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-rw-r--r--pkgs/applications/graphics/ImageMagick/7.0.nix6
-rw-r--r--pkgs/applications/graphics/ImageMagick/default.nix12
-rw-r--r--pkgs/applications/graphics/ahoviewer/default.nix4
-rw-r--r--pkgs/applications/graphics/akira/default.nix4
-rw-r--r--pkgs/applications/graphics/autotrace/default.nix4
-rw-r--r--pkgs/applications/graphics/darktable/default.nix4
-rw-r--r--pkgs/applications/graphics/dia/default.nix4
-rw-r--r--pkgs/applications/graphics/displaycal/default.nix4
-rw-r--r--pkgs/applications/graphics/djview/default.nix4
-rw-r--r--pkgs/applications/graphics/drawing/default.nix4
-rw-r--r--pkgs/applications/graphics/epeg/default.nix4
-rw-r--r--pkgs/applications/graphics/exrdisplay/default.nix4
-rw-r--r--pkgs/applications/graphics/exrtools/default.nix4
-rw-r--r--pkgs/applications/graphics/fbida/default.nix4
-rw-r--r--pkgs/applications/graphics/fondo/default.nix4
-rw-r--r--pkgs/applications/graphics/freecad/default.nix4
-rw-r--r--pkgs/applications/graphics/gcolor2/default.nix4
-rw-r--r--pkgs/applications/graphics/geeqie/default.nix4
-rw-r--r--pkgs/applications/graphics/gimp/default.nix4
-rw-r--r--pkgs/applications/graphics/glabels/default.nix4
-rw-r--r--pkgs/applications/graphics/gnome-photos/default.nix4
-rw-r--r--pkgs/applications/graphics/gnuclad/default.nix4
-rw-r--r--pkgs/applications/graphics/goxel/default.nix4
-rw-r--r--pkgs/applications/graphics/gpicview/default.nix4
-rw-r--r--pkgs/applications/graphics/gqview/default.nix6
-rw-r--r--pkgs/applications/graphics/grafx2/default.nix4
-rw-r--r--pkgs/applications/graphics/gthumb/default.nix4
-rw-r--r--pkgs/applications/graphics/guetzli/default.nix4
-rw-r--r--pkgs/applications/graphics/hugin/default.nix4
-rw-r--r--pkgs/applications/graphics/ideogram/default.nix4
-rw-r--r--pkgs/applications/graphics/imv/default.nix4
-rw-r--r--pkgs/applications/graphics/ipe/default.nix4
-rw-r--r--pkgs/applications/graphics/k3d/default.nix4
-rw-r--r--pkgs/applications/graphics/kgraphviewer/default.nix4
-rw-r--r--pkgs/applications/graphics/ktikz/default.nix4
-rw-r--r--pkgs/applications/graphics/luminance-hdr/default.nix4
-rw-r--r--pkgs/applications/graphics/mozjpeg/default.nix4
-rw-r--r--pkgs/applications/graphics/mypaint/default.nix4
-rw-r--r--pkgs/applications/graphics/nomacs/default.nix4
-rw-r--r--pkgs/applications/graphics/openimageio/2.x.nix2
-rw-r--r--pkgs/applications/graphics/openscad/default.nix4
-rw-r--r--pkgs/applications/graphics/opentoonz/default.nix4
-rw-r--r--pkgs/applications/graphics/photivo/default.nix4
-rw-r--r--pkgs/applications/graphics/photoflow/default.nix4
-rw-r--r--pkgs/applications/graphics/pqiv/default.nix4
-rw-r--r--pkgs/applications/graphics/qcomicbook/default.nix4
-rw-r--r--pkgs/applications/graphics/qimgv/default.nix4
-rw-r--r--pkgs/applications/graphics/qiv/default.nix4
-rw-r--r--pkgs/applications/graphics/rawtherapee/default.nix4
-rw-r--r--pkgs/applications/graphics/renderdoc/default.nix4
-rw-r--r--pkgs/applications/graphics/sane/backends/generic.nix4
-rw-r--r--pkgs/applications/graphics/sane/frontends.nix4
-rw-r--r--pkgs/applications/graphics/sane/xsane.nix4
-rw-r--r--pkgs/applications/graphics/shotwell/default.nix4
-rw-r--r--pkgs/applications/graphics/solvespace/default.nix4
-rw-r--r--pkgs/applications/graphics/synfigstudio/default.nix6
-rw-r--r--pkgs/applications/graphics/tesseract/tesseract3.nix4
-rw-r--r--pkgs/applications/graphics/tesseract/tesseract4.nix4
-rw-r--r--pkgs/applications/graphics/viewnior/default.nix4
-rw-r--r--pkgs/applications/graphics/xournal/default.nix4
-rw-r--r--pkgs/applications/graphics/xzgv/default.nix4
-rw-r--r--pkgs/applications/graphics/yacreader/default.nix4
-rw-r--r--pkgs/applications/graphics/zgv/default.nix4
63 files changed, 132 insertions, 132 deletions
diff --git a/pkgs/applications/graphics/ImageMagick/7.0.nix b/pkgs/applications/graphics/ImageMagick/7.0.nix
index 9d52046ba0c..ee608b7538f 100644
--- a/pkgs/applications/graphics/ImageMagick/7.0.nix
+++ b/pkgs/applications/graphics/ImageMagick/7.0.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libtool
+{ lib, stdenv, fetchFromGitHub, pkg-config, libtool
 , bzip2, zlib, libX11, libXext, libXt, fontconfig, freetype, ghostscript, libjpeg, djvulibre
 , lcms2, openexr, libpng, librsvg, libtiff, libxml2, openjpeg, libwebp, libheif
 , ApplicationServices
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
       [ "--enable-static" "--disable-shared" ] # due to libxml2 being without DLLs ATM
     ;
 
-  nativeBuildInputs = [ pkgconfig libtool ];
+  nativeBuildInputs = [ pkg-config libtool ];
 
   buildInputs =
     [ zlib fontconfig freetype ghostscript
@@ -72,7 +72,7 @@ stdenv.mkDerivation {
     moveToOutput "lib/ImageMagick-*/config-Q16HDRI" "$dev" # includes configure params
     for file in "$dev"/bin/*-config; do
       substituteInPlace "$file" --replace pkg-config \
-        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config'"
+        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config'"
     done
   '' + lib.optionalString (ghostscript != null) ''
     for la in $out/lib/*.la; do
diff --git a/pkgs/applications/graphics/ImageMagick/default.nix b/pkgs/applications/graphics/ImageMagick/default.nix
index 42f157e5313..ad559a6f216 100644
--- a/pkgs/applications/graphics/ImageMagick/default.nix
+++ b/pkgs/applications/graphics/ImageMagick/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, libtool
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, libtool
 , bzip2, zlib, libX11, libXext, libXt, fontconfig, freetype, ghostscript, libjpeg, djvulibre
 , lcms2, openexr, libpng, librsvg, libtiff, libxml2, openjpeg, libwebp, fftw, libheif, libde265
 , ApplicationServices
@@ -62,7 +62,7 @@ stdenv.mkDerivation {
       [ "--enable-static" "--disable-shared" ] # due to libxml2 being without DLLs ATM
     ;
 
