pkgs/desktops: pkgconfig -> pkg-config

author: Ben Siraphob <bensiraphob@gmail.com> 2021-01-17 09:21:50 +0700
committer: Jonathan Ringer <jonringer@users.noreply.github.com> 2021-01-16 23:49:59 -0800
commit: 5fffcef915761939a2d78e679e43551dc1adf09e (patch)
tree: d1e88b3fabb6a528151738acf0691c97b27d78ac
parent: 82ba45d59ea531f06e8849c284618067d2822d3a (diff)
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268 files changed, 539 insertions, 539 deletions
diff --git a/pkgs/desktops/cinnamon/cinnamon-common/default.nix b/pkgs/desktops/cinnamon/cinnamon-common/default.nix
index 5886804392b..11fcdb7452b 100644
--- a/pkgs/desktops/cinnamon/cinnamon-common/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-common/default.nix
@@ -22,7 +22,7 @@
 , libXtst
 , muffin
 , networkmanager
-, pkgconfig
+, pkg-config
 , polkit
 , lib, stdenv
 , wrapGAppsHook
@@ -90,7 +90,7 @@ stdenv.mkDerivation rec {
     libXtst
     muffin
     networkmanager
-    pkgconfig
+    pkg-config
     polkit
     libxml2
     libgnomekbd
diff --git a/pkgs/desktops/cinnamon/cinnamon-common/libcroco.nix b/pkgs/desktops/cinnamon/cinnamon-common/libcroco.nix
index c7b912f8281..d1ec77b7050 100644
--- a/pkgs/desktops/cinnamon/cinnamon-common/libcroco.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-common/libcroco.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libxml2, glib, gnome3 }:
+{ lib, stdenv, fetchurl, pkg-config, libxml2, glib, gnome3 }:
 
 stdenv.mkDerivation rec {
   pname = "libcroco";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = lib.optional stdenv.isDarwin "--disable-Bsymbolic";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxml2 glib ];
 
   passthru = {
diff --git a/pkgs/desktops/cinnamon/cinnamon-control-center/default.nix b/pkgs/desktops/cinnamon/cinnamon-control-center/default.nix
index 6a495ccc516..198cfe40a6d 100644
--- a/pkgs/desktops/cinnamon/cinnamon-control-center/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-control-center/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , autoreconfHook
 , glib
 , gettext
@@ -102,7 +102,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     autoreconfHook
     wrapGAppsHook
     gettext
diff --git a/pkgs/desktops/cinnamon/cinnamon-desktop/default.nix b/pkgs/desktops/cinnamon/cinnamon-desktop/default.nix
index f9b204d6114..cdcabb1261f 100644
--- a/pkgs/desktops/cinnamon/cinnamon-desktop/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-desktop/default.nix
@@ -5,7 +5,7 @@
 , intltool
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , pulseaudio
 , python3
 , lib, stdenv
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     python3
     wrapGAppsHook
     intltool
-    pkgconfig
+    pkg-config
   ];
 
   postPatch = ''
diff --git a/pkgs/desktops/cinnamon/cinnamon-menus/default.nix b/pkgs/desktops/cinnamon/cinnamon-menus/default.nix
index cdcbe6ec805..a1771506477 100644
--- a/pkgs/desktops/cinnamon/cinnamon-menus/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-menus/default.nix
@@ -3,7 +3,7 @@
 , gobject-introspection
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , lib, stdenv
 , wrapGAppsHook
 }:
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     wrapGAppsHook
-    pkgconfig
+    pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/desktops/cinnamon/cinnamon-screensaver/default.nix b/pkgs/desktops/cinnamon/cinnamon-screensaver/default.nix
index 029dea37de1..8c213a2854c 100644
--- a/pkgs/desktops/cinnamon/cinnamon-screensaver/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-screensaver/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , glib
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     gettext
     intltool
diff --git a/pkgs/desktops/cinnamon/cinnamon-session/default.nix b/pkgs/desktops/cinnamon/cinnamon-session/default.nix
index 303523420c7..3d63846026a 100644
--- a/pkgs/desktops/cinnamon/cinnamon-session/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-session/default.nix
@@ -12,7 +12,7 @@
 , makeWrapper
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , lib, stdenv
 , systemd
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
     docbook_xsl
     docbook_xml_dtd_412
     python3
-    pkgconfig
+    pkg-config
     libxslt
     xmlto
   ];
diff --git a/pkgs/desktops/cinnamon/cinnamon-settings-daemon/default.nix b/pkgs/desktops/cinnamon/cinnamon-settings-daemon/default.nix
index 4e930741b99..c5bae4e5767 100644
--- a/pkgs/desktops/cinnamon/cinnamon-settings-daemon/default.nix
+++ b/pkgs/desktops/cinnamon/cinnamon-settings-daemon/default.nix
@@ -13,7 +13,7 @@
 , libnotify
 , libxklavier
 , wrapGAppsHook
-, pkgconfig
+, pkg-config
 , pulseaudio
 , lib, stdenv
 , systemd
@@ -92,7 +92,7 @@ stdenv.mkDerivation rec {
     autoreconfHook
     wrapGAppsHook
     intltool
-    pkgconfig
+    pkg-config
   ];
 
   outputs = [ "out" "dev" ];
diff --git a/pkgs/desktops/cinnamon/cjs/default.nix b/pkgs/desktops/cinnamon/cjs/default.nix
index 90989d45e42..184c1438196 100644
--- a/pkgs/desktops/cinnamon/cjs/default.nix
+++ b/pkgs/desktops/cinnamon/cjs/default.nix
@@ -1,7 +1,7 @@
 { dbus-glib
 , fetchFromGitHub
 , gobject-introspection
-, pkgconfig
+, pkg-config
 , lib, stdenv
 , wrapGAppsHook
 , python3
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson # ADDING cmake breaks the build, ignore meson warning
     ninja
-    pkgconfig
+    pkg-config
     makeWrapper
     which # for locale detection
     libxml2 # for xml-stripblanks
diff --git a/pkgs/desktops/cinnamon/muffin/default.nix b/pkgs/desktops/cinnamon/muffin/default.nix
index be6f69359cc..93079e21d3d 100644
--- a/pkgs/desktops/cinnamon/muffin/default.nix
+++ b/pkgs/desktops/cinnamon/muffin/default.nix
@@ -13,7 +13,7 @@
 , libstartup_notification
 , libXtst
 , libxkbcommon
-, pkgconfig
+, pkg-config
 , lib, stdenv
 , udev
 , xorg
@@ -75,7 +75,7 @@ stdenv.mkDerivation rec {
     gettext
     libtool
     wrapGAppsHook
-    pkgconfig
+    pkg-config
     intltool
 
     gnome-doc-utils
diff --git a/pkgs/desktops/cinnamon/nemo/default.nix b/pkgs/desktops/cinnamon/nemo/default.nix
index aa876a305c6..5017c1ce7d5 100644
--- a/pkgs/desktops/cinnamon/nemo/default.nix
+++ b/pkgs/desktops/cinnamon/nemo/default.nix
@@ -4,7 +4,7 @@
 , gobject-introspection
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , lib, stdenv
 , wrapGAppsHook
 , libxml2
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson
-    pkgconfig
+    pkg-config
     ninja
     wrapGAppsHook
     intltool
diff --git a/pkgs/desktops/cinnamon/xapps/default.nix b/pkgs/desktops/cinnamon/xapps/default.nix
index 0e8c7defa72..f9429a071cc 100644
--- a/pkgs/desktops/cinnamon/xapps/default.nix
+++ b/pkgs/desktops/cinnamon/xapps/default.nix
@@ -9,7 +9,7 @@
 , xorg
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , lib, stdenv
 , vala
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/enlightenment/econnman/default.nix b/pkgs/desktops/enlightenment/econnman/default.nix
index 265c66d0d82..a781aa230b6 100644
--- a/pkgs/desktops/enlightenment/econnman/default.nix
+++ b/pkgs/desktops/enlightenment/econnman/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, efl, python3Packages, dbus, makeWrapper }:
+{ lib, stdenv, fetchurl, pkg-config, efl, python3Packages, dbus, makeWrapper }:
 
 stdenv.mkDerivation rec {
   pname = "econnman";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "057pwwavlvrrq26bncqnfrf449zzaim0zq717xv86av4n940gwv0";
   };
 
-  nativeBuildInputs = [ makeWrapper pkgconfig python3Packages.wrapPython ];
+  nativeBuildInputs = [ makeWrapper pkg-config python3Packages.wrapPython ];
 
   buildInputs = [ efl python3Packages.python dbus ];
 
diff --git a/pkgs/desktops/enlightenment/ephoto/default.nix b/pkgs/desktops/enlightenment/ephoto/default.nix
index 952fc41d1ba..2da7df3728d 100644
--- a/pkgs/desktops/enlightenment/ephoto/default.nix
+++ b/pkgs/desktops/enlightenment/ephoto/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, efl, pcre, mesa, makeWrapper }:
+{ lib, stdenv, fetchurl, pkg-config, efl, pcre, mesa, makeWrapper }:
 
 stdenv.mkDerivation rec {
   pname = "ephoto";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     mesa.dev # otherwise pkg-config does not find gbm
     makeWrapper
   ];
diff --git a/pkgs/desktops/enlightenment/rage/default.nix b/pkgs/desktops/enlightenment/rage/default.nix
index c35a75b0932..ac3eb796388 100644
--- a/pkgs/desktops/enlightenment/rage/default.nix
+++ b/pkgs/desktops/enlightenment/rage/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, efl, gst_all_1, pcre, mesa, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, efl, gst_all_1, pcre, mesa, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "rage";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     mesa.dev
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-2/bindings/gnome-python-desktop/default.nix b/pkgs/desktops/gnome-2/bindings/gnome-python-desktop/default.nix
index ef4c2ba0d91..86d92adbea8 100644
--- a/pkgs/desktops/gnome-2/bindings/gnome-python-desktop/default.nix
+++ b/pkgs/desktops/gnome-2/bindings/gnome-python-desktop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gnome_python, librsvg, libwnck, libgtop, pkgconfig, python2, gtk2 }:
+{ lib, stdenv, fetchurl, gnome_python, librsvg, libwnck, libgtop, pkg-config, python2, gtk2 }:
 
 let
   inherit (python2.pkgs) python pygtk;
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
     sha256 = "1s8f9rns9v7qlwjv9qh9lr8crp88dpzfm45hj47zc3ivpy0dbnq9";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 librsvg libwnck libgtop python ];
   propagatedBuildInputs = [ gnome_python pygtk ];
 
diff --git a/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix b/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
index 01b7149291b..1e7d726d557 100644
--- a/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
+++ b/pkgs/desktops/gnome-2/bindings/gnome-python/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, python2, pkgconfig, libgnome, GConf, glib, gtk2, gnome_vfs }:
+{ lib, stdenv, fetchurl, python2, pkg-config, libgnome, GConf, glib, gtk2, gnome_vfs }:
 
 with lib;
 
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
     sha256 = "759ce9344cbf89cf7f8449d945822a0c9f317a494f56787782a901e4119b96d8";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ python glib gtk2 GConf libgnome gnome_vfs ];
   propagatedBuildInputs = [ pygobject2 pygtk dbus-python ];
 
diff --git a/pkgs/desktops/gnome-2/bindings/libglademm/default.nix b/pkgs/desktops/gnome-2/bindings/libglademm/default.nix
index 177a9f47c31..b997a9ddd1a 100644
--- a/pkgs/desktops/gnome-2/bindings/libglademm/default.nix
+++ b/pkgs/desktops/gnome-2/bindings/libglademm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, intltool, gtkmm2, libglade }:
+{ stdenv, fetchurl, pkg-config, intltool, gtkmm2, libglade }:
 
 stdenv.mkDerivation rec {
   name = "libglademm-2.6.7";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "devdoc" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool ];
 
   propagatedBuildInputs = [ gtkmm2 libglade ];
diff --git a/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix b/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
index 741e2efe345..34dfaa85b2f 100644
--- a/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
+++ b/pkgs/desktops/gnome-2/desktop/gtksourceview/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, fetchpatch, fetchurl, autoreconfHook, pkgconfig, atk, cairo, glib
+{lib, stdenv, fetchpatch, fetchurl, autoreconfHook, pkg-config, atk, cairo, glib
 , gnome-common, gtk2, pango
 , libxml2Python, perl, intltool, gettext, gtk-mac-integration-gtk2 }:
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     atk cairo glib gtk2
     pango libxml2Python perl intltool
diff --git a/pkgs/desktops/gnome-2/desktop/mail-notification/default.nix b/pkgs/desktops/gnome-2/desktop/mail-notification/default.nix
index 6cfc2891ee4..1e0064a8fad 100644
--- a/pkgs/desktops/gnome-2/desktop/mail-notification/default.nix
+++ b/pkgs/desktops/gnome-2/desktop/mail-notification/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, glib, gnome2, dbus-glib, gmime, gnome-icon-theme, libnotify, libgnome-keyring, openssl, cyrus_sasl, sylpheed, gob2, gettext, intltool, libxml2, hicolor-icon-theme, tango-icon-theme }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, glib, gnome2, dbus-glib, gmime, gnome-icon-theme, libnotify, libgnome-keyring, openssl, cyrus_sasl, sylpheed, gob2, gettext, intltool, libxml2, hicolor-icon-theme, tango-icon-theme }:
 
 stdenv.mkDerivation rec {
   rev = "9ae8768";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1slb7gajn30vdaq0hf5rikwdly1npmg1cf83hpjs82xd98knl13d";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
    buildInputs = [ glib dbus-glib gmime libnotify libgnome-keyring openssl cyrus_sasl sylpheed gob2 gettext intltool gnome2.GConf gnome2.libgnomeui dbus-glib gmime libnotify gnome2.scrollkeeper libxml2 gnome-icon-theme hicolor-icon-theme tango-icon-theme ];
 
   prePatch = ''
diff --git a/pkgs/desktops/gnome-2/desktop/scrollkeeper/default.nix b/pkgs/desktops/gnome-2/desktop/scrollkeeper/default.nix
index e5892c0659f..258789140c8 100644
--- a/pkgs/desktops/gnome-2/desktop/scrollkeeper/default.nix
+++ b/pkgs/desktops/gnome-2/desktop/scrollkeeper/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, perlPackages, libxml2, libxslt, docbook_xml_dtd_42, automake, gettext}:
+{stdenv, fetchurl, pkg-config, perlPackages, libxml2, libxslt, docbook_xml_dtd_42, automake, gettext}:
 
 stdenv.mkDerivation {
   name = "scrollkeeper-0.3.14";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     cp ${automake}/share/automake*/config.{sub,guess} .
   ";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxml2 libxslt gettext ]
     ++ (with perlPackages; [ perl XMLParser ]);
   configureFlags = [ "--with-xml-catalog=${docbook_xml_dtd_42}/xml/dtd/docbook/catalog.xml" ];
diff --git a/pkgs/desktops/gnome-2/desktop/vte/default.nix b/pkgs/desktops/gnome-2/desktop/vte/default.nix
index 1b8071144a3..6ce8df2daf4 100644
--- a/pkgs/desktops/gnome-2/desktop/vte/default.nix
+++ b/pkgs/desktops/gnome-2/desktop/vte/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, intltool, pkgconfig, glib, gtk2, ncurses
+{ lib, stdenv, fetchurl, fetchpatch, intltool, pkg-config, glib, gtk2, ncurses
 , pythonSupport ? false, python27Packages}:
 
 let
@@ -28,7 +28,7 @@ in stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool glib gtk2 ncurses ] ++
                 lib.optionals pythonSupport [python pygtk];
 
diff --git a/pkgs/desktops/gnome-2/platform/GConf/default.nix b/pkgs/desktops/gnome-2/platform/GConf/default.nix
index bf4bd9fb68d..ec8deb537d0 100644
--- a/pkgs/desktops/gnome-2/platform/GConf/default.nix
+++ b/pkgs/desktops/gnome-2/platform/GConf/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, dbus-glib, glib, ORBit2, libxml2, polkit, python3, intltool }:
+{ lib, stdenv, fetchurl, pkg-config, dbus-glib, glib, ORBit2, libxml2, polkit, python3, intltool }:
 
 stdenv.mkDerivation rec {
   pname = "gconf";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   propagatedBuildInputs = [ glib dbus-glib ];
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
 
   configureFlags =
     # fixes the "libgconfbackend-oldxml.so is not portable" error on darwin
diff --git a/pkgs/desktops/gnome-2/platform/ORBit2/default.nix b/pkgs/desktops/gnome-2/platform/ORBit2/default.nix
index 48198bbdc9d..ab76e0c64fd 100644
--- a/pkgs/desktops/gnome-2/platform/ORBit2/default.nix
+++ b/pkgs/desktops/gnome-2/platform/ORBit2/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, glib, libIDL, libintl }:
+{ lib, stdenv, fetchurl, pkg-config, glib, libIDL, libintl }:
 
 stdenv.mkDerivation rec {
   name = "ORBit2-${minVer}.19";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l3mhpyym9m5iz09fz0rgiqxl2ym6kpkwpsp1xrr4aa80nlh1jam";
   };
 
