pkgs/applications: pkgconfig -> pkg-config

163 files changed, 329 insertions, 329 deletions

diff --git a/pkgs/applications/misc/abook/default.nix b/pkgs/applications/misc/abook/default.nix
index a6c18e7d3d4f9..62cba4a5b7366 100644
--- a/pkgs/applications/misc/abook/default.nix
+++ b/pkgs/applications/misc/abook/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, ncurses, readline, autoreconfHook }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, ncurses, readline, autoreconfHook }:
 
 stdenv.mkDerivation rec {
   name = "abook-0.6.1";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
      })
   ];
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook ];
   buildInputs = [ ncurses readline ];
 
   meta = {
diff --git a/pkgs/applications/misc/appeditor/default.nix b/pkgs/applications/misc/appeditor/default.nix
index 20ee9a254941b..d0db2b12dfdb0 100644
--- a/pkgs/applications/misc/appeditor/default.nix
+++ b/pkgs/applications/misc/appeditor/default.nix
@@ -4,7 +4,7 @@
 , vala
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , pantheon
 , python3
 , gettext
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/artha/default.nix b/pkgs/applications/misc/artha/default.nix
index bc31b844f18d7..37a1cee79a659 100644
--- a/pkgs/applications/misc/artha/default.nix
+++ b/pkgs/applications/misc/artha/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, autoreconfHook, fetchurl, dbus-glib, gtk2, pkgconfig, wordnet }:
+{ lib, stdenv, autoreconfHook, fetchurl, dbus-glib, gtk2, pkg-config, wordnet }:
 
 stdenv.mkDerivation {
   pname = "artha";
@@ -9,7 +9,7 @@ stdenv.mkDerivation {
     sha256 = "0qr4ihl7ma3cq82xi1fpzvf74mm9vsg0j035xvmcp3r6rmw2fycx";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ dbus-glib gtk2 wordnet ];
 
   patches = [
diff --git a/pkgs/applications/misc/audio/sox/default.nix b/pkgs/applications/misc/audio/sox/default.nix
index d77c5486f154d..dd5dbde52868e 100644
--- a/pkgs/applications/misc/audio/sox/default.nix
+++ b/pkgs/applications/misc/audio/sox/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchurl, pkgconfig, CoreAudio
+{ config, lib, stdenv, fetchurl, pkg-config, CoreAudio
 , enableAlsa ? true, alsaLib ? null
 , enableLibao ? true, libao ? null
 , enableLame ? config.sox.enableLame or false, lame ? null
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   };
 
   # configure.ac uses pkg-config only to locate libopusfile
-  nativeBuildInputs = optional enableOpusfile pkgconfig;
+  nativeBuildInputs = optional enableOpusfile pkg-config;
 
   buildInputs =
     optional (enableAlsa && stdenv.isLinux) alsaLib ++
diff --git a/pkgs/applications/misc/ausweisapp2/default.nix b/pkgs/applications/misc/ausweisapp2/default.nix
index e4305118b573d..82e7c1bb21bc6 100644
--- a/pkgs/applications/misc/ausweisapp2/default.nix
+++ b/pkgs/applications/misc/ausweisapp2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkgconfig, pcsclite, qtsvg, qttools, qtwebsockets
+{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkg-config, pcsclite, qtsvg, qttools, qtwebsockets
 , qtquickcontrols2, qtgraphicaleffects }:
 
 mkDerivation rec {
@@ -12,7 +12,7 @@ mkDerivation rec {
     sha256 = "00isb8xcbm419nvxx2ri0n8x5d403733h2whjqjcd3hmpx3x4q1h";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
 
   buildInputs = [ qtsvg qttools qtwebsockets qtquickcontrols2 qtgraphicaleffects pcsclite ];
 
diff --git a/pkgs/applications/misc/bemenu/default.nix b/pkgs/applications/misc/bemenu/default.nix
index ca38498edb886..8de0ceeae6547 100644
--- a/pkgs/applications/misc/bemenu/default.nix
+++ b/pkgs/applications/misc/bemenu/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, cairo, libxkbcommon
-, pango, fribidi, harfbuzz, pcre, pkgconfig
+, pango, fribidi, harfbuzz, pcre, pkg-config
 , ncursesSupport ? true, ncurses ? null
 , waylandSupport ? true, wayland ? null, wayland-protocols ? null
 , x11Support ? true, xlibs ? null, xorg ? null
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     sha256 = "1ifq5bk7782b9m6bl111x33fn38rpppdrww7hfavqia9a9gi2sl5";
   };
 
-  nativeBuildInputs = [ pkgconfig pcre ];
+  nativeBuildInputs = [ pkg-config pcre ];
 
   makeFlags = ["PREFIX=$(out)"];
 
diff --git a/pkgs/applications/misc/bibletime/default.nix b/pkgs/applications/misc/bibletime/default.nix
index c004a65ef839a..3213ed9edf0dc 100644
--- a/pkgs/applications/misc/bibletime/default.nix
+++ b/pkgs/applications/misc/bibletime/default.nix
@@ -1,4 +1,4 @@
-{ lib, mkDerivation, stdenv, fetchurl, cmake, pkgconfig, sword, boost, clucene_core
+{ lib, mkDerivation, stdenv, fetchurl, cmake, pkg-config, sword, boost, clucene_core
 , qtbase, qttools, qtsvg, qtwebkit
 }:
 
@@ -13,7 +13,7 @@ mkDerivation rec {
     sha256 = "1s5bvmwbz1gyp3ml8sghpc00h8nhdvx2iyq96iri30kwx1y1jy6i";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
    sword boost clucene_core
    qtbase qttools qtsvg qtwebkit
diff --git a/pkgs/applications/misc/birdtray/default.nix b/pkgs/applications/misc/birdtray/default.nix
index df12d2b9f8f68..ce8db160a7558 100644
--- a/pkgs/applications/misc/birdtray/default.nix
+++ b/pkgs/applications/misc/birdtray/default.nix
@@ -3,7 +3,7 @@
   , fetchFromGitHub
 
   , cmake
-  , pkgconfig
+  , pkg-config
   , qtbase
   , qttools
   , qtx11extras
@@ -26,7 +26,7 @@ mkDerivation rec {
     ./fix-qttranslations-path.diff
   ];
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [
     qtbase qttools qtx11extras
   ];
diff --git a/pkgs/applications/misc/blogc/default.nix b/pkgs/applications/misc/blogc/default.nix
index 57be731a1213a..c74718c52fbc7 100644
--- a/pkgs/applications/misc/blogc/default.nix
+++ b/pkgs/applications/misc/blogc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, ronn, git, cmocka }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, ronn, git, cmocka }:
 
 stdenv.mkDerivation rec {
   pname = "blogc";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0hx0gpvmv7rd910czafvmcpxabbvfmvdyxk4d1mckmblx8prb807";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   buildInputs = [ ronn git cmocka ];
 
diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index 8ea1dba54ed8a..d838cd4e859f9 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchurl
 , poppler_utils
-, pkgconfig
+, pkg-config
 , libpng
 , imagemagick
 , libjpeg
@@ -55,7 +55,7 @@ mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig qmake removeReferencesTo ];
+  nativeBuildInputs = [ pkg-config qmake removeReferencesTo ];
 
   CALIBRE_PY3_PORT = builtins.toString pythonPackages.isPy3k;
 
diff --git a/pkgs/applications/misc/cardpeek/default.nix b/pkgs/applications/misc/cardpeek/default.nix
index c565a1bf99417..1d5baf9f6b348 100644
--- a/pkgs/applications/misc/cardpeek/default.nix
+++ b/pkgs/applications/misc/cardpeek/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, autoreconfHook,
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook,
   glib, gtk3, pcsclite, lua5_2, curl, readline }:
 let
   version = "0.8.4";
@@ -14,7 +14,7 @@ in
       sha256 = "1ighpl7nvcvwnsd6r5h5n9p95kclwrq99hq7bry7s53yr57l6588";
     };
 
-    nativeBuildInputs = [ pkgconfig autoreconfHook ];
+    nativeBuildInputs = [ pkg-config autoreconfHook ];
     buildInputs = [ glib gtk3 pcsclite lua5_2 curl readline ];
 
     enableParallelBuilding = true;
diff --git a/pkgs/applications/misc/cataract/build.nix b/pkgs/applications/misc/cataract/build.nix
index 3347321d71d2e..f894dc91bd8a8 100644
--- a/pkgs/applications/misc/cataract/build.nix
+++ b/pkgs/applications/misc/cataract/build.nix
@@ -2,7 +2,7 @@
 , fetchgit
 , autoreconfHook
 , glib
-, pkgconfig
+, pkg-config
 , libxml2
 , exiv2
 , imagemagick
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
     inherit sha256 rev;
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ glib libxml2 exiv2 imagemagick ];
 
   prePatch = ''
diff --git a/pkgs/applications/misc/cbatticon/default.nix b/pkgs/applications/misc/cbatticon/default.nix
index e77958b724d8a..482bec9d05495 100644
--- a/pkgs/applications/misc/cbatticon/default.nix
+++ b/pkgs/applications/misc/cbatticon/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, gettext, glib, gtk3, libnotify, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, gettext, glib, gtk3, libnotify, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "cbatticon";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0ivm2dzhsa9ir25ry418r2qg2llby9j7a6m3arbvq5c3kaj8m9jr";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config gettext wrapGAppsHook ];
 
   buildInputs =  [ glib gtk3 libnotify ];
 
diff --git a/pkgs/applications/misc/chewing-editor/default.nix b/pkgs/applications/misc/chewing-editor/default.nix
index e1a57bb5300fc..fb5d9aed95966 100644
--- a/pkgs/applications/misc/chewing-editor/default.nix
+++ b/pkgs/applications/misc/chewing-editor/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkgconfig, libchewing, qtbase
+{ lib, stdenv, mkDerivation, fetchFromGitHub, cmake, pkg-config, libchewing, qtbase
 , qttools }:
 
 mkDerivation rec {
@@ -14,7 +14,7 @@ mkDerivation rec {
 
   doCheck = true;
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ libchewing qtbase qttools ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/cipher/default.nix b/pkgs/applications/misc/cipher/default.nix
index ccf7da70f6ee7..eab1185edd811 100644
--- a/pkgs/applications/misc/cipher/default.nix
+++ b/pkgs/applications/misc/cipher/default.nix
@@ -4,7 +4,7 @@
 , meson
 , ninja
 , vala
-, pkgconfig
+, pkg-config
 , pantheon
 , python3
 , gettext
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/clight/clightd.nix b/pkgs/applications/misc/clight/clightd.nix
index e1f019ffa4555..51c61ca28e7a9 100644
--- a/pkgs/applications/misc/clight/clightd.nix
+++ b/pkgs/applications/misc/clight/clightd.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, dbus, cmake, pkgconfig
+, dbus, cmake, pkg-config
 , glib, udev, polkit, libmodule
 , pcre, libXdmcp, util-linux, libpthreadstubs
 , enableDdc ? true, ddcutil
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     dbus
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = with lib; [
diff --git a/pkgs/applications/misc/clight/default.nix b/pkgs/applications/misc/clight/default.nix
index 2502459af106d..6ef2e886a1900 100644
--- a/pkgs/applications/misc/clight/default.nix
+++ b/pkgs/applications/misc/clight/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, dbus, cmake, pkgconfig, bash-completion
+, dbus, cmake, pkg-config, bash-completion
 , gsl, popt, clightd, systemd, libconfig, libmodule
 , withGeoclue ? true, geoclue2
 , withUpower ? true, upower }:
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     dbus
     cmake
-    pkgconfig
+    pkg-config
     bash-completion
   ];
 
diff --git a/pkgs/applications/misc/clipcat/default.nix b/pkgs/applications/misc/clipcat/default.nix
index 244770e138f91..80e4982fc8a0a 100644
--- a/pkgs/applications/misc/clipcat/default.nix
+++ b/pkgs/applications/misc/clipcat/default.nix
@@ -1,5 +1,5 @@
 { lib, fetchFromGitHub, installShellFiles, rustPlatform, rustfmt, xorg
-, pkgconfig, llvmPackages, clang, protobuf, python3 }:
+, pkg-config, llvmPackages, clang, protobuf, python3 }:
 
 rustPlatform.buildRustPackage rec {
   pname = "clipcat";
@@ -21,7 +21,7 @@ rustPlatform.buildRustPackage rec {
   PROTOC_INCLUDE = "${protobuf}/include";
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
 
     clang
     llvmPackages.libclang
diff --git a/pkgs/applications/misc/clipit/default.nix b/pkgs/applications/misc/clipit/default.nix
index 692622df8ea4d..630ee3c368308 100644
--- a/pkgs/applications/misc/clipit/default.nix
+++ b/pkgs/applications/misc/clipit/default.nix
@@ -1,5 +1,5 @@
 { fetchFromGitHub, fetchpatch, lib, stdenv
-, autoreconfHook, intltool, pkgconfig
+, autoreconfHook, intltool, pkg-config
 , gtk3, libayatana-appindicator, xdotool, which, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     intltoolize --copy --force --automake
   '';
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook autoreconfHook intltool ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook autoreconfHook intltool ];
   configureFlags = [ "--with-gtk3" "--enable-appindicator=yes" ];
   buildInputs = [ gtk3 libayatana-appindicator ];
 
diff --git a/pkgs/applications/misc/cpu-x/default.nix b/pkgs/applications/misc/cpu-x/default.nix
index a14aad7a0fcf5..d0ef6f05aebdf 100644
--- a/pkgs/applications/misc/cpu-x/default.nix
+++ b/pkgs/applications/misc/cpu-x/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, gtk3, ncurses
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, gtk3, ncurses
 , libcpuid, pciutils, procps, wrapGAppsHook, nasm, makeWrapper }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "191zkkswlbbsw492yygc3idf7wh3bxs97drrqvqqw0mqvrzykxm3";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig wrapGAppsHook nasm makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config wrapGAppsHook nasm makeWrapper ];
   buildInputs = [
     gtk3 ncurses libcpuid pciutils procps
   ];
diff --git a/pkgs/applications/misc/devilspie2/default.nix b/pkgs/applications/misc/devilspie2/default.nix
index 70fb38d17c409..2d3c28b2d7150 100644
--- a/pkgs/applications/misc/devilspie2/default.nix
+++ b/pkgs/applications/misc/devilspie2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, pkgconfig, glib, gtk, lua, libwnck3 }:
+{ lib, stdenv, fetchurl, intltool, pkg-config, glib, gtk, lua, libwnck3 }:
 
 stdenv.mkDerivation rec {
   pname = "devilspie2";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0a7qjl2qd4099kkkbwa1y2fk48s21jlr409lf9mij7mlc9yc3zzc";
   };
 
-  nativeBuildInputs = [ intltool pkgconfig ];
+  nativeBuildInputs = [ intltool pkg-config ];
   buildInputs = [ glib gtk lua libwnck3 ];
 
   installPhase = ''
diff --git a/pkgs/applications/misc/diff-pdf/default.nix b/pkgs/applications/misc/diff-pdf/default.nix
index 471755c6392bf..f5e5dccd0f397 100644
--- a/pkgs/applications/misc/diff-pdf/default.nix
+++ b/pkgs/applications/misc/diff-pdf/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoconf, automake, pkgconfig, cairo, poppler, wxGTK ? null, wxmac ? null, darwin ? null }:
+{ lib, stdenv, fetchFromGitHub, autoconf, automake, pkg-config, cairo, poppler, wxGTK ? null, wxmac ? null, darwin ? null }:
 
 let
   wxInputs =
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     sha256 = "1y5ji4c4m69vzs0z051fkhfdrjnyxb6kzac5flhdkfb2hgp1jnxl";
   };
 