-  nativeBuildInputs = [ pkgconfig libtool ];
+  nativeBuildInputs = [ pkg-config libtool ];
 
   buildInputs =
     [ zlib fontconfig freetype ghostscript
@@ -85,10 +85,10 @@ stdenv.mkDerivation {
     moveToOutput "bin/*-config" "$dev"
     moveToOutput "lib/ImageMagick-*/config-Q16" "$dev" # includes configure params
     for file in "$dev"/bin/*-config; do
-      substituteInPlace "$file" --replace "${pkgconfig}/bin/pkg-config -config" \
-        ${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config
-      substituteInPlace "$file" --replace ${pkgconfig}/bin/pkg-config \
-        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkgconfig}/bin/${pkgconfig.targetPrefix}pkg-config'"
+      substituteInPlace "$file" --replace "${pkg-config}/bin/pkg-config -config" \
+        ${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config
+      substituteInPlace "$file" --replace ${pkg-config}/bin/pkg-config \
+        "PKG_CONFIG_PATH='$dev/lib/pkgconfig' '${pkg-config}/bin/${pkg-config.targetPrefix}pkg-config'"
     done
   '' + lib.optionalString (ghostscript != null) ''
     for la in $out/lib/*.la; do
diff --git a/pkgs/applications/graphics/ahoviewer/default.nix b/pkgs/applications/graphics/ahoviewer/default.nix
index ec146767a6a..0a611515b0d 100644
--- a/pkgs/applications/graphics/ahoviewer/default.nix
+++ b/pkgs/applications/graphics/ahoviewer/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchFromGitHub, pkgconfig, libconfig
+{ config, lib, stdenv, fetchFromGitHub, pkg-config, libconfig
 , gtkmm2, glibmm, libxml2, libsecret, curl, libzip
 , librsvg, gst_all_1, autoreconfHook, makeWrapper
 , useUnrar ? config.ahoviewer.useUnrar or false, unrar
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig makeWrapper ];
+  nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper ];
   buildInputs = [
     glibmm libconfig gtkmm2 glibmm libxml2
     libsecret curl libzip librsvg
diff --git a/pkgs/applications/graphics/akira/default.nix b/pkgs/applications/graphics/akira/default.nix
index 4d0cc46bb59..c2d8a4bda35 100644
--- a/pkgs/applications/graphics/akira/default.nix
+++ b/pkgs/applications/graphics/akira/default.nix
@@ -6,7 +6,7 @@
 , meson
 , ninja
 , pantheon
-, pkgconfig
+, pkg-config
 , python3
 , vala
 , vala-lint
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     vala-lint
diff --git a/pkgs/applications/graphics/autotrace/default.nix b/pkgs/applications/graphics/autotrace/default.nix
index 5e8e1e63344..e3b966353ff 100644
--- a/pkgs/applications/graphics/autotrace/default.nix
+++ b/pkgs/applications/graphics/autotrace/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, callPackage, libpng12, imagemagick
-, autoreconfHook, glib, pstoedit, pkgconfig, gettext, gd, darwin
+, autoreconfHook, glib, pstoedit, pkg-config, gettext, gd, darwin
 , runtimeShell }:
 
 # TODO: Figure out why the resultant binary is somehow linked against
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   #'';
 
   autofig = callPackage ./autofig.nix {};
-  nativeBuildInputs = [ autoreconfHook glib autofig pkgconfig gettext ];
+  nativeBuildInputs = [ autoreconfHook glib autofig pkg-config gettext ];
   buildInputs = [ libpng12 imagemagick pstoedit ]
     ++ lib.optionals stdenv.isDarwin
        (with darwin.apple_sdk.frameworks; [ gd ApplicationServices ]);
diff --git a/pkgs/applications/graphics/darktable/default.nix b/pkgs/applications/graphics/darktable/default.nix
index 550b23173fc..0f47b87d4ac 100644
--- a/pkgs/applications/graphics/darktable/default.nix
+++ b/pkgs/applications/graphics/darktable/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, fetchurl, libsoup, graphicsmagick, json-glib, wrapGAppsHook
 , cairo, cmake, ninja, curl, perl, llvm, desktop-file-utils, exiv2, glib
 , ilmbase, gtk3, intltool, lcms2, lensfun, libX11, libexif, libgphoto2, libjpeg
-, libpng, librsvg, libtiff, openexr, osm-gps-map, pkgconfig, sqlite, libxslt
+, libpng, librsvg, libtiff, openexr, osm-gps-map, pkg-config, sqlite, libxslt
 , openjpeg, lua, pugixml, colord, colord-gtk, libwebp, libsecret, gnome3
 , ocl-icd, pcre, gtk-mac-integration, isocodes, llvmPackages
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "6dd3de1f5ea9f94af92838c0be5ff30fdaa599aa1d737dcb562f9e0b2b2dbdda";
   };
 
-  nativeBuildInputs = [ cmake ninja llvm pkgconfig intltool perl desktop-file-utils wrapGAppsHook ];
+  nativeBuildInputs = [ cmake ninja llvm pkg-config intltool perl desktop-file-utils wrapGAppsHook ];
 
   buildInputs = [
     cairo curl exiv2 glib gtk3 ilmbase lcms2 lensfun libexif
diff --git a/pkgs/applications/graphics/dia/default.nix b/pkgs/applications/graphics/dia/default.nix
index 2648828cfdc..6fe8aed8f67 100644
--- a/pkgs/applications/graphics/dia/default.nix
+++ b/pkgs/applications/graphics/dia/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, autoconf, automake, libtool, gtk2, pkgconfig, perlPackages,
+{ lib, stdenv, fetchgit, autoconf, automake, libtool, gtk2, pkg-config, perlPackages,
 libxml2, gettext, python, libxml2Python, docbook5, docbook_xsl,
 libxslt, intltool, libart_lgpl, withGNOME ? false, libgnomeui,
 gtk-mac-integration-gtk2 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
       ++ lib.optional withGNOME libgnomeui
       ++ lib.optional stdenv.isDarwin gtk-mac-integration-gtk2;
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig intltool ]
+  nativeBuildInputs = [ autoconf automake libtool pkg-config intltool ]
     ++ (with perlPackages; [ perl XMLParser ]);
 
   preConfigure = ''
diff --git a/pkgs/applications/graphics/displaycal/default.nix b/pkgs/applications/graphics/displaycal/default.nix
index 9437d04108c..d1cee064aee 100644
--- a/pkgs/applications/graphics/displaycal/default.nix
+++ b/pkgs/applications/graphics/displaycal/default.nix
@@ -1,7 +1,7 @@
 { python2
 , lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , libXext
 , libXxf86vm
 , libX11
@@ -38,7 +38,7 @@ in buildPythonApplication rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
 