-  nativeBuildInputs = [ pkgconfig libintl ];
+  nativeBuildInputs = [ pkg-config libintl ];
   propagatedBuildInputs = [ glib libIDL ];
 
   outputs = [ "out" "dev" ];
diff --git a/pkgs/desktops/gnome-2/platform/gnome-vfs/default.nix b/pkgs/desktops/gnome-2/platform/gnome-vfs/default.nix
index 7196840978f..4196cf21c27 100644
--- a/pkgs/desktops/gnome-2/platform/gnome-vfs/default.nix
+++ b/pkgs/desktops/gnome-2/platform/gnome-vfs/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, libxml2, bzip2, openssl, dbus-glib
+{ stdenv, fetchurl, fetchpatch, pkg-config, libxml2, bzip2, openssl, dbus-glib
 , glib, gamin, cdparanoia, intltool, GConf, gnome_mime_data, avahi, acl }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ intltool pkgconfig ];
+  nativeBuildInputs = [ intltool pkg-config ];
   buildInputs =
     [ libxml2 bzip2 openssl dbus-glib gamin cdparanoia
       gnome_mime_data avahi acl
diff --git a/pkgs/desktops/gnome-2/platform/gtkglext/default.nix b/pkgs/desktops/gnome-2/platform/gtkglext/default.nix
index 780acebbb37..ed0971b7131 100644
--- a/pkgs/desktops/gnome-2/platform/gtkglext/default.nix
+++ b/pkgs/desktops/gnome-2/platform/gtkglext/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitLab
-, pkgconfig
+, pkg-config
 , gtk-doc
 , autoconf
 , automake
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gtk-doc
     autoconf
     automake
diff --git a/pkgs/desktops/gnome-2/platform/gtkhtml/4.x.nix b/pkgs/desktops/gnome-2/platform/gtkhtml/4.x.nix
index f4d6cb534bc..d8e1ea7108e 100644
--- a/pkgs/desktops/gnome-2/platform/gtkhtml/4.x.nix
+++ b/pkgs/desktops/gnome-2/platform/gtkhtml/4.x.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk3, intltool
+{ stdenv, fetchurl, pkg-config, gtk3, intltool
 , GConf, enchant, isocodes, gnome-icon-theme, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
@@ -11,6 +11,6 @@ stdenv.mkDerivation rec {
   };
 
   propagatedBuildInputs = [ gsettings-desktop-schemas gtk3 gnome-icon-theme GConf ];
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ intltool enchant isocodes ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/gtkhtml/default.nix b/pkgs/desktops/gnome-2/platform/gtkhtml/default.nix
index 57a000351cf..ec87bafc998 100644
--- a/pkgs/desktops/gnome-2/platform/gtkhtml/default.nix
+++ b/pkgs/desktops/gnome-2/platform/gtkhtml/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk2, intltool,
+{ stdenv, fetchurl, pkg-config, gtk2, intltool,
 GConf, enchant, isocodes, gnome-icon-theme }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   #http://www.mail-archive.com/debian-bugs-rc@lists.debian.org/msg250091.html
   patches = [ ./01_remove-disable-deprecated.patch ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 intltool GConf enchant isocodes gnome-icon-theme ];
 
   NIX_LDFLAGS = "-lgthread-2.0";
diff --git a/pkgs/desktops/gnome-2/platform/libIDL/default.nix b/pkgs/desktops/gnome-2/platform/libIDL/default.nix
index 1fc78002606..4e9376d5c82 100644
--- a/pkgs/desktops/gnome-2/platform/libIDL/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libIDL/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, flex, bison, pkgconfig, glib, gettext}:
+{stdenv, fetchurl, flex, bison, pkg-config, glib, gettext}:
 
 stdenv.mkDerivation rec {
   name = "libIDL-${minVer}.14";
@@ -11,5 +11,5 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib gettext ];
 
-  nativeBuildInputs = [ flex bison pkgconfig ];
+  nativeBuildInputs = [ flex bison pkg-config ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libbonobo/default.nix b/pkgs/desktops/gnome-2/platform/libbonobo/default.nix
index bf0cec8dfbe..8d991d743be 100644
--- a/pkgs/desktops/gnome-2/platform/libbonobo/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libbonobo/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, flex, bison, pkgconfig, glib, libxml2, popt
+{ stdenv, fetchurl, flex, bison, pkg-config, glib, libxml2, popt
 , intltool, ORBit2, procps }:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   preConfigure = # still using stuff deprecated in new glib versions
     "sed 's/-DG_DISABLE_DEPRECATED//g' -i configure activation-server/Makefile.in";
 
-  nativeBuildInputs = [ flex bison pkgconfig intltool procps ];
+  nativeBuildInputs = [ flex bison pkg-config intltool procps ];
   buildInputs = [ libxml2 ];
   propagatedBuildInputs = [ popt glib ORBit2 ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libbonoboui/default.nix b/pkgs/desktops/gnome-2/platform/libbonoboui/default.nix
index 0be9d7acb9c..4f9176acf10 100644
--- a/pkgs/desktops/gnome-2/platform/libbonoboui/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libbonoboui/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, bison, pkgconfig, popt, libxml2, gtk2, libtool
+{ stdenv, fetchurl, bison, pkg-config, popt, libxml2, gtk2, libtool
 , intltool, libbonobo, GConf, libgnomecanvas, libgnome, libglade }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   buildInputs = [ bison popt gtk2 libxml2 GConf libglade libtool ];
   propagatedBuildInputs = [ libbonobo libgnomecanvas libgnome ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libglade/default.nix b/pkgs/desktops/gnome-2/platform/libglade/default.nix
index befa237dfd5..3eb7b533f09 100644
--- a/pkgs/desktops/gnome-2/platform/libglade/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libglade/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2, libxml2, python2 ? null, withLibgladeConvert ? false, gettext }:
+{ lib, stdenv, fetchurl, pkg-config, gtk2, libxml2, python2 ? null, withLibgladeConvert ? false, gettext }:
 
 assert withLibgladeConvert -> python2 != null;
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 gettext ]
     ++ lib.optional withLibgladeConvert python2;
 
diff --git a/pkgs/desktops/gnome-2/platform/libgnome/default.nix b/pkgs/desktops/gnome-2/platform/libgnome/default.nix
index 42f47bc5a83..ee477cb63c1 100644
--- a/pkgs/desktops/gnome-2/platform/libgnome/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnome/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, glib, popt, zlib, libcanberra-gtk2
+{ stdenv, fetchurl, pkg-config, glib, popt, zlib, libcanberra-gtk2
 , intltool, libbonobo, GConf, gnome_vfs, libtool, libogg
 }:
 
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
 
   outputs = [ "out" "dev" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ popt zlib intltool GConf gnome_vfs libcanberra-gtk2 libtool ];
   propagatedBuildInputs = [ glib libbonobo libogg ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libgnomecanvas/default.nix b/pkgs/desktops/gnome-2/platform/libgnomecanvas/default.nix
index 72928d82037..eb40c5ec0b5 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomecanvas/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomecanvas/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk2, intltool, libart_lgpl, libglade }:
+{ stdenv, fetchurl, pkg-config, gtk2, intltool, libart_lgpl, libglade }:
 
 stdenv.mkDerivation rec {
   name = "libgnomecanvas-${minVer}.3";
@@ -12,6 +12,6 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" ];
 
   buildInputs = [ libglade ];
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   propagatedBuildInputs = [ libart_lgpl gtk2 ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libgnomecanvasmm/default.nix b/pkgs/desktops/gnome-2/platform/libgnomecanvasmm/default.nix
index b3ac327f8c3..2811a138cb6 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomecanvasmm/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomecanvasmm/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, libgnomecanvas, gtkmm2 }:
+{ stdenv, fetchurl, pkg-config, libgnomecanvas, gtkmm2 }:
 
 stdenv.mkDerivation {
   name = "libgnomecanvasmm-2.26.0";
@@ -8,6 +8,6 @@ stdenv.mkDerivation {
     sha256 = "996577f97f459a574919e15ba7fee6af8cda38a87a98289e9a4f54752d83e918";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libgnomecanvas gtkmm2 ];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libgnomecups/default.nix b/pkgs/desktops/gnome-2/platform/libgnomecups/default.nix
index ee0282147de..7e33ee91285 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomecups/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomecups/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, pkgconfig, gtk2, gettext, libxml2, intltool, libart_lgpl }:
+{ stdenv, fetchurl, pkg-config, gtk2, gettext, libxml2, intltool, libart_lgpl }:
 
 stdenv.mkDerivation rec {
   name = "libgnomecups-0.2.3";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./glib.patch ./cups_1.6.patch ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 gettext intltool libart_lgpl ];
 
   propagatedBuildInputs = [ libxml2 ];
diff --git a/pkgs/desktops/gnome-2/platform/libgnomeprint/default.nix b/pkgs/desktops/gnome-2/platform/libgnomeprint/default.nix
index dd1975ac20f..b67be2b7f5b 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomeprint/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomeprint/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, gtk2, gettext, libxml2, intltool, libart_lgpl
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, gtk2, gettext, libxml2, intltool, libart_lgpl
 , libgnomecups, bison, flex }:
 
 stdenv.mkDerivation rec {
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 gettext intltool libart_lgpl libgnomecups bison flex ];
 
   propagatedBuildInputs = [ libxml2 ];
diff --git a/pkgs/desktops/gnome-2/platform/libgnomeprintui/default.nix b/pkgs/desktops/gnome-2/platform/libgnomeprintui/default.nix
index e535fe832d5..80d2c2050af 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomeprintui/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomeprintui/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, gtk2, gettext, intltool, libgnomecanvas, libgnomeprint, gnome-icon-theme}:
+{stdenv, fetchurl, pkg-config, gtk2, gettext, intltool, libgnomecanvas, libgnomeprint, gnome-icon-theme}:
 
 stdenv.mkDerivation {
   name = "libgnomeprintui-2.18.6";
@@ -8,6 +8,6 @@ stdenv.mkDerivation {
     sha256 = "0spl8vinb5n6n1krnfnr61dwaxidg67h8j94z9p59k2xdsvfashm";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 gettext intltool libgnomecanvas libgnomeprint gnome-icon-theme];
 }
diff --git a/pkgs/desktops/gnome-2/platform/libgnomeui/default.nix b/pkgs/desktops/gnome-2/platform/libgnomeui/default.nix
index 20cc3877efb..0fa3847d9bd 100644
--- a/pkgs/desktops/gnome-2/platform/libgnomeui/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgnomeui/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, fetchpatch, pkgconfig, libxml2, xorg, glib, pango
+{ stdenv, fetchurl, fetchpatch, pkg-config, libxml2, xorg, glib, pango
 , intltool, libgnome, libgnomecanvas, libbonoboui, GConf, libtool
 , gnome_vfs, libgnome-keyring, libglade }:
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   buildInputs =
     [ xorg.xlibsWrapper libxml2 GConf pango glib libgnome-keyring libglade libtool ];
 
diff --git a/pkgs/desktops/gnome-2/platform/libgtkhtml/default.nix b/pkgs/desktops/gnome-2/platform/libgtkhtml/default.nix
index 0d362a28519..e7cf117ecdb 100644
--- a/pkgs/desktops/gnome-2/platform/libgtkhtml/default.nix
+++ b/pkgs/desktops/gnome-2/platform/libgtkhtml/default.nix
@@ -1,4 +1,4 @@
-{stdenv, fetchurl, pkgconfig, gtk2, gettext, libxml2 }:
+{stdenv, fetchurl, pkg-config, gtk2, gettext, libxml2 }:
 
 stdenv.mkDerivation {
   name = "libgtkhtml-2.11.1";
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "0msajafd42545dxzyr5zqka990cjrxw2yz09ajv4zs8m1w6pm9rw";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk2 gettext ];
   propagatedBuildInputs = [ libxml2 ];
 
diff --git a/pkgs/desktops/gnome-3/apps/accerciser/default.nix b/pkgs/desktops/gnome-3/apps/accerciser/default.nix
index 0620d699ac8..550f3f31d0b 100644
--- a/pkgs/desktops/gnome-3/apps/accerciser/default.nix
+++ b/pkgs/desktops/gnome-3/apps/accerciser/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , gnome3
 , gtk3
 , wrapGAppsHook
@@ -31,7 +31,7 @@ python3.pkgs.buildPythonApplication rec {
     gobject-introspection # For setup hook
     itstool
     libxml2
-    pkgconfig
+    pkg-config
     dbus
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/apps/cheese/default.nix b/pkgs/desktops/gnome-3/apps/cheese/default.nix
index 986bd43331f..04c6b31563c 100644
--- a/pkgs/desktops/gnome-3/apps/cheese/default.nix
+++ b/pkgs/desktops/gnome-3/apps/cheese/default.nix
@@ -4,7 +4,7 @@
 , wrapGAppsHook
 , gnome-video-effects
 , libcanberra-gtk3
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , clutter-gtk
@@ -64,7 +64,7 @@ stdenv.mkDerivation rec {
     libxslt
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/evolution/default.nix b/pkgs/desktops/gnome-3/apps/evolution/default.nix
index 45c8015ce24..4bede93ebb7 100644
--- a/pkgs/desktops/gnome-3/apps/evolution/default.nix
+++ b/pkgs/desktops/gnome-3/apps/evolution/default.nix
@@ -6,7 +6,7 @@
 , libxml2
 , webkitgtk
 , highlight
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , libnotify
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     itstool
     libxml2
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/desktops/gnome-3/apps/file-roller/default.nix b/pkgs/desktops/gnome-3/apps/file-roller/default.nix
index fead1c7bcff..81680fb5df8 100644
--- a/pkgs/desktops/gnome-3/apps/file-roller/default.nix
+++ b/pkgs/desktops/gnome-3/apps/file-roller/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, gtk3, meson, ninja, pkgconfig, gnome3, gettext, itstool, libxml2, libarchive
+{ lib, stdenv, fetchurl, glib, gtk3, meson, ninja, pkg-config, gnome3, gettext, itstool, libxml2, libarchive
 , file, json-glib, python3, wrapGAppsHook, desktop-file-utils, libnotify, nautilus, glibcLocales }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   LANG = "en_US.UTF-8"; # postinstall.py
 