-  nativeBuildInputs = [ autoconf automake pkgconfig ];
+  nativeBuildInputs = [ autoconf automake pkg-config ];
   buildInputs = [ cairo poppler ] ++ wxInputs;
 
   preConfigure = "./bootstrap";
diff --git a/pkgs/applications/misc/digitalbitbox/default.nix b/pkgs/applications/misc/digitalbitbox/default.nix
index 0c731aca713f5..ea78924574f57 100644
--- a/pkgs/applications/misc/digitalbitbox/default.nix
+++ b/pkgs/applications/misc/digitalbitbox/default.nix
@@ -10,7 +10,7 @@
 , udev
 , libusb1
 , makeWrapper
-, pkgconfig
+, pkg-config
 , qtbase
 , qttools
 , qtwebsockets
@@ -63,7 +63,7 @@ in mkDerivation rec {
     curl
     git
     makeWrapper
-    pkgconfig
+    pkg-config
     qttools
   ];
 
diff --git a/pkgs/applications/misc/doomseeker/default.nix b/pkgs/applications/misc/doomseeker/default.nix
index f193ae4c51890..48ea1a0296cfd 100644
--- a/pkgs/applications/misc/doomseeker/default.nix
+++ b/pkgs/applications/misc/doomseeker/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, cmake, fetchFromBitbucket, pkgconfig, qtbase, qttools, qtmultimedia, zlib, bzip2, xxd }:
+{ lib, stdenv, mkDerivation, cmake, fetchFromBitbucket, pkg-config, qtbase, qttools, qtmultimedia, zlib, bzip2, xxd }:
 
 mkDerivation {
   pname = "doomseeker";
@@ -13,7 +13,7 @@ mkDerivation {
 
   patches = [ ./fix_paths.patch ./qt_build_fix.patch ];
 
-  nativeBuildInputs = [ cmake qttools pkgconfig xxd ];
+  nativeBuildInputs = [ cmake qttools pkg-config xxd ];
   buildInputs = [ qtbase qtmultimedia zlib bzip2 ];
 
   hardeningDisable = lib.optional stdenv.isDarwin "format";
diff --git a/pkgs/applications/misc/dunst/default.nix b/pkgs/applications/misc/dunst/default.nix
index a906669e7c6be..eed07a2356e6b 100644
--- a/pkgs/applications/misc/dunst/default.nix
+++ b/pkgs/applications/misc/dunst/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchFromGitHub, makeWrapper
-, pkgconfig, which, perl, libXrandr
+, pkg-config, which, perl, libXrandr
 , cairo, dbus, systemd, gdk-pixbuf, glib, libX11, libXScrnSaver
 , libXinerama, libnotify, pango, xorgproto, librsvg, dunstify ? false
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "0irwkqcgwkqaylcpvqgh25gn2ysbdm2kydipxfzcq1ddj9ns6f9c";
   };
 
-  nativeBuildInputs = [ perl pkgconfig which systemd makeWrapper ];
+  nativeBuildInputs = [ perl pkg-config which systemd makeWrapper ];
 
   buildInputs = [
     cairo dbus gdk-pixbuf glib libX11 libXScrnSaver
diff --git a/pkgs/applications/misc/eaglemode/default.nix b/pkgs/applications/misc/eaglemode/default.nix
index 806d960222da5..d411ce7ae819d 100644
--- a/pkgs/applications/misc/eaglemode/default.nix
+++ b/pkgs/applications/misc/eaglemode/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, perl, libX11, libXinerama, libjpeg, libpng, libtiff, pkgconfig,
+{ lib, stdenv, fetchurl, perl, libX11, libXinerama, libjpeg, libpng, libtiff, pkg-config,
 librsvg, glib, gtk2, libXext, libXxf86vm, poppler, xineLib, ghostscript, makeWrapper }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "10zxih7gmyhq0az1mnsw2x563l4bbwcns794s4png8rf4d6hjszm";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ perl libX11 libXinerama libjpeg libpng libtiff
     librsvg glib gtk2 libXxf86vm libXext poppler xineLib ghostscript makeWrapper ];
 
diff --git a/pkgs/applications/misc/elogind/default.nix b/pkgs/applications/misc/elogind/default.nix
index 8a96cddaff2dc..a3919648f7493 100644
--- a/pkgs/applications/misc/elogind/default.nix
+++ b/pkgs/applications/misc/elogind/default.nix
@@ -8,7 +8,7 @@
 , getent
 , libcap
 , gettext
-, pkgconfig
+, pkg-config
 , udev
 , eudev
 , libxslt
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     m4
-    pkgconfig
+    pkg-config
     gperf
     getent
     libcap
diff --git a/pkgs/applications/misc/epdfview/default.nix b/pkgs/applications/misc/epdfview/default.nix
index 90884af9fdf46..9eea30e74f86f 100644
--- a/pkgs/applications/misc/epdfview/default.nix
+++ b/pkgs/applications/misc/epdfview/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, gtk2, poppler }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, gtk2, poppler }:
 
 stdenv.mkDerivation rec {
   pname = "epdfview";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0ibyb60a0b4n34bsjgvhdw8yf24463ky0hpmf6a2jjqsbm5g4v64";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 poppler ];
 
   hardeningDisable = [ "format" ];
diff --git a/pkgs/applications/misc/et/default.nix b/pkgs/applications/misc/et/default.nix
index 0de4ad9e21f33..de47efc07ef51 100644
--- a/pkgs/applications/misc/et/default.nix
+++ b/pkgs/applications/misc/et/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, libnotify, gdk-pixbuf }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, libnotify, gdk-pixbuf }:
 
 stdenv.mkDerivation rec {
   pname = "et";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ libnotify gdk-pixbuf ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   installPhase = ''
     mkdir -p $out/bin
diff --git a/pkgs/applications/misc/evtest/default.nix b/pkgs/applications/misc/evtest/default.nix
index 3406fc572c792..84fae703a0c3f 100644
--- a/pkgs/applications/misc/evtest/default.nix
+++ b/pkgs/applications/misc/evtest/default.nix
@@ -1,10 +1,10 @@
-{ lib, stdenv, fetchgit, autoreconfHook, pkgconfig, libxml2 }:
+{ lib, stdenv, fetchgit, autoreconfHook, pkg-config, libxml2 }:
 
 stdenv.mkDerivation rec {
   pname = "evtest";
   version = "1.34";
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libxml2 ];
 
   src = fetchgit {
diff --git a/pkgs/applications/misc/far2l/default.nix b/pkgs/applications/misc/far2l/default.nix
index e56f60624c804..c3e9218b58867 100644
--- a/pkgs/applications/misc/far2l/default.nix
+++ b/pkgs/applications/misc/far2l/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, makeWrapper, cmake, pkgconfig, wxGTK30, glib, pcre, m4, bash,
+{ lib, stdenv, fetchFromGitHub, fetchpatch, makeWrapper, cmake, pkg-config, wxGTK30, glib, pcre, m4, bash,
   xdg_utils, gvfs, zip, unzip, gzip, bzip2, gnutar, p7zip, xz, imagemagick, darwin }:
 
 let
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     sha256 = "1ssd3hwz4b7vl4r858d9whl61cn23pgcamcjmvfa6ysf4x2b7sgi";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig m4 makeWrapper imagemagick ];
+  nativeBuildInputs = [ cmake pkg-config m4 makeWrapper imagemagick ];
 
   buildInputs = [ wxGTK30 glib pcre ]
     ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Cocoa;
diff --git a/pkgs/applications/misc/fbreader/default.nix b/pkgs/applications/misc/fbreader/default.nix
index 35a50dd10a353..c2347d5fbb8bc 100644
--- a/pkgs/applications/misc/fbreader/default.nix
+++ b/pkgs/applications/misc/fbreader/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config
 , bzip2, curl, expat, fribidi, libunibreak, sqlite, zlib
 , uiTarget ? if !stdenv.isDarwin then "desktop" else "macosx"
 , uiType ? if !stdenv.isDarwin then "qt4" else "cocoa"
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
       --replace -llinebreak -lunibreak
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [
     bzip2 curl expat fribidi libunibreak sqlite zlib
diff --git a/pkgs/applications/misc/fehlstart/default.nix b/pkgs/applications/misc/fehlstart/default.nix
index 55d47459aedde..992b627808281 100644
--- a/pkgs/applications/misc/fehlstart/default.nix
+++ b/pkgs/applications/misc/fehlstart/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, pkgconfig, gtk2, keybinder, fetchFromGitLab }:
+{ lib, stdenv, pkg-config, gtk2, keybinder, fetchFromGitLab }:
 
 stdenv.mkDerivation {
   name = "fehlstart-9f4342d7";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
 
   patches = [ ./use-nix-profiles.patch ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 keybinder ];
 
   preConfigure = ''
diff --git a/pkgs/applications/misc/fme/default.nix b/pkgs/applications/misc/fme/default.nix
index 1a4b38a1cad38..52ba2927fd466 100644
--- a/pkgs/applications/misc/fme/default.nix
+++ b/pkgs/applications/misc/fme/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, autoconf, automake, gettext
+{ lib, stdenv, fetchurl, pkg-config, autoconf, automake, gettext
 , fluxbox, bc, gtkmm2, glibmm, libglademm, libsigcxx }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "d1c81a6a38c0faad02943ad65d6d0314bd205c6de841669a2efe43e4c503e63d";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ autoconf automake gettext fluxbox bc gtkmm2 glibmm libglademm libsigcxx ];
 
   preConfigure = ''
diff --git a/pkgs/applications/misc/font-manager/default.nix b/pkgs/applications/misc/font-manager/default.nix
index 8b8fc09f7d35b..3efef45531362 100644
--- a/pkgs/applications/misc/font-manager/default.nix
+++ b/pkgs/applications/misc/font-manager/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, meson, ninja, gettext, python3,
-  pkgconfig, libxml2, json-glib , sqlite, itstool, librsvg, yelp-tools,
+  pkg-config, libxml2, json-glib , sqlite, itstool, librsvg, yelp-tools,
   vala, gtk3, gnome3, desktop-file-utils, wrapGAppsHook, gobject-introspection
 }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     meson
     ninja
     gettext
diff --git a/pkgs/applications/misc/formatter/default.nix b/pkgs/applications/misc/formatter/default.nix
index 71479c4ac3e88..26c6a8cbc708b 100644
--- a/pkgs/applications/misc/formatter/default.nix
+++ b/pkgs/applications/misc/formatter/default.nix
@@ -4,7 +4,7 @@
 , meson
 , ninja
 , vala
-, pkgconfig
+, pkg-config
 , pantheon
 , python3
 , substituteAll
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/fsv/default.nix b/pkgs/applications/misc/fsv/default.nix
index 5ab21ad98b9b0..a965c615dfd3c 100644
--- a/pkgs/applications/misc/fsv/default.nix
+++ b/pkgs/applications/misc/fsv/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, fetchFromGitHub, autoreconfHook
-, libtool, pkgconfig, gtk2, libGLU, file
+, libtool, pkg-config, gtk2, libGLU, file
 }:
 
 let
@@ -10,7 +10,7 @@ let
       url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
       sha256 = "1pl2vdj6l64j864ilhkq1bcggb3hrlxjwk5m029i7xfjfxc587lf";
     };
-    nativeBuildInputs = [ pkgconfig ];
+    nativeBuildInputs = [ pkg-config ];
     buildInputs       = [ gtk2 libGLU ];
     hardeningDisable  = [ "format" ];
   };
@@ -31,7 +31,7 @@ in stdenv.mkDerivation rec {
    sed -i 's/AM_GNU_GETTEXT/AM_GNU_GETTEXT([external])/' configure.in
   '';
 
-  nativeBuildInputs = [ autoreconfHook libtool pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook libtool pkg-config ];
   buildInputs       = [ file gtk2 libGLU gtkglarea ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/gImageReader/default.nix b/pkgs/applications/misc/gImageReader/default.nix
index 80ec6f82571ae..2e1afa8053b94 100644
--- a/pkgs/applications/misc/gImageReader/default.nix
+++ b/pkgs/applications/misc/gImageReader/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, libuuid
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, libuuid
 , sane-backends, podofo, libjpeg, djvulibre, libxmlxx3, libzip, tesseract
 , intltool, poppler, json-glib
 , ninja
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     cmake ninja
     intltool
-    pkgconfig
+    pkg-config
     pythonEnv
 
     # Gtk specific
diff --git a/pkgs/applications/misc/galculator/default.nix b/pkgs/applications/misc/galculator/default.nix
index 6d7989412d445..287a2fca3637c 100644
--- a/pkgs/applications/misc/galculator/default.nix
+++ b/pkgs/applications/misc/galculator/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub
 , autoreconfHook, intltool
-, gtk, pkgconfig, flex }:
+, gtk, pkg-config, flex }:
 
 stdenv.mkDerivation rec {
   pname = "galculator";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0q0hb62f266709ncyq96bpx4a40a1i6dc5869byvd7x285sx1c2w";
   };
 
-  nativeBuildInputs = [ autoreconfHook intltool pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook intltool pkg-config ];
   buildInputs = [ gtk flex ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/gammu/default.nix b/pkgs/applications/misc/gammu/default.nix
index 841c629dadff5..0a6796a9b077d 100644
--- a/pkgs/applications/misc/gammu/default.nix
+++ b/pkgs/applications/misc/gammu/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, python, pkgconfig, cmake, bluez, libusb1, curl
+{ lib, stdenv, fetchFromGitHub, python, pkg-config, cmake, bluez, libusb1, curl
 , libiconv, gettext, sqlite
 , dbiSupport ? false, libdbi ? null, libdbiDrivers ? null
 , postgresSupport ? false, postgresql ? null
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./bashcomp-dir.patch ./systemd.patch ];
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
 
   buildInputs = [ python bluez libusb1 curl gettext sqlite libiconv ]
   ++ optionals dbiSupport [ libdbi libdbiDrivers ]
diff --git a/pkgs/applications/misc/garmin-plugin/default.nix b/pkgs/applications/misc/garmin-plugin/default.nix
index 7fdb62e5bed19..c2c3a69140b96 100644
--- a/pkgs/applications/misc/garmin-plugin/default.nix
+++ b/pkgs/applications/misc/garmin-plugin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, garmintools, libgcrypt, libusb-compat-0_1, pkgconfig, tinyxml, zlib }:
+{ lib, stdenv, fetchurl, garmintools, libgcrypt, libusb-compat-0_1, pkg-config, tinyxml, zlib }:
 stdenv.mkDerivation {
   name = "garmin-plugin-0.3.26";
   src = fetchurl {
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
     sha256 = "15gads1fj4sj970m5960dgnhys41ksi4cm53ldkf67wn8dc9i4k0";
   };
   sourceRoot = "GarminPlugin-0.3.26/src";
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ garmintools libusb-compat-0_1 libgcrypt tinyxml zlib ];
   configureFlags = [
     "--with-libgcrypt-prefix=${libgcrypt.dev}"
diff --git a/pkgs/applications/misc/girara/default.nix b/pkgs/applications/misc/girara/default.nix
index 4c61a4dad511d..f8ebd8aed7ec5 100644
--- a/pkgs/applications/misc/girara/default.nix
+++ b/pkgs/applications/misc/girara/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, check, dbus, xvfb_run, glib, gtk, gettext, libiconv, json_c, libintl
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, check, dbus, xvfb_run, glib, gtk, gettext, libiconv, json_c, libintl
 }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1n3i960b458172mc3pkq7m9dn5qxry6fms3c3k06v27cjp5whsyf";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext check dbus xvfb_run ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext check dbus xvfb_run ];
   buildInputs = [ libintl libiconv json_c ];
   propagatedBuildInputs = [ glib gtk ];
 
diff --git a/pkgs/applications/misc/gkrellm/default.nix b/pkgs/applications/misc/gkrellm/default.nix
index 4d2fc15934b8d..2cc20b424b1dc 100644
--- a/pkgs/applications/misc/gkrellm/default.nix
+++ b/pkgs/applications/misc/gkrellm/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, stdenv, gettext, pkgconfig, glib, gtk2, libX11, libSM, libICE, which
+{ lib, fetchurl, stdenv, gettext, pkg-config, glib, gtk2, libX11, libSM, libICE, which
 , IOKit ? null }:
 
 with lib;
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "01lccz4fga40isv09j8rjgr0qy10rff9vj042n6gi6gdv4z69q0y";
   };
 