   preConfigure = ''
diff --git a/pkgs/applications/graphics/djview/default.nix b/pkgs/applications/graphics/djview/default.nix
index 1b475df92a6..ef100e5f7bd 100644
--- a/pkgs/applications/graphics/djview/default.nix
+++ b/pkgs/applications/graphics/djview/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , mkDerivation
 , fetchurl
-, pkgconfig
+, pkg-config
 , djvulibre
 , qtbase
 , qttools
@@ -20,7 +20,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     qttools
   ];
 
diff --git a/pkgs/applications/graphics/drawing/default.nix b/pkgs/applications/graphics/drawing/default.nix
index a0d28689ae7..0feb72f64aa 100644
--- a/pkgs/applications/graphics/drawing/default.nix
+++ b/pkgs/applications/graphics/drawing/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , gtk3
 , appstream-glib
@@ -34,7 +34,7 @@ python3.pkgs.buildPythonApplication rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     glib
     gettext
diff --git a/pkgs/applications/graphics/epeg/default.nix b/pkgs/applications/graphics/epeg/default.nix
index 75f1fb9acd1..942a6d63bd5 100644
--- a/pkgs/applications/graphics/epeg/default.nix
+++ b/pkgs/applications/graphics/epeg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libtool, autoconf, automake
+{ lib, stdenv, fetchFromGitHub, pkg-config, libtool, autoconf, automake
 , libjpeg, libexif
 }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig libtool autoconf automake ];
+  nativeBuildInputs = [ pkg-config libtool autoconf automake ];
 
   propagatedBuildInputs = [ libjpeg libexif ];
 
diff --git a/pkgs/applications/graphics/exrdisplay/default.nix b/pkgs/applications/graphics/exrdisplay/default.nix
index 12e4ec4496d..c31c1407da7 100644
--- a/pkgs/applications/graphics/exrdisplay/default.nix
+++ b/pkgs/applications/graphics/exrdisplay/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, fltk, openexr, libGLU, libGL, ctl }:
+{ lib, stdenv, fetchurl, pkg-config, fltk, openexr, libGLU, libGL, ctl }:
 
 stdenv.mkDerivation {
   name ="openexr_viewers-2.2.1";
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     make LDFLAGS="`fltk-config --ldflags` -lGL -lfltk_gl"
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openexr fltk libGLU libGL ctl ];
 
   meta = {
diff --git a/pkgs/applications/graphics/exrtools/default.nix b/pkgs/applications/graphics/exrtools/default.nix
index c50b6d0c2ad..1985176765f 100644
--- a/pkgs/applications/graphics/exrtools/default.nix
+++ b/pkgs/applications/graphics/exrtools/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, openexr, libpng12, libjpeg }:
+{ lib, stdenv, fetchurl, pkg-config, openexr, libpng12, libjpeg }:
 
 stdenv.mkDerivation rec {
   pname = "exrtools";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0jpkskqs1yjiighab4s91jy0c0qxcscwadfn94xy2mm2bx2qwp4z";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ stdenv openexr libpng12 libjpeg ];
 
   meta = with lib; {
diff --git a/pkgs/applications/graphics/fbida/default.nix b/pkgs/applications/graphics/fbida/default.nix
index 4754cc1a024..9ed6ee75159 100644
--- a/pkgs/applications/graphics/fbida/default.nix
+++ b/pkgs/applications/graphics/fbida/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libjpeg, libexif, libungif, libtiff, libpng, libwebp, libdrm
-, pkgconfig, freetype, fontconfig, which, imagemagick, curl, sane-backends, libXpm
+, pkg-config, freetype, fontconfig, which, imagemagick, curl, sane-backends, libXpm
 , epoxy, poppler, mesa, lirc }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f242mix20rgsqz1llibhsz4r2pbvx6k32rmky0zjvnbaqaw1dwm";
   };
 
-  nativeBuildInputs = [ pkgconfig which ];
+  nativeBuildInputs = [ pkg-config which ];
   buildInputs = [
     libexif libjpeg libpng libungif freetype fontconfig libtiff libwebp
     imagemagick curl sane-backends libdrm libXpm epoxy poppler lirc
diff --git a/pkgs/applications/graphics/fondo/default.nix b/pkgs/applications/graphics/fondo/default.nix
index 6aa84846f3a..49e8fee513d 100644
--- a/pkgs/applications/graphics/fondo/default.nix
+++ b/pkgs/applications/graphics/fondo/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , pantheon
 , vala
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , python3
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/graphics/freecad/default.nix b/pkgs/applications/graphics/freecad/default.nix
index ebf8b9ee606..3563220f2b8 100644
--- a/pkgs/applications/graphics/freecad/default.nix
+++ b/pkgs/applications/graphics/freecad/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv, mkDerivation, fetchFromGitHub, fetchpatch, cmake, ninja, coin3d,
 xercesc, ode, eigen, qtbase, qttools, qtwebengine, qtxmlpatterns, wrapQtAppsHook,
 opencascade-occt, gts, hdf5, vtk, medfile, zlib, python3Packages, swig,
-gfortran, libXmu, soqt, libf2c, libGLU, makeWrapper, pkgconfig, mpi ? null }:
+gfortran, libXmu, soqt, libf2c, libGLU, makeWrapper, pkg-config, mpi ? null }:
 
 assert mpi != null;
 
@@ -21,7 +21,7 @@ in mkDerivation rec {
   nativeBuildInputs = [
     cmake
     ninja
-    pkgconfig
+    pkg-config
     pythonPackages.pyside2-tools
     wrapQtAppsHook
   ];
diff --git a/pkgs/applications/graphics/gcolor2/default.nix b/pkgs/applications/graphics/gcolor2/default.nix
index 34391754e7f..0e79f981fbc 100644
--- a/pkgs/applications/graphics/gcolor2/default.nix
+++ b/pkgs/applications/graphics/gcolor2/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, gtk2, perlPackages, pkgconfig } :
+{lib, stdenv, fetchurl, gtk2, perlPackages, pkg-config } :
 
 let version = "0.4"; in
 stdenv.mkDerivation {
@@ -20,7 +20,7 @@ stdenv.mkDerivation {
         [ ./gcolor2-amd64.patch ] else
         [ ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 ]
     ++ (with perlPackages; [ perl XMLParser ]);
 
diff --git a/pkgs/applications/graphics/geeqie/default.nix b/pkgs/applications/graphics/geeqie/default.nix
index f107d492434..ff1df143141 100644
--- a/pkgs/applications/graphics/geeqie/default.nix
+++ b/pkgs/applications/graphics/geeqie/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, autoconf, automake, gettext, intltool
+{ lib, stdenv, fetchurl, pkg-config, autoconf, automake, gettext, intltool
 , gtk3, lcms2, exiv2, libchamplain, clutter-gtk, ffmpegthumbnailer, fbida
 , wrapGAppsHook, fetchpatch
 }:
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
 
   preConfigure = "./autogen.sh";
 
