpx x264 libwebp
 
@@ -30,7 +30,7 @@ in buildPythonApplication rec {
   ];
 
   propagatedBuildInputs = with pythonPackages; [
-    pillow pygtk pygobject rencode pycrypto cryptography pycups lz4 dbus-python
+    pillow pygtk pygobject2 rencode pycrypto cryptography pycups lz4 dbus-python
   ];
 
   preBuild = ''
diff --git a/pkgs/tools/admin/gtk-vnc/default.nix b/pkgs/tools/admin/gtk-vnc/default.nix
index 9ef9755d6bc..cf58f75aacc 100644
--- a/pkgs/tools/admin/gtk-vnc/default.nix
+++ b/pkgs/tools/admin/gtk-vnc/default.nix
@@ -1,7 +1,7 @@
 { stdenv, fetchurl, gobjectIntrospection
-, python, gtk, pygtk, gnutls, cairo, libtool, glib, pkgconfig, libtasn1
+, python, gtk2, pygtk, gnutls, cairo, libtool, glib, pkgconfig, libtasn1
 , libffi, cyrus_sasl, intltool, perl, perlPackages, libpulseaudio
-, kbproto, libX11, libXext, xextproto, pygobject, libgcrypt, gtk3, vala_0_23
+, kbproto, libX11, libXext, xextproto, pygobject2, libgcrypt, gtk3, vala_0_23
 , pygobject3, libogg, enableGTK3 ? false, libgpgerror }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     python gnutls cairo libtool pkgconfig glib libffi libgcrypt
     intltool cyrus_sasl libpulseaudio perl perlPackages.TextCSV
     gobjectIntrospection libogg libgpgerror
-  ] ++ (if enableGTK3 then [ gtk3 vala_0_23 pygobject3 ] else [ gtk pygtk pygobject ]);
+  ] ++ (if enableGTK3 then [ gtk3 vala_0_23 pygobject3 ] else [ gtk2 pygtk pygobject2 ]);
 
   NIX_CFLAGS_COMPILE = "-fstack-protector-all";
   configureFlags = [
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   makeFlags = stdenv.lib.optionalString (!enableGTK3)
-    "CODEGENDIR=${pygobject}/share/pygobject/2.0/codegen/ DEFSDIR=${pygtk}/share/pygtk/2.0/defs/";
+    "CODEGENDIR=${pygobject2}/share/pygobject/2.0/codegen/ DEFSDIR=${pygtk}/share/pygtk/2.0/defs/";
 
   # Fix broken .la files
   preFixup = ''
diff --git a/pkgs/tools/archivers/xarchiver/default.nix b/pkgs/tools/archivers/xarchiver/default.nix
index e924a58d4d7..6ed6a7f2402 100644
--- a/pkgs/tools/archivers/xarchiver/default.nix
+++ b/pkgs/tools/archivers/xarchiver/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, gtk, pkgconfig, intltool }:
+{ stdenv, fetchFromGitHub, gtk2, pkgconfig, intltool }:
 
 stdenv.mkDerivation rec {
   version = "0.5.4.7";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0w9lx8d8r50j48qfhn2r0dlcnwy3pjyy6xjvgpr0qagy5l1q1qj4";
   };
 
-  buildInputs = [ gtk pkgconfig intltool ];
+  buildInputs = [ gtk2 pkgconfig intltool ];
 
   meta = {
     description = "GTK+ frontend to 7z,zip,rar,tar,bzip2, gzip,arj, lha, rpm and deb (open and extract only)";
diff --git a/pkgs/tools/audio/playerctl/default.nix b/pkgs/tools/audio/playerctl/default.nix
index bd5a6b1d592..38df702cb16 100644
--- a/pkgs/tools/audio/playerctl/default.nix
+++ b/pkgs/tools/audio/playerctl/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, autoconf, automake, libtool, which, gnome, glib,
+{ stdenv, fetchFromGitHub, autoconf, automake, libtool, which, gnome2, glib,
   pkgconfig, gobjectIntrospection }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [
-    which autoconf automake libtool gnome.gtkdoc glib pkgconfig
+    which autoconf automake libtool gnome2.gtkdoc glib pkgconfig
     gobjectIntrospection
   ];
 
diff --git a/pkgs/tools/graphics/nip2/default.nix b/pkgs/tools/graphics/nip2/default.nix
index fb88a8c37d4..d0ad0c27f20 100644
--- a/pkgs/tools/graphics/nip2/default.nix
+++ b/pkgs/tools/graphics/nip2/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libxml2, flex, bison, vips, gnome,
+{ stdenv, fetchurl, pkgconfig, glib, libxml2, flex, bison, vips, gnome2,
 fftw, gsl, goffice, libgsf }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs =
   [ pkgconfig glib libxml2 flex bison vips
-    gnome.gtk fftw gsl goffice libgsf
+    gnome2.gtk fftw gsl goffice libgsf
   ];
 
   meta = with stdenv.lib; {
diff --git a/pkgs/tools/graphics/pdf2svg/default.nix b/pkgs/tools/graphics/pdf2svg/default.nix
index 52ca99b9764..dad611868bc 100644
--- a/pkgs/tools/graphics/pdf2svg/default.nix
+++ b/pkgs/tools/graphics/pdf2svg/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
-, cairo, gtk, poppler }:
+, cairo, gtk2, poppler }:
 
 stdenv.mkDerivation rec {
   name = "pdf2svg-${version}";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "14ffdm4y26imq99wjhkrhy9lp33165xci1l5ndwfia8hz53bl02k";
   };
 
-  buildInputs = [ autoreconfHook cairo pkgconfig poppler gtk ];
+  buildInputs = [ autoreconfHook cairo pkgconfig poppler gtk2 ];
 
   meta = with stdenv.lib; {
     description = "PDF converter to SVG format";
diff --git a/pkgs/tools/graphics/vips/default.nix b/pkgs/tools/graphics/vips/default.nix
index 6ff2ee5cd44..4fb16b49717 100644
--- a/pkgs/tools/graphics/vips/default.nix
+++ b/pkgs/tools/graphics/vips/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, libxml2, flex, bison, vips, gnome,
+{ stdenv, fetchurl, pkgconfig, glib, libxml2, flex, bison, vips,
   fftw, orc, lcms, imagemagick, openexr, libtiff, libjpeg, libgsf, libexif,
   python27, libpng, matio ? null, cfitsio ? null, libwebp ? null
 }:
diff --git a/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix b/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix
index 5366fe55877..cdd99cd7e9a 100644
--- a/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix
+++ b/pkgs/tools/inputmethods/fcitx-engines/fcitx-mozc/default.nix
@@ -1,5 +1,5 @@
 { clangStdenv, fetchFromGitHub, fetchurl, fetchpatch, fetchsvn, gyp, which, ninja, 
-  python, pkgconfig, protobuf, gtk, zinnia, qt4, libxcb, tegaki-zinnia-japanese,
+  python, pkgconfig, protobuf, gtk2, zinnia, qt4, libxcb, tegaki-zinnia-japanese,
   fcitx, gettext }:
 let
   japanese_usage_dictionary = fetchsvn {
@@ -23,7 +23,7 @@ in clangStdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ gyp which ninja python pkgconfig ];
-  buildInputs = [ protobuf gtk zinnia qt4 libxcb fcitx gettext ];
+  buildInputs = [ protobuf gtk2 zinnia qt4 libxcb fcitx gettext ];
 
   postUnpack = ''
     rmdir $sourceRoot/src/third_party/japanese_usage_dictionary/
diff --git a/pkgs/tools/inputmethods/ibus-engines/ibus-mozc/default.nix b/pkgs/tools/inputmethods/ibus-engines/ibus-mozc/default.nix
index e06d2b004ee..644725c2910 100644
--- a/pkgs/tools/inputmethods/ibus-engines/ibus-mozc/default.nix
+++ b/pkgs/tools/inputmethods/ibus-engines/ibus-mozc/default.nix
@@ -1,4 +1,4 @@
-{ clangStdenv, fetchFromGitHub, fetchsvn, gyp, which, ninja, python, pkgconfig, protobuf, ibus, gtk, zinnia, qt4, libxcb, tegaki-zinnia-japanese }:
+{ clangStdenv, fetchFromGitHub, fetchsvn, gyp, which, ninja, python, pkgconfig, protobuf, ibus, gtk2, zinnia, qt4, libxcb, tegaki-zinnia-japanese }:
 
 let
   japanese_usage_dictionary = fetchsvn {
@@ -20,7 +20,7 @@ in clangStdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ gyp which ninja python pkgconfig ];
-  buildInputs = [ protobuf ibus gtk zinnia qt4 libxcb ];
+  buildInputs = [ protobuf ibus gtk2 zinnia qt4 libxcb ];
 
   src = fetchFromGitHub {
     owner  = "google";
diff --git a/pkgs/tools/inputmethods/nabi/default.nix b/pkgs/tools/inputmethods/nabi/default.nix
index 894c7b61760..cb33abc3213 100644
--- a/pkgs/tools/inputmethods/nabi/default.nix
+++ b/pkgs/tools/inputmethods/nabi/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk, libhangul }:
+{ stdenv, fetchurl, pkgconfig, gtk2, libhangul }:
 
 stdenv.mkDerivation {
   name = "nabi-1.0.0";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "0craa24pw7b70sh253arv9bg9sy4q3mhsjwfss3bnv5nf0xwnncw";
   };
 