-  nativeBuildInputs = [ pkgconfig which ];
+  nativeBuildInputs = [ pkg-config which ];
   buildInputs = [gettext glib gtk2 libX11 libSM libICE]
     ++ optionals stdenv.isDarwin [ IOKit ];
 
diff --git a/pkgs/applications/misc/gksu/default.nix b/pkgs/applications/misc/gksu/default.nix
index 973b0ce288d9e..9d8ce3cc48045 100644
--- a/pkgs/applications/misc/gksu/default.nix
+++ b/pkgs/applications/misc/gksu/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2, gnome2, gnome3, libgksu,
+{ lib, stdenv, fetchurl, pkg-config, gtk2, gnome2, gnome3, libgksu,
   intltool, libstartup_notification, gtk-doc, wrapGAppsHook
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig intltool gtk-doc wrapGAppsHook
+    pkg-config intltool gtk-doc wrapGAppsHook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/glom/default.nix b/pkgs/applications/misc/glom/default.nix
index bda4b1d75f01d..47d56288ed2fa 100644
--- a/pkgs/applications/misc/glom/default.nix
+++ b/pkgs/applications/misc/glom/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , autoconf
 , automake
 , libtool
@@ -59,7 +59,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     autoconf
     automake
     libtool
diff --git a/pkgs/applications/misc/gmrun/default.nix b/pkgs/applications/misc/gmrun/default.nix
index b3ef510739bde..bd99adf943598 100644
--- a/pkgs/applications/misc/gmrun/default.nix
+++ b/pkgs/applications/misc/gmrun/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, gtk2, pkgconfig, popt }:
+{ lib, stdenv, fetchurl, glib, gtk2, pkg-config, popt }:
 
 let
   version = "0.9.2";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "180z6hbax1qypy5cyy2z6nn7fzxla4ib47ck8mqwr714ag77na8p";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib gtk2 popt ];
 
   doCheck = true;
diff --git a/pkgs/applications/misc/gmtp/default.nix b/pkgs/applications/misc/gmtp/default.nix
index 0c9f20b209228..1479fe7bc7d85 100644
--- a/pkgs/applications/misc/gmtp/default.nix
+++ b/pkgs/applications/misc/gmtp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libmtp, libid3tag, flac, libvorbis, gtk3
+{ lib, stdenv, fetchurl, pkg-config, libmtp, libid3tag, flac, libvorbis, gtk3
 , gsettings-desktop-schemas, wrapGAppsHook
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "04q6byyq002fhzkc2rkkahwh5b6272xakaj4m3vwm8la8jf0r0ss";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
   buildInputs = [ libmtp libid3tag flac libvorbis gtk3 gsettings-desktop-schemas ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/misc/gnome-firmware-updater/default.nix b/pkgs/applications/misc/gnome-firmware-updater/default.nix
index 88be6b22f280d..30d3b57003d1e 100644
--- a/pkgs/applications/misc/gnome-firmware-updater/default.nix
+++ b/pkgs/applications/misc/gnome-firmware-updater/default.nix
@@ -11,7 +11,7 @@
 , libxmlb
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , systemd
 , help2man
 , wrapGAppsHook
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     help2man
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/misc/gnome-multi-writer/default.nix b/pkgs/applications/misc/gnome-multi-writer/default.nix
index 29078ca773d91..89a967d718bf5 100644
--- a/pkgs/applications/misc/gnome-multi-writer/default.nix
+++ b/pkgs/applications/misc/gnome-multi-writer/default.nix
@@ -11,7 +11,7 @@
 , libgudev
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , polkit
 , udisks
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/misc/gnome-recipes/default.nix b/pkgs/applications/misc/gnome-recipes/default.nix
index d67bcdb867d9a..168d5b9fb5ccb 100644
--- a/pkgs/applications/misc/gnome-recipes/default.nix
+++ b/pkgs/applications/misc/gnome-recipes/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , desktop-file-utils
 , gettext
@@ -33,7 +33,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     desktop-file-utils
     gettext
     itstool
diff --git a/pkgs/applications/misc/gnome-usage/default.nix b/pkgs/applications/misc/gnome-usage/default.nix
index e40c68667294b..fee4ba655c327 100644
--- a/pkgs/applications/misc/gnome-usage/default.nix
+++ b/pkgs/applications/misc/gnome-usage/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , gettext
 , libxml2
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/goldendict/default.nix b/pkgs/applications/misc/goldendict/default.nix
index 63b36e2dec4be..307ef57c62529 100644
--- a/pkgs/applications/misc/goldendict/default.nix
+++ b/pkgs/applications/misc/goldendict/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, pkgconfig
+{ lib, stdenv, mkDerivation, fetchFromGitHub, pkg-config
 , libXtst, libvorbis, hunspell, lzo, xz, bzip2, libiconv
 , qtbase, qtsvg, qtwebkit, qtx11extras, qttools, qmake
 , withCC ? true, opencc
@@ -30,7 +30,7 @@ mkDerivation rec {
       --replace "hunspell-1.6.1" "hunspell-${lib.versions.majorMinor hunspell.version}"
   '';
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [
     qtbase qtsvg qtwebkit qttools
     libvorbis hunspell xz lzo
diff --git a/pkgs/applications/misc/gosmore/default.nix b/pkgs/applications/misc/gosmore/default.nix
index 4d55129193ff7..854fec8642a8e 100644
--- a/pkgs/applications/misc/gosmore/default.nix
+++ b/pkgs/applications/misc/gosmore/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchsvn, libxml2, gtk2, curl, pkgconfig } :
+{ lib, stdenv, fetchsvn, libxml2, gtk2, curl, pkg-config } :
 
 let
   version = "31801";
@@ -17,7 +17,7 @@ stdenv.mkDerivation {
 
   buildInputs = [ libxml2 gtk2 curl ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   prePatch = ''
     sed -e '/curl.types.h/d' -i *.{c,h,hpp,cpp}
diff --git a/pkgs/applications/misc/gpa/default.nix b/pkgs/applications/misc/gpa/default.nix
index 6bda23aebe07e..63bba909b6d58 100644
--- a/pkgs/applications/misc/gpa/default.nix
+++ b/pkgs/applications/misc/gpa/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, pkgconfig, gtk2, gpgme, libgpgerror, libassuan }:
+{ lib, stdenv, fetchurl, intltool, pkg-config, gtk2, gpgme, libgpgerror, libassuan }:
 
 stdenv.mkDerivation rec {
   name = "gpa-0.10.0";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1cbpc45f8qbdkd62p12s3q2rdq6fa5xdzwmcwd3xrj55bzkspnwm";
   };
 
-  nativeBuildInputs = [ intltool pkgconfig ];
+  nativeBuildInputs = [ intltool pkg-config ];
   buildInputs = [ gtk2 gpgme libgpgerror libassuan ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/gphoto2/default.nix b/pkgs/applications/misc/gphoto2/default.nix
index 409aaded4b6ff..5635aadda9df6 100644
--- a/pkgs/applications/misc/gphoto2/default.nix
+++ b/pkgs/applications/misc/gphoto2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
 , gettext
 , libexif
 , libgphoto2
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     gettext
     libtool
   ];
diff --git a/pkgs/applications/misc/gphoto2/gphotofs.nix b/pkgs/applications/misc/gphoto2/gphotofs.nix
index c5511847ba026..afb02c9937f95 100644
--- a/pkgs/applications/misc/gphoto2/gphotofs.nix
+++ b/pkgs/applications/misc/gphoto2/gphotofs.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, libtool, pkgconfig, libgphoto2, fuse, glib }:
+{ lib, stdenv, fetchurl, libtool, pkg-config, libgphoto2, fuse, glib }:
 
 stdenv.mkDerivation rec {
   pname = "gphoto2fs";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1k23ncbsbh64r7kz050bg31jqamchyswgg9izhzij758d7gc8vk7";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libgphoto2 fuse glib libtool
   ];
diff --git a/pkgs/applications/misc/gpscorrelate/default.nix b/pkgs/applications/misc/gpscorrelate/default.nix
index 5d8296d337fa5..a1357ff0a0844 100644
--- a/pkgs/applications/misc/gpscorrelate/default.nix
+++ b/pkgs/applications/misc/gpscorrelate/default.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, lib, stdenv, fetchpatch, pkgconfig, exiv2, libxml2, gtk3
+{ fetchFromGitHub, lib, stdenv, fetchpatch, pkg-config, exiv2, libxml2, gtk3
 , libxslt, docbook_xsl, docbook_xml_dtd_42, desktop-file-utils, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     docbook_xml_dtd_42
     docbook_xsl
     libxslt
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/misc/gpx-viewer/default.nix b/pkgs/applications/misc/gpx-viewer/default.nix
index 2c14691869fc0..89a4198a749f7 100644
--- a/pkgs/applications/misc/gpx-viewer/default.nix
+++ b/pkgs/applications/misc/gpx-viewer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, libxml2, pkgconfig, gnome3, libchamplain, gdl, shared-mime-info, desktop-file-utils, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, intltool, libxml2, pkg-config, gnome3, libchamplain, gdl, shared-mime-info, desktop-file-utils, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "gpx-viewer";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   configureFlags = [ "--disable-database-updates" ];
 
   nativeBuildInputs = [
-    intltool pkgconfig
+    intltool pkg-config
     wrapGAppsHook # Fix error: GLib-GIO-ERROR **: No GSettings schemas are installed on the system
   ];
   buildInputs = [ gdl libchamplain gnome3.adwaita-icon-theme libxml2 ];
diff --git a/pkgs/applications/misc/green-pdfviewer/default.nix b/pkgs/applications/misc/green-pdfviewer/default.nix
index 876ab5625989f..fe21631c0d670 100644
--- a/pkgs/applications/misc/green-pdfviewer/default.nix
+++ b/pkgs/applications/misc/green-pdfviewer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, poppler, pkgconfig, gdk-pixbuf, SDL, gtk2 }:
+{ lib, stdenv, fetchFromGitHub, poppler, pkg-config, gdk-pixbuf, SDL, gtk2 }:
 
 stdenv.mkDerivation {
   pname = "green-pdfviewer";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "0d0lv33flhgsxhc77kfp2avdz5gvml04r8l1j95yjz2rr096lzlj";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ poppler gdk-pixbuf SDL gtk2 ];
 
   patches = [
diff --git a/pkgs/applications/misc/grip/default.nix b/pkgs/applications/misc/grip/default.nix
index ef7783f5011d5..5ebe7765e50c4 100644
--- a/pkgs/applications/misc/grip/default.nix
+++ b/pkgs/applications/misc/grip/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk2, glib, pkgconfig, libgnome, libgnomeui, vte
+{ lib, stdenv, fetchurl, gtk2, glib, pkg-config, libgnome, libgnomeui, vte
 , curl, cdparanoia, libid3tag, ncurses, libtool }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1si5kidwg0i2jg0brzyvjrzw24v3km2hdgd4kda1adzq81a3p1cs";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 glib libgnome libgnomeui vte curl cdparanoia
     libid3tag ncurses libtool ];
 
diff --git a/pkgs/applications/misc/gsimplecal/default.nix b/pkgs/applications/misc/gsimplecal/default.nix
index f692ea54ccf16..21128ac9119a0 100644
--- a/pkgs/applications/misc/gsimplecal/default.nix
+++ b/pkgs/applications/misc/gsimplecal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, automake, autoconf, pkgconfig, gtk3 }:
+{ lib, stdenv, fetchurl, automake, autoconf, pkg-config, gtk3 }:
 
 stdenv.mkDerivation rec {
   pname = "gsimplecal";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ automake autoconf gtk3 ];
 
   preConfigure = "./autogen.sh";
diff --git a/pkgs/applications/misc/gtk2fontsel/default.nix b/pkgs/applications/misc/gtk2fontsel/default.nix
index 828cd952bbcee..d635fa8d86575 100644
--- a/pkgs/applications/misc/gtk2fontsel/default.nix
+++ b/pkgs/applications/misc/gtk2fontsel/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, pkgconfig, gtk2 }:
+{lib, stdenv, fetchurl, pkg-config, gtk2 }:
 
 stdenv.mkDerivation rec {
   version = "0.1";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0s2sj19n8ys92q9832hkn36ld91bb4qavicc6nygkry6qdpkkmjw";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ stdenv gtk2 ];
 
   preferLocalBuild = true;
diff --git a/pkgs/applications/misc/gummi/default.nix b/pkgs/applications/misc/gummi/default.nix
index 2ad89a4c160c9..f0416e232dcd6 100644
--- a/pkgs/applications/misc/gummi/default.nix
+++ b/pkgs/applications/misc/gummi/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, pkgs
 , glib, gnome3, gtk3, gtksourceview3, gtkspell3, poppler, texlive
-, pkgconfig, intltool, autoreconfHook, wrapGAppsHook
+, pkg-config, intltool, autoreconfHook, wrapGAppsHook
 }:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig intltool autoreconfHook wrapGAppsHook
+    pkg-config intltool autoreconfHook wrapGAppsHook
   ];
   buildInputs = [
     glib gtksourceview3 gtk3 gtkspell3 poppler
diff --git a/pkgs/applications/misc/gv/default.nix b/pkgs/applications/misc/gv/default.nix
index d599a295bf113..aa07058dc808f 100644
--- a/pkgs/applications/misc/gv/default.nix
+++ b/pkgs/applications/misc/gv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, Xaw3d, ghostscriptX, perl, pkgconfig, libiconv }:
+{ lib, stdenv, fetchurl, Xaw3d, ghostscriptX, perl, pkg-config, libiconv }:
 
 let
   name = "gv-3.7.4";
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
     Xaw3d
     ghostscriptX
     perl
-    pkgconfig
+    pkg-config
   ] ++ lib.optionals stdenv.isDarwin [
     libiconv
   ];
diff --git a/pkgs/applications/misc/gxmessage/default.nix b/pkgs/applications/misc/gxmessage/default.nix
index 13f7395f6f8a5..9f09e3d978e0a 100644
--- a/pkgs/applications/misc/gxmessage/default.nix
+++ b/pkgs/applications/misc/gxmessage/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gtk3, intltool, pkgconfig, texinfo }:
+{ lib, stdenv, fetchurl, gtk3, intltool, pkg-config, texinfo }:
 
 stdenv.mkDerivation rec {
   pname = "gxmessage";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "db4e1655fc58f31e5770a17dfca4e6c89028ad8b2c8e043febc87a0beedeef05";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool gtk3 texinfo ];
 