-  nativeBuildInputs = [ pkgconfig autoconf automake gettext intltool
+  nativeBuildInputs = [ pkg-config autoconf automake gettext intltool
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/graphics/gimp/default.nix b/pkgs/applications/graphics/gimp/default.nix
index 4ba7cb8eb03..62f1a362771 100644
--- a/pkgs/applications/graphics/gimp/default.nix
+++ b/pkgs/applications/graphics/gimp/default.nix
@@ -3,7 +3,7 @@
 , fetchurl
 , substituteAll
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , intltool
 , babl
 , gegl
@@ -76,7 +76,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook # hardcode-plugin-interpreters.patch changes Makefile.am
-    pkgconfig
+    pkg-config
     intltool
     gettext
     makeWrapper
diff --git a/pkgs/applications/graphics/glabels/default.nix b/pkgs/applications/graphics/glabels/default.nix
index 37387e2a720..33337739364 100644
--- a/pkgs/applications/graphics/glabels/default.nix
+++ b/pkgs/applications/graphics/glabels/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchurl, barcode, gnome3, autoreconfHook
 , gtk3, gtk-doc, libxml2, librsvg , libtool, libe-book, gsettings-desktop-schemas
-, intltool, itstool, makeWrapper, pkgconfig, yelp-tools
+, intltool, itstool, makeWrapper, pkg-config, yelp-tools
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0f2rki8i27pkd9r0gz03cdl1g4vnmvp0j49nhxqn275vi8lmgr0q";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig makeWrapper intltool ];
+  nativeBuildInputs = [ autoreconfHook pkg-config makeWrapper intltool ];
   buildInputs = [
     barcode gtk3 gtk-doc yelp-tools
     gnome3.gnome-common gsettings-desktop-schemas
diff --git a/pkgs/applications/graphics/gnome-photos/default.nix b/pkgs/applications/graphics/gnome-photos/default.nix
index b2923143017..a710d6c1e47 100644
--- a/pkgs/applications/graphics/gnome-photos/default.nix
+++ b/pkgs/applications/graphics/gnome-photos/default.nix
@@ -27,7 +27,7 @@
 , meson
 , ninja
 , nixosTests
-, pkgconfig
+, pkg-config
 , python3
 , tracker
 , tracker-miners
@@ -73,7 +73,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     (python3.withPackages (pkgs: with pkgs; [
       dogtail
       pygobject3
diff --git a/pkgs/applications/graphics/gnuclad/default.nix b/pkgs/applications/graphics/gnuclad/default.nix
index e4a82703feb..a1b4accc8d5 100644
--- a/pkgs/applications/graphics/gnuclad/default.nix
+++ b/pkgs/applications/graphics/gnuclad/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, pkgconfig
+{ stdenv, lib, fetchurl, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = "-Wno-error=catch-value";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   meta = with lib; {
     homepage = "https://launchpad.net/gnuclad";
diff --git a/pkgs/applications/graphics/goxel/default.nix b/pkgs/applications/graphics/goxel/default.nix
index ec51e077c56..64ea533eefd 100644
--- a/pkgs/applications/graphics/goxel/default.nix
+++ b/pkgs/applications/graphics/goxel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, scons, pkgconfig, wrapGAppsHook
+{ lib, stdenv, fetchFromGitHub, scons, pkg-config, wrapGAppsHook
 , glfw3, gtk3, libpng12 }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./disable-imgui_ini.patch ];
 
-  nativeBuildInputs = [ scons pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ scons pkg-config wrapGAppsHook ];
   buildInputs = [ glfw3 gtk3 libpng12 ];
   NIX_LDFLAGS = "-lpthread";
 
diff --git a/pkgs/applications/graphics/gpicview/default.nix b/pkgs/applications/graphics/gpicview/default.nix
index e686aa4f359..b661ba562f9 100644
--- a/pkgs/applications/graphics/gpicview/default.nix
+++ b/pkgs/applications/graphics/gpicview/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, pkgconfig, gtk2, fetchpatch }:
+{ lib, stdenv, fetchurl, intltool, pkg-config, gtk2, fetchpatch }:
 
 stdenv.mkDerivation {
   name = "gpicview-0.2.4";
@@ -24,6 +24,6 @@ stdenv.mkDerivation {
     platforms   = platforms.unix;
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool gtk2 ];
 }
diff --git a/pkgs/applications/graphics/gqview/default.nix b/pkgs/applications/graphics/gqview/default.nix
index 6ea67e33212..39f7a42b3b3 100644
--- a/pkgs/applications/graphics/gqview/default.nix
+++ b/pkgs/applications/graphics/gqview/default.nix
@@ -1,6 +1,6 @@
-{lib, stdenv, fetchurl, pkgconfig, gtk2, libpng}:
+{lib, stdenv, fetchurl, pkg-config, gtk2, libpng}:
 
-assert pkgconfig != null && gtk2 != null && libpng != null;
+assert pkg-config != null && gtk2 != null && libpng != null;
 # Note that we cannot just copy gtk's png attribute, since gtk might
 # not be linked against png.
 # !!! assert libpng == gtk2.libpng;
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "0ilm5s7ps9kg4f5hzgjhg0xhn6zg0v9i7jnd67zrx9h7wsaa9zhj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 libpng];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/graphics/grafx2/default.nix b/pkgs/applications/graphics/grafx2/default.nix
index 961cc7e49f7..3529f827b4a 100644
--- a/pkgs/applications/graphics/grafx2/default.nix
+++ b/pkgs/applications/graphics/grafx2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, SDL, SDL_image, SDL_ttf, zlib, libpng, pkgconfig, lua5 }:
+{ lib, stdenv, fetchurl, SDL, SDL_image, SDL_ttf, zlib, libpng, pkg-config, lua5 }:
 
 stdenv.mkDerivation rec {
 
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0svsy6rqmdj11b400c242i2ixihyz0hds0dgicqz6g6dcgmcl62q";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL SDL_image SDL_ttf libpng zlib lua5 ];
 
   preBuild = "cd src";
diff --git a/pkgs/applications/graphics/gthumb/default.nix b/pkgs/applications/graphics/gthumb/default.nix
index 538e665be25..cefb9c03dc0 100644
--- a/pkgs/applications/graphics/gthumb/default.nix
+++ b/pkgs/applications/graphics/gthumb/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , fetchpatch
 , gnome3
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , exiv2
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     itstool
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/graphics/guetzli/default.nix b/pkgs/applications/graphics/guetzli/default.nix
index d888e55ed3d..9f2f050441f 100644
--- a/pkgs/applications/graphics/guetzli/default.nix
+++ b/pkgs/applications/graphics/guetzli/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, libpng, fetchFromGitHub, pkgconfig }:
+{ lib, stdenv, libpng, fetchFromGitHub, pkg-config }:
 let
   version = "1.0.1";
 in
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     rev = "v${version}";
     sha256 = "1wy9wfvyradp0aigfv8yijvj0dgb5kpq2yf2xki15f605jc1r5dm";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libpng ];
 
   installPhase = ''
diff --git a/pkgs/applications/graphics/hugin/default.nix b/pkgs/applications/graphics/hugin/default.nix
index 17d1dc32676..f7f1e17be22 100644
--- a/pkgs/applications/graphics/hugin/default.nix
+++ b/pkgs/applications/graphics/hugin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, cmake, fetchurl, gnumake, makeWrapper, pkgconfig, fetchpatch
+{ lib, stdenv, cmake, fetchurl, gnumake, makeWrapper, pkg-config, fetchpatch
 , autopanosiftc, boost, cairo, enblend-enfuse, exiv2, fftw, flann, gettext
 , glew, ilmbase, lcms2, lensfun, libjpeg, libpng, libtiff, libX11, libXi
 , libXmu, libGLU, libGL, openexr, panotools, perlPackages, sqlite, vigra, wxGTK, zlib
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     wxGTK zlib
   ];
 