-  buildInputs = [ gtk libhangul pkgconfig ];
+  buildInputs = [ gtk2 libhangul pkgconfig ];
 
   meta = with stdenv.lib; {
     description = "The Easy Hangul XIM";
diff --git a/pkgs/tools/misc/alarm-clock-applet/default.nix b/pkgs/tools/misc/alarm-clock-applet/default.nix
index 9a3e0b905e1..88992c8e4e3 100644
--- a/pkgs/tools/misc/alarm-clock-applet/default.nix
+++ b/pkgs/tools/misc/alarm-clock-applet/default.nix
@@ -2,7 +2,7 @@
 , glib
 , gtk2
 , gst_all_1
-, gnome
+, gnome2
 , libnotify
 , libxml2
 , libunique
@@ -30,8 +30,8 @@ stdenv.mkDerivation rec {
     gtk2
     gst_all_1.gstreamer
     gst_plugins
-    gnome.GConf
-    gnome.gnome_icon_theme
+    gnome2.GConf
+    gnome2.gnome_icon_theme
     libnotify
     libxml2
     libunique
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     wrapGAppsHook
   ];
 
-  propagatedUserEnvPkgs = [ gnome.GConf.out ];
+  propagatedUserEnvPkgs = [ gnome2.GConf.out ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/tools/misc/ddccontrol/default.nix b/pkgs/tools/misc/ddccontrol/default.nix
index fb11a3b8756..ddf9c38ec93 100644
--- a/pkgs/tools/misc/ddccontrol/default.nix
+++ b/pkgs/tools/misc/ddccontrol/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, autoreconfHook, intltool, perl, perlPackages, libxml2
-, pciutils, pkgconfig, gtk, ddccontrol-db
+, pciutils, pkgconfig, gtk2, ddccontrol-db
 }:
 
 let version = "0.4.2"; in
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   nativeBuildInputs = [ autoreconfHook intltool pkgconfig ];
 
   buildInputs = [
-    perl perlPackages.libxml_perl libxml2 pciutils gtk ddccontrol-db
+    perl perlPackages.libxml_perl libxml2 pciutils gtk2 ddccontrol-db
   ];
 
   patches = [ ./automake.patch ];
diff --git a/pkgs/tools/misc/gnokii/default.nix b/pkgs/tools/misc/gnokii/default.nix
index d1551eb4ccd..adad66c9bfa 100644
--- a/pkgs/tools/misc/gnokii/default.nix
+++ b/pkgs/tools/misc/gnokii/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, perl, gettext, libusb, pkgconfig, bluez
-, readline, pcsclite, libical, gtk, glib, libXpm }:
+, readline, pcsclite, libical, gtk2, glib, libXpm }:
 
 stdenv.mkDerivation rec {
   name = "gnokii-${version}";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [
     perl intltool gettext libusb
-    glib gtk pkgconfig bluez readline
+    glib gtk2 pkgconfig bluez readline
     libXpm pcsclite libical
   ];
 
diff --git a/pkgs/tools/misc/gparted/default.nix b/pkgs/tools/misc/gparted/default.nix
index d73def7ab9b..cdf2a4aca86 100644
--- a/pkgs/tools/misc/gparted/default.nix
+++ b/pkgs/tools/misc/gparted/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, intltool, gettext, makeWrapper
-, parted, gtk, glib, libuuid, pkgconfig, gtkmm, libxml2, hicolor_icon_theme
+, parted, glib, libuuid, pkgconfig, gtkmm2, libxml2, hicolor_icon_theme
 , gpart, hdparm, procps, utillinux
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = [ "--disable-doc" ];
 
-  buildInputs = [ parted gtk glib libuuid gtkmm libxml2 hicolor_icon_theme ];
+  buildInputs = [ parted glib libuuid gtkmm2 libxml2 hicolor_icon_theme ];
   nativeBuildInputs = [ intltool gettext makeWrapper pkgconfig ];
 
   postInstall = ''
diff --git a/pkgs/tools/misc/gsmartcontrol/default.nix b/pkgs/tools/misc/gsmartcontrol/default.nix
index 5f21559d471..f362e7c53a2 100644
--- a/pkgs/tools/misc/gsmartcontrol/default.nix
+++ b/pkgs/tools/misc/gsmartcontrol/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, stdenv, smartmontools, gtk, gtkmm, libglademm, pkgconfig, pcre }:
+{ fetchurl, stdenv, smartmontools, gtkmm2, libglademm, pkgconfig, pcre }:
 
 stdenv.mkDerivation rec {
   version="0.8.7";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1ipykzqpfvlr84j38hr7q2cag4imrn1gql10slp8bfrs4h1si3vh";
   };
 
-  buildInputs = [ smartmontools gtk gtkmm libglademm pkgconfig pcre ];
+  buildInputs = [ smartmontools gtkmm2 libglademm pkgconfig pcre ];
 
   #installTargets = "install datainstall";
 
diff --git a/pkgs/tools/networking/connman-notify/default.nix b/pkgs/tools/networking/connman-notify/default.nix
index 4f70888fca6..b565b35a929 100644
--- a/pkgs/tools/networking/connman-notify/default.nix
+++ b/pkgs/tools/networking/connman-notify/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   buildInputs = [
     pythonPackages.python
     pythonPackages.dbus-python
-    pythonPackages.pygobject
+    pythonPackages.pygobject2
     pythonPackages.pygtk
     pythonPackages.notify
   ];
diff --git a/pkgs/tools/networking/gftp/default.nix b/pkgs/tools/networking/gftp/default.nix
index 2b5aae72de4..b122f532630 100644
--- a/pkgs/tools/networking/gftp/default.nix
+++ b/pkgs/tools/networking/gftp/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, readline, ncurses, gettext, openssl, pkgconfig }:
+{ stdenv, fetchurl, gtk2, readline, ncurses, gettext, openssl, pkgconfig }:
 
 stdenv.mkDerivation {
   name = "gftp-2.0.19";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "1z8b26n23k0sjbxgrix646b06cnpndpq7cbcj0ilsvvdx5ms81jk";
   };
 
-  buildInputs = [ gtk readline ncurses gettext openssl pkgconfig ];
+  buildInputs = [ gtk2 readline ncurses gettext openssl pkgconfig ];
 
   meta = { 
     description = "GTK+-based FTP client";
diff --git a/pkgs/tools/networking/p2p/gtk-gnutella/default.nix b/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
index a29503aba1e..901d84b4692 100644
--- a/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
+++ b/pkgs/tools/networking/p2p/gtk-gnutella/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, bison, pkgconfig
-, glib, gtk, libxml2, gettext, zlib, binutils, gnutls }:
+, glib, gtk2, libxml2, gettext, zlib, binutils, gnutls }:
 
 let
   name = "gtk-gnutella";
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [ bison binutils gettext pkgconfig ];
-  buildInputs = [ glib gnutls gtk libxml2 zlib ];
+  buildInputs = [ glib gnutls gtk2 libxml2 zlib ];
 
   hardeningDisable = [ "bindnow" "fortify" "pic" "relro" ];
 
diff --git a/pkgs/tools/networking/wicd/default.nix b/pkgs/tools/networking/wicd/default.nix
index 59bbd918d64..d693b8db953 100644
--- a/pkgs/tools/networking/wicd/default.nix
+++ b/pkgs/tools/networking/wicd/default.nix
@@ -4,7 +4,7 @@
 , locale ? "C" }:
 
 let
-  inherit (pythonPackages) python pygobject dbus-python pyGtkGlade pycairo;
+  inherit (pythonPackages) python pygobject2 dbus-python pyGtkGlade pycairo;
 in stdenv.mkDerivation rec {
   name = "wicd-${version}";
   version = "1.7.2.4";
@@ -38,15 +38,15 @@ in stdenv.mkDerivation rec {
     substituteInPlace in/scripts=wicd.in --subst-var-by TEMPLATE-DEFAULT $out/share/other/dhclient.conf.template.default
 