   meta = {
diff --git a/pkgs/applications/misc/gxneur/default.nix b/pkgs/applications/misc/gxneur/default.nix
index 2e2e9f0850e04..9e8c5ddaef4ac 100644
--- a/pkgs/applications/misc/gxneur/default.nix
+++ b/pkgs/applications/misc/gxneur/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk2, xorg, glib, xneur, libglade, GConf, libappindicator-gtk2, pcre }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk2, xorg, glib, xneur, libglade, GConf, libappindicator-gtk2, pcre }:
 
 stdenv.mkDerivation {
   name = "gxneur-0.20.0";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   # glib-2.62 deprecations
   NIX_CFLAGS_COMPILE = "-DGLIB_DISABLE_DEPRECATION_WARNINGS";
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   buildInputs = [
     xorg.libX11 glib gtk2 xorg.libXpm xorg.libXt xorg.libXext xneur
     libglade GConf pcre libappindicator-gtk2
diff --git a/pkgs/applications/misc/hstr/default.nix b/pkgs/applications/misc/hstr/default.nix
index e7155c4da3556..3cda6d0a31811 100644
--- a/pkgs/applications/misc/hstr/default.nix
+++ b/pkgs/applications/misc/hstr/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, readline, ncurses
-, autoreconfHook, pkgconfig, gettext }:
+, autoreconfHook, pkg-config, gettext }:
 
 stdenv.mkDerivation rec {
   pname = "hstr";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1chmfdi1dwg3sarzd01nqa82g65q7wdr6hrnj96l75vikwsg986y";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ readline ncurses gettext ];
 
   configureFlags = [ "--prefix=$(out)" ];
diff --git a/pkgs/applications/misc/jgmenu/default.nix b/pkgs/applications/misc/jgmenu/default.nix
index baa0232a23e54..d0b9eff35f4f3 100644
--- a/pkgs/applications/misc/jgmenu/default.nix
+++ b/pkgs/applications/misc/jgmenu/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , python3Packages
 , pango
 , librsvg
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     makeWrapper
     python3Packages.wrapPython
   ];
diff --git a/pkgs/applications/misc/k2pdfopt/default.nix b/pkgs/applications/misc/k2pdfopt/default.nix
index e118197f42ac6..6b594f196c942 100644
--- a/pkgs/applications/misc/k2pdfopt/default.nix
+++ b/pkgs/applications/misc/k2pdfopt/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, runCommand, fetchzip, fetchurl, fetchpatch, fetchFromGitHub
-, cmake, pkgconfig, zlib, libpng, makeWrapper
+, cmake, pkg-config, zlib, libpng, makeWrapper
 , enableGSL ? true, gsl
 , enableGhostScript ? true, ghostscript
 , enableMuPDF ? true, mupdf_1_17
@@ -70,7 +70,7 @@ in stdenv.mkDerivation rec {
       --replace "<djvu.h>" "<libdjvu/ddjvuapi.h>"
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
 
   buildInputs =
   let
diff --git a/pkgs/applications/misc/libosmocore/default.nix b/pkgs/applications/misc/libosmocore/default.nix
index 27432a4dd75b2..273ca0245a2b8 100644
--- a/pkgs/applications/misc/libosmocore/default.nix
+++ b/pkgs/applications/misc/libosmocore/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config
 , pcsclite, talloc, python2, gnutls
 }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    autoreconfHook pkgconfig
+    autoreconfHook pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/librecad/default.nix b/pkgs/applications/misc/librecad/default.nix
index 676b7aea1e283..08bf01aea611a 100644
--- a/pkgs/applications/misc/librecad/default.nix
+++ b/pkgs/applications/misc/librecad/default.nix
@@ -5,7 +5,7 @@
 , installShellFiles
 , mkDerivationWith
 , muparser
-, pkgconfig
+, pkg-config
 , qmake
 , qtbase
 , qtsvg
@@ -83,7 +83,7 @@ mkDerivationWith stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     installShellFiles
-    pkgconfig
+    pkg-config
     qmake
     qttools
   ];
diff --git a/pkgs/applications/misc/lighthouse/default.nix b/pkgs/applications/misc/lighthouse/default.nix
index a54b8a54e8ba4..e9aa79dcdd83c 100644
--- a/pkgs/applications/misc/lighthouse/default.nix
+++ b/pkgs/applications/misc/lighthouse/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , libX11, libxcb, cairo, gtk2, pango, python27, python3
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "0v6ylm49f1b44zwq1y1gqxp2csyqblplr24ajllc2q3r0sc9m1ys";
    };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     libX11 libxcb cairo gtk2 pango python27 python3
   ];
diff --git a/pkgs/applications/misc/ltwheelconf/default.nix b/pkgs/applications/misc/ltwheelconf/default.nix
index 66d10f5e6b88b..52fac4941562b 100644
--- a/pkgs/applications/misc/ltwheelconf/default.nix
+++ b/pkgs/applications/misc/ltwheelconf/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, libusb1, pkgconfig, fetchFromGitHub }:
+{ lib, stdenv, libusb1, pkg-config, fetchFromGitHub }:
 
 stdenv.mkDerivation {
   pname = "ltwheelconf";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "1fsz7k73yln987gcx1jvb5irxfbp1x2c457a60a8yap27nkp5y2w";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libusb1 ];
 
   installPhase = ''
diff --git a/pkgs/applications/misc/lyx/default.nix b/pkgs/applications/misc/lyx/default.nix
index 3c91587509683..800de77f1c573 100644
--- a/pkgs/applications/misc/lyx/default.nix
+++ b/pkgs/applications/misc/lyx/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, mkDerivation, pkgconfig, python, file, bc
+{ fetchurl, lib, mkDerivation, pkg-config, python, file, bc
 , qtbase, qtsvg, hunspell, makeWrapper #, mythes, boost
 }:
 
@@ -12,7 +12,7 @@ mkDerivation rec {
   };
 
   # LaTeX is used from $PATH, as people often want to have it with extra pkgs
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     qtbase qtsvg python file/*for libmagic*/ bc
     hunspell makeWrapper # enchant
diff --git a/pkgs/applications/misc/mako/default.nix b/pkgs/applications/misc/mako/default.nix
index 3c1babaab3705..a845a767b2aa4 100644
--- a/pkgs/applications/misc/mako/default.nix
+++ b/pkgs/applications/misc/mako/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, pkgconfig, scdoc
+{ lib, stdenv, fetchFromGitHub, meson, ninja, pkg-config, scdoc
 , systemd, pango, cairo, gdk-pixbuf
 , wayland, wayland-protocols
 , wrapGAppsHook }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     sha256 = "0hwvibpnrximb628w9dsfjpi30b5jy7nfkm4d94z5vhp78p43vxh";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig scdoc wayland-protocols wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja pkg-config scdoc wayland-protocols wrapGAppsHook ];
   buildInputs = [ systemd pango cairo gdk-pixbuf wayland ];
 
   mesonFlags = [ "-Dzsh-completions=true" ];
diff --git a/pkgs/applications/misc/mediainfo-gui/default.nix b/pkgs/applications/misc/mediainfo-gui/default.nix
index 99aada11f0482..3e8aacb989574 100644
--- a/pkgs/applications/misc/mediainfo-gui/default.nix
+++ b/pkgs/applications/misc/mediainfo-gui/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, pkgconfig, libzen, libmediainfo, wxGTK30-gtk3
+{ lib, stdenv, fetchurl, autoreconfHook, pkg-config, libzen, libmediainfo, wxGTK30-gtk3
 , desktop-file-utils, libSM, imagemagick }:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0rqg9z7s5bk7vlvjrs4gackzg7ib05a0dffi2ihsjf5a7kw7wcir";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libzen libmediainfo wxGTK30-gtk3 desktop-file-utils libSM
                   imagemagick ];
 
diff --git a/pkgs/applications/misc/mediainfo/default.nix b/pkgs/applications/misc/mediainfo/default.nix
index bb90d76977b95..7c81e9607f92e 100644
--- a/pkgs/applications/misc/mediainfo/default.nix
+++ b/pkgs/applications/misc/mediainfo/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, autoreconfHook, pkgconfig, libzen, libmediainfo, zlib }:
+{ lib, stdenv, fetchurl, autoreconfHook, pkg-config, libzen, libmediainfo, zlib }:
 
 stdenv.mkDerivation rec {
   version = "20.09";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "0rqg9z7s5bk7vlvjrs4gackzg7ib05a0dffi2ihsjf5a7kw7wcir";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libzen libmediainfo zlib ];
 
   sourceRoot = "./MediaInfo/Project/GNU/CLI/";
diff --git a/pkgs/applications/misc/megacmd/default.nix b/pkgs/applications/misc/megacmd/default.nix
index 1e7aa1f56db64..23d34f30d64cf 100644
--- a/pkgs/applications/misc/megacmd/default.nix
+++ b/pkgs/applications/misc/megacmd/default.nix
@@ -15,7 +15,7 @@
 , libuv
 , libzen
 , pcre-cpp
-, pkgconfig
+, pkg-config
 , readline
 , sqlite
 }:
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     autoconf
     automake
     libtool
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/megasync/default.nix b/pkgs/applications/misc/megasync/default.nix
index b7f8c0a281d47..c302a4b4a0744 100644
--- a/pkgs/applications/misc/megasync/default.nix
+++ b/pkgs/applications/misc/megasync/default.nix
@@ -16,7 +16,7 @@
 , libzen
 , lsb-release
 , mkDerivation
-, pkgconfig
+, pkg-config
 , qtbase
 , qttools
 , qtx11extras
@@ -39,7 +39,7 @@ mkDerivation rec {
   };
 
   nativeBuildInputs =
-    [ autoconf automake doxygen lsb-release pkgconfig qttools swig ];
+    [ autoconf automake doxygen lsb-release pkg-config qttools swig ];
   buildInputs = [
     c-ares
     cryptopp
diff --git a/pkgs/applications/misc/merkaartor/default.nix b/pkgs/applications/misc/merkaartor/default.nix
index e73805f67b3a2..8eee8c1f09fec 100644
--- a/pkgs/applications/misc/merkaartor/default.nix
+++ b/pkgs/applications/misc/merkaartor/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, qmake, pkgconfig, fetchpatch
+{ mkDerivation, lib, fetchFromGitHub, qmake, pkg-config, fetchpatch
 , boost, gdal, proj, qtbase, qtsvg, qtwebview, qtwebkit }:
 
 mkDerivation rec {
@@ -19,7 +19,7 @@ mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
 
   buildInputs = [ boost gdal proj qtbase qtsvg qtwebview qtwebkit ];
 
diff --git a/pkgs/applications/misc/milu/default.nix b/pkgs/applications/misc/milu/default.nix
index 95077bdcb3325..23da8abc6682c 100644
--- a/pkgs/applications/misc/milu/default.nix
+++ b/pkgs/applications/misc/milu/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, unzip, pkgconfig, glib, llvmPackages }:
+{ lib, stdenv, fetchFromGitHub, unzip, pkg-config, glib, llvmPackages }:
 
 stdenv.mkDerivation {
   pname = "milu-nightly";
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
     cp bin/milu $out/bin
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
      glib
      unzip
diff --git a/pkgs/applications/misc/minder/default.nix b/pkgs/applications/misc/minder/default.nix
index 1c25e5c3320c8..16fa17609e1ef 100644
--- a/pkgs/applications/misc/minder/default.nix
+++ b/pkgs/applications/misc/minder/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, pkgconfig, meson, ninja, python3
+, pkg-config, meson, ninja, python3
 , wrapGAppsHook, vala, shared-mime-info
 , cairo, pantheon, glib, gtk3, libxml2, libgee, libarchive
 , discount, gtksourceview3
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     sha256 = "137kyf82n5a2v0cm9q02rhv8rmbjgnj60h64prq90h0d42prj3gd";
   };
 
-  nativeBuildInputs = [ pkgconfig meson ninja python3 wrapGAppsHook vala shared-mime-info ];
+  nativeBuildInputs = [ pkg-config meson ninja python3 wrapGAppsHook vala shared-mime-info ];
   buildInputs = [ cairo pantheon.granite glib gtk3 libxml2 libgee libarchive hicolor-icon-theme discount gtksourceview3 ];
 
   postPatch = ''
diff --git a/pkgs/applications/misc/moonlight-embedded/default.nix b/pkgs/applications/misc/moonlight-embedded/default.nix
index 06835aad4d19d..9fa4089c4cdb4 100644
--- a/pkgs/applications/misc/moonlight-embedded/default.nix
+++ b/pkgs/applications/misc/moonlight-embedded/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, cmake, perl
 , alsaLib, libevdev, libopus, udev, SDL2
-, ffmpeg_3, pkgconfig, xorg, libvdpau, libpulseaudio, libcec
+, ffmpeg_3, pkg-config, xorg, libvdpau, libpulseaudio, libcec
 , curl, expat, avahi, enet, libuuid, libva
 }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cmake perl ];
   buildInputs = [
     alsaLib libevdev libopus udev SDL2
-    ffmpeg_3 pkgconfig xorg.libxcb libvdpau libpulseaudio libcec
+    ffmpeg_3 pkg-config xorg.libxcb libvdpau libpulseaudio libcec
     xorg.libpthreadstubs curl expat avahi enet libuuid libva
   ];
 
diff --git a/pkgs/applications/misc/mupdf/1.17.nix b/pkgs/applications/misc/mupdf/1.17.nix
index 722798a43a9dd..95e9c7c3307ac 100644
--- a/pkgs/applications/misc/mupdf/1.17.nix
+++ b/pkgs/applications/misc/mupdf/1.17.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, fetchpatch, pkgconfig, freetype, harfbuzz, openjpeg
+{ stdenv, lib, fetchurl, fetchpatch, pkg-config, freetype, harfbuzz, openjpeg
 , jbig2dec, libjpeg , darwin
 , enableX11 ? true, libX11, libXext, libXi, libXrandr
 , enableCurl ? true, curl, openssl
@@ -32,7 +32,7 @@ in stdenv.mkDerivation rec {
   '';
 
   makeFlags = [ "prefix=$(out) USE_SYSTEM_LIBS=yes" ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ freetype harfbuzz openjpeg jbig2dec libjpeg freeglut libGLU ]
                 ++ lib.optionals enableX11 [ libX11 libXext libXi libXrandr ]
                 ++ lib.optionals enableCurl [ curl openssl ]
diff --git a/pkgs/applications/misc/mupdf/default.nix b/pkgs/applications/misc/mupdf/default.nix
index 190696584db05..61c395e64a9b8 100644
--- a/pkgs/applications/misc/mupdf/default.nix
+++ b/pkgs/applications/misc/mupdf/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, fetchpatch, pkgconfig, freetype, harfbuzz, openjpeg
+{ stdenv, lib, fetchurl, fetchpatch, pkg-config, freetype, harfbuzz, openjpeg
 , jbig2dec, libjpeg , darwin
 , gumbo
 , enableX11 ? true, libX11, libXext, libXi, libXrandr
@@ -49,7 +49,7 @@ in stdenv.mkDerivation rec {
   buildFlags = [ "shared" ];
 
   makeFlags = [ "prefix=$(out) USE_SYSTEM_LIBS=yes" ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ freetype harfbuzz openjpeg jbig2dec libjpeg freeglut libGLU gumbo ]
                 ++ lib.optionals enableX11 [ libX11 libXext libXi libXrandr ]
                 ++ lib.optionals enableCurl [ curl openssl ]
diff --git a/pkgs/applications/misc/mysql-workbench/default.nix b/pkgs/applications/misc/mysql-workbench/default.nix
index 34e124367ebf2..63dde76fabcc9 100644
--- a/pkgs/applications/misc/mysql-workbench/default.nix
+++ b/pkgs/applications/misc/mysql-workbench/default.nix
@@ -3,7 +3,7 @@
 , substituteAll
 , cmake
 , ninja
-, pkgconfig
+, pkg-config
 , glibc
 , gtk3
 , gtkmm3
@@ -86,7 +86,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     cmake
     ninja
-    pkgconfig
+    pkg-config
     jre
     swig
     wrapGAppsHook
diff --git a/pkgs/applications/misc/navit/default.nix b/pkgs/applications/misc/navit/default.nix
index f1fb59811be66..c041c2969274e 100644
--- a/pkgs/applications/misc/navit/default.nix
+++ b/pkgs/applications/misc/navit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, gtk2, fontconfig, freetype, imlib2
+{ lib, stdenv, fetchFromGitHub, pkg-config, gtk2, fontconfig, freetype, imlib2
 , SDL_image, libGLU, libGL, libXmu, freeglut, pcre, dbus, dbus-glib, glib
 , librsvg, freeimage, libxslt, cairo, gdk-pixbuf, pango
 , atk, patchelf, fetchurl, bzip2, python, gettext, quesoglc
@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
       qtbase qtlocation qtdeclarative qtsvg
   ];
 