-  nativeBuildInputs = [ cmake makeWrapper pkgconfig ];
+  nativeBuildInputs = [ cmake makeWrapper pkg-config ];
 
   # disable installation of the python scripting interface
   cmakeFlags = [ "-DBUILD_HSI:BOOl=OFF" ];
diff --git a/pkgs/applications/graphics/ideogram/default.nix b/pkgs/applications/graphics/ideogram/default.nix
index fbee1d5b0e8..f78170fde34 100644
--- a/pkgs/applications/graphics/ideogram/default.nix
+++ b/pkgs/applications/graphics/ideogram/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , fetchpatch
 , vala
-, pkgconfig
+, pkg-config
 , python3
 , glib
 , gtk3
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/graphics/imv/default.nix b/pkgs/applications/graphics/imv/default.nix
index 067abb785b4..3f6a27cbc76 100644
--- a/pkgs/applications/graphics/imv/default.nix
+++ b/pkgs/applications/graphics/imv/default.nix
@@ -8,7 +8,7 @@
 , fontconfig
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , icu
 , pango
 , inih
@@ -79,7 +79,7 @@ stdenv.mkDerivation rec {
     libxslt
     meson
     ninja
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/ipe/default.nix b/pkgs/applications/graphics/ipe/default.nix
index 161260bcea9..2c9430ded73 100644
--- a/pkgs/applications/graphics/ipe/default.nix
+++ b/pkgs/applications/graphics/ipe/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkgconfig, zlib, freetype, cairo, lua5, texlive, ghostscript
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, zlib, freetype, cairo, lua5, texlive, ghostscript
 , libjpeg, libpng, qtbase, mkDerivation
 }:
 
@@ -20,7 +20,7 @@ mkDerivation rec {
     libjpeg libpng zlib qtbase freetype cairo lua5 texlive ghostscript
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   qtWrapperArgs = [ ''--prefix PATH : ${texlive}/bin''  ];
 
diff --git a/pkgs/applications/graphics/k3d/default.nix b/pkgs/applications/graphics/k3d/default.nix
index c333ecaa99f..99e56738dbf 100644
--- a/pkgs/applications/graphics/k3d/default.nix
+++ b/pkgs/applications/graphics/k3d/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch, ftgl, glew, asciidoc
 , cmake, ninja, libGLU, libGL, zlib, python, expat, libxml2, libsigcxx, libuuid, freetype
-, libpng, boost, doxygen, cairomm, pkgconfig, libjpeg, libtiff
+, libpng, boost, doxygen, cairomm, pkg-config, libjpeg, libtiff
 , gettext, intltool, perl, gtkmm2, glibmm, gtkglext, libXmu }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     export LD_LIBRARY_PATH="$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/build/lib"
   '';
 
-  nativeBuildInputs = [ cmake ninja gettext intltool doxygen pkgconfig perl asciidoc ];
+  nativeBuildInputs = [ cmake ninja gettext intltool doxygen pkg-config perl asciidoc ];
 
   buildInputs = [
      libGLU libGL zlib python expat libxml2 libsigcxx libuuid freetype libpng
diff --git a/pkgs/applications/graphics/kgraphviewer/default.nix b/pkgs/applications/graphics/kgraphviewer/default.nix
index 4f3e08bf7b0..283ed117954 100644
--- a/pkgs/applications/graphics/kgraphviewer/default.nix
+++ b/pkgs/applications/graphics/kgraphviewer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchurl, cmake, extra-cmake-modules, pkgconfig, wrapGAppsHook
+{ lib, stdenv, mkDerivation, fetchurl, cmake, extra-cmake-modules, pkg-config, wrapGAppsHook
 , kconfig, kinit, kdoctools, kio, kparts, kwidgetsaddons
 , qtbase, qtsvg
 , boost, graphviz
@@ -19,7 +19,7 @@ mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    cmake extra-cmake-modules pkgconfig wrapGAppsHook
+    cmake extra-cmake-modules pkg-config wrapGAppsHook
     kdoctools
   ];
 
diff --git a/pkgs/applications/graphics/ktikz/default.nix b/pkgs/applications/graphics/ktikz/default.nix
index 1872d976f8e..7cdf32cc8e7 100644
--- a/pkgs/applications/graphics/ktikz/default.nix
+++ b/pkgs/applications/graphics/ktikz/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
-, pkgconfig, wrapQtAppsHook
+, pkg-config, wrapQtAppsHook
 , poppler, gnuplot
 , qmake, qtbase, qttools
 }:
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig qttools qmake wrapQtAppsHook ];
+  nativeBuildInputs = [ pkg-config qttools qmake wrapQtAppsHook ];
   QT_PLUGIN_PATH = "${qtbase}/${qtbase.qtPluginPrefix}";
 
   buildInputs = [ qtbase poppler ];
diff --git a/pkgs/applications/graphics/luminance-hdr/default.nix b/pkgs/applications/graphics/luminance-hdr/default.nix
index 9b1dbe53795..36154af137b 100644
--- a/pkgs/applications/graphics/luminance-hdr/default.nix
+++ b/pkgs/applications/graphics/luminance-hdr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, cmake, fetchFromGitHub, pkgconfig
+{ lib, stdenv, mkDerivation, cmake, fetchFromGitHub, pkg-config
 , boost, exiv2, fftwFloat, gsl
 , ilmbase, lcms2, libraw, libtiff, openexr
 , qtbase, qtdeclarative, qttools, qtwebengine, eigen
@@ -22,7 +22,7 @@ mkDerivation rec {
     boost exiv2 fftwFloat gsl ilmbase lcms2 libraw libtiff openexr
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   meta = with lib; {
     homepage = "http://qtpfsgui.sourceforge.net/";
diff --git a/pkgs/applications/graphics/mozjpeg/default.nix b/pkgs/applications/graphics/mozjpeg/default.nix
index 5bc67a8c63b..af6b812e1e5 100644
--- a/pkgs/applications/graphics/mozjpeg/default.nix
+++ b/pkgs/applications/graphics/mozjpeg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, libpng, nasm }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, libpng, nasm }:
 
 stdenv.mkDerivation rec {
   version = "3.3.1";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1na68860asn8b82ny5ilwbhh4nyl9gvx2yxmm4wr2v1v95v51fky";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libpng nasm ];
 