     sed -i "2iexport PATH=${stdenv.lib.makeBinPath [ python wpa_supplicant dhcpcd dhcp wirelesstools nettools nettools iputils openresolv iproute ]}\$\{PATH:+:\}\$PATH" in/scripts=wicd.in
-    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pygobject}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd.in
+    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pygobject2}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd.in
     sed -i "2iexport PATH=${python}/bin\$\{PATH:+:\}\$PATH" in/scripts=wicd-client.in
-    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-client.in
+    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject2}):$(toPythonPath ${pygobject2})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-client.in
     sed -i "2iexport PATH=${python}/bin\$\{PATH:+:\}\$PATH" in/scripts=wicd-gtk.in
-    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python}):$(toPythonPath ${pythonPackages.notify})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-gtk.in
+    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject2}):$(toPythonPath ${pygobject2})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python}):$(toPythonPath ${pythonPackages.notify})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-gtk.in
     sed -i "2iexport PATH=${python}/bin\$\{PATH:+:\}\$PATH" in/scripts=wicd-cli.in
-    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-cli.in
+    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject2}):$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-cli.in
     sed -i "2iexport PATH=${python}/bin\$\{PATH:+:\}\$PATH" in/scripts=wicd-curses.in
-    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python}):$(toPythonPath ${pythonPackages.urwid}):$(toPythonPath ${pythonPackages.curses})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-curses.in
+    sed -i "3iexport PYTHONPATH=$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject2}):$(toPythonPath ${pycairo}):$(toPythonPath ${dbus-python}):$(toPythonPath ${pythonPackages.urwid}):$(toPythonPath ${pythonPackages.curses})\$\{PYTHONPATH:+:\}\$PYTHONPATH" in/scripts=wicd-curses.in
     rm po/ast.po
   '';
 
diff --git a/pkgs/tools/security/jd-gui/default.nix b/pkgs/tools/security/jd-gui/default.nix
index f247f8c4e89..106fbf0a150 100644
--- a/pkgs/tools/security/jd-gui/default.nix
+++ b/pkgs/tools/security/jd-gui/default.nix
@@ -1,8 +1,8 @@
-{ stdenv, fetchurl, gtk, atk, gdk_pixbuf, pango, makeWrapper }:
+{ stdenv, fetchurl, gtk2, atk, gdk_pixbuf, pango, makeWrapper }:
 
 let
   dynlibPath = stdenv.lib.makeLibraryPath
-    [ gtk atk gdk_pixbuf pango ];
+    [ gtk2 atk gdk_pixbuf pango ];
 in
 stdenv.mkDerivation rec {
   name    = "jd-gui-${version}";
diff --git a/pkgs/tools/security/nmap/default.nix b/pkgs/tools/security/nmap/default.nix
index f9c7dba5660..e1a46cf2b82 100644
--- a/pkgs/tools/security/nmap/default.nix
+++ b/pkgs/tools/security/nmap/default.nix
@@ -9,7 +9,7 @@
 with stdenv.lib;
 
 let
-  inherit (pythonPackages) python pygtk pygobject pycairo pysqlite;
+  inherit (pythonPackages) python pygtk pygobject2 pycairo pysqlite;
 in stdenv.mkDerivation rec {
   name = "nmap${optionalString graphicalSupport "-graphical"}-${version}";
   version = "7.12";
@@ -26,12 +26,12 @@ in stdenv.mkDerivation rec {
   postInstall = ''
       wrapProgram $out/bin/ndiff --prefix PYTHONPATH : "$(toPythonPath $out)" --prefix PYTHONPATH : "$PYTHONPATH"
   '' + optionalString graphicalSupport ''
-      wrapProgram $out/bin/zenmap --prefix PYTHONPATH : "$(toPythonPath $out)" --prefix PYTHONPATH : "$PYTHONPATH" --prefix PYTHONPATH : $(toPythonPath ${pygtk})/gtk-2.0 --prefix PYTHONPATH : $(toPythonPath ${pygobject})/gtk-2.0 --prefix PYTHONPATH : $(toPythonPath ${pycairo})/gtk-2.0
+      wrapProgram $out/bin/zenmap --prefix PYTHONPATH : "$(toPythonPath $out)" --prefix PYTHONPATH : "$PYTHONPATH" --prefix PYTHONPATH : $(toPythonPath ${pygtk})/gtk-2.0 --prefix PYTHONPATH : $(toPythonPath ${pygobject2})/gtk-2.0 --prefix PYTHONPATH : $(toPythonPath ${pycairo})/gtk-2.0
   '';
 
   buildInputs = [ libpcap pkgconfig openssl makeWrapper python ]
     ++ optionals graphicalSupport [
-      libX11 gtk pygtk pysqlite pygobject pycairo
+      libX11 gtk pygtk pysqlite pygobject2 pycairo
     ];
 
   meta = {
diff --git a/pkgs/tools/security/tor/torbrowser.nix b/pkgs/tools/security/tor/torbrowser.nix
index da45866ed2f..57fcfe717be 100644
--- a/pkgs/tools/security/tor/torbrowser.nix
+++ b/pkgs/tools/security/tor/torbrowser.nix
@@ -1,11 +1,11 @@
 { stdenv, fetchurl, makeDesktopItem
-, libXrender, libX11, libXext, libXt, alsaLib, dbus, dbus_glib, glib, gtk
+, libXrender, libX11, libXext, libXt, alsaLib, dbus, dbus_glib, glib, gtk2
 , atk, pango, freetype, fontconfig, gdk_pixbuf, cairo, zlib
 }:
 
 let
   libPath = stdenv.lib.makeLibraryPath [
-    stdenv.cc.cc zlib glib alsaLib dbus dbus_glib gtk atk pango freetype
+    stdenv.cc.cc zlib glib alsaLib dbus dbus_glib gtk2 atk pango freetype
     fontconfig gdk_pixbuf cairo libXrender libX11 libXext libXt
   ];
 in
diff --git a/pkgs/tools/system/bootchart/default.nix b/pkgs/tools/system/bootchart/default.nix
index 518fb4944f4..b5f1af6dfed 100644
--- a/pkgs/tools/system/bootchart/default.nix
+++ b/pkgs/tools/system/bootchart/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, lib, pkgconfig, glib, gtk, python27, pythonPackages }:
+{stdenv, fetchurl, lib, pkgconfig, glib, gtk2, python27, pythonPackages }:
 
 stdenv.mkDerivation rec {
   version = "0.14.7";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1abn4amsyys6vwn7csxsxny94n24ycca3xhqxqcmdc4j0dzn3kmb";
   };
 
-  buildInputs = [ pkgconfig glib gtk python27 pythonPackages.wrapPython pythonPackages.pygtk ];
+  buildInputs = [ pkgconfig glib gtk2 python27 pythonPackages.wrapPython pythonPackages.pygtk ];
   pythonPath = with pythonPackages; [ pygtk pycairo ];
 
   installPhase = ''
diff --git a/pkgs/tools/system/gdmap/default.nix b/pkgs/tools/system/gdmap/default.nix
index 7800bfa0831..1d33e5fb09f 100644
--- a/pkgs/tools/system/gdmap/default.nix
+++ b/pkgs/tools/system/gdmap/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, gtk, pkgconfig, libxml2, intltool, gettext }:
+{ stdenv, fetchurl, gtk2, pkgconfig, libxml2, intltool, gettext }:
 
 stdenv.mkDerivation rec {
   name = "gdmap-0.8.1";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0nr8l88cg19zj585hczj8v73yh21k7j13xivhlzl8jdk0j0cj052";
   };
 
-  buildInputs = [ gtk pkgconfig libxml2 intltool gettext ];
+  buildInputs = [ gtk2 pkgconfig libxml2 intltool gettext ];
 
   patches = [ ./get_sensitive.patch ./set_flags.patch ];
 
diff --git a/pkgs/tools/typesetting/xmlroff/default.nix b/pkgs/tools/typesetting/xmlroff/default.nix
index daa79d8e352..05ce5057347 100644
--- a/pkgs/tools/typesetting/xmlroff/default.nix
+++ b/pkgs/tools/typesetting/xmlroff/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, pkgconfig, libxml2, libxslt, popt, perl
-, glib, pango, pangoxsl, gtk, libtool, autoconf, automake }:
+, glib, pango, pangoxsl, gtk2, libtool, autoconf, automake }:
 
 stdenv.mkDerivation rec {
   name = "xmlroff-${version}";
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     glib
     pango
     pangoxsl
-    gtk
+    gtk2
     popt
   ];
 
diff --git a/pkgs/tools/video/mjpegtools/default.nix b/pkgs/tools/video/mjpegtools/default.nix
index ebfff5dbabc..71b1b43f653 100644
--- a/pkgs/tools/video/mjpegtools/default.nix
+++ b/pkgs/tools/video/mjpegtools/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, gtk, libdv, libjpeg, libpng, libX11, pkgconfig, SDL, SDL_gfx
+{ stdenv, lib, fetchurl, gtk2, libdv, libjpeg, libpng, libX11, pkgconfig, SDL, SDL_gfx
 , withMinimal ? false
 }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   hardeningDisable = [ "format" ];
 
   buildInputs = [ libdv libjpeg libpng pkgconfig ]
-              ++ lib.optional (!withMinimal) [ gtk libX11 SDL SDL_gfx ];
+              ++ lib.optional (!withMinimal) [ gtk2 libX11 SDL SDL_gfx ];
 