-  nativeBuildInputs = [ meson ninja gettext itstool pkgconfig libxml2 python3 wrapGAppsHook glibcLocales desktop-file-utils ];
+  nativeBuildInputs = [ meson ninja gettext itstool pkg-config libxml2 python3 wrapGAppsHook glibcLocales desktop-file-utils ];
 
   buildInputs = [ glib gtk3 json-glib libarchive file gnome3.adwaita-icon-theme libnotify nautilus ];
 
diff --git a/pkgs/desktops/gnome-3/apps/gedit/default.nix b/pkgs/desktops/gnome-3/apps/gedit/default.nix
index 38d059cc84d..79d31c3b8c7 100644
--- a/pkgs/desktops/gnome-3/apps/gedit/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gedit/default.nix
@@ -2,7 +2,7 @@
 , meson
 , fetchurl
 , python3
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , adwaita-icon-theme
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     perl
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/ghex/default.nix b/pkgs/desktops/gnome-3/apps/ghex/default.nix
index d832d1e809b..fb8cf0a1a1c 100644
--- a/pkgs/desktops/gnome-3/apps/ghex/default.nix
+++ b/pkgs/desktops/gnome-3/apps/ghex/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchurl
 , fetchpatch
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , python3
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     itstool
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/apps/gnome-books/default.nix b/pkgs/desktops/gnome-3/apps/gnome-books/default.nix
index 1b9cf9ce4ab..bff7c5fb281 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-books/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-books/default.nix
@@ -5,7 +5,7 @@
 , fetchurl
 , evince
 , gjs
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , tracker
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     libxslt
     desktop-file-utils
diff --git a/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix b/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
index 3fa9bc23ea1..302fb7f8127 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-boxes/default.nix
@@ -3,7 +3,7 @@
 , meson
 , ninja
 , wrapGAppsHook
-, pkgconfig
+, pkg-config
 , gettext
 , itstool
 , libvirt-glib
@@ -70,7 +70,7 @@ stdenv.mkDerivation rec {
     itstool
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/gnome-calendar/default.nix b/pkgs/desktops/gnome-3/apps/gnome-calendar/default.nix
index 9f66f9b78ba..e15125a00bf 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-calendar/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-calendar/default.nix
@@ -3,7 +3,7 @@
 , fetchpatch
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , libdazzle
 , libgweather
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     libxml2
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix b/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
index c435bc49c23..3a65be9440e 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-characters/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gettext
 , gnome3
 , glib
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix b/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
index bd90b5914aa..a2caaf068eb 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-clocks/default.nix
@@ -3,7 +3,7 @@
 , meson
 , ninja
 , gettext
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , itstool
 , desktop-file-utils
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     vala
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
index 84ca0ab5997..3172ae27123 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-documents/default.nix
@@ -6,7 +6,7 @@
 , fetchpatch
 , evince
 , gjs
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , tracker
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     libxslt
diff --git a/pkgs/desktops/gnome-3/apps/gnome-logs/default.nix b/pkgs/desktops/gnome-3/apps/gnome-logs/default.nix
index eae4cbdbda8..20b27b2ddd0 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-logs/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-logs/default.nix
@@ -3,7 +3,7 @@
 , fetchpatch
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , glib
 , gtk3
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     python3
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     gettext
     itstool
diff --git a/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix b/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
index 752fb4d820e..fa2fb86a5ce 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-maps/default.nix
@@ -4,7 +4,7 @@
 , ninja
 , gettext
 , python3
-, pkgconfig
+, pkg-config
 , gnome3
 , gtk3
 , gobject-introspection
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/apps/gnome-music/default.nix b/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
index 6cedbcaf4d6..fc0ee5d38ff 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-music/default.nix
@@ -14,7 +14,7 @@
 , gnome-online-accounts
 , grilo
 , grilo-plugins
-, pkgconfig
+, pkg-config
 , gtk3
 , pango
 , glib
@@ -44,7 +44,7 @@ python3.pkgs.buildPythonApplication rec {
     ninja
     gettext
     itstool
-    pkgconfig
+    pkg-config
     libxml2
     wrapGAppsHook
     desktop-file-utils
diff --git a/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix b/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
index 60a70ac63ea..6fca1c0eea5 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-nettool/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , libgtop, intltool, itstool, libxml2, nmap, inetutils }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1c9cvzvyqgfwa5zzyvp7118pkclji62fkbb33g4y9sp5kw6m397h";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [
     gtk3 wrapGAppsHook libgtop intltool itstool libxml2
     gnome3.adwaita-icon-theme
diff --git a/pkgs/desktops/gnome-3/apps/gnome-notes/default.nix b/pkgs/desktops/gnome-3/apps/gnome-notes/default.nix
index 3f093b0e8da..c6d4a30ab0a 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-notes/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-notes/default.nix
@@ -3,7 +3,7 @@
 , ninja
 , gettext
 , fetchurl
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , itstool
 , desktop-file-utils
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     libxml2
diff --git a/pkgs/desktops/gnome-3/apps/gnome-power-manager/default.nix b/pkgs/desktops/gnome-3/apps/gnome-power-manager/default.nix
index 036aa84c094..cb79a772b79 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-power-manager/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-power-manager/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , gettext
 , fetchurl
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , meson
@@ -33,7 +33,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     gettext
 
diff --git a/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix b/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
index 6662e9f4e7e..f5ca1ba0ea6 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-sound-recorder/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , gettext
 , gobject-introspection
 , wrapGAppsHook
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     meson
     ninja
diff --git a/pkgs/desktops/gnome-3/apps/gnome-todo/default.nix b/pkgs/desktops/gnome-3/apps/gnome-todo/default.nix
index 867eca4cd9e..34aed52fa85 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-todo/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-todo/default.nix
@@ -3,7 +3,7 @@
 , fetchpatch
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , wrapGAppsHook
 , gettext
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     python3
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix b/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
index 3d720478f2a..9a5079dfc64 100644
--- a/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
+++ b/pkgs/desktops/gnome-3/apps/gnome-weather/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook, gjs, gobject-introspection
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook, gjs, gobject-introspection
 , libgweather, meson, ninja, geoclue2, gnome-desktop, python3, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "11z75ky6xp9hx7lm24xng7ydr20bzh4d6p9sbi9c8ccz2m3fdrk8";
   };
 
-  nativeBuildInputs = [ pkgconfig meson ninja wrapGAppsHook python3 ];
+  nativeBuildInputs = [ pkg-config meson ninja wrapGAppsHook python3 ];
   buildInputs = [
     gtk3 gjs gobject-introspection gnome-desktop
     libgweather gnome3.adwaita-icon-theme geoclue2 gsettings-desktop-schemas
diff --git a/pkgs/desktops/gnome-3/apps/polari/default.nix b/pkgs/desktops/gnome-3/apps/polari/default.nix
index b7206ca0ae6..727a82e5ff3 100644
--- a/pkgs/desktops/gnome-3/apps/polari/default.nix
+++ b/pkgs/desktops/gnome-3/apps/polari/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, itstool, fetchurl, gdk-pixbuf, adwaita-icon-theme
 , telepathy-glib, gjs, meson, ninja, gettext, telepathy-idle, libxml2, desktop-file-utils
-, pkgconfig, gtk3, glib, libsecret, libsoup, webkitgtk, gobject-introspection, appstream-glib
+, pkg-config, gtk3, glib, libsecret, libsoup, webkitgtk, gobject-introspection, appstream-glib
 , gnome3, wrapGAppsHook, telepathy-logger, gspell, gsettings-desktop-schemas }:
 
 let
@@ -24,7 +24,7 @@ in stdenv.mkDerivation rec {
   propagatedUserEnvPkgs = [ telepathy-idle telepathy-logger ];
 
   nativeBuildInputs = [
-    meson ninja pkgconfig itstool gettext wrapGAppsHook libxml2
+    meson ninja pkg-config itstool gettext wrapGAppsHook libxml2
     desktop-file-utils gobject-introspection appstream-glib
   ];
 
diff --git a/pkgs/desktops/gnome-3/apps/seahorse/default.nix b/pkgs/desktops/gnome-3/apps/seahorse/default.nix
index 25db5181cc4..f0972f8d6f1 100644
--- a/pkgs/desktops/gnome-3/apps/seahorse/default.nix
+++ b/pkgs/desktops/gnome-3/apps/seahorse/default.nix
@@ -5,7 +5,7 @@
 , meson
 , ninja
 , libpwquality
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , wrapGAppsHook
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/apps/vinagre/default.nix b/pkgs/desktops/gnome-3/apps/vinagre/default.nix
index aaf9aae23e7..49abb2f1a70 100644
--- a/pkgs/desktops/gnome-3/apps/vinagre/default.nix
+++ b/pkgs/desktops/gnome-3/apps/vinagre/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk3, gnome3, vte, libxml2, gtk-vnc, intltool
+{ lib, stdenv, fetchurl, pkg-config, gtk3, gnome3, vte, libxml2, gtk-vnc, intltool
 , libsecret, itstool, wrapGAppsHook, librsvg }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "cd1cdbacca25c8d1debf847455155ee798c3e67a20903df8b228d4ece5505e82";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool itstool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool itstool wrapGAppsHook ];
   buildInputs = [
     gtk3 vte libxml2 gtk-vnc libsecret gnome3.adwaita-icon-theme librsvg
   ];
diff --git a/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix b/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
index a71aca79357..a1be29b0183 100644
--- a/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
+++ b/pkgs/desktops/gnome-3/core/adwaita-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gnome3
+{ lib, stdenv, fetchurl, pkg-config, intltool, gnome3
 , iconnamingutils, gtk3, gdk-pixbuf, librsvg, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ gdk-pixbuf librsvg ];
 
-  nativeBuildInputs = [ pkgconfig intltool iconnamingutils gtk3 ];
+  nativeBuildInputs = [ pkg-config intltool iconnamingutils gtk3 ];
 
   dontDropIconThemeCache = true;
 
diff --git a/pkgs/desktops/gnome-3/core/baobab/default.nix b/pkgs/desktops/gnome-3/core/baobab/default.nix
index 15ae93075a4..81faf79cbb6 100644
--- a/pkgs/desktops/gnome-3/core/baobab/default.nix
+++ b/pkgs/desktops/gnome-3/core/baobab/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, gettext, fetchurl, vala, desktop-file-utils
-, meson, ninja, pkgconfig, python3, gtk3, glib, libxml2
+, meson, ninja, pkg-config, python3, gtk3, glib, libxml2
 , wrapGAppsHook, itstool, gnome3 }:
 
 let
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
     sha256 = "0ac3fbl15l836yvgw724q4whbkws9v4b6l2xy6bnp0b0g0a6i104";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig vala gettext itstool libxml2 desktop-file-utils wrapGAppsHook python3 ];
+  nativeBuildInputs = [ meson ninja pkg-config vala gettext itstool libxml2 desktop-file-utils wrapGAppsHook python3 ];
   buildInputs = [ gtk3 glib gnome3.adwaita-icon-theme ];
 
   doCheck = true;
diff --git a/pkgs/desktops/gnome-3/core/caribou/default.nix b/pkgs/desktops/gnome-3/core/caribou/default.nix
index 5c741614c39..88260f05acf 100644
--- a/pkgs/desktops/gnome-3/core/caribou/default.nix
+++ b/pkgs/desktops/gnome-3/core/caribou/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, pkgconfig, gnome3, glib, gtk3, clutter, dbus, python3, libxml2
+{ fetchurl, lib, stdenv, pkg-config, gnome3, glib, gtk3, clutter, dbus, python3, libxml2
 , libxklavier, libXtst, gtk2, intltool, libxslt, at-spi2-core, autoreconfHook
 , wrapGAppsHook, libgee }:
 
@@ -23,7 +23,7 @@ in stdenv.mkDerivation rec {
     })
   ];
 
-  nativeBuildInputs = [ pkgconfig intltool libxslt libxml2 autoreconfHook wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config intltool libxslt libxml2 autoreconfHook wrapGAppsHook ];
 
   buildInputs = [
     glib gtk3 clutter at-spi2-core dbus pythonEnv python3.pkgs.pygobject3
diff --git a/pkgs/desktops/gnome-3/core/dconf-editor/default.nix b/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
index 8de140e33ca..4e7892c048f 100644
--- a/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
+++ b/pkgs/desktops/gnome-3/core/dconf-editor/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, vala, libxslt, pkgconfig, glib, gtk3, gnome3, python3, dconf
+{ lib, stdenv, fetchurl, meson, ninja, vala, libxslt, pkg-config, glib, gtk3, gnome3, python3, dconf
 , libxml2, gettext, docbook_xsl, wrapGAppsHook, gobject-introspection }:
 
 let
@@ -13,7 +13,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja vala libxslt pkgconfig wrapGAppsHook
+    meson ninja vala libxslt pkg-config wrapGAppsHook
     gettext docbook_xsl libxml2 gobject-introspection python3
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/empathy/default.nix b/pkgs/desktops/gnome-3/core/empathy/default.nix
index 0e4e349dbdb..8ebb5c3f64f 100644
--- a/pkgs/desktops/gnome-3/core/empathy/default.nix
+++ b/pkgs/desktops/gnome-3/core/empathy/default.nix
@@ -2,7 +2,7 @@
 , intltool
 , fetchurl
 , webkitgtk
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , file
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     libtool
     intltool
     itstool
diff --git a/pkgs/desktops/gnome-3/core/epiphany/default.nix b/pkgs/desktops/gnome-3/core/epiphany/default.nix
index 9515d28520c..9f949b60738 100644
--- a/pkgs/desktops/gnome-3/core/epiphany/default.nix
+++ b/pkgs/desktops/gnome-3/core/epiphany/default.nix
@@ -3,7 +3,7 @@
 , ninja
 , gettext
 , fetchurl
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , icu
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
     libxslt
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     buildPackages.glib
diff --git a/pkgs/desktops/gnome-3/core/evince/default.nix b/pkgs/desktops/gnome-3/core/evince/default.nix
index 998f4dfd9a2..77b8b8977d1 100644
--- a/pkgs/desktops/gnome-3/core/evince/default.nix
+++ b/pkgs/desktops/gnome-3/core/evince/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gettext
 , libxml2
 , appstream
@@ -67,7 +67,7 @@ stdenv.mkDerivation rec {
     itstool
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     yelp-tools
diff --git a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
index a48676cc983..def25f62f3c 100644
--- a/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
+++ b/pkgs/desktops/gnome-3/core/evolution-data-server/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, substituteAll, pkgconfig, gnome3, python3, gobject-introspection
+{ fetchurl, lib, stdenv, substituteAll, pkg-config, gnome3, python3, gobject-introspection
 , intltool, libsoup, libxml2, libsecret, icu, sqlite, tzdata, libcanberra-gtk3, gcr
 , p11-kit, db, nspr, nss, libical, gperf, wrapGAppsHook, glib-networking, pcre
 , vala, cmake, ninja, kerberos, openldap, webkitgtk, libaccounts-glib, json-glib
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   '';
 