   meta = {
diff --git a/pkgs/applications/graphics/mypaint/default.nix b/pkgs/applications/graphics/mypaint/default.nix
index 3b030a1eb57..9da9c20942e 100644
--- a/pkgs/applications/graphics/mypaint/default.nix
+++ b/pkgs/applications/graphics/mypaint/default.nix
@@ -11,7 +11,7 @@
 , hicolor-icon-theme
 , mypaint-brushes
 , gdk-pixbuf
-, pkgconfig
+, pkg-config
 , python3
 , swig
 , wrapGAppsHook
@@ -33,7 +33,7 @@ in buildPythonApplication rec {
 
   nativeBuildInputs = [
     gettext
-    pkgconfig
+    pkg-config
     swig
     wrapGAppsHook
     gobject-introspection # for setup hook
diff --git a/pkgs/applications/graphics/nomacs/default.nix b/pkgs/applications/graphics/nomacs/default.nix
index 73a4d631acb..8a3e41965ff 100644
--- a/pkgs/applications/graphics/nomacs/default.nix
+++ b/pkgs/applications/graphics/nomacs/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitHub
 , fetchpatch
 , cmake
-, pkgconfig
+, pkg-config
 
 , qtbase
 , qttools
@@ -32,7 +32,7 @@ mkDerivation rec {
   '';
 
   nativeBuildInputs = [cmake
-                       pkgconfig];
+                       pkg-config];
 
   buildInputs = [qtbase
                  qttools
diff --git a/pkgs/applications/graphics/openimageio/2.x.nix b/pkgs/applications/graphics/openimageio/2.x.nix
index b200b9be8cd..f5595da47ad 100644
--- a/pkgs/applications/graphics/openimageio/2.x.nix
+++ b/pkgs/applications/graphics/openimageio/2.x.nix
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
     "-DUSE_PYTHON=OFF"
     "-DUSE_QT=OFF"
     # GNUInstallDirs
-    "-DCMAKE_INSTALL_LIBDIR=lib" # needs relative path for pkgconfig
+    "-DCMAKE_INSTALL_LIBDIR=lib" # needs relative path for pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/graphics/openscad/default.nix b/pkgs/applications/graphics/openscad/default.nix
index ad80d3a5404..c8950eba398 100644
--- a/pkgs/applications/graphics/openscad/default.nix
+++ b/pkgs/applications/graphics/openscad/default.nix
@@ -14,7 +14,7 @@
 , mpfr
 , gmp
 , glib
-, pkgconfig
+, pkg-config
 , harfbuzz
 , gettext
 , freetype
@@ -38,7 +38,7 @@ mkDerivation rec {
     sha256 = "1qz384jqgk75zxk7sqd22ma9pyd94kh4h6a207ldx7p9rny6vc5l";
   };
 
-  nativeBuildInputs = [ bison flex pkgconfig gettext qmake ];
+  nativeBuildInputs = [ bison flex pkg-config gettext qmake ];
 
   buildInputs = [
     eigen boost glew opencsg cgal mpfr gmp glib
diff --git a/pkgs/applications/graphics/opentoonz/default.nix b/pkgs/applications/graphics/opentoonz/default.nix
index d8a6a7c5f95..da5aa7bf6ef 100644
--- a/pkgs/applications/graphics/opentoonz/default.nix
+++ b/pkgs/applications/graphics/opentoonz/default.nix
@@ -1,5 +1,5 @@
 { boost, cmake, fetchFromGitHub, freeglut, freetype, glew, libjpeg, libmypaint
-, libpng, libtiff, libusb1, lz4, lzma, lzo, openblas, pkgconfig, qtbase
+, libpng, libtiff, libusb1, lz4, lzma, lzo, openblas, pkg-config, qtbase
 , qtmultimedia, qtscript, lib, stdenv, superlu, wrapQtAppsHook, }:
 let source = import ./source.nix { inherit fetchFromGitHub; };
 in stdenv.mkDerivation rec {
@@ -8,7 +8,7 @@ in stdenv.mkDerivation rec {
   pname = "opentoonz";
   version = source.versions.opentoonz;
 
-  nativeBuildInputs = [ cmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapQtAppsHook ];
 
   buildInputs = [
     boost
diff --git a/pkgs/applications/graphics/photivo/default.nix b/pkgs/applications/graphics/photivo/default.nix
index b44130c47ae..4acb50e200f 100644
--- a/pkgs/applications/graphics/photivo/default.nix
+++ b/pkgs/applications/graphics/photivo/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchhg, fetchpatch, cmake, qt4, fftw, graphicsmagick_q16,
-  lcms2, lensfun, pkgconfig, libjpeg, exiv2, liblqr1 }:
+  lcms2, lensfun, pkg-config, libjpeg, exiv2, liblqr1 }:
 
 stdenv.mkDerivation {
   name = "photivo-2014-01-25";
@@ -28,7 +28,7 @@ stdenv.mkDerivation {
     sed '1i#include <math.h>' -i Sources/filters/ptFilter_StdCurve.cpp
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [ qt4 fftw graphicsmagick_q16 lcms2 lensfun libjpeg exiv2 liblqr1 ];
 
diff --git a/pkgs/applications/graphics/photoflow/default.nix b/pkgs/applications/graphics/photoflow/default.nix
index 436d6764c75..79a171d6fc3 100644
--- a/pkgs/applications/graphics/photoflow/default.nix
+++ b/pkgs/applications/graphics/photoflow/default.nix
@@ -20,7 +20,7 @@
 , ninja
 , openexr
 , pcre
-, pkgconfig
+, pkg-config
 , pugixml
 , lib, stdenv
 , swig
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     libxml2
     ninja
-    pkgconfig
+    pkg-config
     swig
   ];
 
diff --git a/pkgs/applications/graphics/pqiv/default.nix b/pkgs/applications/graphics/pqiv/default.nix
index 969a3bcb9d1..7948ef0f08c 100644
--- a/pkgs/applications/graphics/pqiv/default.nix
+++ b/pkgs/applications/graphics/pqiv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , ffmpeg_3, gtk3, imagemagick, libarchive, libspectre, libwebp, poppler
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation (rec {
     sha256 = "18nvrqmlifh4m8nfs0d19sb9d1l3a95xc89qxqdr881jcxdsgflw";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ffmpeg_3 gtk3 imagemagick libarchive libspectre libwebp poppler ];
 
   prePatch = "patchShebangs .";
diff --git a/pkgs/applications/graphics/qcomicbook/default.nix b/pkgs/applications/graphics/qcomicbook/default.nix
index 65ecaa90784..c4fc79c7fec 100644
--- a/pkgs/applications/graphics/qcomicbook/default.nix
+++ b/pkgs/applications/graphics/qcomicbook/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchFromGitHub, pkgconfig, cmake, qtbase, qttools, qtx11extras, poppler }:
+{ mkDerivation, lib, stdenv, fetchFromGitHub, pkg-config, cmake, qtbase, qttools, qtx11extras, poppler }:
 
 mkDerivation rec {
   pname = "qcomicbook";
@@ -12,7 +12,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake pkgconfig
+    cmake pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/qimgv/default.nix b/pkgs/applications/graphics/qimgv/default.nix
index 2b24a34fbc2..886a753ee2c 100644
--- a/pkgs/applications/graphics/qimgv/default.nix
+++ b/pkgs/applications/graphics/qimgv/default.nix
@@ -4,7 +4,7 @@
 , fetchpatch
 