   NIX_CFLAGS_COMPILE = lib.optional (!withMinimal) "-I${SDL.dev}/include/SDL";
 
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 146e260f423..57370784834 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1939,11 +1939,11 @@ in
   sbsigntool = callPackage ../tools/security/sbsigntool { };
 
   gsmartcontrol = callPackage ../tools/misc/gsmartcontrol {
-    inherit (gnome) libglademm;
+    inherit (gnome2) libglademm;
   };
 
   gssdp = callPackage ../development/libraries/gssdp {
-    inherit (gnome) libsoup;
+    inherit (gnome2) libsoup;
   };
 
   gt5 = callPackage ../tools/system/gt5 { };
@@ -1966,7 +1966,7 @@ in
   gup = callPackage ../development/tools/build-managers/gup {};
 
   gupnp = callPackage ../development/libraries/gupnp {
-    inherit (gnome) libsoup;
+    inherit (gnome2) libsoup;
   };
 
   gupnp_av = callPackage ../development/libraries/gupnp-av {};
@@ -2601,7 +2601,7 @@ in
   mdbtools = callPackage ../tools/misc/mdbtools { };
 
   mdbtools_git = callPackage ../tools/misc/mdbtools/git.nix {
-    inherit (gnome) scrollkeeper;
+    inherit (gnome2) scrollkeeper;
   };
 
   mdk = callPackage ../development/tools/mdk { };
@@ -2788,7 +2788,7 @@ in
 
   networkmanager_openconnect = callPackage ../tools/networking/network-manager/openconnect.nix { };
 
-  networkmanagerapplet = newScope gnome ../tools/networking/network-manager-applet { };
+  networkmanagerapplet = newScope gnome2 ../tools/networking/network-manager-applet { };
 
   newsbeuter = callPackage ../applications/networking/feedreaders/newsbeuter { };
 
@@ -3361,7 +3361,7 @@ in
   reiserfsprogs = callPackage ../tools/filesystems/reiserfsprogs { };
 
   relfs = callPackage ../tools/filesystems/relfs {
-    inherit (gnome) gnome_vfs GConf;
+    inherit (gnome2) gnome_vfs GConf;
   };
 
   remarkjs = callPackage ../development/web/remarkjs { };
@@ -3694,7 +3694,7 @@ in
 
   stricat = callPackage ../tools/security/stricat { };
 
-  staruml = callPackage ../tools/misc/staruml { inherit (gnome) GConf; libgcrypt = libgcrypt_1_5; };
+  staruml = callPackage ../tools/misc/staruml { inherit (gnome2) GConf; libgcrypt = libgcrypt_1_5; };
 
   privoxy = callPackage ../tools/networking/privoxy {
     w3m = w3m-batch;
@@ -3912,7 +3912,7 @@ in
   vifm = callPackage ../applications/misc/vifm { };
 
   viking = callPackage ../applications/misc/viking {
-    inherit (gnome) scrollkeeper;
+    inherit (gnome2) scrollkeeper;
     inherit (gnome3) gexiv2;
   };
 
@@ -4217,9 +4217,9 @@ in
   xflux-gui = callPackage ../tools/misc/xflux/gui.nix {
     pexpect = pythonPackages.pexpect;
     pyGtkGlade = pythonPackages.pyGtkGlade;
-    pygobject = pythonPackages.pygobject;
+    pygobject = pythonPackages.pygobject2;
     pyxdg = pythonPackages.pyxdg;
-    gnome_python = gnome.gnome_python;
+    gnome_python = gnome2.gnome_python;
   };
 
   xfsprogs = callPackage ../tools/filesystems/xfsprogs { };
@@ -4385,7 +4385,7 @@ in
   };
 
   boo = callPackage ../development/compilers/boo {
-    inherit (gnome) gtksourceview;
+    inherit (gnome2) gtksourceview;
   };
 
   colm = callPackage ../development/compilers/colm { };
@@ -4666,8 +4666,8 @@ in
     langC = false;
     profiledCompiler = false;
     inherit zip unzip zlib boehmgc gettext pkgconfig perl;
-    inherit gtk;
-    inherit (gnome) libart_lgpl;
+    gtk = gtk2;
+    inherit (gnome2) libart_lgpl;
   });
 
   gnat = gnat45; # failed to make 4.6 or 4.8 build
@@ -5253,10 +5253,10 @@ in
     lablgl = callPackage ../development/ocaml-modules/lablgl { };
 
     lablgtk_2_14 = callPackage ../development/ocaml-modules/lablgtk/2.14.0.nix {
-      inherit (gnome) libgnomecanvas libglade gtksourceview;
+      inherit (gnome2) libgnomecanvas libglade gtksourceview;
     };
     lablgtk = callPackage ../development/ocaml-modules/lablgtk {
-      inherit (gnome) libgnomecanvas libglade gtksourceview;
+      inherit (gnome2) libgnomecanvas libglade gtksourceview;
     };
 
     lablgtk-extras =
@@ -5622,7 +5622,7 @@ in
   };
 
   thrust = callPackage ../development/tools/thrust {
-    gconf = pkgs.gnome.GConf;
+    gconf = pkgs.gnome2.GConf;
   };
 
   tinycc = callPackage ../development/compilers/tinycc { };
@@ -6102,8 +6102,8 @@ in
   guileCairo = callPackage ../development/guile-modules/guile-cairo { };
 
   guileGnome = callPackage ../development/guile-modules/guile-gnome {
-    gconf = gnome.GConf;
-    inherit (gnome) gnome_vfs libglade libgnome libgnomecanvas libgnomeui;
+    gconf = gnome2.GConf;
+    inherit (gnome2) gnome_vfs libglade libgnome libgnomecanvas libgnomeui;
   };
 
   guile_lib = callPackage ../development/guile-modules/guile-lib { };
@@ -6291,7 +6291,7 @@ in
 
   checkstyle = callPackage ../development/tools/analysis/checkstyle { };
 
-  chromedriver = callPackage ../development/tools/selenium/chromedriver { gconf = gnome.GConf; };
+  chromedriver = callPackage ../development/tools/selenium/chromedriver { gconf = gnome2.GConf; };
 
   chrpath = callPackage ../development/tools/misc/chrpath { };
 
@@ -6618,15 +6618,15 @@ in
   node_webkit = node_webkit_0_9;
 
   nwjs_0_12 = callPackage ../development/tools/node-webkit/nw12.nix {
-    gconf = pkgs.gnome.GConf;
+    gconf = pkgs.gnome2.GConf;
   };
 
   node_webkit_0_11 = callPackage ../development/tools/node-webkit/nw11.nix {
-    gconf = pkgs.gnome.GConf;
+    gconf = pkgs.gnome2.GConf;
   };
 
   node_webkit_0_9 = callPackage ../development/tools/node-webkit/nw9.nix {
-    gconf = pkgs.gnome.GConf;
+    gconf = pkgs.gnome2.GConf;
   };
 
   noweb = callPackage ../development/tools/literate-programming/noweb { };
@@ -6683,7 +6683,7 @@ in
   };
 
   radare = callPackage ../development/tools/analysis/radare {
-    inherit (gnome) vte;
+    inherit (gnome2) vte;
     lua = lua5;
     useX11 = config.radare.useX11 or false;
     pythonBindings = config.radare.pythonBindings or false;
@@ -6691,7 +6691,7 @@ in
     luaBindings = config.radare.luaBindings or false;
   };
   radare2 = callPackage ../development/tools/analysis/radare2 {
-    inherit (gnome) vte;
+    inherit (gnome2) vte;
     lua = lua5;
     useX11 = config.radare.useX11 or false;
     pythonBindings = config.radare.pythonBindings or false;
@@ -7048,7 +7048,7 @@ in
   classpath = callPackage ../development/libraries/java/classpath {
     javac = gcj;
     jvm = gcj;
-    gconf = gnome.GConf;
+    gconf = gnome2.GConf;
   };
 
   clearsilver = callPackage ../development/libraries/clearsilver { };
@@ -7230,7 +7230,7 @@ in
   faad2 = callPackage ../development/libraries/faad2 { };
 
   factor-lang = callPackage ../development/compilers/factor-lang {
-    inherit (pkgs.gnome) gtkglext;
+    inherit (pkgs.gnome2) gtkglext;
   };
 
   farbfeld = callPackage ../development/libraries/farbfeld { };
@@ -7359,7 +7359,7 @@ in
   gcab = callPackage ../development/libraries/gcab { };
 
   gdome2 = callPackage ../development/libraries/gdome2 {
-    inherit (gnome) gtkdoc;
+    inherit (gnome2) gtkdoc;
   };
 
   gdbm = callPackage ../development/libraries/gdbm { };
@@ -7374,7 +7374,9 @@ in
     inherit (darwin.apple_sdk.frameworks) OpenGL;
   };
 