   nativeBuildInputs = [
-    cmake ninja pkgconfig intltool python3 gperf wrapGAppsHook gobject-introspection vala
+    cmake ninja pkg-config intltool python3 gperf wrapGAppsHook gobject-introspection vala
   ];
   buildInputs = [
     glib libsoup libxml2 gtk3 gnome-online-accounts
diff --git a/pkgs/desktops/gnome-3/core/gnome-backgrounds/default.nix b/pkgs/desktops/gnome-3/core/gnome-backgrounds/default.nix
index 70c206bccf9..36bf7b3e92c 100644
--- a/pkgs/desktops/gnome-3/core/gnome-backgrounds/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-backgrounds/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, gnome3, gettext }:
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, gnome3, gettext }:
 
 stdenv.mkDerivation rec {
   pname = "gnome-backgrounds";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     updateScript = gnome3.updateScript { packageName = "gnome-backgrounds"; attrPath = "gnome3.gnome-backgrounds"; };
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext ];
 
   meta = with lib; {
     platforms = platforms.unix;
diff --git a/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix b/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
index 2bba316ee12..2397b9d7be9 100644
--- a/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-bluetooth/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, gnome3, meson, ninja, pkgconfig, gtk3, intltool, glib
+{ lib, stdenv, fetchurl, gnome3, meson, ninja, pkg-config, gtk3, intltool, glib
 , udev, itstool, libxml2, wrapGAppsHook, libnotify, libcanberra-gtk3, gobject-introspection
 , gtk-doc, docbook_xsl, docbook_xml_dtd_43, python3, gsettings-desktop-schemas }:
 
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja intltool itstool pkgconfig libxml2 wrapGAppsHook gobject-introspection
+    meson ninja intltool itstool pkg-config libxml2 wrapGAppsHook gobject-introspection
     gtk-doc docbook_xsl docbook_xml_dtd_43 python3
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix b/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
index dffeb8896f8..e033197b347 100644
--- a/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-calculator/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, meson, ninja, vala, gettext, itstool, fetchurl, pkgconfig, libxml2
+{ lib, stdenv, meson, ninja, vala, gettext, itstool, fetchurl, pkg-config, libxml2
 , gtk3, glib, gtksourceview4, wrapGAppsHook, gobject-introspection, python3
 , gnome3, mpfr, gmp, libsoup, libmpc, gsettings-desktop-schemas, libgee }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig vala gettext itstool wrapGAppsHook python3
+    meson ninja pkg-config vala gettext itstool wrapGAppsHook python3
     gobject-introspection # for finding vapi files
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-color-manager/default.nix b/pkgs/desktops/gnome-3/core/gnome-color-manager/default.nix
index 69d8af9a09b..73db99f3d37 100644
--- a/pkgs/desktops/gnome-3/core/gnome-color-manager/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-color-manager/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gettext
 , itstool
 , desktop-file-utils
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     desktop-file-utils
diff --git a/pkgs/desktops/gnome-3/core/gnome-contacts/default.nix b/pkgs/desktops/gnome-3/core/gnome-contacts/default.nix
index 9c1d4760456..3a7e21c65f5 100644
--- a/pkgs/desktops/gnome-3/core/gnome-contacts/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-contacts/default.nix
@@ -3,7 +3,7 @@
 , fetchurl
 , evolution-data-server
 , fetchpatch
-, pkgconfig
+, pkg-config
 , libxslt
 , docbook_xsl
 , docbook_xml_dtd_42
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     gettext
     libxslt
diff --git a/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix b/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
index e3628cbe2c4..5a78f412dc7 100644
--- a/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-control-center/default.nix
@@ -52,7 +52,7 @@
 , networkmanagerapplet
 , libnma
 , ninja
-, pkgconfig
+, pkg-config
 , polkit
 , python3
 , samba
@@ -87,7 +87,7 @@ stdenv.mkDerivation rec {
     libxslt
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     shared-mime-info
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix b/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
index 69287c9eae0..bfe0bfe9d61 100644
--- a/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-desktop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, substituteAll, pkgconfig, libxslt, ninja, gnome3, gtk3, glib
+{ lib, stdenv, fetchurl, substituteAll, pkg-config, libxslt, ninja, gnome3, gtk3, glib
 , gettext, libxml2, xkeyboard_config, isocodes, meson, wayland
 , libseccomp, systemd, bubblewrap, gobject-introspection, gtk-doc, docbook_xsl, gsettings-desktop-schemas }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig meson ninja gettext libxslt libxml2 gobject-introspection
+    pkg-config meson ninja gettext libxslt libxml2 gobject-introspection
     gtk-doc docbook_xsl glib
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix b/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
index 8615989b963..bb602c8b3fa 100644
--- a/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-dictionary/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, meson, ninja, pkgconfig, desktop-file-utils, appstream-glib, libxslt
+{ lib, stdenv, fetchurl, fetchpatch, meson, ninja, pkg-config, desktop-file-utils, appstream-glib, libxslt
 , libxml2, gettext, itstool, wrapGAppsHook, docbook_xsl, docbook_xml_dtd_43
 , gnome3, gtk3, glib, gsettings-desktop-schemas }:
 
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   nativeBuildInputs = [
-    meson ninja pkgconfig wrapGAppsHook libxml2 gettext itstool
+    meson ninja pkg-config wrapGAppsHook libxml2 gettext itstool
     desktop-file-utils appstream-glib libxslt docbook_xsl docbook_xml_dtd_43
   ];
   buildInputs = [ gtk3 glib gsettings-desktop-schemas gnome3.adwaita-icon-theme ];
diff --git a/pkgs/desktops/gnome-3/core/gnome-disk-utility/default.nix b/pkgs/desktops/gnome-3/core/gnome-disk-utility/default.nix
index 700489e4dd3..95dfd0ef282 100644
--- a/pkgs/desktops/gnome-3/core/gnome-disk-utility/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-disk-utility/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, gettext, fetchurl, pkgconfig, udisks2, libsecret, libdvdread
+{ lib, stdenv, gettext, fetchurl, pkg-config, udisks2, libsecret, libdvdread
 , meson, ninja, gtk3, glib, wrapGAppsHook, python3, libnotify
 , itstool, gnome3, libxml2, gsettings-desktop-schemas
 , libcanberra-gtk3, libxslt, docbook_xsl, libpwquality, systemd }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig gettext itstool libxslt docbook_xsl
+    meson ninja pkg-config gettext itstool libxslt docbook_xsl
     wrapGAppsHook python3 libxml2
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-font-viewer/default.nix b/pkgs/desktops/gnome-3/core/gnome-font-viewer/default.nix
index 092cdbbdce0..83563c7d212 100644
--- a/pkgs/desktops/gnome-3/core/gnome-font-viewer/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-font-viewer/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, meson, ninja, gettext, fetchurl
-, pkgconfig, gtk3, glib, libxml2, gnome-desktop, adwaita-icon-theme
+, pkg-config, gtk3, glib, libxml2, gnome-desktop, adwaita-icon-theme
 , wrapGAppsHook, gnome3, harfbuzz }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   doCheck = true;
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext wrapGAppsHook libxml2 ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext wrapGAppsHook libxml2 ];
   buildInputs = [ gtk3 glib gnome-desktop adwaita-icon-theme harfbuzz ];
 
   # Do not run meson-postinstall.sh
diff --git a/pkgs/desktops/gnome-3/core/gnome-initial-setup/default.nix b/pkgs/desktops/gnome-3/core/gnome-initial-setup/default.nix
index 98675f05bb5..002ae9197b7 100644
--- a/pkgs/desktops/gnome-3/core/gnome-initial-setup/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-initial-setup/default.nix
@@ -4,7 +4,7 @@
 , gettext
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , gnome3
 , accountsservice
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     systemd
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/core/gnome-keyring/default.nix b/pkgs/desktops/gnome-3/core/gnome-keyring/default.nix
index e3189c27f70..cea15820557 100644
--- a/pkgs/desktops/gnome-3/core/gnome-keyring/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-keyring/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, dbus, libgcrypt, pam, python2, glib, libxslt
+{ lib, stdenv, fetchurl, pkg-config, dbus, libgcrypt, pam, python2, glib, libxslt
 , gettext, gcr, libcap_ng, libselinux, p11-kit, openssh, wrapGAppsHook
 , docbook_xsl, docbook_xml_dtd_43, gnome3 }:
 
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig gettext libxslt docbook_xsl docbook_xml_dtd_43 wrapGAppsHook
+    pkg-config gettext libxslt docbook_xsl docbook_xml_dtd_43 wrapGAppsHook
   ];
 
   configureFlags = [
diff --git a/pkgs/desktops/gnome-3/core/gnome-remote-desktop/default.nix b/pkgs/desktops/gnome-3/core/gnome-remote-desktop/default.nix
index 5d9ff69a6fa..8411b2edecb 100644
--- a/pkgs/desktops/gnome-3/core/gnome-remote-desktop/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-remote-desktop/default.nix
@@ -3,7 +3,7 @@
 , cairo
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , wrapGAppsHook
 , glib
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/core/gnome-screenshot/default.nix b/pkgs/desktops/gnome-3/core/gnome-screenshot/default.nix
index 4988a2d447b..432f7d9e2ad 100644
--- a/pkgs/desktops/gnome-3/core/gnome-screenshot/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-screenshot/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, gettext, libxml2, libhandy, fetchurl, pkgconfig, libcanberra-gtk3
+{ lib, stdenv, gettext, libxml2, libhandy, fetchurl, pkg-config, libcanberra-gtk3
 , gtk3, glib, meson, ninja, python3, wrapGAppsHook, appstream-glib, desktop-file-utils
 , gnome3, gsettings-desktop-schemas }:
 
@@ -20,7 +20,7 @@ in stdenv.mkDerivation rec {
     patchShebangs build-aux/postinstall.py
   '';
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext appstream-glib libxml2 desktop-file-utils python3 wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext appstream-glib libxml2 desktop-file-utils python3 wrapGAppsHook ];
   buildInputs = [
     gtk3 glib libcanberra-gtk3 libhandy gnome3.adwaita-icon-theme
     gsettings-desktop-schemas
diff --git a/pkgs/desktops/gnome-3/core/gnome-session/default.nix b/pkgs/desktops/gnome-3/core/gnome-session/default.nix
index bb4a7fd68ef..d2dca54b5ca 100644
--- a/pkgs/desktops/gnome-3/core/gnome-session/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-session/default.nix
@@ -1,4 +1,4 @@
-{ fetchurl, lib, stdenv, substituteAll, meson, ninja, pkgconfig, gnome3, glib, gtk3, gsettings-desktop-schemas
+{ fetchurl, lib, stdenv, substituteAll, meson, ninja, pkg-config, gnome3, glib, gtk3, gsettings-desktop-schemas
 , gnome-desktop, dbus, json-glib, libICE, xmlto, docbook_xsl, docbook_xml_dtd_412, python3
 , libxslt, gettext, makeWrapper, systemd, xorg, epoxy, gnugrep, bash, gnome-session-ctl }:
 
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
   mesonFlags = [ "-Dsystemd=true" "-Dsystemd_session=default" ];
 
   nativeBuildInputs = [
-    meson ninja pkgconfig gettext makeWrapper
+    meson ninja pkg-config gettext makeWrapper
     xmlto libxslt docbook_xsl docbook_xml_dtd_412 python3
     dbus # for DTD
   ];
diff --git a/pkgs/desktops/gnome-3/core/gnome-settings-daemon/default.nix b/pkgs/desktops/gnome-3/core/gnome-settings-daemon/default.nix
index 9955eee2b3e..e5923e6b56a 100644
--- a/pkgs/desktops/gnome-3/core/gnome-settings-daemon/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-settings-daemon/default.nix
@@ -4,7 +4,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , perl
 , gettext
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     perl
     gettext
     libxml2
diff --git a/pkgs/desktops/gnome-3/core/gnome-shell-extensions/default.nix b/pkgs/desktops/gnome-3/core/gnome-shell-extensions/default.nix
index 3f3b619cfe6..8b882df3b00 100644
--- a/pkgs/desktops/gnome-3/core/gnome-shell-extensions/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-shell-extensions/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, gettext, pkgconfig, spidermonkey_68, glib
+{ lib, stdenv, fetchurl, meson, ninja, gettext, pkg-config, spidermonkey_68, glib
 , gnome3, gnome-menus, substituteAll }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
   # https://gitlab.gnome.org/GNOME/gnome-shell-extensions/blob/3.34.0/meson.build#L23
   checkInputs = [ spidermonkey_68 ];
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext glib ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext glib ];
 
   mesonFlags = [ "-Dextension_set=all" ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-software/default.nix b/pkgs/desktops/gnome-3/core/gnome-software/default.nix
index c0cf9bceb67..215e95d9ad2 100644
--- a/pkgs/desktops/gnome-3/core/gnome-software/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-software/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, substituteAll, pkgconfig, meson, ninja, gettext, gnome3, wrapGAppsHook, packagekit, ostree
+{ lib, stdenv, fetchurl, substituteAll, pkg-config, meson, ninja, gettext, gnome3, wrapGAppsHook, packagekit, ostree
 , glib, appstream-glib, libsoup, polkit, isocodes, gspell, libxslt, gobject-introspection, flatpak, fwupd
 , gtk3, gsettings-desktop-schemas, gnome-desktop, libxmlb, gnome-online-accounts
 , json-glib, libsecret, valgrind-light, docbook_xsl, docbook_xml_dtd_42, docbook_xml_dtd_43, gtk-doc, desktop-file-utils
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    meson ninja pkgconfig gettext wrapGAppsHook libxslt docbook_xml_dtd_42 docbook_xml_dtd_43
+    meson ninja pkg-config gettext wrapGAppsHook libxslt docbook_xml_dtd_42 docbook_xml_dtd_43
     valgrind-light docbook_xsl gtk-doc desktop-file-utils gobject-introspection
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-system-monitor/default.nix b/pkgs/desktops/gnome-3/core/gnome-system-monitor/default.nix
index 963dbad6290..db978f953b7 100644
--- a/pkgs/desktops/gnome-3/core/gnome-system-monitor/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-system-monitor/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, gettext, fetchurl, pkgconfig, gtkmm3, libxml2
+{ lib, stdenv, gettext, fetchurl, pkg-config, gtkmm3, libxml2
 , bash, gtk3, glib, wrapGAppsHook, meson, ninja, python3
 , gsettings-desktop-schemas, itstool, gnome3, librsvg, gdk-pixbuf, libgtop, systemd }:
 