-  nativeBuildInputs = [ makeWrapper pkgconfig cmake patchelf bzip2 ];
+  nativeBuildInputs = [ makeWrapper pkg-config cmake patchelf bzip2 ];
 
   # we dont want blank screen by defaut
   postInstall = ''
diff --git a/pkgs/applications/misc/nnn/default.nix b/pkgs/applications/misc/nnn/default.nix
index 1bf16d037f9c6..4c36b3d930f1e 100644
--- a/pkgs/applications/misc/nnn/default.nix
+++ b/pkgs/applications/misc/nnn/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, ncurses, readline, conf ? null }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, ncurses, readline, conf ? null }:
 
 with lib;
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   configFile = optionalString (conf != null) (builtins.toFile "nnn.h" conf);
   preBuild = optionalString (conf != null) "cp ${configFile} src/nnn.h";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ readline ncurses ];
 
   makeFlags = [ "DESTDIR=${placeholder "out"}" "PREFIX=" ];
diff --git a/pkgs/applications/misc/notejot/default.nix b/pkgs/applications/misc/notejot/default.nix
index 5a84f91bb7410..0b781f61369ac 100644
--- a/pkgs/applications/misc/notejot/default.nix
+++ b/pkgs/applications/misc/notejot/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix-update-script, vala, pkgconfig, meson, ninja, python3, pantheon
+{ lib, stdenv, fetchFromGitHub, nix-update-script, vala, pkg-config, meson, ninja, python3, pantheon
 , gtk3, gtksourceview, json-glib, libgee, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/notify-osd-customizable/default.nix b/pkgs/applications/misc/notify-osd-customizable/default.nix
index aeeb1051b0942..e62b3a334876b 100644
--- a/pkgs/applications/misc/notify-osd-customizable/default.nix
+++ b/pkgs/applications/misc/notify-osd-customizable/default.nix
@@ -7,7 +7,7 @@
 , libtool
 , libwnck3
 , makeWrapper
-, pkgconfig
+, pkg-config
 , gsettings-desktop-schemas
 }:
 
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
 
   preConfigure = "./autogen.sh --libexecdir=$(out)/bin";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     glib libwnck3 libnotify dbus-glib makeWrapper
     gsettings-desktop-schemas gnome3.gnome-common
diff --git a/pkgs/applications/misc/notify-osd/default.nix b/pkgs/applications/misc/notify-osd/default.nix
index bc2e40764043e..d68601ca6ec76 100644
--- a/pkgs/applications/misc/notify-osd/default.nix
+++ b/pkgs/applications/misc/notify-osd/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, glib, libwnck3, libnotify, dbus-glib, makeWrapper, gsettings-desktop-schemas }:
+{ lib, stdenv, fetchurl, pkg-config, glib, libwnck3, libnotify, dbus-glib, makeWrapper, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
   pname = "notify-osd";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0g5a7a680b05x27apz0y1ldl5csxpp152wqi42s107jymbp0s20j";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     glib libwnck3 libnotify dbus-glib makeWrapper
     gsettings-desktop-schemas
diff --git a/pkgs/applications/misc/nut/default.nix b/pkgs/applications/misc/nut/default.nix
index d36efb483db1a..4694c243b3915 100644
--- a/pkgs/applications/misc/nut/default.nix
+++ b/pkgs/applications/misc/nut/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, neon, libusb-compat-0_1, openssl, udev, avahi, freeipmi
+{ lib, stdenv, fetchurl, pkg-config, neon, libusb-compat-0_1, openssl, udev, avahi, freeipmi
 , libtool, makeWrapper, autoreconfHook, fetchpatch
 }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ neon libusb-compat-0_1 openssl udev avahi freeipmi ];
 
-  nativeBuildInputs = [ autoreconfHook libtool pkgconfig makeWrapper ];
+  nativeBuildInputs = [ autoreconfHook libtool pkg-config makeWrapper ];
 
   configureFlags =
     [ "--with-all"
diff --git a/pkgs/applications/misc/nwg-launchers/default.nix b/pkgs/applications/misc/nwg-launchers/default.nix
index e6575b780f7ca..99033f14a6deb 100644
--- a/pkgs/applications/misc/nwg-launchers/default.nix
+++ b/pkgs/applications/misc/nwg-launchers/default.nix
@@ -5,7 +5,7 @@
 , meson
 , ninja
 , nlohmann_json
-, pkgconfig
+, pkg-config
 , swaylock
 , makeWrapper
 }:
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     cmake
     makeWrapper
   ];
diff --git a/pkgs/applications/misc/ola/default.nix b/pkgs/applications/misc/ola/default.nix
index 6524052e5f3b2..224b5921baa8f 100644
--- a/pkgs/applications/misc/ola/default.nix
+++ b/pkgs/applications/misc/ola/default.nix
@@ -3,7 +3,7 @@
 , autoreconfHook
 , bison
 , flex
-, pkgconfig
+, pkg-config
 , libuuid
 , cppunit
 , protobuf
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     sha256 = "17a3z3zhx00rjk58icd3zlqfw3753f3y8bwy2sza0frdim09lqr4";
   };
 
-  nativeBuildInputs = [ autoreconfHook bison flex pkgconfig perl ];
+  nativeBuildInputs = [ autoreconfHook bison flex pkg-config perl ];
   buildInputs = [ libuuid cppunit protobuf zlib avahi libmicrohttpd python3 ];
   propagatedBuildInputs = [
     python3.pkgs.protobuf
diff --git a/pkgs/applications/misc/olifant/default.nix b/pkgs/applications/misc/olifant/default.nix
index b6d184efe46bb..fbaf140a9f78e 100644
--- a/pkgs/applications/misc/olifant/default.nix
+++ b/pkgs/applications/misc/olifant/default.nix
@@ -5,7 +5,7 @@
 , vala
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , libgee
 , gsettings-desktop-schemas
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/misc/onboard/default.nix b/pkgs/applications/misc/onboard/default.nix
index 65f15c1e7ed32..42433936aba48 100644
--- a/pkgs/applications/misc/onboard/default.nix
+++ b/pkgs/applications/misc/onboard/default.nix
@@ -20,7 +20,7 @@
 , mousetweaks
 , udev
 , libxkbcommon
-, pkgconfig
+, pkg-config
 , procps
 , python3
 , wrapGAppsHook
@@ -59,7 +59,7 @@ python3.pkgs.buildPythonApplication rec {
   nativeBuildInputs = [
     gobject-introspection
     intltool
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/misc/openbox-menu/default.nix b/pkgs/applications/misc/openbox-menu/default.nix
index 5467d4faa3ba8..9d2695f97fffb 100644
--- a/pkgs/applications/misc/openbox-menu/default.nix
+++ b/pkgs/applications/misc/openbox-menu/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, glib, gtk2, menu-cache }:
+{ lib, stdenv, fetchurl, pkg-config, glib, gtk2, menu-cache }:
 
 stdenv.mkDerivation rec {
   pname = "openbox-menu";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1hi4b6mq97y6ajq4hhsikbkk23aha7ikaahm92djw48mgj2f1w8l";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib gtk2 menu-cache ];
 
   patches = [ ./with-svg.patch ];
diff --git a/pkgs/applications/misc/orca/default.nix b/pkgs/applications/misc/orca/default.nix
index e0c728fc67543..25cca1536f8dd 100644
--- a/pkgs/applications/misc/orca/default.nix
+++ b/pkgs/applications/misc/orca/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv
-, pkgconfig
+, pkg-config
 , fetchurl
 , buildPythonApplication
 , autoreconfHook
@@ -57,7 +57,7 @@ buildPythonApplication rec {
   nativeBuildInputs = [
     autoreconfHook
     wrapGAppsHook
-    pkgconfig
+    pkg-config
     libxmlxx3
     gettext
     yelp-tools
diff --git a/pkgs/applications/misc/pbpst/default.nix b/pkgs/applications/misc/pbpst/default.nix
index ebca7a4240916..68b1908e51502 100644
--- a/pkgs/applications/misc/pbpst/default.nix
+++ b/pkgs/applications/misc/pbpst/default.nix
@@ -1,5 +1,5 @@
 { llvmPackages, lib, stdenv, fetchFromGitHub
-, python36Packages, which, pkgconfig, curl, git, gettext, jansson
+, python36Packages, which, pkg-config, curl, git, gettext, jansson
 
 # Optional overrides
 , maxFileSize ? 64 # in MB
@@ -20,7 +20,7 @@ llvmPackages.stdenv.mkDerivation rec {
   nativeBuildInputs = [
     python36Packages.sphinx
     which
-    pkgconfig
+    pkg-config
     curl
     git
     gettext
diff --git a/pkgs/applications/misc/pcmanfm/default.nix b/pkgs/applications/misc/pcmanfm/default.nix
index e9158d252c664..da1c79865a778 100644
--- a/pkgs/applications/misc/pcmanfm/default.nix
+++ b/pkgs/applications/misc/pcmanfm/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, intltool, libfm, libX11, pango, pkgconfig
+{ lib, stdenv, fetchurl, glib, intltool, libfm, libX11, pango, pkg-config
 , wrapGAppsHook, gnome3, withGtk3 ? true, gtk2, gtk3 }:
 
 let
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   buildInputs = [ glib gtk libfm' libX11 pango gnome3.adwaita-icon-theme ];
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook intltool ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook intltool ];
 
   configureFlags = optional withGtk3 "--with-gtk=3";
 
diff --git a/pkgs/applications/misc/pcmanx-gtk2/default.nix b/pkgs/applications/misc/pcmanx-gtk2/default.nix
index cb8b615077737..484b9d3b4073b 100644
--- a/pkgs/applications/misc/pcmanx-gtk2/default.nix
+++ b/pkgs/applications/misc/pcmanx-gtk2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, gtk2, libXft, intltool, automake, autoconf, libtool, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, gtk2, libXft, intltool, automake, autoconf, libtool, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "pcmanx-gtk2";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0fbwd149wny67rfhczz4cbh713a1qnswjiz7b6c2bxfcwh51f9rc";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 libXft intltool automake autoconf libtool ];
 
   preConfigure = ''
diff --git a/pkgs/applications/misc/pdfmod/default.nix b/pkgs/applications/misc/pdfmod/default.nix
index 456acb9bbd157..da9340f30759d 100644
--- a/pkgs/applications/misc/pdfmod/default.nix
+++ b/pkgs/applications/misc/pdfmod/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, gnome-doc-utils, intltool, lib
+{ stdenv, fetchurl, fetchpatch, pkg-config, gnome-doc-utils, intltool, lib
 , mono, gtk-sharp-2_0, gnome-sharp, hyena
 , which, makeWrapper, glib, gnome2, poppler, wrapGAppsHook
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     sha256 = "0fpz9ifr6476lqhd5rkb94dm68vlrwdq5w1aaxzgyjgdax9hxx81";
   }) ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gnome-doc-utils intltool mono gtk-sharp-2_0 gnome-sharp
     hyena which makeWrapper wrapGAppsHook
diff --git a/pkgs/applications/misc/pdfpc/default.nix b/pkgs/applications/misc/pdfpc/default.nix
index 1e7f0352c47c2..6430b894b7b5e 100644
--- a/pkgs/applications/misc/pdfpc/default.nix
+++ b/pkgs/applications/misc/pdfpc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, vala, gtk3, libgee, fetchpatch
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, vala, gtk3, libgee, fetchpatch
 , poppler, libpthreadstubs, gstreamer, gst-plugins-base, gst-plugins-good, gst-libav, librsvg, pcre, gobject-introspection, wrapGAppsHook
 , webkitgtk, discount, json-glib }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake pkgconfig vala
+    cmake pkg-config vala
     # For setup hook
     gobject-introspection
     wrapGAppsHook
diff --git a/pkgs/applications/misc/plank/default.nix b/pkgs/applications/misc/plank/default.nix
index cdc0868612439..b462e5f134b16 100644
--- a/pkgs/applications/misc/plank/default.nix
+++ b/pkgs/applications/misc/plank/default.nix
@@ -13,7 +13,7 @@
 , libXi
 , pango
 , gettext
-, pkgconfig
+, pkg-config
 , libxml2
 , bamf
 , gdk-pixbuf
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     gettext
     gnome3.gnome-common
     libxml2 # xmllint
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/misc/polybar/default.nix b/pkgs/applications/misc/polybar/default.nix
index 2556eb02062cb..c79da21ad63a6 100644
--- a/pkgs/applications/misc/polybar/default.nix
+++ b/pkgs/applications/misc/polybar/default.nix
@@ -1,4 +1,4 @@
-{ cairo, cmake, fetchFromGitHub, libXdmcp, libpthreadstubs, libxcb, pcre, pkgconfig
+{ cairo, cmake, fetchFromGitHub, libXdmcp, libpthreadstubs, libxcb, pcre, pkg-config
 , python3, lib, stdenv, xcbproto, xcbutil, xcbutilcursor, xcbutilimage
 , xcbutilrenderutil, xcbutilwm, xcbutilxrm, makeWrapper
 , removeReferencesTo
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
     '' else "";
 
     nativeBuildInputs = [
-      cmake pkgconfig removeReferencesTo
+      cmake pkg-config removeReferencesTo
     ];
 
     postFixup = ''
diff --git a/pkgs/applications/misc/prusa-slicer/default.nix b/pkgs/applications/misc/prusa-slicer/default.nix
index 80936d910a3d9..7cd31adfa32ab 100644
--- a/pkgs/applications/misc/prusa-slicer/default.nix
+++ b/pkgs/applications/misc/prusa-slicer/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, cmake, pkgconfig
+{ stdenv, lib, fetchFromGitHub, cmake, pkg-config
 , boost, cereal, curl, eigen, expat, glew, libpng, tbb, wxGTK31
 , gtest, nlopt, xorg, makeDesktopItem
 , cgal_5, gmp, ilmbase, mpfr, qhull, openvdb, systemd
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/ptask/default.nix b/pkgs/applications/misc/ptask/default.nix
index 011b782053eaf..b243f19418176 100644
--- a/pkgs/applications/misc/ptask/default.nix
+++ b/pkgs/applications/misc/ptask/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, makeWrapper, gtk3, json_c, taskwarrior }:
+{ lib, stdenv, fetchurl, pkg-config, makeWrapper, gtk3, json_c, taskwarrior }:
 
 stdenv.mkDerivation rec {
   name = "ptask-1.0.0";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ gtk3 json_c ];
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
 
   patches = [ ./tw-version.patch ./json_c_is_error.patch ];
 
diff --git a/pkgs/applications/misc/pwsafe/default.nix b/pkgs/applications/misc/pwsafe/default.nix
index c1b9d04d67306..2e7c77c0935ac 100644
--- a/pkgs/applications/misc/pwsafe/default.nix
+++ b/pkgs/applications/misc/pwsafe/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, zip, gettext, perl
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, zip, gettext, perl
 , wxGTK30, libXext, libXi, libXt, libXtst, xercesc
 , qrencode, libuuid, libyubikey, yubikey-personalization
 , curl, openssl, file
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    cmake gettext perl pkgconfig zip
+    cmake gettext perl pkg-config zip
   ];
   buildInputs = [
     libXext libXi libXt libXtst wxGTK30
diff --git a/pkgs/applications/misc/qcad/default.nix b/pkgs/applications/misc/qcad/default.nix
index ac1db54ebcea9..c6b9d82bcf41c 100644
--- a/pkgs/applications/misc/qcad/default.nix
+++ b/pkgs/applications/misc/qcad/default.nix
@@ -3,7 +3,7 @@
 , libGLU
 , mkDerivationWith
 , muparser
-, pkgconfig
+, pkg-config
 , qtbase
 , qmake
 , qtscript
@@ -85,7 +85,7 @@ mkDerivationWith stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     qmake
     qttools
   ];
diff --git a/pkgs/applications/misc/qlcplus/default.nix b/pkgs/applications/misc/qlcplus/default.nix
index 0f359007696dd..c6306294ecdd2 100644
--- a/pkgs/applications/misc/qlcplus/default.nix
+++ b/pkgs/applications/misc/qlcplus/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkgconfig, udev
+{ lib, stdenv, mkDerivation, fetchFromGitHub, qmake, pkg-config, udev
 , qtmultimedia, qtscript, alsaLib, ola, libftdi1, libusb-compat-0_1
 , libsndfile, libmad
 }:
@@ -14,7 +14,7 @@ mkDerivation rec {
     sha256 = "PB1Y8N1TrJMcS7A2e1nKjsUlAxOYjdJqBhbyuDCAbGs=";
   };
 