-  gegl_0_3 = callPackage ../development/libraries/gegl/3.0.nix { };
+  gegl_0_3 = callPackage ../development/libraries/gegl/3.0.nix {
+    gtk = self.gtk2;
+  };
 
   geoclue = callPackage ../development/libraries/geoclue {};
 
@@ -7558,7 +7560,7 @@ in
   gnonlin = callPackage ../development/libraries/gstreamer/legacy/gnonlin {};
 
   gusb = callPackage ../development/libraries/gusb {
-    inherit (gnome) gtkdoc;
+    inherit (gnome2) gtkdoc;
   };
 
   qt-mobility = callPackage ../development/libraries/qt-mobility {};
@@ -7657,32 +7659,28 @@ in
 
   gtk3 = callPackage ../development/libraries/gtk+/3.x.nix { };
 
-  gtk = pkgs.gtk2;
-
-  gtkmm = callPackage ../development/libraries/gtkmm/2.x.nix { };
+  gtkmm2 = callPackage ../development/libraries/gtkmm/2.x.nix { };
   gtkmm3 = callPackage ../development/libraries/gtkmm/3.x.nix { };
 
   gtkmozembedsharp = callPackage ../development/libraries/gtkmozembed-sharp {
-    gtksharp = gtk-sharp;
+    gtksharp = gtk-sharp-2_0;
   };
 
   gtk-sharp-2_0 = callPackage ../development/libraries/gtk-sharp/2.0.nix {
-    inherit (gnome) libglade libgtkhtml gtkhtml
+    inherit (gnome2) libglade libgtkhtml gtkhtml
               libgnomecanvas libgnomeui libgnomeprint
               libgnomeprintui GConf;
   };
 
   gtk-sharp-3_0 = callPackage ../development/libraries/gtk-sharp/3.0.nix {
-    inherit (gnome) libglade libgtkhtml gtkhtml
+    inherit (gnome2) libglade libgtkhtml gtkhtml
               libgnomecanvas libgnomeui libgnomeprint
               libgnomeprintui GConf;
   };
 
-  gtk-sharp = gtk-sharp-2_0;
-
   gtk-sharp-beans = callPackage ../development/libraries/gtk-sharp-beans { };
 
-  gtkspell = callPackage ../development/libraries/gtkspell { };
+  gtkspell2 = callPackage ../development/libraries/gtkspell { };
 
   gtkspell3 = callPackage ../development/libraries/gtkspell/3.nix { };
 
@@ -7690,7 +7688,9 @@ in
 
   gts = callPackage ../development/libraries/gts { };
 
-  gvfs = callPackage ../development/libraries/gvfs { gconf = gnome.GConf; };
+  gvfs = callPackage ../development/libraries/gvfs {
+    gnome = self.gnome2;
+  };
 
   gwenhywfar = callPackage ../development/libraries/aqbanking/gwenhywfar.nix { };
 
@@ -7939,11 +7939,14 @@ in
 
   libcaca = callPackage ../development/libraries/libcaca { };
 
-  libcanberra = callPackage ../development/libraries/libcanberra { };
-  libcanberra_gtk3 = libcanberra.override { gtk = gtk3; };
+  libcanberra_gtk3 = callPackage ../development/libraries/libcanberra {
+    gtk = pkgs.gtk3; 
+  };
+  libcanberra_gtk2 = pkgs.libcanberra_gtk3.override { gtk = pkgs.gtk2; };
+
   libcanberra_kde = if (config.kde_runtime.libcanberraWithoutGTK or true)
-    then libcanberra.override { gtk = null; }
-    else libcanberra;
+    then pkgs.libcanberra_gtk2.override { gtk = null; }
+    else pkgs.libcanberra_gtk2;
 
   libcec = callPackage ../development/libraries/libcec { };
   libcec_platform = callPackage ../development/libraries/libcec/platform.nix { };
@@ -7960,7 +7963,7 @@ in
   libcdr = callPackage ../development/libraries/libcdr { lcms = lcms2; };
 
   libchamplain = callPackage ../development/libraries/libchamplain {
-    inherit (gnome) libsoup;
+    inherit (gnome2) libsoup;
   };
 
   libchardet = callPackage ../development/libraries/libchardet { };
@@ -8342,7 +8345,7 @@ in
   libiec61883 = callPackage ../development/libraries/libiec61883 { };
 
   libinfinity = callPackage ../development/libraries/libinfinity {
-    inherit (gnome) gtkdoc;
+    inherit (gnome2) gtkdoc;
   };
 
   libinput = callPackage ../development/libraries/libinput {
@@ -8636,7 +8639,7 @@ in
   libunibreak = callPackage ../development/libraries/libunibreak { };
 
   libunique = callPackage ../development/libraries/libunique/default.nix { };
-  libunique3 = callPackage ../development/libraries/libunique/3.x.nix { inherit (gnome) gtkdoc; };
+  libunique3 = callPackage ../development/libraries/libunique/3.x.nix { inherit (gnome2) gtkdoc; };
 
   liburcu = callPackage ../development/libraries/liburcu { };
 
@@ -9822,18 +9825,18 @@ in
   wxGTK = wxGTK28;
 
   wxGTK28 = callPackage ../development/libraries/wxGTK-2.8 {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
     withMesa = lib.elem system lib.platforms.mesaPlatforms;
   };
 
   wxGTK29 = callPackage ../development/libraries/wxGTK-2.9/default.nix {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
     inherit (darwin.stubs) setfile;
     withMesa = lib.elem system lib.platforms.mesaPlatforms;
   };
 
   wxGTK30 = callPackage ../development/libraries/wxGTK-3.0/default.nix {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
     inherit (darwin.stubs) setfile;
     withMesa = lib.elem system lib.platforms.mesaPlatforms;
   };
@@ -10048,7 +10051,7 @@ in
   smack = callPackage ../development/libraries/java/smack { };
 
   swt = callPackage ../development/libraries/java/swt {
-    inherit (gnome) libsoup;
+    inherit (gnome2) libsoup;
   };
 
 
@@ -10170,11 +10173,9 @@ in
 
   pyexiv2 = pythonPackages.pyexiv2;
 
-  pygobject = pythonPackages.pygobject;
-
-  pygobject3 = pythonPackages.pygobject3;
-
-  pygtk = pythonPackages.pygtk;
+  inherit (self.pythonPackages)
+    pygtk
+    pygobject2 pygobject3;
 
   pygtksourceview = pythonPackages.pygtksourceview;
 
@@ -10750,7 +10751,7 @@ in
 
   storm = callPackage ../servers/computing/storm { };
 
-  slurm-llnl = callPackage ../servers/computing/slurm { gtk = null; };
+  slurm-llnl = callPackage ../servers/computing/slurm { gtk2 = null; };
 
   slurm-llnl-full = appendToName "full" (callPackage ../servers/computing/slurm { });
 
@@ -11401,7 +11402,7 @@ in
 
     virtualbox = callPackage ../applications/virtualization/virtualbox {
       stdenv = stdenv_32bit;
-      inherit (gnome) libIDL;
+      inherit (gnome2) libIDL;
       enableExtensionPack = config.virtualbox.enableExtensionPack or false;
       pulseSupport = config.pulseaudio or false;
     };
@@ -11588,7 +11589,7 @@ in
   numad = callPackage ../os-specific/linux/numad { };
 
   open-vm-tools = callPackage ../applications/virtualization/open-vm-tools {
-    inherit (gnome) gtk gtkmm;
+    inherit (gnome2) gtk gtkmm;
   };
 
   go-bindata = callPackage ../development/tools/go-bindata { };
@@ -11734,7 +11735,7 @@ in
   sysfsutils = callPackage ../os-specific/linux/sysfsutils { };
 
   sysprof = callPackage ../development/tools/profiling/sysprof {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   # Provided with sysfsutils.
@@ -12242,7 +12243,9 @@ in
 
   inherit (callPackages ../data/fonts/tai-languages { }) tai-ahom;
 