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   doCheck = true;
 
   nativeBuildInputs = [
-    pkgconfig gettext itstool wrapGAppsHook meson ninja python3
+    pkg-config gettext itstool wrapGAppsHook meson ninja python3
   ];
   buildInputs = [
     bash gtk3 glib libxml2 gtkmm3 libgtop gdk-pixbuf gnome3.adwaita-icon-theme librsvg
diff --git a/pkgs/desktops/gnome-3/core/gnome-terminal/default.nix b/pkgs/desktops/gnome-3/core/gnome-terminal/default.nix
index 54e2bd698d1..b4e8db77510 100644
--- a/pkgs/desktops/gnome-3/core/gnome-terminal/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-terminal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libxml2, gnome3, dconf, nautilus
+{ lib, stdenv, fetchurl, pkg-config, libxml2, gnome3, dconf, nautilus
 , gtk3, gsettings-desktop-schemas, vte, gettext, which, libuuid, vala
 , desktop-file-utils, itstool, wrapGAppsHook, glib, pcre2
 , libxslt, docbook-xsl-nons }:
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig gettext itstool which libxml2 libxslt docbook-xsl-nons
+    pkg-config gettext itstool which libxml2 libxslt docbook-xsl-nons
     vala desktop-file-utils wrapGAppsHook pcre2
   ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix b/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
index 4c9ed85fe48..7b42d724593 100644
--- a/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-themes-extra/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, intltool, gtk3, gnome3, librsvg, pkgconfig, pango, atk, gtk2
+{ lib, stdenv, fetchurl, intltool, gtk3, gnome3, librsvg, pkg-config, pango, atk, gtk2
 , gdk-pixbuf, hicolor-icon-theme }:
 
 let
@@ -18,7 +18,7 @@ in stdenv.mkDerivation rec {
     };
   };
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   buildInputs = [ gtk3 librsvg pango atk gtk2 gdk-pixbuf ];
   propagatedBuildInputs = [ gnome3.adwaita-icon-theme hicolor-icon-theme ];
 
diff --git a/pkgs/desktops/gnome-3/core/gnome-user-share/default.nix b/pkgs/desktops/gnome-3/core/gnome-user-share/default.nix
index 6496df08945..54fcf531c65 100644
--- a/pkgs/desktops/gnome-3/core/gnome-user-share/default.nix
+++ b/pkgs/desktops/gnome-3/core/gnome-user-share/default.nix
@@ -6,7 +6,7 @@
 , fetchpatch
 , apacheHttpd
 , nautilus
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , libxml2
@@ -58,7 +58,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     meson
     ninja
     gettext
diff --git a/pkgs/desktops/gnome-3/core/gucharmap/default.nix b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
index bbb271004ac..aac5a43e433 100644
--- a/pkgs/desktops/gnome-3/core/gucharmap/default.nix
+++ b/pkgs/desktops/gnome-3/core/gucharmap/default.nix
@@ -3,7 +3,7 @@
 , fetchFromGitLab
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , python3
 , gtk3
 , adwaita-icon-theme
@@ -59,7 +59,7 @@ in stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     unzip
diff --git a/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix b/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
index d4baaef819f..65d2bbc2157 100644
--- a/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
+++ b/pkgs/desktops/gnome-3/core/libgnome-keyring/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, dbus, libgcrypt, pkgconfig, intltool, gobject-introspection, gnome3 }:
+{ lib, stdenv, fetchurl, glib, dbus, libgcrypt, pkg-config, intltool, gobject-introspection, gnome3 }:
 
 let
   pname = "libgnome-keyring";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   outputs = [ "out" "dev" ];
 
   propagatedBuildInputs = [ glib gobject-introspection dbus libgcrypt ];
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
 
   passthru = {
     updateScript = gnome3.updateScript {
diff --git a/pkgs/desktops/gnome-3/core/mutter/3.34/default.nix b/pkgs/desktops/gnome-3/core/mutter/3.34/default.nix
index 427893d2aab..1f4ca5d3213 100644
--- a/pkgs/desktops/gnome-3/core/mutter/3.34/default.nix
+++ b/pkgs/desktops/gnome-3/core/mutter/3.34/default.nix
@@ -2,7 +2,7 @@
 , fetchpatch
 , substituteAll
 , lib, stdenv
-, pkgconfig
+, pkg-config
 , gnome3
 , pantheon
 , gettext
@@ -59,7 +59,7 @@ stdenv.mkDerivation rec {
   ];
 
   propagatedBuildInputs = [
-    # required for pkgconfig to detect mutter-clutter
+    # required for pkg-config to detect mutter-clutter
     json-glib
     libXtst
     libcap_ng
@@ -70,7 +70,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     xorgserver # for cvt command
diff --git a/pkgs/desktops/gnome-3/core/mutter/default.nix b/pkgs/desktops/gnome-3/core/mutter/default.nix
index bc86e965547..1ac0be1b194 100644
--- a/pkgs/desktops/gnome-3/core/mutter/default.nix
+++ b/pkgs/desktops/gnome-3/core/mutter/default.nix
@@ -3,7 +3,7 @@
 , substituteAll
 , runCommand
 , lib, stdenv
-, pkgconfig
+, pkg-config
 , gnome3
 , gettext
 , gobject-introspection
@@ -74,7 +74,7 @@ let self = stdenv.mkDerivation rec {
   ];
 
   propagatedBuildInputs = [
-    # required for pkgconfig to detect mutter-clutter
+    # required for pkg-config to detect mutter-clutter
     json-glib
     libXtst
     libcap_ng
@@ -86,7 +86,7 @@ let self = stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     xorgserver # for cvt command
diff --git a/pkgs/desktops/gnome-3/core/nautilus/default.nix b/pkgs/desktops/gnome-3/core/nautilus/default.nix
index 25b38a5df9f..5ca1efe1ca3 100644
--- a/pkgs/desktops/gnome-3/core/nautilus/default.nix
+++ b/pkgs/desktops/gnome-3/core/nautilus/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gettext
 , libxml2
 , desktop-file-utils
@@ -57,7 +57,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/core/rygel/default.nix b/pkgs/desktops/gnome-3/core/rygel/default.nix
index 234d45f877a..65096c359d7 100644
--- a/pkgs/desktops/gnome-3/core/rygel/default.nix
+++ b/pkgs/desktops/gnome-3/core/rygel/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , gettext
 , libxml2
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     gettext
     libxml2
diff --git a/pkgs/desktops/gnome-3/core/simple-scan/default.nix b/pkgs/desktops/gnome-3/core/simple-scan/default.nix
index 96a8145ae7f..6d282283925 100644
--- a/pkgs/desktops/gnome-3/core/simple-scan/default.nix
+++ b/pkgs/desktops/gnome-3/core/simple-scan/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gettext
 , itstool
 , python3
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     ninja
     gettext
     itstool
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
     libxml2
diff --git a/pkgs/desktops/gnome-3/core/sushi/default.nix b/pkgs/desktops/gnome-3/core/sushi/default.nix
index 70cb81a165b..f5e85a1f16c 100644
--- a/pkgs/desktops/gnome-3/core/sushi/default.nix
+++ b/pkgs/desktops/gnome-3/core/sushi/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , meson
 , gettext
 , gobject-introspection
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     meson
     ninja
     gettext
diff --git a/pkgs/desktops/gnome-3/core/totem/default.nix b/pkgs/desktops/gnome-3/core/totem/default.nix
index 082732eace6..a98265ff508 100644
--- a/pkgs/desktops/gnome-3/core/totem/default.nix
+++ b/pkgs/desktops/gnome-3/core/totem/default.nix
@@ -8,7 +8,7 @@
 , clutter-gst
 , python3Packages
 , shared-mime-info
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , gobject-introspection
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     gettext
     python3Packages.python
     itstool
diff --git a/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix b/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
index 7aa64d0357a..b02c7039e51 100644
--- a/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
+++ b/pkgs/desktops/gnome-3/core/yelp-xsl/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , gettext
 , fetchurl
-, pkgconfig
+, pkg-config
 , itstool
 , libxml2
 , libxslt
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     libxml2
diff --git a/pkgs/desktops/gnome-3/core/yelp/default.nix b/pkgs/desktops/gnome-3/core/yelp/default.nix
index 8b27f637280..62c5994fd41 100644
--- a/pkgs/desktops/gnome-3/core/yelp/default.nix
+++ b/pkgs/desktops/gnome-3/core/yelp/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, gettext, fetchurl, webkitgtk, pkgconfig, gtk3, glib
+{ lib, stdenv, gettext, fetchurl, webkitgtk, pkg-config, gtk3, glib
 , gnome3, sqlite
 , itstool, libxml2, libxslt, gst_all_1
 , wrapGAppsHook }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "102z8khj82vdp12c3y86hhxwm1x89xpkpc5zs63c7gg21cbrwdbl";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext itstool wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config gettext itstool wrapGAppsHook ];
   buildInputs = [
     gtk3 glib webkitgtk sqlite
     libxml2 libxslt gnome3.yelp-xsl
diff --git a/pkgs/desktops/gnome-3/core/zenity/default.nix b/pkgs/desktops/gnome-3/core/zenity/default.nix
index b27c10447f4..d02cb581cb8 100644
--- a/pkgs/desktops/gnome-3/core/zenity/default.nix
+++ b/pkgs/desktops/gnome-3/core/zenity/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , libxml2
 , gnome3
 , gtk3
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     yelp-tools
     itstool
diff --git a/pkgs/desktops/gnome-3/devtools/anjuta/default.nix b/pkgs/desktops/gnome-3/devtools/anjuta/default.nix
index d6109651ce9..4802287cb12 100644
--- a/pkgs/desktops/gnome-3/devtools/anjuta/default.nix
+++ b/pkgs/desktops/gnome-3/devtools/anjuta/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, gjs, flex, bison, libxml2, intltool,
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, gjs, flex, bison, libxml2, intltool,
   gdl, libgda, gtksourceview, gsettings-desktop-schemas,
   itstool, python3, ncurses, makeWrapper }:
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   nativeBuildInputs = [
-    pkgconfig intltool itstool python3 makeWrapper
+    pkg-config intltool itstool python3 makeWrapper
     # Required by python3
     ncurses
   ];
diff --git a/pkgs/desktops/gnome-3/devtools/devhelp/default.nix b/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
index 68d7d9adfd5..173e4a9e5b8 100644
--- a/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
+++ b/pkgs/desktops/gnome-3/devtools/devhelp/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , gtk3
 , wrapGAppsHook
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/games/atomix/default.nix b/pkgs/desktops/gnome-3/games/atomix/default.nix
index 32bdbf7cb48..802d92bf19a 100644
--- a/pkgs/desktops/gnome-3/games/atomix/default.nix
+++ b/pkgs/desktops/gnome-3/games/atomix/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, wrapGAppsHook, python3
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, wrapGAppsHook, python3
 , gettext, gnome3, glib, gtk3, libgnome-games-support, gdk-pixbuf }:
 
 let
@@ -12,7 +12,7 @@ in stdenv.mkDerivation rec {
     sha256 = "0h909a4mccf160hi0aimyicqhq2b0gk1dmqp7qwf87qghfrw6m00";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig gettext wrapGAppsHook python3 ];
+  nativeBuildInputs = [ meson ninja pkg-config gettext wrapGAppsHook python3 ];
   buildInputs = [ glib gtk3 gdk-pixbuf libgnome-games-support gnome3.adwaita-icon-theme ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/five-or-more/default.nix b/pkgs/desktops/gnome-3/games/five-or-more/default.nix
index 5c81524f973..9f6ea6aac04 100644
--- a/pkgs/desktops/gnome-3/games/five-or-more/default.nix
+++ b/pkgs/desktops/gnome-3/games/five-or-more/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, libgnome-games-support, gettext, itstool, libxml2, python3, vala }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig gettext itstool libxml2 python3 wrapGAppsHook
+    meson ninja pkg-config gettext itstool libxml2 python3 wrapGAppsHook
     vala
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/games/four-in-a-row/default.nix b/pkgs/desktops/gnome-3/games/four-in-a-row/default.nix
index a324bb9cd46..17dc8fe7c2c 100644
--- a/pkgs/desktops/gnome-3/games/four-in-a-row/default.nix
+++ b/pkgs/desktops/gnome-3/games/four-in-a-row/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , gettext, meson, gsound, librsvg, itstool, vala
 , python3, ninja, desktop-file-utils }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig wrapGAppsHook gettext meson itstool vala
+    pkg-config wrapGAppsHook gettext meson itstool vala
     ninja python3 desktop-file-utils
   ];
   buildInputs = [ gtk3 gsound librsvg gnome3.adwaita-icon-theme ];
diff --git a/pkgs/desktops/gnome-3/games/gnome-chess/default.nix b/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
index db15ce18be8..918adc0eccf 100644
--- a/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-chess/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, vala, pkgconfig, wrapGAppsHook, gobject-introspection
+{ lib, stdenv, fetchurl, meson, ninja, vala, pkg-config, wrapGAppsHook, gobject-introspection
 , gettext, itstool, libxml2, python3, gnome3, glib, gtk3, librsvg }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "1bpmi5p5vvjdq2rlm5x9k4gpci8jbrjvdxr1q62h5znzq0vz0w0l";
   };
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig gettext itstool libxml2 python3 wrapGAppsHook gobject-introspection ];
+  nativeBuildInputs = [ meson ninja vala pkg-config gettext itstool libxml2 python3 wrapGAppsHook gobject-introspection ];
   buildInputs = [ glib gtk3 librsvg gnome3.adwaita-icon-theme ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/gnome-klotski/default.nix b/pkgs/desktops/gnome-3/games/gnome-klotski/default.nix
index e0ed167750d..fe1f092fbf0 100644
--- a/pkgs/desktops/gnome-3/games/gnome-klotski/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-klotski/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, vala, gnome3, gtk3, wrapGAppsHook, appstream-glib, desktop-file-utils
+{ lib, stdenv, fetchurl, pkg-config, vala, gnome3, gtk3, wrapGAppsHook, appstream-glib, desktop-file-utils
 , glib, librsvg, libxml2, gettext, itstool, libgee, libgnome-games-support
 , meson, ninja, python3
 }:
@@ -15,7 +15,7 @@ in stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig vala meson ninja python3 wrapGAppsHook
+    pkg-config vala meson ninja python3 wrapGAppsHook
     gettext itstool libxml2 appstream-glib desktop-file-utils
     gnome3.adwaita-icon-theme
   ];
diff --git a/pkgs/desktops/gnome-3/games/gnome-mahjongg/default.nix b/pkgs/desktops/gnome-3/games/gnome-mahjongg/default.nix
index e5d34668b44..d5d2de53e47 100644
--- a/pkgs/desktops/gnome-3/games/gnome-mahjongg/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-mahjongg/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, gettext, itstool, libxml2
 , meson, ninja, glib, vala, desktop-file-utils
 }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja vala desktop-file-utils
-    pkgconfig gnome3.adwaita-icon-theme
+    pkg-config gnome3.adwaita-icon-theme
     libxml2 itstool gettext wrapGAppsHook
     glib # for glib-compile-schemas
   ];
diff --git a/pkgs/desktops/gnome-3/games/gnome-mines/default.nix b/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
index b78c9924d63..600b0d98468 100644
--- a/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-mines/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, vala, gobject-introspection, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, meson, ninja, vala, gobject-introspection, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, gettext, itstool, python3, libxml2, libgnome-games-support, libgee, desktop-file-utils }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
 