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
   buildInputs = [
     udev qtmultimedia qtscript alsaLib ola libftdi1 libusb-compat-0_1 libsndfile libmad
   ];
diff --git a/pkgs/applications/misc/qolibri/default.nix b/pkgs/applications/misc/qolibri/default.nix
index 6cdd97e666f30..3b61e3dbc1ad6 100644
--- a/pkgs/applications/misc/qolibri/default.nix
+++ b/pkgs/applications/misc/qolibri/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, pkgconfig, cmake, libeb, lzo
+{ mkDerivation, lib, fetchFromGitHub, pkg-config, cmake, libeb, lzo
 , qtbase, qtmultimedia, qttools, qtwebengine }:
 
 mkDerivation {
@@ -12,7 +12,7 @@ mkDerivation {
     sha256 = "0kcc6dvbcmq9y7hk8mp23pydiaqz6f0clg64d1f2y04ppphmah42";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [
     libeb lzo qtbase qtmultimedia qttools qtwebengine
   ];
diff --git a/pkgs/applications/misc/qpdfview/default.nix b/pkgs/applications/misc/qpdfview/default.nix
index 8e8ffb2921ccc..0892632c1d84d 100644
--- a/pkgs/applications/misc/qpdfview/default.nix
+++ b/pkgs/applications/misc/qpdfview/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, mkDerivation, fetchurl, qmake, qtbase, qtsvg, pkgconfig, poppler, djvulibre, libspectre, cups
+{lib, stdenv, mkDerivation, fetchurl, qmake, qtbase, qtsvg, pkg-config, poppler, djvulibre, libspectre, cups
 , file, ghostscript
 }:
 let
@@ -10,7 +10,7 @@ let
     url="https://launchpad.net/qpdfview/trunk/${version}/+download/qpdfview-${version}.tar.gz";
     sha256 = "0v1rl126hvblajnph2hkansgi0s8vjdc5yxrm4y3faa0lxzjwr6c";
   };
-  nativeBuildInputs = [ qmake pkgconfig ];
+  nativeBuildInputs = [ qmake pkg-config ];
   buildInputs = [
     qtbase qtsvg poppler djvulibre libspectre cups file ghostscript
   ];
diff --git a/pkgs/applications/misc/quicksynergy/default.nix b/pkgs/applications/misc/quicksynergy/default.nix
index ee95d6baeba8e..81a4ef3d99f19 100644
--- a/pkgs/applications/misc/quicksynergy/default.nix
+++ b/pkgs/applications/misc/quicksynergy/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchurl, pkgconfig, gtk2, synergy}:
+{lib, stdenv, fetchurl, pkg-config, gtk2, synergy}:
 
 stdenv.mkDerivation rec {
   pname = "quicksynergy";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1pi8503bg8q1psw50y6d780i33nnvfjqiy9vnr3v52pdcfip8pix";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gtk2
     synergy
diff --git a/pkgs/applications/misc/razergenie/default.nix b/pkgs/applications/misc/razergenie/default.nix
index 35ffb804c496c..8f78c0becaf5d 100644
--- a/pkgs/applications/misc/razergenie/default.nix
+++ b/pkgs/applications/misc/razergenie/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, lib, meson, ninja, pkgconfig, qtbase, qttools
+{ stdenv, fetchFromGitHub, lib, meson, ninja, pkg-config, qtbase, qttools
 , wrapQtAppsHook
 , enableExperimental ? false
 , includeMatrixDiscovery ? false
@@ -19,7 +19,7 @@ in stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [
-    pkgconfig meson ninja wrapQtAppsHook
+    pkg-config meson ninja wrapQtAppsHook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/redis-desktop-manager/default.nix b/pkgs/applications/misc/redis-desktop-manager/default.nix
index ec40347cbcb33..844fd19e22cc2 100644
--- a/pkgs/applications/misc/redis-desktop-manager/default.nix
+++ b/pkgs/applications/misc/redis-desktop-manager/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, fetchFromGitiles, pkgconfig, libssh2
+{ stdenv, lib, fetchFromGitHub, fetchFromGitiles, pkg-config, libssh2
 , qtbase, qtdeclarative, qtgraphicaleffects, qtimageformats, qtquickcontrols
 , qtsvg, qttools, qtquick1, qtcharts
 , qmake
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     sha256 = "0yd4i944d4blw8jky0nxl7sfkkj975q4d328rdcbhizwvf6dx81f";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [
     libssh2 qtbase qtdeclarative qtgraphicaleffects qtimageformats
     qtquick1 qtquickcontrols qtsvg qttools qtcharts
diff --git a/pkgs/applications/misc/redshift/default.nix b/pkgs/applications/misc/redshift/default.nix
index 81a8267e51df4..5798473db5e0f 100644
--- a/pkgs/applications/misc/redshift/default.nix
+++ b/pkgs/applications/misc/redshift/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub, fetchFromGitLab
 , autoconf, automake, gettext, intltool
-, libtool, pkgconfig, wrapGAppsHook, wrapPython, gobject-introspection
+, libtool, pkg-config, wrapGAppsHook, wrapPython, gobject-introspection
 , gtk3, python, pygobject3, pyxdg
 
 , withQuartz ? stdenv.isDarwin, ApplicationServices
@@ -30,7 +30,7 @@ let
         gettext
         intltool
         libtool
-        pkgconfig
+        pkg-config
         wrapGAppsHook
         wrapPython
       ];
diff --git a/pkgs/applications/misc/regextester/default.nix b/pkgs/applications/misc/regextester/default.nix
index a6762d7d84604..eac131d6ef72f 100644
--- a/pkgs/applications/misc/regextester/default.nix
+++ b/pkgs/applications/misc/regextester/default.nix
@@ -3,7 +3,7 @@
 , vala
 , gettext
 , libxml2
-, pkgconfig
+, pkg-config
 , glib
 , gtk3
 , gnome3
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/misc/rofi-emoji/default.nix b/pkgs/applications/misc/rofi-emoji/default.nix
index 14742da35daea..73d8999be5b72 100644
--- a/pkgs/applications/misc/rofi-emoji/default.nix
+++ b/pkgs/applications/misc/rofi-emoji/default.nix
@@ -6,7 +6,7 @@
 , makeWrapper
 
 , autoreconfHook
-, pkgconfig
+, pkg-config
 
 , cairo
 , glib
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/rofi-file-browser/default.nix b/pkgs/applications/misc/rofi-file-browser/default.nix
index d5b0944ac39c1..0f9067a7e39d5 100644
--- a/pkgs/applications/misc/rofi-file-browser/default.nix
+++ b/pkgs/applications/misc/rofi-file-browser/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, rofi, gtk3 }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, rofi, gtk3 }:
 
 stdenv.mkDerivation rec {
   pname = "rofi-file-browser-extended";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
       --replace "/usr/share/" "$out/share/"
   '';
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ rofi gtk3 ];
 
   ROFI_PLUGINS_DIR = "$out/lib/rofi";
diff --git a/pkgs/applications/misc/rofi/default.nix b/pkgs/applications/misc/rofi/default.nix
index 6ee2cb8c34953..33a37e3261274 100644
--- a/pkgs/applications/misc/rofi/default.nix
+++ b/pkgs/applications/misc/rofi/default.nix
@@ -1,5 +1,5 @@
 { stdenv, lib, fetchurl
-, autoreconfHook, pkgconfig, libxkbcommon, pango, which, git
+, autoreconfHook, pkg-config, libxkbcommon, pango, which, git
 , cairo, libxcb, xcbutil, xcbutilwm, xcbutilxrm, libstartup_notification
 , bison, flex, librsvg, check
 }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
     sed -i 's/~root/~nobody/g' test/helper-expand.c
   '';
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ libxkbcommon pango cairo git bison flex librsvg check
     libstartup_notification libxcb xcbutil xcbutilwm xcbutilxrm which
   ];
diff --git a/pkgs/applications/misc/sc-im/default.nix b/pkgs/applications/misc/sc-im/default.nix
index 21cf60b60fcca..0ae7a5c1ec090 100644
--- a/pkgs/applications/misc/sc-im/default.nix
+++ b/pkgs/applications/misc/sc-im/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, yacc, ncurses, libxml2, libzip, libxls, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, yacc, ncurses, libxml2, libzip, libxls, pkg-config }:
 
 stdenv.mkDerivation rec {
   version = "0.7.0";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0xi0n9qzby012y2j7hg4fgcwyly698sfi4i9gkvy0q682jihprbk";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ yacc ncurses libxml2 libzip libxls ];
 
   buildPhase = ''
diff --git a/pkgs/applications/misc/sdcv/default.nix b/pkgs/applications/misc/sdcv/default.nix
index ea3fc7d30f12f..391ef82daf13b 100644
--- a/pkgs/applications/misc/sdcv/default.nix
+++ b/pkgs/applications/misc/sdcv/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, glib, gettext, readline }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, glib, gettext, readline }:
 
 stdenv.mkDerivation rec {
   pname = "sdcv";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   hardeningDisable = [ "format" ];
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ glib gettext readline ];
 
   preInstall = ''
diff --git a/pkgs/applications/misc/sequeler/default.nix b/pkgs/applications/misc/sequeler/default.nix
index ff7fc7dd08244..c8a0e0175faed 100644
--- a/pkgs/applications/misc/sequeler/default.nix
+++ b/pkgs/applications/misc/sequeler/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, nix-update-script
-, vala, meson, ninja, pkgconfig, pantheon, gettext, wrapGAppsHook, python3, desktop-file-utils
+, vala, meson, ninja, pkg-config, pantheon, gettext, wrapGAppsHook, python3, desktop-file-utils
 , gtk3, glib, libgee, libgda, gtksourceview, libxml2, libsecret, libssh2 }:
 
 
@@ -20,7 +20,7 @@ in stdenv.mkDerivation rec {
     sha256 = "090plqnby2wxzr1waq5kz89w3269j363mgxwfz9g7qg55lddaahz";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig vala gettext wrapGAppsHook python3 desktop-file-utils ];
+  nativeBuildInputs = [ meson ninja pkg-config vala gettext wrapGAppsHook python3 desktop-file-utils ];
 
   buildInputs = [ gtk3 glib pantheon.granite libgee sqlGda gtksourceview libxml2 libsecret libssh2 ];
 
diff --git a/pkgs/applications/misc/slade/default.nix b/pkgs/applications/misc/slade/default.nix
index ed0dde0ffaf64..e9ba7b2a8f31e 100644
--- a/pkgs/applications/misc/slade/default.nix
+++ b/pkgs/applications/misc/slade/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, wxGTK, gtk2, sfml, fluidsynth, curl, freeimage, ftgl, glew, zip }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, wxGTK, gtk2, sfml, fluidsynth, curl, freeimage, ftgl, glew, zip }:
 
 stdenv.mkDerivation rec {
   pname = "slade";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0mdn59jm6ab4cdh99bgvadif3wdlqmk5mq635gg7krq35njgw6f6";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig zip ];
+  nativeBuildInputs = [ cmake pkg-config zip ];
   buildInputs = [ wxGTK gtk2 sfml fluidsynth curl freeimage ftgl glew ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/slade/git.nix b/pkgs/applications/misc/slade/git.nix
index b7fee00a40ffa..dfbfbe556699c 100644
--- a/pkgs/applications/misc/slade/git.nix
+++ b/pkgs/applications/misc/slade/git.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, wxGTK, gtk2, sfml, fluidsynth, curl, freeimage, ftgl, glew, zip }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, wxGTK, gtk2, sfml, fluidsynth, curl, freeimage, ftgl, glew, zip }:
 
 stdenv.mkDerivation {
   name = "slade-git-3.1.2.2018.01.29";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
 
   cmakeFlags = ["-DNO_WEBVIEW=1"];
-  nativeBuildInputs = [ cmake pkgconfig zip ];
+  nativeBuildInputs = [ cmake pkg-config zip ];
   buildInputs = [ wxGTK gtk2 sfml fluidsynth curl freeimage ftgl glew ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/slstatus/default.nix b/pkgs/applications/misc/slstatus/default.nix
index e4f864273868d..613d2f8e78bf6 100644
--- a/pkgs/applications/misc/slstatus/default.nix
+++ b/pkgs/applications/misc/slstatus/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, pkgconfig, writeText, libX11, conf ? null, patches ? [] }:
+{ lib, stdenv, fetchgit, pkg-config, writeText, libX11, conf ? null, patches ? [] }:
 
 with lib;
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   inherit patches;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libX11 ];
 
   installFlags = [ "PREFIX=$(out)" ];
diff --git a/pkgs/applications/misc/spacefm/default.nix b/pkgs/applications/misc/spacefm/default.nix
index 85ce1e6b1bb4c..e08240733d12f 100644
--- a/pkgs/applications/misc/spacefm/default.nix
+++ b/pkgs/applications/misc/spacefm/default.nix
@@ -1,5 +1,5 @@
 { pkgs, fetchFromGitHub, lib, stdenv, gtk3, udev, desktop-file-utils
-, shared-mime-info, intltool, pkgconfig, wrapGAppsHook, ffmpegthumbnailer
+, shared-mime-info, intltool, pkg-config, wrapGAppsHook, ffmpegthumbnailer
 , jmtpfs, ifuseSupport ? false, ifuse ? null, lsof, udisks2 }:
 
 stdenv.mkDerivation rec {
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     gappsWrapperArgs+=(--prefix XDG_DATA_DIRS : "${shared-mime-info}/share")
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gtk3 udev desktop-file-utils shared-mime-info intltool
     wrapGAppsHook ffmpegthumbnailer jmtpfs lsof udisks2
diff --git a/pkgs/applications/misc/subsurface/default.nix b/pkgs/applications/misc/subsurface/default.nix
index ab3423c47375b..51d015c6e4104 100644
--- a/pkgs/applications/misc/subsurface/default.nix
+++ b/pkgs/applications/misc/subsurface/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchFromGitHub, autoreconfHook, cmake, wrapQtAppsHook, pkgconfig, qmake
+{ lib, stdenv, fetchurl, fetchFromGitHub, autoreconfHook, cmake, wrapQtAppsHook, pkg-config, qmake
 , curl, grantlee, libgit2, libusb-compat-0_1, libssh2, libxml2, libxslt, libzip, zlib
 , qtbase, qtconnectivity, qtlocation, qtsvg, qttools, qtwebkit, libXcomposite
 }:
@@ -84,7 +84,7 @@ in stdenv.mkDerivation {
     qtbase qtconnectivity qtsvg qttools qtwebkit
   ];
 