-  tango-icon-theme = callPackage ../data/icons/tango-icon-theme { };
+  tango-icon-theme = callPackage ../data/icons/tango-icon-theme {
+    gtk = self.gtk2;
+  };
 
   themes = name: callPackage (../data/misc/themes + ("/" + name + ".nix")) {};
 
@@ -12324,7 +12327,7 @@ in
   };
 
   abiword = callPackage ../applications/office/abiword {
-    inherit (gnome) libglade libgnomecanvas;
+    inherit (gnome2) libglade libgnomecanvas;
     iconTheme = gnome3.defaultIconTheme;
   };
 
@@ -12384,12 +12387,12 @@ in
   ardour = ardour4;
 
   ardour3 =  callPackage ../applications/audio/ardour/ardour3.nix {
-    inherit (gnome) libgnomecanvas libgnomecanvasmm;
+    inherit (gnome2) libgnomecanvas libgnomecanvasmm;
     inherit (vamp) vampSDK;
   };
 
   ardour4 =  callPackage ../applications/audio/ardour {
-    inherit (gnome) libgnomecanvas libgnomecanvasmm;
+    inherit (gnome2) libgnomecanvas libgnomecanvasmm;
     inherit (vamp) vampSDK;
   };
 
@@ -12400,7 +12403,7 @@ in
   artha = callPackage ../applications/misc/artha { };
 
   atomEnv = callPackage ../applications/editors/atom/env.nix {
-    gconf = gnome.GConf;
+    gconf = gnome2.GConf;
   };
 
   atom = callPackage ../applications/editors/atom { };
@@ -12496,7 +12499,7 @@ in
   bazaarTools = callPackage ../applications/version-management/bazaar/tools.nix { };
 
   beast = callPackage ../applications/audio/beast {
-    inherit (gnome) libgnomecanvas libart_lgpl;
+    inherit (gnome2) libgnomecanvas libart_lgpl;
     guile = guile_1_8;
   };
 
@@ -12551,7 +12554,7 @@ in
   bviplus = callPackage ../applications/editors/bviplus { };
 
   calf = callPackage ../applications/audio/calf {
-      inherit (gnome) libglade;
+      inherit (gnome2) libglade;
   };
 
   calcurse = callPackage ../applications/misc/calcurse { };
@@ -12655,7 +12658,7 @@ in
   CompBus = callPackage ../applications/audio/CompBus { };
 
   compiz = callPackage ../applications/window-managers/compiz {
-    inherit (gnome) GConf ORBit2 metacity;
+    inherit (gnome2) GConf ORBit2 metacity;
   };
 
   constant-detune-chorus = callPackage ../applications/audio/constant-detune-chorus { };
@@ -12663,7 +12666,7 @@ in
   copyq = callPackage ../applications/misc/copyq { };
 
   coriander = callPackage ../applications/video/coriander {
-    inherit (gnome) libgnomeui GConf;
+    inherit (gnome2) libgnomeui GConf;
   };
 
   cortex = callPackage ../applications/misc/cortex { };
@@ -12733,7 +12736,7 @@ in
   });
 
   darktable = callPackage ../applications/graphics/darktable {
-    inherit (gnome) GConf libglade;
+    inherit (gnome2) GConf libglade;
     pugixml = pugixml.override { shared = true; };
   };
 
@@ -12758,7 +12761,7 @@ in
   dfilemanager = qt5.callPackage ../applications/misc/dfilemanager { };
 
   dia = callPackage ../applications/graphics/dia {
-    inherit (pkgs.gnome) libart_lgpl libgnomeui;
+    inherit (pkgs.gnome2) libart_lgpl libgnomeui;
   };
 
   diffuse = callPackage ../applications/version-management/diffuse { };
@@ -13091,7 +13094,7 @@ in
   eterm = callPackage ../applications/misc/eterm { };
 
   etherape = callPackage ../applications/networking/sniffers/etherape {
-    inherit (gnome) gnomedocutils libgnome libglade libgnomeui scrollkeeper;
+    inherit (gnome2) gnomedocutils libgnome libglade libgnomeui scrollkeeper;
   };
 
   evilvte = callPackage ../applications/misc/evilvte {
@@ -13188,7 +13191,7 @@ in
   grepm = callPackage ../applications/search/grepm { };
 
   grip = callPackage ../applications/misc/grip {
-    inherit (gnome) libgnome libgnomeui vte;
+    inherit (gnome2) libgnome libgnomeui vte;
   };
 
   gsimplecal = callPackage ../applications/misc/gsimplecal { };
@@ -13234,7 +13237,7 @@ in
   filezilla = callPackage ../applications/networking/ftp/filezilla { };
 
   inherit (callPackages ../applications/networking/browsers/firefox {
-    inherit (gnome) libIDL;
+    inherit (gnome2) libIDL;
     inherit (pythonPackages) pysqlite;
     libpng = libpng_apng;
     enableGTK3 = false;
@@ -13244,8 +13247,8 @@ in
   firefox-esr = wrapFirefox firefox-esr-unwrapped { };
 
   firefox-bin-unwrapped = callPackage ../applications/networking/browsers/firefox-bin {
-    gconf = pkgs.gnome.GConf;
-    inherit (pkgs.gnome) libgnome libgnomeui;
+    gconf = pkgs.gnome2.GConf;
+    inherit (pkgs.gnome2) libgnome libgnomeui;
     inherit (pkgs.gnome3) defaultIconTheme;
   };
 
@@ -13258,8 +13261,8 @@ in
 
   firefox-beta-bin-unwrapped = callPackage ../applications/networking/browsers/firefox-bin {
     generated = import ../applications/networking/browsers/firefox-bin/beta_sources.nix;
-    gconf = pkgs.gnome.GConf;
-    inherit (pkgs.gnome) libgnome libgnomeui;
+    gconf = pkgs.gnome2.GConf;
+    inherit (pkgs.gnome2) libgnome libgnomeui;
     inherit (pkgs.gnome3) defaultIconTheme;
   };
 
@@ -13287,7 +13290,7 @@ in
   fluxbox = callPackage ../applications/window-managers/fluxbox { };
 
   fme = callPackage ../applications/misc/fme {
-    inherit (gnome) libglademm;
+    inherit (gnome2) libglademm;
   };
 
   fomp = callPackage ../applications/audio/fomp { };
@@ -13327,7 +13330,7 @@ in
   get_iplayer = callPackage ../applications/misc/get_iplayer {};
 
   gimp_2_8 = callPackage ../applications/graphics/gimp/2.8.nix {
-    inherit (gnome) libart_lgpl;
+    inherit (gnome2) libart_lgpl;
     webkit = null;
     lcms = lcms2;
     wrapPython = pythonPackages.wrapPython;
@@ -13432,12 +13435,12 @@ in
   gmu = callPackage ../applications/audio/gmu { };
 
   gnash = callPackage ../applications/video/gnash {
-    inherit (gnome) gtkglext;
+    inherit (gnome2) gtkglext;
     xulrunner = firefox-unwrapped;
   };
 
   gnome_mplayer = callPackage ../applications/video/gnome-mplayer {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
   };
 
   gnumeric = callPackage ../applications/office/gnumeric { };
@@ -13449,7 +13452,7 @@ in
   gocr = callPackage ../applications/graphics/gocr { };
 
   gobby5 = callPackage ../applications/editors/gobby {
-    inherit (gnome) gtksourceview;
+    inherit (gnome2) gtksourceview;
   };
 
   gphoto2 = callPackage ../applications/misc/gphoto2 { };
@@ -13463,7 +13466,7 @@ in
 
   gtkpod = callPackage ../applications/audio/gtkpod {
     gnome = gnome3;
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   jbidwatcher = callPackage ../applications/misc/jbidwatcher {
@@ -13473,7 +13476,7 @@ in
   qrencode = callPackage ../tools/graphics/qrencode { };
 
   gecko_mediaplayer = callPackage ../applications/networking/browsers/mozilla-plugins/gecko-mediaplayer {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
     browser = firefox-unwrapped;
   };
 
@@ -13486,14 +13489,14 @@ in
   gmpc = callPackage ../applications/audio/gmpc {};
 
   gmtk = callPackage ../applications/networking/browsers/mozilla-plugins/gmtk {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
   };
 
   gnome-mpv = callPackage ../applications/video/gnome-mpv { };
 
   gollum = callPackage ../applications/misc/gollum { };
 