 , cmake
-, pkgconfig
+, pkg-config
 
 , exiv2
 , mpv
@@ -27,7 +27,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/qiv/default.nix b/pkgs/applications/graphics/qiv/default.nix
index e0426de6fb6..acd9c576f73 100644
--- a/pkgs/applications/graphics/qiv/default.nix
+++ b/pkgs/applications/graphics/qiv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2, imlib2, file, lcms2, libexif } :
+{ lib, stdenv, fetchurl, pkg-config, gtk2, imlib2, file, lcms2, libexif } :
 
 stdenv.mkDerivation (rec {
   version = "2.3.2";
@@ -9,7 +9,7 @@ stdenv.mkDerivation (rec {
     sha256 = "1mc0f2nnas4q0d7zc9r6g4z93i32xlx0p9hl4fn5zkyml24a1q28";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 imlib2 file lcms2 libexif ];
 
   preBuild=''
diff --git a/pkgs/applications/graphics/rawtherapee/default.nix b/pkgs/applications/graphics/rawtherapee/default.nix
index 7f9f4167c64..7d1acc1dcd6 100644
--- a/pkgs/applications/graphics/rawtherapee/default.nix
+++ b/pkgs/applications/graphics/rawtherapee/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, cmake, pixman, libpthreadstubs, gtkmm3, libXau
+{ lib, stdenv, fetchFromGitHub, pkg-config, cmake, pixman, libpthreadstubs, gtkmm3, libXau
 , libXdmcp, lcms2, libiptcdata, libcanberra-gtk3, fftw, expat, pcre, libsigcxx, wrapGAppsHook
 , lensfun, librsvg
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0d644s4grfia6f3k6y0byd5pwajr12kai2kc280yxi8v3w1b12ik";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ cmake pkg-config wrapGAppsHook ];
 
   buildInputs = [
     pixman libpthreadstubs gtkmm3 libXau libXdmcp
diff --git a/pkgs/applications/graphics/renderdoc/default.nix b/pkgs/applications/graphics/renderdoc/default.nix
index f9e3662f1b8..b985ae7d571 100644
--- a/pkgs/applications/graphics/renderdoc/default.nix
+++ b/pkgs/applications/graphics/renderdoc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, mkDerivation
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, mkDerivation
 , qtbase, qtx11extras, qtsvg, makeWrapper
 , vulkan-loader, libglvnd, xorg, python3, python3Packages
 , bison, pcre, automake, autoconf, addOpenGLRunpath
@@ -28,7 +28,7 @@ mkDerivation rec {
   ]; # ++ (with pythonPackages; [pyside2 pyside2-tools shiboken2]);
   # TODO: figure out how to make cmake recognise pyside2
 
-  nativeBuildInputs = [ cmake makeWrapper pkgconfig bison pcre automake autoconf addOpenGLRunpath ];
+  nativeBuildInputs = [ cmake makeWrapper pkg-config bison pcre automake autoconf addOpenGLRunpath ];
 
   postUnpack = ''
     cp -r ${custom_swig} swig
diff --git a/pkgs/applications/graphics/sane/backends/generic.nix b/pkgs/applications/graphics/sane/backends/generic.nix
index 31ec8e8ddc7..88d47b58932 100644
--- a/pkgs/applications/graphics/sane/backends/generic.nix
+++ b/pkgs/applications/graphics/sane/backends/generic.nix
@@ -1,5 +1,5 @@
 { lib, stdenv
-, gettext, pkgconfig
+, gettext, pkg-config
 , avahi, libgphoto2, libieee1284, libjpeg, libpng, libtiff, libusb1, libv4l, net-snmp
 
 # List of { src name backend } attibute sets - see installFirmware below:
@@ -21,7 +21,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [
     gettext
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/graphics/sane/frontends.nix b/pkgs/applications/graphics/sane/frontends.nix
index 8f5a10268e4..c0945242096 100644
--- a/pkgs/applications/graphics/sane/frontends.nix
+++ b/pkgs/applications/graphics/sane/frontends.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, sane-backends, libX11, gtk2, pkgconfig, libusb-compat-0_1 ? null }:
+{ lib, stdenv, fetchurl, sane-backends, libX11, gtk2, pkg-config, libusb-compat-0_1 ? null }:
 
 stdenv.mkDerivation rec {
   pname = "sane-frontends";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ sane-backends libX11 gtk2 ]
     ++ lib.optional (libusb-compat-0_1 != null) libusb-compat-0_1;
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/graphics/sane/xsane.nix b/pkgs/applications/graphics/sane/xsane.nix
index b9e45a76751..1deaab4dfe5 100644
--- a/pkgs/applications/graphics/sane/xsane.nix
+++ b/pkgs/applications/graphics/sane/xsane.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk2, pkgconfig, libpng
+{ lib, stdenv, fetchurl, sane-backends, sane-frontends, libX11, gtk2, pkg-config, libpng
 , libusb-compat-0_1 ? null
 , gimpSupport ? false, gimp ? null
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     chmod a+rX -R .
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [libpng sane-backends sane-frontends libX11 gtk2 ]
     ++ (if libusb-compat-0_1 != null then [libusb-compat-0_1] else [])
     ++ lib.optional gimpSupport gimp;
diff --git a/pkgs/applications/graphics/shotwell/default.nix b/pkgs/applications/graphics/shotwell/default.nix
index 347d66df987..103a6ec3b6b 100644
--- a/pkgs/applications/graphics/shotwell/default.nix
+++ b/pkgs/applications/graphics/shotwell/default.nix
@@ -11,7 +11,7 @@
 , vala
 , sqlite
 , webkitgtk
-, pkgconfig
+, pkg-config
 , gnome3
 , gst_all_1
 , libgudev
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     itstool
     gettext
     desktop-file-utils
diff --git a/pkgs/applications/graphics/solvespace/default.nix b/pkgs/applications/graphics/solvespace/default.nix
index 26b544cf1c5..98348129d9b 100644
--- a/pkgs/applications/graphics/solvespace/default.nix
+++ b/pkgs/applications/graphics/solvespace/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, cmake, pkgconfig, zlib, libpng, cairo, freetype
+{ lib, stdenv, fetchgit, cmake, pkg-config, zlib, libpng, cairo, freetype
 , json_c, fontconfig, gtkmm3, pangomm, glew, libGLU, xorg, pcre
 , wrapGAppsHook
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig cmake wrapGAppsHook
+    pkg-config cmake wrapGAppsHook
   ];
   buildInputs = [
     zlib libpng cairo freetype
diff --git a/pkgs/applications/graphics/synfigstudio/default.nix b/pkgs/applications/graphics/synfigstudio/default.nix
index 14f502434b2..3f29d25fbe0 100644
--- a/pkgs/applications/graphics/synfigstudio/default.nix
+++ b/pkgs/applications/graphics/synfigstudio/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, boost, cairo, gettext, glibmm, gtk3, gtkmm3
-, libjack2, libsigcxx, libxmlxx, makeWrapper, mlt-qt5, pango, pkgconfig
+, libjack2, libsigcxx, libxmlxx, makeWrapper, mlt-qt5, pango, pkg-config
 , imagemagick, intltool, autoreconfHook, which, gnome3
 }:
 