-  nativeBuildInputs = [ cmake wrapQtAppsHook pkgconfig ];
+  nativeBuildInputs = [ cmake wrapQtAppsHook pkg-config ];
 
   cmakeFlags = [
     "-DLIBDC_FROM_PKGCONFIG=ON"
diff --git a/pkgs/applications/misc/swappy/default.nix b/pkgs/applications/misc/swappy/default.nix
index 11798db34f524..bf1fdf63fed5d 100644
--- a/pkgs/applications/misc/swappy/default.nix
+++ b/pkgs/applications/misc/swappy/default.nix
@@ -5,7 +5,7 @@
 , cairo
 , pango
 , gtk
-, pkgconfig
+, pkg-config
 , cmake
 , scdoc
 , libnotify
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
     sha256 = "14ac2jmnak7avcz0jhqjm30vk7pv3gq5aq5rdyh84k8c613kkicf";
   };
 
-  nativeBuildInputs = [ glib meson ninja pkgconfig cmake scdoc ];
+  nativeBuildInputs = [ glib meson ninja pkg-config cmake scdoc ];
 
   buildInputs = [ cairo pango gtk libnotify wayland glib ];
 
diff --git a/pkgs/applications/misc/synapse/default.nix b/pkgs/applications/misc/synapse/default.nix
index 6f8dd068de80c..da822f5347bf4 100644
--- a/pkgs/applications/misc/synapse/default.nix
+++ b/pkgs/applications/misc/synapse/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gettext, pkgconfig, glib, libnotify, gtk3, libgee
+{ lib, stdenv, fetchurl, gettext, pkg-config, glib, libnotify, gtk3, libgee
 , keybinder3, json-glib, zeitgeist, vala, gobject-introspection
 }:
 
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig gettext vala
+    pkg-config gettext vala
     # For setup hook
     gobject-introspection
   ];
diff --git a/pkgs/applications/misc/syncthing-tray/default.nix b/pkgs/applications/misc/syncthing-tray/default.nix
index ab57bf7a43023..15ef1654e70e0 100644
--- a/pkgs/applications/misc/syncthing-tray/default.nix
+++ b/pkgs/applications/misc/syncthing-tray/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, buildGoPackage, pkgconfig, libappindicator-gtk3 }:
+{ lib, stdenv, fetchFromGitHub, buildGoPackage, pkg-config, libappindicator-gtk3 }:
 
 buildGoPackage rec {
   pname = "syncthing-tray";
@@ -15,7 +15,7 @@ buildGoPackage rec {
 
   goDeps = ./deps.nix;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libappindicator-gtk3 ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/taizen/default.nix b/pkgs/applications/misc/taizen/default.nix
index 993606d39c0e3..c480c7a8e2f12 100644
--- a/pkgs/applications/misc/taizen/default.nix
+++ b/pkgs/applications/misc/taizen/default.nix
@@ -1,4 +1,4 @@
-{ rustPlatform, lib, fetchFromGitHub, ncurses, openssl, pkgconfig, Security, stdenv }:
+{ rustPlatform, lib, fetchFromGitHub, ncurses, openssl, pkg-config, Security, stdenv }:
 
 rustPlatform.buildRustPackage rec {
   pname = "taizen";
@@ -12,7 +12,7 @@ rustPlatform.buildRustPackage rec {
   };
 
   buildInputs = [ ncurses openssl ] ++ lib.optional stdenv.isDarwin Security;
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   cargoSha256 = "0chrgwm97y1a3gj218x25yqk1y1h74a6gzyxjdm023msvs58nkni";
 
diff --git a/pkgs/applications/misc/toggldesktop/default.nix b/pkgs/applications/misc/toggldesktop/default.nix
index eb49853885b09..44c46f7465505 100644
--- a/pkgs/applications/misc/toggldesktop/default.nix
+++ b/pkgs/applications/misc/toggldesktop/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchzip, buildEnv, makeDesktopItem, runCommand, writeText, pkgconfig
+{ mkDerivation, lib, fetchzip, buildEnv, makeDesktopItem, runCommand, writeText, pkg-config
 , cmake, qmake, cacert, jsoncpp, libX11, libXScrnSaver, lua, openssl, poco
 , qtbase, qtwebengine, qtx11extras, sqlite }:
 
@@ -68,7 +68,7 @@ let
 
     sourceRoot = "source/src";
 
-    nativeBuildInputs = [ qmake pkgconfig ];
+    nativeBuildInputs = [ qmake pkg-config ];
     buildInputs = [ jsoncpp lua openssl poco poco-pc-wrapped sqlite libX11 ];
 
     postPatch = ''
@@ -93,7 +93,7 @@ let
       ln -s ${cacert}/etc/ssl/certs/ca-bundle.crt $out/cacert.pem
     '';
 
-    nativeBuildInputs = [ qmake pkgconfig ];
+    nativeBuildInputs = [ qmake pkg-config ];
 
     buildInputs = [
       bugsnag-qt
diff --git a/pkgs/applications/misc/tomboy/default.nix b/pkgs/applications/misc/tomboy/default.nix
index 7c089d830e03a..5aaec7a1e600a 100644
--- a/pkgs/applications/misc/tomboy/default.nix
+++ b/pkgs/applications/misc/tomboy/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, itstool, intltool, pkgconfig
+{ stdenv, fetchurl, itstool, intltool, pkg-config
 , libxml2, gnome2, atk, gtk2, glib
 , mono, mono-addins, dbus-sharp-2_0, dbus-sharp-glib-2_0, gnome-sharp, gtk-sharp-2_0
 , makeWrapper, lib}:
@@ -16,7 +16,7 @@ stdenv.mkDerivation {
     sha256 = "0j5jmd079bm2fydqaic5ymbfdxna3qlx6fkp2mqhgcdr7prsbl3q";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ itstool intltool
     libxml2 gnome2.GConf atk gtk2
     mono mono-addins dbus-sharp-2_0 dbus-sharp-glib-2_0 gnome-sharp gtk-sharp-2_0
diff --git a/pkgs/applications/misc/tootle/default.nix b/pkgs/applications/misc/tootle/default.nix
index 70568f92383fb..3b9b09aaba9b4 100644
--- a/pkgs/applications/misc/tootle/default.nix
+++ b/pkgs/applications/misc/tootle/default.nix
@@ -5,7 +5,7 @@
 , vala
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , libgee
 , gsettings-desktop-schemas
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/misc/twmn/default.nix b/pkgs/applications/misc/twmn/default.nix
index 69f58b828c46e..b7974966be45c 100644
--- a/pkgs/applications/misc/twmn/default.nix
+++ b/pkgs/applications/misc/twmn/default.nix
@@ -1,4 +1,4 @@
-{ lib, mkDerivation, fetchFromGitHub, qtbase, qtx11extras, qmake, pkgconfig, boost }:
+{ lib, mkDerivation, fetchFromGitHub, qtbase, qtx11extras, qmake, pkg-config, boost }:
 
 mkDerivation {
   name = "twmn-git-2018-10-01";
@@ -10,7 +10,7 @@ mkDerivation {
     sha256 = "0mpjvp800x07lp9i3hfcc5f4bqj1fj4w3dyr0zwaxc6wqmm0fdqz";
   };
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [ qtbase qtx11extras boost ];
 
   postPatch = ''
diff --git a/pkgs/applications/misc/udevil/default.nix b/pkgs/applications/misc/udevil/default.nix
index 1da61f9dcb01a..e83a5e9a2c7ea 100644
--- a/pkgs/applications/misc/udevil/default.nix
+++ b/pkgs/applications/misc/udevil/default.nix
@@ -1,11 +1,11 @@
-{ lib, stdenv, fetchurl, intltool, glib, pkgconfig, udev, util-linux, acl }:
+{ lib, stdenv, fetchurl, intltool, glib, pkg-config, udev, util-linux, acl }:
 stdenv.mkDerivation {
   name = "udevil-0.4.4";
   src = fetchurl {
     url = "https://github.com/IgnorantGuru/udevil/archive/0.4.4.tar.gz";
     sha256 = "0z1bhaayambrcn7bgnrqk445k50ifabmw8q4i9qj49nnbcvxhbxd";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool glib udev ];
   configurePhase = ''
     substituteInPlace src/Makefile.in --replace "-o root -g root" ""
diff --git a/pkgs/applications/misc/veracrypt/default.nix b/pkgs/applications/misc/veracrypt/default.nix
index d44e49f77cf12..15bda9d5f974f 100644
--- a/pkgs/applications/misc/veracrypt/default.nix
+++ b/pkgs/applications/misc/veracrypt/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, makeself, yasm, fuse, wxGTK, lvm2 }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, makeself, yasm, fuse, wxGTK, lvm2 }:
 
 with lib;
 
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   sourceRoot = "src";
 
-  nativeBuildInputs = [ makeself pkgconfig yasm ];
+  nativeBuildInputs = [ makeself pkg-config yasm ];
   buildInputs = [ fuse lvm2 wxGTK ];
 
   enableParallelBuilding = true;
diff --git a/pkgs/applications/misc/verbiste/default.nix b/pkgs/applications/misc/verbiste/default.nix
index be354d60dc423..9f27f8e73d7f3 100644
--- a/pkgs/applications/misc/verbiste/default.nix
+++ b/pkgs/applications/misc/verbiste/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libgnomeui, libxml2 }:
+{ lib, stdenv, fetchurl, pkg-config, libgnomeui, libxml2 }:
 
 stdenv.mkDerivation rec {
   pname = "verbiste";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "02kzin3pky2q2jnihrch8y0hy043kqqmzxq8j741x80kl0j1qxkm";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ libgnomeui libxml2 ];
 
diff --git a/pkgs/applications/misc/vifm/default.nix b/pkgs/applications/misc/vifm/default.nix
index 4cf13c9c7aac0..18d190a9dd6c4 100644
--- a/pkgs/applications/misc/vifm/default.nix
+++ b/pkgs/applications/misc/vifm/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, makeWrapper
-, pkgconfig
+, pkg-config
 , ncurses, libX11
 , util-linux, file, which, groff
 
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
     sha256 = "0rqyd424y0g5b5basw2ybb60r9gar4f40d1xgzr3c2dsy4jpwvyh";
   };
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
   buildInputs = [ ncurses libX11 util-linux file which groff ];
 
   postFixup = let
diff --git a/pkgs/applications/misc/viking/default.nix b/pkgs/applications/misc/viking/default.nix
index 7fd5b34ee3b6f..61ebfb0fcc6ab 100644
--- a/pkgs/applications/misc/viking/default.nix
+++ b/pkgs/applications/misc/viking/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, fetchpatch, lib, stdenv, makeWrapper
-, pkgconfig, intltool, gettext, gtk2, expat, curl
+, pkg-config, intltool, gettext, gtk2, expat, curl
 , gpsd, bc, file, gnome-doc-utils, libexif, libxml2, libxslt, scrollkeeper
 , docbook_xml_dtd_412, gexiv2, gpsbabel, expect
 , withMapnik ? false, mapnik
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ makeWrapper intltool gettext gtk2 expat curl gpsd bc file gnome-doc-utils
     libexif libxml2 libxslt scrollkeeper docbook_xml_dtd_412 gexiv2
   ] ++ lib.optional withMapnik mapnik
diff --git a/pkgs/applications/misc/volnoti/default.nix b/pkgs/applications/misc/volnoti/default.nix
index c565bfe0ce3ae..d70918f2e7ce3 100644
--- a/pkgs/applications/misc/volnoti/default.nix
+++ b/pkgs/applications/misc/volnoti/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, fetchpatch
-, pkgconfig, dbus, gdk-pixbuf, glib, libX11, gtk2, librsvg
+, pkg-config, dbus, gdk-pixbuf, glib, libX11, gtk2, librsvg
 , dbus-glib, autoreconfHook, wrapGAppsHook }:
 
 stdenv.mkDerivation {
@@ -22,7 +22,7 @@ stdenv.mkDerivation {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig autoreconfHook wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config autoreconfHook wrapGAppsHook ];
 
   buildInputs = [
     dbus gdk-pixbuf glib libX11 gtk2 dbus-glib librsvg
diff --git a/pkgs/applications/misc/vym/default.nix b/pkgs/applications/misc/vym/default.nix
index d198a15c25269..b4591d8717c62 100644
--- a/pkgs/applications/misc/vym/default.nix
+++ b/pkgs/applications/misc/vym/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, mkDerivation, fetchurl, pkgconfig, qmake, qtscript, qtsvg }:
+{ lib, stdenv, mkDerivation, fetchurl, pkg-config, qmake, qtscript, qtsvg }:
 
 mkDerivation rec {
   pname = "vym";
@@ -32,7 +32,7 @@ mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
   buildInputs = [ qtscript qtsvg ];
 
   postInstall = ''
diff --git a/pkgs/applications/misc/waybar/default.nix b/pkgs/applications/misc/waybar/default.nix
index bbccf7fee221d..c1616c739c977 100644
--- a/pkgs/applications/misc/waybar/default.nix
+++ b/pkgs/applications/misc/waybar/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, pkgconfig, ninja, wrapGAppsHook
+{ lib, stdenv, fetchFromGitHub, meson, pkg-config, ninja, wrapGAppsHook
 , wayland, wlroots, gtkmm3, libsigcxx, jsoncpp, fmt, scdoc, spdlog, gtk-layer-shell
 , howard-hinnant-date, cmake
 , traySupport  ? true,  libdbusmenu-gtk3
@@ -21,7 +21,7 @@
     };
 
     nativeBuildInputs = [
-      meson ninja pkgconfig scdoc wrapGAppsHook cmake
+      meson ninja pkg-config scdoc wrapGAppsHook cmake
     ] ++ lib.optional withMediaPlayer gobject-introspection;
 
     propagatedBuildInputs = lib.optionals withMediaPlayer [
diff --git a/pkgs/applications/misc/web-media-controller/default.nix b/pkgs/applications/misc/web-media-controller/default.nix
index ccd1e22990223..7e0fbb999f5fa 100644
--- a/pkgs/applications/misc/web-media-controller/default.nix
+++ b/pkgs/applications/misc/web-media-controller/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, pkgconfig, glib, pcre, json-glib }:
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, glib, pcre, json-glib }:
 
 stdenv.mkDerivation rec {
   pname = "wmc-mpris";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1zcnaf9g55cbj9d2zlsr0i15qh0w9gp5jmxkm6dcp1j6yd7j3ymc";
   };
 