   # gobject-introspection for finding vapi files
   nativeBuildInputs = [
-    meson ninja vala gobject-introspection pkgconfig gettext itstool python3
+    meson ninja vala gobject-introspection pkg-config gettext itstool python3
     libxml2 wrapGAppsHook desktop-file-utils
   ];
   buildInputs = [ gtk3 librsvg gnome3.adwaita-icon-theme libgnome-games-support libgee ];
diff --git a/pkgs/desktops/gnome-3/games/gnome-nibbles/default.nix b/pkgs/desktops/gnome-3/games/gnome-nibbles/default.nix
index f35ac14891f..501b894a1df 100644
--- a/pkgs/desktops/gnome-3/games/gnome-nibbles/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-nibbles/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, gsound, clutter-gtk, gettext, itstool, vala, python3
 , libxml2, libgee, libgnome-games-support, meson, ninja
 , desktop-file-utils, hicolor-icon-theme}:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja vala python3
-    pkgconfig wrapGAppsHook gettext itstool libxml2
+    pkg-config wrapGAppsHook gettext itstool libxml2
     desktop-file-utils hicolor-icon-theme
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/games/gnome-robots/default.nix b/pkgs/desktops/gnome-3/games/gnome-robots/default.nix
index 80a3eceb4f6..e9a079216b7 100644
--- a/pkgs/desktops/gnome-3/games/gnome-robots/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-robots/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, gsound, gettext, itstool, libxml2, libgnome-games-support
 , libgee, meson, ninja, python3, desktop-file-utils, adwaita-icon-theme }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig meson ninja python3
+    pkg-config meson ninja python3
     libxml2 wrapGAppsHook gettext itstool desktop-file-utils
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix b/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
index 4e73882bcdf..7c5fd8f1ac9 100644
--- a/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-sudoku/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, vala, pkgconfig, gobject-introspection, gettext, gtk3, gnome3, wrapGAppsHook
+{ lib, stdenv, fetchurl, meson, ninja, vala, pkg-config, gobject-introspection, gettext, gtk3, gnome3, wrapGAppsHook
 , libgee, json-glib, qqwing, itstool, libxml2, python3, desktop-file-utils }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "0cpxx63liczmax6ry06r5k0f221xpg2rqh49vkdj2snmqq61swrq";
   };
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig gobject-introspection gettext itstool libxml2 python3 desktop-file-utils wrapGAppsHook ];
+  nativeBuildInputs = [ meson ninja vala pkg-config gobject-introspection gettext itstool libxml2 python3 desktop-file-utils wrapGAppsHook ];
   buildInputs = [ gtk3 libgee json-glib qqwing ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/gnome-taquin/default.nix b/pkgs/desktops/gnome-3/games/gnome-taquin/default.nix
index d25dc4fc1b6..9b8c78d6e4a 100644
--- a/pkgs/desktops/gnome-3/games/gnome-taquin/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-taquin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , librsvg, gsound, gettext, itstool, libxml2
 , meson, ninja, vala, python3, desktop-file-utils
 }:
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig wrapGAppsHook meson ninja python3
+    pkg-config wrapGAppsHook meson ninja python3
     gettext itstool libxml2 vala desktop-file-utils
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/games/gnome-tetravex/default.nix b/pkgs/desktops/gnome-3/games/gnome-tetravex/default.nix
index 3a3dca27d76..9ae73773799 100644
--- a/pkgs/desktops/gnome-3/games/gnome-tetravex/default.nix
+++ b/pkgs/desktops/gnome-3/games/gnome-tetravex/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gnome3, gtk3, wrapGAppsHook
+{ lib, stdenv, fetchurl, pkg-config, gnome3, gtk3, wrapGAppsHook
 , libxml2, gettext, itstool, meson, ninja, python3
 , vala, desktop-file-utils
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     wrapGAppsHook itstool libxml2 gnome3.adwaita-icon-theme
-    pkgconfig gettext meson ninja python3 vala desktop-file-utils
+    pkg-config gettext meson ninja python3 vala desktop-file-utils
   ];
   buildInputs = [
     gtk3
diff --git a/pkgs/desktops/gnome-3/games/hitori/default.nix b/pkgs/desktops/gnome-3/games/hitori/default.nix
index 480fb2b1373..bb0bd257260 100644
--- a/pkgs/desktops/gnome-3/games/hitori/default.nix
+++ b/pkgs/desktops/gnome-3/games/hitori/default.nix
@@ -2,7 +2,7 @@
 , fetchurl
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , glib
 , gtk3
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     gettext
     itstool
     desktop-file-utils
diff --git a/pkgs/desktops/gnome-3/games/lightsoff/default.nix b/pkgs/desktops/gnome-3/games/lightsoff/default.nix
index 874e9558bcf..6783147840c 100644
--- a/pkgs/desktops/gnome-3/games/lightsoff/default.nix
+++ b/pkgs/desktops/gnome-3/games/lightsoff/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, vala, pkgconfig, gtk3, gnome3, gdk-pixbuf, librsvg, wrapGAppsHook
+{ lib, stdenv, fetchurl, vala, pkg-config, gtk3, gnome3, gdk-pixbuf, librsvg, wrapGAppsHook
 , gettext, itstool, clutter, clutter-gtk, libxml2, appstream-glib
 , meson, ninja, python3 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    vala pkgconfig wrapGAppsHook itstool gettext appstream-glib libxml2
+    vala pkg-config wrapGAppsHook itstool gettext appstream-glib libxml2
     meson ninja python3
   ];
   buildInputs = [ gtk3 gnome3.adwaita-icon-theme gdk-pixbuf librsvg clutter clutter-gtk ];
diff --git a/pkgs/desktops/gnome-3/games/quadrapassel/default.nix b/pkgs/desktops/gnome-3/games/quadrapassel/default.nix
index 7a57dc19cc5..de3d67b58bf 100644
--- a/pkgs/desktops/gnome-3/games/quadrapassel/default.nix
+++ b/pkgs/desktops/gnome-3/games/quadrapassel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk3, gnome3, gdk-pixbuf
+{ lib, stdenv, fetchurl, pkg-config, gtk3, gnome3, gdk-pixbuf
 , librsvg, gsound, libmanette
 , gettext, itstool, libxml2, clutter, clutter-gtk, wrapGAppsHook
 , meson, ninja, python3, vala, desktop-file-utils
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja python3 vala desktop-file-utils
-    pkgconfig gnome3.adwaita-icon-theme
+    pkg-config gnome3.adwaita-icon-theme
     libxml2 itstool gettext wrapGAppsHook
   ];
   buildInputs = [
diff --git a/pkgs/desktops/gnome-3/games/swell-foop/default.nix b/pkgs/desktops/gnome-3/games/swell-foop/default.nix
index db9dfd2dc93..33dd9de1b42 100644
--- a/pkgs/desktops/gnome-3/games/swell-foop/default.nix
+++ b/pkgs/desktops/gnome-3/games/swell-foop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, meson, ninja, pkgconfig, vala, glib, gtk3, gnome3, desktop-file-utils
+{ lib, stdenv, fetchurl, meson, ninja, pkg-config, vala, glib, gtk3, gnome3, desktop-file-utils
 , clutter, clutter-gtk, gettext, itstool, libxml2, wrapGAppsHook, python3 }:
 
 let
@@ -19,7 +19,7 @@ in stdenv.mkDerivation rec {
     };
   };
 
-  nativeBuildInputs = [ meson ninja vala pkgconfig wrapGAppsHook python3 itstool gettext libxml2 desktop-file-utils ];
+  nativeBuildInputs = [ meson ninja vala pkg-config wrapGAppsHook python3 itstool gettext libxml2 desktop-file-utils ];
   buildInputs = [ glib gtk3 gnome3.adwaita-icon-theme clutter clutter-gtk ];
 
   postPatch = ''
diff --git a/pkgs/desktops/gnome-3/games/tali/default.nix b/pkgs/desktops/gnome-3/games/tali/default.nix
index a31191dfa2d..36c76c358e9 100644
--- a/pkgs/desktops/gnome-3/games/tali/default.nix
+++ b/pkgs/desktops/gnome-3/games/tali/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk3, gnome3, gdk-pixbuf
+{ lib, stdenv, fetchurl, pkg-config, gtk3, gnome3, gdk-pixbuf
 , librsvg, libgnome-games-support, gettext, itstool, libxml2, wrapGAppsHook
 , meson, ninja, python3, desktop-file-utils
 }:
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     meson ninja python3 desktop-file-utils
-    pkgconfig gnome3.adwaita-icon-theme
+    pkg-config gnome3.adwaita-icon-theme
     libxml2 itstool gettext wrapGAppsHook
   ];
   buildInputs = [ gtk3 gdk-pixbuf librsvg libgnome-games-support ];
diff --git a/pkgs/desktops/gnome-3/misc/geary/default.nix b/pkgs/desktops/gnome-3/misc/geary/default.nix
index bbc2db93e51..3ca257db49b 100644
--- a/pkgs/desktops/gnome-3/misc/geary/default.nix
+++ b/pkgs/desktops/gnome-3/misc/geary/default.nix
@@ -1,7 +1,7 @@
 { lib, stdenv
 , fetchurl
 , fetchpatch
-, pkgconfig
+, pkg-config
 , gtk3
 , vala
 , enchant2
@@ -66,7 +66,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/misc/gitg/default.nix b/pkgs/desktops/gnome-3/misc/gitg/default.nix
index 4809e30deb3..0f4f8e67737 100644
--- a/pkgs/desktops/gnome-3/misc/gitg/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gitg/default.nix
@@ -3,7 +3,7 @@
 , fetchpatch
 , vala
 , gettext
-, pkgconfig
+, pkg-config
 , gtk3
 , glib
 , json-glib
@@ -68,7 +68,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix b/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
index 2887b86c80a..db7a6ba0920 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-autoar/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , gnome3
 , gtk3
 , glib
@@ -26,7 +26,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     gobject-introspection
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/gnome-3/misc/gnome-flashback/default.nix b/pkgs/desktops/gnome-3/misc/gnome-flashback/default.nix
index ba25dcfed4c..b65d27bb757 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-flashback/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-flashback/default.nix
@@ -15,7 +15,7 @@
 , libpulseaudio
 , libxkbfile
 , libxml2
-, pkgconfig
+, pkg-config
 , polkit
 , gdm
 , systemd
@@ -87,7 +87,7 @@ let
       autoreconfHook
       gettext
       libxml2
-      pkgconfig
+      pkg-config
       wrapGAppsHook
     ];
 
diff --git a/pkgs/desktops/gnome-3/misc/gnome-packagekit/default.nix b/pkgs/desktops/gnome-3/misc/gnome-packagekit/default.nix
index c2904a777f2..53be2df471b 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-packagekit/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-packagekit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, meson, ninja, gettext, gnome3, packagekit, polkit
+{ lib, stdenv, fetchurl, pkg-config, meson, ninja, gettext, gnome3, packagekit, polkit
 , gtk3, systemd, wrapGAppsHook, desktop-file-utils }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig meson ninja gettext wrapGAppsHook desktop-file-utils
+    pkg-config meson ninja gettext wrapGAppsHook desktop-file-utils
   ];
 
   buildInputs = [ gtk3 packagekit systemd polkit ];
diff --git a/pkgs/desktops/gnome-3/misc/gnome-panel/default.nix b/pkgs/desktops/gnome-3/misc/gnome-panel/default.nix
index 7e34040bb72..b820f7750dc 100644
--- a/pkgs/desktops/gnome-3/misc/gnome-panel/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gnome-panel/default.nix
@@ -15,7 +15,7 @@
 , libsoup
 , libwnck3
 , libxml2
-, pkgconfig
+, pkg-config
 , polkit
 , systemd
 , wrapGAppsHook
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
     gettext
     itstool
     libxml2
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/desktops/gnome-3/misc/gpaste/default.nix b/pkgs/desktops/gnome-3/misc/gpaste/default.nix
index 504846e8d4b..440c70c861f 100644
--- a/pkgs/desktops/gnome-3/misc/gpaste/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gpaste/default.nix
@@ -11,7 +11,7 @@
 , mutter
 , ninja
 , pango
-, pkgconfig
+, pkg-config
 , vala
 , wrapGAppsHook
 }:
@@ -47,7 +47,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnome-3/misc/gtkhtml/default.nix b/pkgs/desktops/gnome-3/misc/gtkhtml/default.nix
index a7cb34896d2..cc054a983c6 100644
--- a/pkgs/desktops/gnome-3/misc/gtkhtml/default.nix
+++ b/pkgs/desktops/gnome-3/misc/gtkhtml/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk3, intltool
+{ lib, stdenv, fetchurl, pkg-config, gtk3, intltool
 , gnome3, enchant, isocodes, gsettings-desktop-schemas }:
 
 stdenv.mkDerivation rec {
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     updateScript = gnome3.updateScript { packageName = "gtkhtml"; attrPath = "gnome3.gtkhtml"; };
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gtk3 intltool gnome3.adwaita-icon-theme
                   gsettings-desktop-schemas ];
 