@@ -39,7 +39,7 @@ let
       "--with-boost-libdir=${boost.out}/lib"
     ];
 
-    nativeBuildInputs = [ pkgconfig autoreconfHook gettext ];
+    nativeBuildInputs = [ pkg-config autoreconfHook gettext ];
     buildInputs = [
       ETL boost cairo glibmm mlt-qt5 libsigcxx libxmlxx pango
     ];
@@ -103,7 +103,7 @@ stdenv.mkDerivation {
 
   preConfigure = "./bootstrap.sh";
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook gettext ];
+  nativeBuildInputs = [ pkg-config autoreconfHook gettext ];
   buildInputs = [
     ETL boost cairo glibmm gtk3 gtkmm3 imagemagick intltool
     libjack2 libsigcxx libxmlxx makeWrapper mlt-qt5
diff --git a/pkgs/applications/graphics/tesseract/tesseract3.nix b/pkgs/applications/graphics/tesseract/tesseract3.nix
index 66ff8675a31..7b9669bc465 100644
--- a/pkgs/applications/graphics/tesseract/tesseract3.nix
+++ b/pkgs/applications/graphics/tesseract/tesseract3.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
 , leptonica, libpng, libtiff, icu, pango, opencl-headers }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ leptonica libpng libtiff icu pango opencl-headers ];
 
   LIBLEPT_HEADERSDIR = "${leptonica}/include";
diff --git a/pkgs/applications/graphics/tesseract/tesseract4.nix b/pkgs/applications/graphics/tesseract/tesseract4.nix
index 18d865ae81c..49cf93835b1 100644
--- a/pkgs/applications/graphics/tesseract/tesseract4.nix
+++ b/pkgs/applications/graphics/tesseract/tesseract4.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, autoconf-archive, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, autoconf-archive, pkg-config
 , leptonica, libpng, libtiff, icu, pango, opencl-headers }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook autoconf-archive ];
+  nativeBuildInputs = [ pkg-config autoreconfHook autoconf-archive ];
   buildInputs = [ leptonica libpng libtiff icu pango opencl-headers ];
 
   meta = {
diff --git a/pkgs/applications/graphics/viewnior/default.nix b/pkgs/applications/graphics/viewnior/default.nix
index 9718dee45dd..fc39306b753 100644
--- a/pkgs/applications/graphics/viewnior/default.nix
+++ b/pkgs/applications/graphics/viewnior/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, desktop-file-utils, gtk2, libpng, exiv2, lcms
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, desktop-file-utils, gtk2, libpng, exiv2, lcms
 , intltool, gettext, shared-mime-info, glib, gdk-pixbuf, perl}:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     desktop-file-utils
     intltool
     gettext
diff --git a/pkgs/applications/graphics/xournal/default.nix b/pkgs/applications/graphics/xournal/default.nix
index 41af11ef338..7d9ab53bef8 100644
--- a/pkgs/applications/graphics/xournal/default.nix
+++ b/pkgs/applications/graphics/xournal/default.nix
@@ -2,7 +2,7 @@
 , ghostscript, atk, gtk2, glib, fontconfig, freetype
 , libgnomecanvas, libgnomeprint, libgnomeprintui
 , pango, libX11, xorgproto, zlib, poppler
-, autoconf, automake, libtool, pkgconfig}:
+, autoconf, automake, libtool, pkg-config}:
 
 let
   isGdkQuartzBackend = (gtk2.gdktarget == "quartz");
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     libgnomeprint libgnomeprintui
   ];
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config ];
 
   NIX_LDFLAGS = "-lz"
     + lib.optionalString (!isGdkQuartzBackend) " -lX11";
diff --git a/pkgs/applications/graphics/xzgv/default.nix b/pkgs/applications/graphics/xzgv/default.nix
index d2c569b91c6..d26f6eccf76 100644
--- a/pkgs/applications/graphics/xzgv/default.nix
+++ b/pkgs/applications/graphics/xzgv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk2, libexif, pkgconfig, texinfo }:
+{ lib, stdenv, fetchurl, gtk2, libexif, pkg-config, texinfo }:
 
 stdenv.mkDerivation rec {
   pname = "xzgv";
@@ -7,7 +7,7 @@ stdenv.mkDerivation rec {
     url = "mirror://sourceforge/xzgv/xzgv-${version}.tar.gz";
     sha256 = "17l1xr9v07ggwga3vn0z1i4lnwjrr20rr8z1kjbw71aaijxl18i5";
   };
-  nativeBuildInputs = [ pkgconfig texinfo ];
+  nativeBuildInputs = [ pkg-config texinfo ];
   buildInputs = [ gtk2 libexif ];
   postPatch = ''
     substituteInPlace config.mk \
diff --git a/pkgs/applications/graphics/yacreader/default.nix b/pkgs/applications/graphics/yacreader/default.nix
index 2d253d4462a..5c727dbbaab 100644
--- a/pkgs/applications/graphics/yacreader/default.nix
+++ b/pkgs/applications/graphics/yacreader/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, qmake, poppler, pkgconfig, libunarr
+{ mkDerivation, lib, fetchFromGitHub, qmake, poppler, pkg-config, libunarr
 , libGLU, qtdeclarative, qtgraphicaleffects, qtmultimedia, qtquickcontrols
 , qtscript
 }:
@@ -14,7 +14,7 @@ mkDerivation rec {
     sha256 = "17kzh69sxpyk4n7c2gkbsvr9y4j14azdy1qxzghsbwp7ij4iw9kv";
   };
 
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
   buildInputs = [ poppler libunarr libGLU qtmultimedia qtscript ];
   propagatedBuildInputs = [ qtquickcontrols qtgraphicaleffects qtdeclarative ];
 
diff --git a/pkgs/applications/graphics/zgv/default.nix b/pkgs/applications/graphics/zgv/default.nix
index 435f4ccaf6d..a4e5e725490 100644
--- a/pkgs/applications/graphics/zgv/default.nix
+++ b/pkgs/applications/graphics/zgv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, SDL, SDL_image, libjpeg, libpng, libtiff }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, SDL, SDL_image, libjpeg, libpng, libtiff }:
 
 stdenv.mkDerivation rec {
   pname = "zgv";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1fk4i9x0cpnpn3llam0zy2pkmhlr2hy3iaxhxg07v9sizd4dircj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ SDL SDL_image libjpeg libpng libtiff ];
 
   hardeningDisable = [ "format" ];