-  google-chrome = callPackage ../applications/networking/browsers/google-chrome { gconf = gnome.GConf; };
+  google-chrome = callPackage ../applications/networking/browsers/google-chrome { gconf = gnome2.GConf; };
 
   google-chrome-beta = google-chrome.override { channel = "beta"; };
 
@@ -13522,8 +13525,8 @@ in
   };
 
   guake = callPackage ../applications/misc/guake {
-    gconf = gnome.GConf;
-    vte = gnome.vte.override { pythonSupport = true; };
+    gconf = gnome2.GConf;
+    vte = gnome2.vte.override { pythonSupport = true; };
   };
 
   guitone = callPackage ../applications/version-management/guitone {
@@ -13544,7 +13547,7 @@ in
   hakuneko = callPackage ../tools/misc/hakuneko { };
 
   hamster-time-tracker = callPackage ../applications/misc/hamster-time-tracker {
-    inherit (gnome) gnome_python;
+    inherit (gnome2) gnome_python;
   };
 
   hello = callPackage ../applications/misc/hello { };
@@ -13579,7 +13582,7 @@ in
 
   hydrogen = callPackage ../applications/audio/hydrogen { };
 
-  hyperterm = callPackage ../applications/misc/hyperterm { inherit (gnome) GConf; };
+  hyperterm = callPackage ../applications/misc/hyperterm { inherit (gnome2) GConf; };
 
   slack = callPackage ../applications/networking/instant-messengers/slack { };
 
@@ -13782,7 +13785,7 @@ in
   kile = kde5.callPackage ../applications/editors/kile/frameworks.nix { };
 
   kino = callPackage ../applications/video/kino {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
     ffmpeg = ffmpeg_2;
   };
 
@@ -13838,7 +13841,7 @@ in
   lci = callPackage ../applications/science/logic/lci {};
 
   ldcpp = callPackage ../applications/networking/p2p/ldcpp {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   lemonbar = callPackage ../applications/window-managers/lemonbar { };
@@ -13856,7 +13859,7 @@ in
 
   libreoffice-fresh = lowPrio (callPackage ../applications/office/libreoffice {
     inherit (perlPackages) ArchiveZip CompressZlib;
-    inherit (gnome) GConf ORBit2 gnome_vfs;
+    inherit (gnome2) GConf ORBit2 gnome_vfs;
     inherit (gnome3) gsettings_desktop_schemas defaultIconTheme;
     zip = zip.override { enableNLS = false; };
     bluez5 = bluez5_28;
@@ -13874,7 +13877,7 @@ in
 
   libreoffice-still = lowPrio (callPackage ../applications/office/libreoffice/still.nix {
     inherit (perlPackages) ArchiveZip CompressZlib;
-    inherit (gnome) GConf ORBit2 gnome_vfs;
+    inherit (gnome2) GConf ORBit2 gnome_vfs;
     inherit (gnome3) gsettings_desktop_schemas defaultIconTheme;
     zip = zip.override { enableNLS = false; };
     #glm = glm_0954;
@@ -13898,7 +13901,7 @@ in
   };
 
   lingot = callPackage ../applications/audio/lingot {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   linuxband = callPackage ../applications/audio/linuxband { };
@@ -13949,7 +13952,7 @@ in
   };
 
   lilyterm = callPackage ../applications/misc/lilyterm {
-    inherit (gnome) vte;
+    inherit (gnome2) vte;
     gtk = gtk2;
   };
 
@@ -14055,7 +14058,7 @@ in
 
   monotoneViz = callPackage ../applications/version-management/monotone-viz {
     inherit (ocamlPackages_4_01_0) lablgtk ocaml camlp4;
-    inherit (gnome) libgnomecanvas glib;
+    inherit (gnome2) libgnomecanvas glib;
   };
 
   moonlight-embedded = callPackage ../applications/misc/moonlight-embedded { };
@@ -14149,7 +14152,7 @@ in
   multimon-ng = callPackage ../applications/misc/multimon-ng { };
 
   multisync = callPackage ../applications/misc/multisync {
-    inherit (gnome) ORBit2 libbonobo libgnomeui GConf;
+    inherit (gnome2) ORBit2 libbonobo libgnomeui GConf;
   };
 
   inherit (callPackages ../applications/networking/mumble {
@@ -14305,7 +14308,7 @@ in
   nvpy = callPackage ../applications/editors/nvpy { };
 
   obconf = callPackage ../tools/X11/obconf {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   obs-studio = qt5.callPackage ../applications/video/obs-studio {
@@ -14368,7 +14371,7 @@ in
   panotools = callPackage ../applications/graphics/panotools { };
 
   paprefs = callPackage ../applications/audio/paprefs {
-    inherit (gnome) libglademm gconfmm GConf;
+    inherit (gnome2) libglademm gconfmm GConf;
   };
 
   pavucontrol = callPackage ../applications/audio/pavucontrol { };
@@ -14391,7 +14394,7 @@ in
   perseus = callPackage ../applications/science/math/perseus {};
 
   petrifoo = callPackage ../applications/audio/petrifoo {
-    inherit (gnome) libgnomecanvas;
+    inherit (gnome2) libgnomecanvas;
   };
 
   pdftk = callPackage ../tools/typesetting/pdftk { };
@@ -14470,7 +14473,7 @@ in
   };
 
   pinta = callPackage ../applications/graphics/pinta {
-    gtksharp = gtk-sharp;
+    gtksharp = gtk-sharp-2_0;
   };
 
   plugin-torture = callPackage ../applications/audio/plugin-torture { };
@@ -14719,7 +14722,7 @@ in
   scite = callPackage ../applications/editors/scite { };
 
   scribus = callPackage ../applications/office/scribus {
-    inherit (gnome) libart_lgpl;
+    inherit (gnome2) libart_lgpl;
   };
 
   seafile-client = callPackage ../applications/networking/seafile-client { };
@@ -14884,7 +14887,7 @@ in
   };
 
   spotify = callPackage ../applications/audio/spotify {
-    inherit (gnome) GConf;
+    inherit (gnome2) GConf;
     libgcrypt = libgcrypt_1_5;
     libpng = libpng12;
   };
@@ -14979,7 +14982,7 @@ in
   tailor = callPackage ../applications/version-management/tailor {};
 
   tangogps = callPackage ../applications/misc/tangogps {
-    gconf = gnome.GConf;
+    gconf = gnome2.GConf;
   };
 
   teamspeak_client = qt55.callPackage ../applications/networking/instant-messengers/teamspeak/client.nix { };
@@ -15020,7 +15023,7 @@ in
   terminal-notifier = callPackage ../applications/misc/terminal-notifier {};
 
   terminator = callPackage ../applications/misc/terminator {
-    vte = gnome.vte.override { pythonSupport = true; };
+    vte = gnome2.vte.override { pythonSupport = true; };
     inherit (pythonPackages) notify;
   };
 
@@ -15035,14 +15038,14 @@ in
   thinkingRock = callPackage ../applications/misc/thinking-rock { };
 
   thunderbird = callPackage ../applications/networking/mailreaders/thunderbird {
-    inherit (gnome) libIDL;
+    inherit (gnome2) libIDL;
     inherit (pythonPackages) pysqlite;
     libpng = libpng_apng;
   };
 
   thunderbird-bin = callPackage ../applications/networking/mailreaders/thunderbird-bin {
-    gconf = pkgs.gnome.GConf;
-    inherit (pkgs.gnome) libgnome libgnomeui;
+    gconf = pkgs.gnome2.GConf;
+    inherit (pkgs.gnome2) libgnome libgnomeui;
   };
 
   tig = gitAndTools.tig;
@@ -15214,7 +15217,7 @@ in
   };
 
   virtmanager = callPackage ../applications/virtualization/virt-manager {
-    inherit (gnome) gnome_python;
+    inherit (gnome2) gnome_python;
     vte = gnome3.vte;
     dconf = gnome3.dconf;
     gtkvnc = gtkvnc.override { enableGTK3 = true; };
@@ -15350,7 +15353,7 @@ in
   wordnet = callPackage ../applications/misc/wordnet { };
 
   workrave = callPackage ../applications/misc/workrave {
-    inherit (gnome) GConf gconfmm;
+    inherit (gnome2) GConf gconfmm;
     inherit (python27Packages) cheetah;
   };
 