diff --git a/pkgs/desktops/gnome-3/misc/libgnome-games-support/default.nix b/pkgs/desktops/gnome-3/misc/libgnome-games-support/default.nix
index 29b88e4863a..01899d20b57 100644
--- a/pkgs/desktops/gnome-3/misc/libgnome-games-support/default.nix
+++ b/pkgs/desktops/gnome-3/misc/libgnome-games-support/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , glib
 , gtk3
 , libgee
@@ -25,7 +25,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/gnome-3/misc/metacity/default.nix b/pkgs/desktops/gnome-3/misc/metacity/default.nix
index 05a05a017cf..d1b1aeec4c4 100644
--- a/pkgs/desktops/gnome-3/misc/metacity/default.nix
+++ b/pkgs/desktops/gnome-3/misc/metacity/default.nix
@@ -10,7 +10,7 @@
 , libgtop
 , libstartup_notification
 , libxml2
-, pkgconfig
+, pkg-config
 , substituteAll
 , wrapGAppsHook
 , zenity
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     gettext
     libxml2
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/desktops/gnome-3/misc/nautilus-python/default.nix b/pkgs/desktops/gnome-3/misc/nautilus-python/default.nix
index c7aaddf203a..4db81228a07 100644
--- a/pkgs/desktops/gnome-3/misc/nautilus-python/default.nix
+++ b/pkgs/desktops/gnome-3/misc/nautilus-python/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , which
 , gtk-doc
 , docbook_xsl
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     which
     gtk-doc
     docbook_xsl
diff --git a/pkgs/desktops/gnome-3/misc/pomodoro/default.nix b/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
index dfaa7f844aa..ae52c41787b 100644
--- a/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
+++ b/pkgs/desktops/gnome-3/misc/pomodoro/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , autoconf-archive
 , appstream-glib
-, pkgconfig
+, pkg-config
 , wrapGAppsHook
 , libcanberra
 , gst_all_1
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     gettext
     gobject-introspection
     libxml2
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/gnustep/back/default.nix b/pkgs/desktops/gnustep/back/default.nix
index bf6441f6820..18986400c00 100644
--- a/pkgs/desktops/gnustep/back/default.nix
+++ b/pkgs/desktops/gnustep/back/default.nix
@@ -4,7 +4,7 @@
 , base, gui
 , xlibsWrapper
 , freetype
-, pkgconfig
+, pkg-config
 , libXmu
 }:
 let
@@ -16,7 +16,7 @@ gsmakeDerivation {
     url = "ftp://ftp.gnustep.org/pub/gnustep/core/gnustep-back-${version}.tar.gz";
     sha256 = "1ynd27zwga17mp2qlym90k2xsypdvz24w6gyy2rfvmv0gkvlgrjr";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ cairo base gui freetype xlibsWrapper libXmu ];
   meta = {
     description = "A generic backend for GNUstep";
diff --git a/pkgs/desktops/gnustep/base/default.nix b/pkgs/desktops/gnustep/base/default.nix
index deeca1d600f..8cc68b75569 100644
--- a/pkgs/desktops/gnustep/base/default.nix
+++ b/pkgs/desktops/gnustep/base/default.nix
@@ -8,7 +8,7 @@
 , libxml2, libxslt, libiconv
 , libobjc, libgcrypt
 , icu
-, pkgconfig, portaudio
+, pkg-config, portaudio
 , libiberty
 }:
 let
@@ -20,7 +20,7 @@ gsmakeDerivation {
     url = "ftp://ftp.gnustep.org/pub/gnustep/core/gnustep-base-${version}.tar.gz";
     sha256 = "10xjrv5d443wzll6lf9y65p6v9kvx7xxklhsm1j05y93vwgzl0w8";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   propagatedBuildInputs = [
     aspell audiofile
     cups
diff --git a/pkgs/desktops/lxde/core/lxpanel/default.nix b/pkgs/desktops/lxde/core/lxpanel/default.nix
index a7306f3d2a7..8cb8d2f580c 100644
--- a/pkgs/desktops/lxde/core/lxpanel/default.nix
+++ b/pkgs/desktops/lxde/core/lxpanel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, m4, intltool, libxmlxx, keybinder
+{ lib, stdenv, fetchurl, pkg-config, gettext, m4, intltool, libxmlxx, keybinder
 , gtk2, libX11, libfm, libwnck, libXmu, libXpm, cairo, gdk-pixbuf, gdk-pixbuf-xlib
 , menu-cache, lxmenu-data, wirelesstools, curl
 , supportAlsa ? false, alsaLib
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0zis3b815p375s6mymhf5sn1a0c1xv0ixxzb0mh3fqhrby6cqy26";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext m4 intltool libxmlxx ];
+  nativeBuildInputs = [ pkg-config gettext m4 intltool libxmlxx ];
   buildInputs = [
     keybinder gtk2 libX11 libfm libwnck libXmu libXpm cairo gdk-pixbuf gdk-pixbuf-xlib.dev
     menu-cache lxmenu-data m4 wirelesstools curl
diff --git a/pkgs/desktops/lxde/core/lxrandr/default.nix b/pkgs/desktops/lxde/core/lxrandr/default.nix
index c3ab5e7e40a..7de2886eeb4 100644
--- a/pkgs/desktops/lxde/core/lxrandr/default.nix
+++ b/pkgs/desktops/lxde/core/lxrandr/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk2, libX11, xrandr, withGtk3 ? false, gtk3 }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk2, libX11, xrandr, withGtk3 ? false, gtk3 }:
 
 stdenv.mkDerivation rec {
   name = "lxrandr-0.3.2";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   configureFlags = lib.optional withGtk3 "--enable-gtk3";
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
   buildInputs = [ libX11 (if withGtk3 then gtk3 else gtk2) xrandr ];
 
   meta = with lib; {
diff --git a/pkgs/desktops/lxde/core/lxtask/default.nix b/pkgs/desktops/lxde/core/lxtask/default.nix
index c61e53715d2..27066ba9952 100644
--- a/pkgs/desktops/lxde/core/lxtask/default.nix
+++ b/pkgs/desktops/lxde/core/lxtask/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk3, libintl }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk3, libintl }:
 
 stdenv.mkDerivation rec {
   pname = "lxtask";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0b2fxg8jjjpk219gh7qa18g45365598nd2bq7rrq0bdvqjdxy5i2";
   };
 
-  nativeBuildInputs = [ pkgconfig intltool ];
+  nativeBuildInputs = [ pkg-config intltool ];
 
   buildInputs = [ gtk3 libintl ];
 
diff --git a/pkgs/desktops/lxqt/compton-conf/default.nix b/pkgs/desktops/lxqt/compton-conf/default.nix
index 38dfd621848..0ffdc5199aa 100644
--- a/pkgs/desktops/lxqt/compton-conf/default.nix
+++ b/pkgs/desktops/lxqt/compton-conf/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , qtbase
 , qttools
 , lxqt
@@ -22,7 +22,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt.lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/libfm-qt/default.nix b/pkgs/desktops/lxqt/libfm-qt/default.nix
index fb6b759db55..4bb3cd52d82 100644
--- a/pkgs/desktops/lxqt/libfm-qt/default.nix
+++ b/pkgs/desktops/lxqt/libfm-qt/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , pcre
 , libexif
@@ -27,7 +27,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lximage-qt/default.nix b/pkgs/desktops/lxqt/lximage-qt/default.nix
index 014898f5326..217a6fe7922 100644
--- a/pkgs/desktops/lxqt/lximage-qt/default.nix
+++ b/pkgs/desktops/lxqt/lximage-qt/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , qtbase
 , qttools
 , qtx11extras
@@ -27,7 +27,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-archiver/default.nix b/pkgs/desktops/lxqt/lxqt-archiver/default.nix
index 8c5c57045d9..3d2ce3c0f57 100644
--- a/pkgs/desktops/lxqt/lxqt-archiver/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-archiver/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , json-glib
 , libfm-qt
@@ -25,7 +25,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-build-tools/default.nix b/pkgs/desktops/lxqt/lxqt-build-tools/default.nix
index cd39096678f..249d1664884 100644
--- a/pkgs/desktops/lxqt/lxqt-build-tools/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-build-tools/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , pcre
 , qtbase
 , glib
@@ -22,7 +22,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     setupHook
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-config/default.nix b/pkgs/desktops/lxqt/lxqt-config/default.nix
index c50b258243e..407e45655ae 100644
--- a/pkgs/desktops/lxqt/lxqt-config/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-config/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , qtbase
 , qtx11extras
@@ -29,7 +29,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-panel/default.nix b/pkgs/desktops/lxqt/lxqt-panel/default.nix
index d333bae3d30..5da0ab2499e 100644
--- a/pkgs/desktops/lxqt/lxqt-panel/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-panel/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , alsaLib
 , kguiaddons
 , kwindowsystem
@@ -41,7 +41,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-policykit/default.nix b/pkgs/desktops/lxqt/lxqt-policykit/default.nix
index 5b708d6c036..762e7ac0462 100644
--- a/pkgs/desktops/lxqt/lxqt-policykit/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-policykit/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , qtbase
 , qttools
@@ -29,7 +29,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-runner/default.nix b/pkgs/desktops/lxqt/lxqt-runner/default.nix
index d99692847f6..41a673fc345 100644
--- a/pkgs/desktops/lxqt/lxqt-runner/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-runner/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , qtbase
 , qttools
@@ -31,7 +31,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/lxqt-session/default.nix b/pkgs/desktops/lxqt/lxqt-session/default.nix
index bb212cf15a7..4be5eab5d94 100644
--- a/pkgs/desktops/lxqt/lxqt-session/default.nix
+++ b/pkgs/desktops/lxqt/lxqt-session/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt-build-tools
 , qtbase
 , qttools
@@ -29,7 +29,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/obconf-qt/default.nix b/pkgs/desktops/lxqt/obconf-qt/default.nix
index 3b9891053ff..5772dfcf9e7 100644
--- a/pkgs/desktops/lxqt/obconf-qt/default.nix
+++ b/pkgs/desktops/lxqt/obconf-qt/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , pcre
 , qtbase
 , qttools
@@ -26,7 +26,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/pavucontrol-qt/default.nix b/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
index dafb8947918..cd6d177b2ef 100644
--- a/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
+++ b/pkgs/desktops/lxqt/pavucontrol-qt/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt
 , libpulseaudio
 , pcre
@@ -24,7 +24,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt.lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/pcmanfm-qt/default.nix b/pkgs/desktops/lxqt/pcmanfm-qt/default.nix
index 9a6085da02c..a2378fafd55 100644
--- a/pkgs/desktops/lxqt/pcmanfm-qt/default.nix
+++ b/pkgs/desktops/lxqt/pcmanfm-qt/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , lxqt
 , qtbase
 , qttools
@@ -26,7 +26,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     lxqt.lxqt-build-tools
   ];
 
diff --git a/pkgs/desktops/lxqt/screengrab/default.nix b/pkgs/desktops/lxqt/screengrab/default.nix
index cac2ef27d72..bc4f0f0de9f 100644
--- a/pkgs/desktops/lxqt/screengrab/default.nix
+++ b/pkgs/desktops/lxqt/screengrab/default.nix
@@ -2,7 +2,7 @@
 , mkDerivation
 , fetchFromGitHub
 , cmake
-, pkgconfig
+, pkg-config
 , qtbase
 , qttools
 , qtx11extras
@@ -27,7 +27,7 @@ mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     autoPatchelfHook # fix libuploader.so and libextedit.so not found
   ];
 
diff --git a/pkgs/desktops/mate/atril/default.nix b/pkgs/desktops/mate/atril/default.nix
index c8b0e7721a2..3f68da288c0 100644
--- a/pkgs/desktops/mate/atril/default.nix
+++ b/pkgs/desktops/mate/atril/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchurl
-, pkgconfig
+, pkg-config
 , gettext
 , gtk3
 , glib
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/caja-dropbox/default.nix b/pkgs/desktops/mate/caja-dropbox/default.nix
index 8c407f336f5..92176493afc 100644
--- a/pkgs/desktops/mate/caja-dropbox/default.nix
+++ b/pkgs/desktops/mate/caja-dropbox/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, substituteAll
-, pkgconfig, gobject-introspection, gdk-pixbuf
+, pkg-config, gobject-introspection, gdk-pixbuf
 , gtk3, mate, python3, dropbox }:
 
 let
@@ -24,7 +24,7 @@ stdenv.mkDerivation rec {
   strictDeps = true;
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gobject-introspection
     gdk-pixbuf
     (python3.withPackages (ps: with ps; [
diff --git a/pkgs/desktops/mate/caja-extensions/default.nix b/pkgs/desktops/mate/caja-extensions/default.nix
index 433468f3366..64a036fd389 100644
--- a/pkgs/desktops/mate/caja-extensions/default.nix
+++ b/pkgs/desktops/mate/caja-extensions/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, gupnp, mate, imagemagick, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, gupnp, mate, imagemagick, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "caja-extensions";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/caja/default.nix b/pkgs/desktops/mate/caja/default.nix
index 8b4d6765d7b..890d3d61548 100644
--- a/pkgs/desktops/mate/caja/default.nix
+++ b/pkgs/desktops/mate/caja/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, libnotify, libxml2, libexif, exempi, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, libnotify, libxml2, libexif, exempi, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "caja";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/engrampa/default.nix b/pkgs/desktops/mate/engrampa/default.nix
index e60bbd2972e..591cac7d886 100644
--- a/pkgs/desktops/mate/engrampa/default.nix
+++ b/pkgs/desktops/mate/engrampa/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, libxml2, gtk3, file, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, libxml2, gtk3, file, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "engrampa";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/eom/default.nix b/pkgs/desktops/mate/eom/default.nix
index 98239badd7e..8b447f14d8b 100644
--- a/pkgs/desktops/mate/eom/default.nix
+++ b/pkgs/desktops/mate/eom/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, exempi, lcms2, libexif, libjpeg, librsvg, libxml2, libpeas, shared-mime-info, gtk3, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, exempi, lcms2, libexif, libjpeg, librsvg, libxml2, libpeas, shared-mime-info, gtk3, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "eom";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/libmatekbd/default.nix b/pkgs/desktops/mate/libmatekbd/default.nix
index 30a79391cdc..1b66bb97efe 100644
--- a/pkgs/desktops/mate/libmatekbd/default.nix
+++ b/pkgs/desktops/mate/libmatekbd/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, libxklavier }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, libxklavier }:
 
 stdenv.mkDerivation rec {
   pname = "libmatekbd";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "17mcxfkvl14p04id3n5kbhpjwjq00c8wmbyciyy2hm7kwdln6zx8";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext ];
+  nativeBuildInputs = [ pkg-config gettext ];
 
   buildInputs = [ gtk3 libxklavier ];
 
diff --git a/pkgs/desktops/mate/libmatemixer/default.nix b/pkgs/desktops/mate/libmatemixer/default.nix
index 218d314df5c..29d6127c3b3 100644
--- a/pkgs/desktops/mate/libmatemixer/default.nix
+++ b/pkgs/desktops/mate/libmatemixer/default.nix
@@ -1,4 +1,4 @@
-{ config, lib, stdenv, fetchurl, pkgconfig, gettext, glib
+{ config, lib, stdenv, fetchurl, pkg-config, gettext, glib
 , alsaSupport ? stdenv.isLinux, alsaLib
 , pulseaudioSupport ? config.pulseaudio or true, libpulseaudio
 , ossSupport ? false
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     sha256 = "1n6rq7k66zvfd6sb7h92xihh021w9hysfa4yd1mzjcbb7c62ybqx";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext ];
+  nativeBuildInputs = [ pkg-config gettext ];
 
   buildInputs = [ glib ]
     ++ lib.optional alsaSupport alsaLib
diff --git a/pkgs/desktops/mate/libmateweather/default.nix b/pkgs/desktops/mate/libmateweather/default.nix
index c67fd54884f..0f5deb8f550 100644
--- a/pkgs/desktops/mate/libmateweather/default.nix
+++ b/pkgs/desktops/mate/libmateweather/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, libsoup, tzdata }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, libsoup, tzdata }:
 
 stdenv.mkDerivation rec {
   pname = "libmateweather";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "02d7c59pami1fzxg73mp6risa9hvsdpgs68f62wkg09nrppzsk4v";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext ];
+  nativeBuildInputs = [ pkg-config gettext ];
 
   buildInputs = [ gtk3 libsoup tzdata ];
 