-  nativeBuildInputs = [ cmake pkgconfig ];
+  nativeBuildInputs = [ cmake pkg-config ];
   buildInputs = [ glib pcre json-glib ];
   cmakeFlags = [
     "-DCHROMIUM_MANIFEST_DESTINATION=${placeholder "out"}/etc/chromium/native-messaging-hosts"
diff --git a/pkgs/applications/misc/workrave/default.nix b/pkgs/applications/misc/workrave/default.nix
index 113b674f862f4..6b63fde222f8f 100644
--- a/pkgs/applications/misc/workrave/default.nix
+++ b/pkgs/applications/misc/workrave/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, wrapGAppsHook
-, autoconf, autoconf-archive, automake, gettext, intltool, libtool, pkgconfig
+, autoconf, autoconf-archive, automake, gettext, intltool, libtool, pkg-config
 , libICE, libSM, libXScrnSaver, libXtst, cheetah
 , gobject-introspection, glib, glibmm, gtkmm3, atk, pango, pangomm, cairo
 , cairomm , dbus, dbus-glib, gdome2, gstreamer, gst-plugins-base
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    autoconf autoconf-archive automake gettext intltool libtool pkgconfig wrapGAppsHook
+    autoconf autoconf-archive automake gettext intltool libtool pkg-config wrapGAppsHook
   ];
   buildInputs = [
     libICE libSM libXScrnSaver libXtst cheetah
diff --git a/pkgs/applications/misc/xca/default.nix b/pkgs/applications/misc/xca/default.nix
index bf6b37b10286c..9e05e09caefed 100644
--- a/pkgs/applications/misc/xca/default.nix
+++ b/pkgs/applications/misc/xca/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, autoreconfHook, perl, pkgconfig
+{ mkDerivation, lib, fetchFromGitHub, autoreconfHook, perl, pkg-config
 , libtool, openssl, qtbase, qttools }:
 
 mkDerivation rec {
@@ -19,7 +19,7 @@ mkDerivation rec {
 
   buildInputs = [ libtool openssl qtbase ];
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig qttools ];
+  nativeBuildInputs = [ autoreconfHook pkg-config qttools ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/applications/misc/xfe/default.nix b/pkgs/applications/misc/xfe/default.nix
index c9a2e3b36ae70..17e58cb54d713 100644
--- a/pkgs/applications/misc/xfe/default.nix
+++ b/pkgs/applications/misc/xfe/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fox, pkgconfig, gettext, xlibsWrapper, gcc, intltool, file, libpng }:
+{ lib, stdenv, fetchurl, fox, pkg-config, gettext, xlibsWrapper, gcc, intltool, file, libpng }:
 
 stdenv.mkDerivation rec {
   name = "xfe-1.42";
@@ -8,7 +8,7 @@ stdenv.mkDerivation rec {
     sha256 = "1v1v0vcbnm30kpyd3rj8f56yh7lfnwy7nbs9785wi229b29fiqx1";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ fox gettext xlibsWrapper gcc intltool file libpng ];
 
   preConfigure = ''
diff --git a/pkgs/applications/misc/xfontsel/default.nix b/pkgs/applications/misc/xfontsel/default.nix
index 13bda4f2332ba..10034fbe1b1d7 100644
--- a/pkgs/applications/misc/xfontsel/default.nix
+++ b/pkgs/applications/misc/xfontsel/default.nix
@@ -2,7 +2,7 @@
 # at https://www.x.org/releases/individual/.
 # That is why this expression is not inside pkgs.xorg
 
-{lib, stdenv, fetchurl, makeWrapper, libX11, pkgconfig, libXaw}:
+{lib, stdenv, fetchurl, makeWrapper, libX11, pkg-config, libXaw}:
 stdenv.mkDerivation rec {
   name = "xfontsel-1.0.6";
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0700lf6hx7dg88wq1yll7zjvf9gbwh06xff20yffkxb289y0pai5";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [libX11 makeWrapper libXaw];
 
   # Without this, it gets Xmu as a dependency, but without rpath entry
diff --git a/pkgs/applications/misc/xiphos/default.nix b/pkgs/applications/misc/xiphos/default.nix
index efdd7f2b0f15d..01706011e2d57 100644
--- a/pkgs/applications/misc/xiphos/default.nix
+++ b/pkgs/applications/misc/xiphos/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig
+{ lib, stdenv, fetchFromGitHub, pkg-config
 , python
 , intltool
 , docbook2x, docbook_xml_dtd_412, libxslt
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     sha256 = "14il9k4i58qbc78hcadw3gqy21sb9q661d75vlj6fwpczbzj7x1a";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook wafHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook wafHook ];
   buildInputs = [ python intltool docbook2x docbook_xml_dtd_412 libxslt
                   sword clucene_core biblesync gnome-doc-utils libgsf gconf gtkhtml
                   libglade scrollkeeper webkitgtk dbus-glib enchant isocodes libuuid icu ];
diff --git a/pkgs/applications/misc/xneur/default.nix b/pkgs/applications/misc/xneur/default.nix
index 9c3795ef394d8..bb4e1727f69ff 100644
--- a/pkgs/applications/misc/xneur/default.nix
+++ b/pkgs/applications/misc/xneur/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, xorg, pcre, gst_all_1, glib
+{ lib, stdenv, fetchurl, pkg-config, intltool, xorg, pcre, gst_all_1, glib
 , xosd, libnotify, enchant, wrapGAppsHook, gdk-pixbuf }:
 
 stdenv.mkDerivation {
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
   };
 
   nativeBuildInputs = [
-    pkgconfig intltool wrapGAppsHook
+    pkg-config intltool wrapGAppsHook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/misc/xpad/default.nix b/pkgs/applications/misc/xpad/default.nix
index acb1cbf90e364..dbb5eb42e1d94 100644
--- a/pkgs/applications/misc/xpad/default.nix
+++ b/pkgs/applications/misc/xpad/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, autoreconfHook, pkgconfig, wrapGAppsHook
+, autoreconfHook, pkg-config, wrapGAppsHook
 , glib, intltool, gtk3, gtksourceview }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "1qpmlwn0bcw1q73ag0l0fdnlzmwawfvsy4g9y5b0vyrc58lcp5d3";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ autoreconfHook pkg-config wrapGAppsHook ];
 
   buildInputs = [ glib intltool gtk3 gtksourceview ];
 
diff --git a/pkgs/applications/misc/xscope/default.nix b/pkgs/applications/misc/xscope/default.nix
index d2cc2bf7ad1c5..ba798a861a8d1 100644
--- a/pkgs/applications/misc/xscope/default.nix
+++ b/pkgs/applications/misc/xscope/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libXt }:
+{ lib, stdenv, fetchurl, pkg-config, libXt }:
 
 stdenv.mkDerivation rec {
   pname = "xscope";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "08zl3zghvbcqy0r5dn54dim84lp52s0ygrr87jr3a942a6ypz01k";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libXt ];
 
   meta = with lib; {
diff --git a/pkgs/applications/misc/xsuspender/default.nix b/pkgs/applications/misc/xsuspender/default.nix
index a5bd8a02ebfed..93e56f1df2d0c 100644
--- a/pkgs/applications/misc/xsuspender/default.nix
+++ b/pkgs/applications/misc/xsuspender/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, cmake, makeWrapper, pkgconfig
+{ lib, stdenv, fetchFromGitHub, cmake, makeWrapper, pkg-config
 , glib, libwnck3, procps }:
 
 with lib;
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "man" "doc" ];
 
-  nativeBuildInputs = [ cmake pkgconfig makeWrapper ];
+  nativeBuildInputs = [ cmake pkg-config makeWrapper ];
   buildInputs = [ glib libwnck3 ];
 
   postInstall = ''
diff --git a/pkgs/applications/misc/xsw/default.nix b/pkgs/applications/misc/xsw/default.nix
index d20489d37f3ea..a664aec45e1f1 100644
--- a/pkgs/applications/misc/xsw/default.nix
+++ b/pkgs/applications/misc/xsw/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchFromGitHub, pkgconfig, SDL, SDL_image, SDL_ttf, SDL_gfx, flex, bison }:
+{ stdenv, lib, fetchFromGitHub, pkg-config, SDL, SDL_image, SDL_ttf, SDL_gfx, flex, bison }:
 
 let
   makeSDLFlags = map (p: "-I${lib.getDev p}/include/SDL");
@@ -14,7 +14,7 @@ in stdenv.mkDerivation rec {
     sha256 = "092vp61ngd2vscsvyisi7dv6qrk5m1i81gg19hyfl5qvjq5p0p8g";
   };
 
-  nativeBuildInputs = [ pkgconfig flex bison ];
+  nativeBuildInputs = [ pkg-config flex bison ];
 
   buildInputs = [ SDL SDL_image SDL_ttf SDL_gfx ];
 
diff --git a/pkgs/applications/misc/xxkb/default.nix b/pkgs/applications/misc/xxkb/default.nix
index 36fd685b79921..7a0111785c143 100644
--- a/pkgs/applications/misc/xxkb/default.nix
+++ b/pkgs/applications/misc/xxkb/default.nix
@@ -1,9 +1,9 @@
 { lib, stdenv, fetchurl, libX11, libXt, libXext, libXpm, imake, gccmakedep
-, svgSupport ? false, librsvg, glib, gdk-pixbuf, pkgconfig
+, svgSupport ? false, librsvg, glib, gdk-pixbuf, pkg-config
 }:
 
 assert svgSupport ->
-  librsvg != null && glib != null && gdk-pixbuf != null && pkgconfig != null;
+  librsvg != null && glib != null && gdk-pixbuf != null && pkg-config != null;
 
 stdenv.mkDerivation rec {
   name = "xxkb-1.11.1";
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ imake gccmakedep ];
   buildInputs = [
     libX11 libXt libXext libXpm
-  ] ++ lib.optionals svgSupport [ librsvg glib gdk-pixbuf pkgconfig ];
+  ] ++ lib.optionals svgSupport [ librsvg glib gdk-pixbuf pkg-config ];
 
   outputs = [ "out" "man" ];
 
diff --git a/pkgs/applications/misc/yate/default.nix b/pkgs/applications/misc/yate/default.nix
index 6c03bbc33b39b..3046638ec4a6e 100644
--- a/pkgs/applications/misc/yate/default.nix
+++ b/pkgs/applications/misc/yate/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, lib, qt4, openssl, pkgconfig }:
+{ stdenv, fetchurl, lib, qt4, openssl, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "yate";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   # TODO zaptel ? postgres ?
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ qt4 openssl ];
 
   # /dev/null is used when linking which is a impure path for the wrapper
diff --git a/pkgs/applications/misc/zathura/cb/default.nix b/pkgs/applications/misc/zathura/cb/default.nix
index 4e2d16819ba58..69ecb1cfd1b89 100644
--- a/pkgs/applications/misc/zathura/cb/default.nix
+++ b/pkgs/applications/misc/zathura/cb/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, meson, ninja, pkgconfig, zathura_core
+{ stdenv, lib, fetchurl, meson, ninja, pkg-config, zathura_core
 , girara, gettext, libarchive }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1i6cf0vks501cggwvfsl6qb7mdaf3sszdymphimfvnspw810faj5";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext ];
   buildInputs = [ libarchive zathura_core girara ];
 
   PKG_CONFIG_ZATHURA_PLUGINDIR = "lib/zathura";
diff --git a/pkgs/applications/misc/zathura/core/default.nix b/pkgs/applications/misc/zathura/core/default.nix
index c56f42691f796..5690dc0db104a 100644
--- a/pkgs/applications/misc/zathura/core/default.nix
+++ b/pkgs/applications/misc/zathura/core/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, wrapGAppsHook, pkgconfig
+{ lib, stdenv, fetchurl, meson, ninja, wrapGAppsHook, pkg-config
 , appstream-glib, desktop-file-utils, python3
 , gtk, girara, gettext, libxml2, check
 , sqlite, glib, texlive, libintl, libseccomp
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   ] ++ optional (!stdenv.isLinux) "-Dseccomp=disabled";
 
   nativeBuildInputs = [
-    meson ninja pkgconfig desktop-file-utils python3.pkgs.sphinx
+    meson ninja pkg-config desktop-file-utils python3.pkgs.sphinx
     gettext wrapGAppsHook libxml2 check appstream-glib
   ];
 
diff --git a/pkgs/applications/misc/zathura/djvu/default.nix b/pkgs/applications/misc/zathura/djvu/default.nix
index a5ed7ab678122..f0fe09486324d 100644
--- a/pkgs/applications/misc/zathura/djvu/default.nix
+++ b/pkgs/applications/misc/zathura/djvu/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, gtk, zathura_core, girara, djvulibre, gettext }:
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, gtk, zathura_core, girara, djvulibre, gettext }:
 
 stdenv.mkDerivation rec {
   pname = "zathura-djvu";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0062n236414db7q7pnn3ccg5111ghxj3407pn9ri08skxskgirln";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig ];
+  nativeBuildInputs = [ meson ninja pkg-config ];
   buildInputs = [ djvulibre gettext zathura_core gtk girara ];
 
   PKG_CONFIG_ZATHURA_PLUGINDIR = "lib/zathura";
diff --git a/pkgs/applications/misc/zathura/pdf-mupdf/default.nix b/pkgs/applications/misc/zathura/pdf-mupdf/default.nix
index 97f36f8284721..d787705be159d 100644
--- a/pkgs/applications/misc/zathura/pdf-mupdf/default.nix
+++ b/pkgs/applications/misc/zathura/pdf-mupdf/default.nix
@@ -7,7 +7,7 @@
 , libjpeg
 , mupdf
 , openjpeg_2
-, pkgconfig
+, pkg-config
 , zathura_core
 }:
 
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
     sha256 = "1r3v37k9fl2rxipvacgxr36llywvy7n20a25h3ajlyk70697sa66";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig ];
+  nativeBuildInputs = [ meson ninja pkg-config ];
 
   buildInputs = [
     cairo
diff --git a/pkgs/applications/misc/zathura/pdf-poppler/default.nix b/pkgs/applications/misc/zathura/pdf-poppler/default.nix
index bafa293ad9c3b..b76e72a6970ca 100644
--- a/pkgs/applications/misc/zathura/pdf-poppler/default.nix
+++ b/pkgs/applications/misc/zathura/pdf-poppler/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, meson, ninja, pkgconfig, zathura_core, girara, poppler }:
+{ stdenv, lib, fetchurl, meson, ninja, pkg-config, zathura_core, girara, poppler }:
 
 stdenv.mkDerivation rec {
   pname = "zathura-pdf-poppler";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1vfl4vkyy3rf39r1sqaa7y8113bgkh2bkfq3nn2inis9mrykmk6m";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig zathura_core ];
+  nativeBuildInputs = [ meson ninja pkg-config zathura_core ];
   buildInputs = [ poppler girara ];
 
   PKG_CONFIG_ZATHURA_PLUGINDIR = "lib/zathura";
diff --git a/pkgs/applications/misc/zathura/ps/default.nix b/pkgs/applications/misc/zathura/ps/default.nix
index 05cc570eb8f10..ee63a9df53bd9 100644
--- a/pkgs/applications/misc/zathura/ps/default.nix
+++ b/pkgs/applications/misc/zathura/ps/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, lib, fetchurl, meson, ninja, pkgconfig, zathura_core, girara, libspectre, gettext }:
+{ stdenv, lib, fetchurl, meson, ninja, pkg-config, zathura_core, girara, libspectre, gettext }:
 
 stdenv.mkDerivation rec {
   pname = "zathura-ps";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0wygq89nyjrjnsq7vbpidqdsirjm6iq4w2rijzwpk2f83ys8bc3y";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext ];
   buildInputs = [ libspectre zathura_core girara ];
 
   PKG_CONFIG_ZATHURA_PLUGINDIR = "lib/zathura";