@@ -15413,7 +15416,7 @@ in
   wxhexeditor = callPackage ../applications/editors/wxhexeditor { };
 
   wxcam = callPackage ../applications/video/wxcam {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
     wxGTK = wxGTK28;
     gtk = gtk2;
   };
@@ -15513,7 +15516,7 @@ in
   xneur = xneur_0_13;
 
   gxneur = callPackage ../applications/misc/gxneur  {
-    inherit (gnome) libglade GConf;
+    inherit (gnome2) libglade GConf;
   };
 
   xiphos = callPackage ../applications/misc/xiphos {
@@ -15524,7 +15527,7 @@ in
   };
 
   xournal = callPackage ../applications/graphics/xournal {
-    inherit (gnome) libgnomeprint libgnomeprintui libgnomecanvas;
+    inherit (gnome2) libgnomeprint libgnomeprintui libgnomecanvas;
   };
 
   apvlv = callPackage ../applications/misc/apvlv { };
@@ -15577,7 +15580,7 @@ in
   xsd = callPackage ../development/libraries/xsd { };
 
   xscreensaver = callPackage ../misc/screensavers/xscreensaver {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
   };
 
   xss-lock = callPackage ../misc/screensavers/xss-lock { };
@@ -15609,7 +15612,7 @@ in
   xnee = callPackage ../tools/X11/xnee { };
 
   xvidcap = callPackage ../applications/video/xvidcap {
-    inherit (gnome) scrollkeeper libglade;
+    inherit (gnome2) scrollkeeper libglade;
   };
 
   xzgv = callPackage ../applications/graphics/xzgv { };
@@ -16274,24 +16277,26 @@ in
     callPackage = newScope pkgs.enlightenment;
   });
 
-  gnome2 = callPackage ../desktops/gnome-2 {
+  gnome2 = recurseIntoAttrs (callPackage ../desktops/gnome-2 {
     callPackage = pkgs.newScope pkgs.gnome2;
     self = pkgs.gnome2;
   } // {
     inherit (pkgs)
       # GTK Libs
-      glib glibmm atk atkmm cairo pango pangomm gdk_pixbuf gtk gtkmm
+      glib glibmm atk atkmm cairo pango pangomm gdk_pixbuf gtkmm2
 
       # Included for backwards compatibility
       libsoup libwnck gtk_doc gnome_doc_utils;
-  };
+
+    gtk = self.gtk2;
+    gtkmm = self.gtkmm2;
+    libcanberra = self.libcanberra_gtk2;
+  });
 
   gnome3_20 = recurseIntoAttrs (callPackage ../desktops/gnome-3/3.20 { });
 
   gnome3 = gnome3_20;
 
-  gnome = recurseIntoAttrs gnome2;
-
   hsetroot = callPackage ../tools/X11/hsetroot { };
 
   kakasi = callPackage ../tools/text/kakasi { };
@@ -16562,7 +16567,7 @@ in
   ### SCIENCE/GEOMETRY
 
   drgeo = callPackage ../applications/science/geometry/drgeo {
-    inherit (gnome) libglade;
+    inherit (gnome2) libglade;
     guile = guile_1_8;
   };
 
@@ -17000,7 +17005,7 @@ in
   pcalc = callPackage ../applications/science/math/pcalc { };
 
   pspp = callPackage ../applications/science/math/pssp {
-    inherit (gnome) libglade gtksourceview;
+    inherit (gnome2) libglade gtksourceview;
   };
 
   singular = callPackage ../applications/science/math/singular {};
@@ -17037,7 +17042,7 @@ in
 
   celestia = callPackage ../applications/science/astronomy/celestia {
     lua = lua5_1;
-    inherit (pkgs.gnome) gtkglext;
+    inherit (pkgs.gnome2) gtkglext;
   };
 
   cytoscape = callPackage ../applications/science/misc/cytoscape { };
@@ -17142,7 +17147,7 @@ in
 
   darling-dmg = callPackage ../tools/filesystems/darling-dmg { };
 
-  desmume = callPackage ../misc/emulators/desmume { inherit (pkgs.gnome) gtkglext libglade; };
+  desmume = callPackage ../misc/emulators/desmume { inherit (pkgs.gnome2) gtkglext libglade; };
 
   dbacl = callPackage ../tools/misc/dbacl { };
 
@@ -17162,7 +17167,7 @@ in
 
   dpkg = callPackage ../tools/package-management/dpkg { };
 
-  ekiga = newScope pkgs.gnome ../applications/networking/instant-messengers/ekiga { };
+  ekiga = newScope pkgs.gnome2 ../applications/networking/instant-messengers/ekiga { };
 
   emulationstation = callPackage ../misc/emulators/emulationstation { };
 
@@ -17273,7 +17278,7 @@ in
   martyr = callPackage ../development/libraries/martyr { };
 
   mess = callPackage ../misc/emulators/mess {
-    inherit (pkgs.gnome) GConf;
+    inherit (pkgs.gnome2) GConf;
   };
 
   moltengamepad = callPackage ../misc/drivers/moltengamepad { };
@@ -17347,7 +17352,7 @@ in
 
   mnemonicode = callPackage ../misc/mnemonicode { };
 
-  mysqlWorkbench = newScope gnome ../applications/misc/mysql-workbench {
+  mysqlWorkbench = newScope gnome2 ../applications/misc/mysql-workbench {
     lua = lua5_1;
     libctemplate = libctemplate_2_2;
   };
@@ -17686,7 +17691,7 @@ in
   snes9x-gtk = callPackage ../misc/emulators/snes9x-gtk { };
 
   higan = callPackage ../misc/emulators/higan {
-    inherit (gnome) gtksourceview;
+    inherit (gnome2) gtksourceview;
   };
 
   misc = callPackage ../misc/misc.nix { };
diff --git a/pkgs/top-level/dotnet-packages.nix b/pkgs/top-level/dotnet-packages.nix
index f287a35bdc4..3508f1a1547 100644
--- a/pkgs/top-level/dotnet-packages.nix
+++ b/pkgs/top-level/dotnet-packages.nix
@@ -580,7 +580,7 @@ let self = dotnetPackages // overrides; dotnetPackages = with self; {
       sha256 = "1hnn0a2qsjcjprsxas424bzvhsdwy0yc2jj5xbp698c0m9kfk24y";
     };
 
-    buildInputs = [ pkgs.gtk-sharp ];
+    buildInputs = [ pkgs.gtk-sharp-2_0 ];
 
     meta = {
       description = "A generic framework for creating extensible applications";
diff --git a/pkgs/top-level/lua-packages.nix b/pkgs/top-level/lua-packages.nix
index 83499fa3218..7fb5cf38d93 100644
--- a/pkgs/top-level/lua-packages.nix
+++ b/pkgs/top-level/lua-packages.nix
@@ -7,7 +7,7 @@
 
 { fetchurl, fetchzip, stdenv, lua, callPackage, unzip, zziplib, pkgconfig, libtool
 , pcre, oniguruma, gnulib, tre, glibc, sqlite, openssl, expat, cairo
-, perl, gtk, python, glib, gobjectIntrospection, libevent, zlib, autoreconfHook
+, perl, gtk2, python, glib, gobjectIntrospection, libevent, zlib, autoreconfHook
 , fetchFromGitHub, libmpack
 }:
 
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5e4c6cdff49..c1a8a02f77c 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -232,8 +232,7 @@ in modules // {
 
   pygame-git = callPackage ../development/python-modules/pygame/git.nix { };
 
-  pygobject = callPackage ../development/python-modules/pygobject { };
-
+  pygobject2 = callPackage ../development/python-modules/pygobject { };
   pygobject3 = callPackage ../development/python-modules/pygobject/3.nix { };
 
   pygtk = callPackage ../development/python-modules/pygtk { libglade = null; };
@@ -241,7 +240,7 @@ in modules // {
   pygtksourceview = callPackage ../development/python-modules/pygtksourceview { };
 
   pyGtkGlade = self.pygtk.override {
-    libglade = pkgs.gnome.libglade;
+    libglade = pkgs.gnome2.libglade;
   };
 
   pyqt4 = callPackage ../development/python-modules/pyqt/4.x.nix {
@@ -14821,7 +14820,7 @@ in modules // {
         configure
     '';
 
-    buildInputs = with self; [ python pkgs.pkgconfig pkgs.libnotify pygobject pygtk pkgs.glib pkgs.gtk pkgs.dbus_glib ];
+    buildInputs = with self; [ python pkgs.pkgconfig pkgs.libnotify pygobject2 pygtk pkgs.glib pkgs.gtk2 pkgs.dbus_glib ];
 
     postInstall = "cd $out/lib/python*/site-packages && ln -s gtk-*/pynotify .";
 
@@ -22802,7 +22801,7 @@ in modules // {
     # error: invalid command 'test'
     doCheck = false;
 
-    propagatedBuildInputs = with self; [ pkgs.xorg.libX11 dbus-python pygobject ];
+    propagatedBuildInputs = with self; [ pkgs.xorg.libX11 dbus-python pygobject2 ];
 
     meta = {
       description = "High-level, platform independent Skype API wrapper for Python";