diff --git a/pkgs/desktops/mate/marco/default.nix b/pkgs/desktops/mate/marco/default.nix
index 60efc6db045..3c16004010c 100644
--- a/pkgs/desktops/mate/marco/default.nix
+++ b/pkgs/desktops/mate/marco/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, libxml2, libcanberra-gtk3, libgtop, libstartup_notification, gnome3, gtk3, mate-settings-daemon, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, libxml2, libcanberra-gtk3, libgtop, libstartup_notification, gnome3, gtk3, mate-settings-daemon, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "marco";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-applets/default.nix b/pkgs/desktops/mate/mate-applets/default.nix
index 51389a489e4..bfa5a1a5d95 100644
--- a/pkgs/desktops/mate/mate-applets/default.nix
+++ b/pkgs/desktops/mate/mate-applets/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, gnome3, glib, gtk3, gtksourceview3, libwnck3, libgtop, libxml2, libnotify, polkit, upower, wirelesstools, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, gnome3, glib, gtk3, gtksourceview3, libwnck3, libgtop, libxml2, libnotify, polkit, upower, wirelesstools, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-applets";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-calc/default.nix b/pkgs/desktops/mate/mate-calc/default.nix
index ddf6948bd48..2805c86fe89 100644
--- a/pkgs/desktops/mate/mate-calc/default.nix
+++ b/pkgs/desktops/mate/mate-calc/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, gtk3, libxml2, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, gtk3, libxml2, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-calc";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-control-center/default.nix b/pkgs/desktops/mate/mate-control-center/default.nix
index 58ce83b902f..262ca75ac79 100644
--- a/pkgs/desktops/mate/mate-control-center/default.nix
+++ b/pkgs/desktops/mate/mate-control-center/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, libxml2, dbus-glib,
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, libxml2, dbus-glib,
   libxklavier, libcanberra-gtk3, librsvg, libappindicator-gtk3,
   desktop-file-utils, dconf, gtk3, polkit, mate, hicolor-icon-theme, wrapGAppsHook
 }:
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     desktop-file-utils
diff --git a/pkgs/desktops/mate/mate-desktop/default.nix b/pkgs/desktops/mate/mate-desktop/default.nix
index 6e69a3afedd..9102ae3e8b5 100644
--- a/pkgs/desktops/mate/mate-desktop/default.nix
+++ b/pkgs/desktops/mate/mate-desktop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, isocodes, gnome3, gtk3, dconf, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, isocodes, gnome3, gtk3, dconf, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-desktop";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/mate-icon-theme/default.nix b/pkgs/desktops/mate/mate-icon-theme/default.nix
index 07dadf2dcd8..530a7b66ff1 100644
--- a/pkgs/desktops/mate/mate-icon-theme/default.nix
+++ b/pkgs/desktops/mate/mate-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, iconnamingutils, librsvg, gtk3, hicolor-icon-theme }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, iconnamingutils, librsvg, gtk3, hicolor-icon-theme }:
 
 stdenv.mkDerivation rec {
   pname = "mate-icon-theme";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0a2lz61ivwwcdznmwlmgjr6ipr9sdl5g2czbagnpxkwz8f3m77na";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext iconnamingutils ];
+  nativeBuildInputs = [ pkg-config gettext iconnamingutils ];
 
   buildInputs = [ librsvg ];
 
diff --git a/pkgs/desktops/mate/mate-indicator-applet/default.nix b/pkgs/desktops/mate/mate-indicator-applet/default.nix
index 096d5070ab7..a26b593101a 100644
--- a/pkgs/desktops/mate/mate-indicator-applet/default.nix
+++ b/pkgs/desktops/mate/mate-indicator-applet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, libindicator-gtk3, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, libindicator-gtk3, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-indicator-applet";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/mate-media/default.nix b/pkgs/desktops/mate/mate-media/default.nix
index 6f25d571374..f4d8bd73884 100644
--- a/pkgs/desktops/mate/mate-media/default.nix
+++ b/pkgs/desktops/mate/mate-media/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, libtool, libxml2, libcanberra-gtk3, gtk3, mate, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, libtool, libxml2, libcanberra-gtk3, gtk3, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-media";
@@ -19,7 +19,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     libtool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-menus/default.nix b/pkgs/desktops/mate/mate-menus/default.nix
index 748b7b3c272..1333af0cdd9 100644
--- a/pkgs/desktops/mate/mate-menus/default.nix
+++ b/pkgs/desktops/mate/mate-menus/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, glib, gobject-introspection, python3 }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, glib, gobject-introspection, python3 }:
 
 stdenv.mkDerivation rec {
   pname = "mate-menus";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "17zc9fn14jykhn30z8iwlw0qwk32ivj6gxgww3xrqvqk0da5yaas";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext gobject-introspection ];
+  nativeBuildInputs = [ pkg-config gettext gobject-introspection ];
 
   buildInputs = [ glib python3 ];
 
diff --git a/pkgs/desktops/mate/mate-netbook/default.nix b/pkgs/desktops/mate/mate-netbook/default.nix
index 2bb49754aca..3912ab47c8e 100644
--- a/pkgs/desktops/mate/mate-netbook/default.nix
+++ b/pkgs/desktops/mate/mate-netbook/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, libwnck3, libfakekey, libXtst, mate, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, libwnck3, libfakekey, libXtst, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-netbook";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/mate-notification-daemon/default.nix b/pkgs/desktops/mate/mate-notification-daemon/default.nix
index 056ded4dc63..5e867085bb1 100644
--- a/pkgs/desktops/mate/mate-notification-daemon/default.nix
+++ b/pkgs/desktops/mate/mate-notification-daemon/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, glib, libcanberra-gtk3,
+{ lib, stdenv, fetchurl, pkg-config, gettext, glib, libcanberra-gtk3,
   libnotify, libwnck3, gtk3, libxml2, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     libxml2 # for xmllint
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-panel/default.nix b/pkgs/desktops/mate/mate-panel/default.nix
index 6858031ffd8..1ada0171911 100644
--- a/pkgs/desktops/mate/mate-panel/default.nix
+++ b/pkgs/desktops/mate/mate-panel/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, glib, libwnck3, librsvg, libxml2, dconf, gtk3, mate, hicolor-icon-theme, gobject-introspection, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, glib, libwnck3, librsvg, libxml2, dconf, gtk3, mate, hicolor-icon-theme, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-panel";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     gettext
     itstool
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/desktops/mate/mate-polkit/default.nix b/pkgs/desktops/mate/mate-polkit/default.nix
index 4263115c880..67690161f55 100644
--- a/pkgs/desktops/mate/mate-polkit/default.nix
+++ b/pkgs/desktops/mate/mate-polkit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, gobject-introspection, libappindicator-gtk3, libindicator-gtk3, polkit }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, gobject-introspection, libappindicator-gtk3, libindicator-gtk3, polkit }:
 
 stdenv.mkDerivation rec {
   pname = "mate-polkit";
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     gobject-introspection
     gettext
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/mate/mate-power-manager/default.nix b/pkgs/desktops/mate/mate-power-manager/default.nix
index 0d3bb40ee3e..e0c46076a65 100644
--- a/pkgs/desktops/mate/mate-power-manager/default.nix
+++ b/pkgs/desktops/mate/mate-power-manager/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, glib, itstool, libxml2, mate-panel, libnotify, libcanberra-gtk3, dbus-glib, upower, gnome3, gtk3, libtool, polkit, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, glib, itstool, libxml2, mate-panel, libnotify, libcanberra-gtk3, dbus-glib, upower, gnome3, gtk3, libtool, polkit, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-power-manager";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     libtool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-screensaver/default.nix b/pkgs/desktops/mate/mate-screensaver/default.nix
index 216931aff85..fe309352346 100644
--- a/pkgs/desktops/mate/mate-screensaver/default.nix
+++ b/pkgs/desktops/mate/mate-screensaver/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, dbus-glib, libXScrnSaver, libnotify, libxml2, pam, systemd, mate, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, dbus-glib, libXScrnSaver, libnotify, libxml2, pam, systemd, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-screensaver";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     libxml2 # provides xmllint
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-sensors-applet/default.nix b/pkgs/desktops/mate/mate-sensors-applet/default.nix
index 6368aaec327..6fed2a65444 100644
--- a/pkgs/desktops/mate/mate-sensors-applet/default.nix
+++ b/pkgs/desktops/mate/mate-sensors-applet/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, gtk3, libxml2, libxslt, libatasmart, libnotify, lm_sensors, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, gtk3, libxml2, libxslt, libatasmart, libnotify, lm_sensors, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-sensors-applet";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-session-manager/default.nix b/pkgs/desktops/mate/mate-session-manager/default.nix
index b44aea73008..08a119ad8d2 100644
--- a/pkgs/desktops/mate/mate-session-manager/default.nix
+++ b/pkgs/desktops/mate/mate-session-manager/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, xtrans, dbus-glib, systemd,
+{ lib, stdenv, fetchurl, pkg-config, gettext, xtrans, dbus-glib, systemd,
   libSM, libXtst, gtk3, epoxy, polkit, hicolor-icon-theme, mate,
   wrapGAppsHook, fetchpatch
 }:
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     xtrans
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-settings-daemon/default.nix b/pkgs/desktops/mate/mate-settings-daemon/default.nix
index f6aaaf73d0a..0a483269c5e 100644
--- a/pkgs/desktops/mate/mate-settings-daemon/default.nix
+++ b/pkgs/desktops/mate/mate-settings-daemon/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, glib, dbus-glib, libxklavier,
+{ lib, stdenv, fetchurl, pkg-config, gettext, glib, dbus-glib, libxklavier,
   libcanberra-gtk3, libnotify, nss, polkit, dconf, gtk3, mate,
   pulseaudioSupport ? stdenv.config.pulseaudio or true, libpulseaudio,
   wrapGAppsHook }:
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     gettext
-    pkgconfig
+    pkg-config
     wrapGAppsHook
   ];
 
diff --git a/pkgs/desktops/mate/mate-system-monitor/default.nix b/pkgs/desktops/mate/mate-system-monitor/default.nix
index 38cea3cda58..2d89cb2494b 100644
--- a/pkgs/desktops/mate/mate-system-monitor/default.nix
+++ b/pkgs/desktops/mate/mate-system-monitor/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, gtkmm3, libxml2, libgtop, libwnck3, librsvg, polkit, systemd, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, gtkmm3, libxml2, libgtop, libwnck3, librsvg, polkit, systemd, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-system-monitor";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     wrapGAppsHook
diff --git a/pkgs/desktops/mate/mate-terminal/default.nix b/pkgs/desktops/mate/mate-terminal/default.nix
index be8f005ca38..48588cc6d6d 100644
--- a/pkgs/desktops/mate/mate-terminal/default.nix
+++ b/pkgs/desktops/mate/mate-terminal/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, glib, itstool, libxml2, mate, dconf, gtk3, vte, pcre2, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, glib, itstool, libxml2, mate, dconf, gtk3, vte, pcre2, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-terminal";
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/mate/mate-themes/default.nix b/pkgs/desktops/mate/mate-themes/default.nix
index 25a278ab8ef..3c0d9cf1b02 100644
--- a/pkgs/desktops/mate/mate-themes/default.nix
+++ b/pkgs/desktops/mate/mate-themes/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, mate-icon-theme, gtk2, gtk3,
+{ lib, stdenv, fetchurl, pkg-config, gettext, mate-icon-theme, gtk2, gtk3,
   gtk_engines, gtk-engine-murrine, gdk-pixbuf, librsvg }:
 
 stdenv.mkDerivation rec {
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
     sha256 = "051g2vq817g84yrqzf7hjcqr4xrghnw1rprjd6jf5mhhzmwcas6n";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext gtk3 ];
+  nativeBuildInputs = [ pkg-config gettext gtk3 ];
 
   buildInputs = [ mate-icon-theme gtk2 gtk_engines gdk-pixbuf librsvg ];
 
diff --git a/pkgs/desktops/mate/mate-user-share/default.nix b/pkgs/desktops/mate/mate-user-share/default.nix
index d91e538059b..8aa9591003c 100644
--- a/pkgs/desktops/mate/mate-user-share/default.nix
+++ b/pkgs/desktops/mate/mate-user-share/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, gtk3, dbus-glib, libnotify, libxml2, libcanberra-gtk3, mod_dnssd, apacheHttpd, hicolor-icon-theme, mate, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, gtk3, dbus-glib, libnotify, libxml2, libcanberra-gtk3, mod_dnssd, apacheHttpd, hicolor-icon-theme, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-user-share";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     libxml2
diff --git a/pkgs/desktops/mate/mate-utils/default.nix b/pkgs/desktops/mate/mate-utils/default.nix
index 9b5c857c9df..c58a3d4bc64 100644
--- a/pkgs/desktops/mate/mate-utils/default.nix
+++ b/pkgs/desktops/mate/mate-utils/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, itstool, glib, gtk3, libxml2, libgtop, libcanberra-gtk3, inkscape, udisks2, mate, hicolor-icon-theme, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, itstool, glib, gtk3, libxml2, libgtop, libcanberra-gtk3, inkscape, udisks2, mate, hicolor-icon-theme, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "mate-utils";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     itstool
     inkscape
diff --git a/pkgs/desktops/mate/mozo/default.nix b/pkgs/desktops/mate/mozo/default.nix
index 78d448f09fe..cee4261a77d 100644
--- a/pkgs/desktops/mate/mozo/default.nix
+++ b/pkgs/desktops/mate/mozo/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, python3, fetchurl, pkgconfig, gettext, mate, gtk3, glib, wrapGAppsHook, gobject-introspection }:
+{ lib, stdenv, python3, fetchurl, pkg-config, gettext, mate, gtk3, glib, wrapGAppsHook, gobject-introspection }:
 
 python3.pkgs.buildPythonApplication rec {
   pname = "mozo";
@@ -12,7 +12,7 @@ python3.pkgs.buildPythonApplication rec {
     sha256 = "01lyi47a04xk0by5bvnfmqgv5sysk2wdlri6a4ssmy1qhgwh9zr3";
   };
 
-  nativeBuildInputs = [ pkgconfig gettext gobject-introspection wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config gettext gobject-introspection wrapGAppsHook ];
 
   propagatedBuildInputs =  [ mate.mate-menus python3.pkgs.pygobject3 ];
 
diff --git a/pkgs/desktops/mate/pluma/default.nix b/pkgs/desktops/mate/pluma/default.nix
index d7da098b3fb..a879f2df5d1 100644
--- a/pkgs/desktops/mate/pluma/default.nix
+++ b/pkgs/desktops/mate/pluma/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, perl, itstool, isocodes, enchant, libxml2, python3, gnome3, gtksourceview3, libpeas, mate, wrapGAppsHook }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, perl, itstool, isocodes, enchant, libxml2, python3, gnome3, gtksourceview3, libpeas, mate, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
   pname = "pluma";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     perl
     itstool
diff --git a/pkgs/desktops/mate/python-caja/default.nix b/pkgs/desktops/mate/python-caja/default.nix
index 10971d72e07..2c59d78e86a 100644
--- a/pkgs/desktops/mate/python-caja/default.nix
+++ b/pkgs/desktops/mate/python-caja/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gettext, gtk3, mate, python3Packages }:
+{ lib, stdenv, fetchurl, pkg-config, gettext, gtk3, mate, python3Packages }:
 
 stdenv.mkDerivation rec {
   pname = "python-caja";
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     gettext
     python3Packages.wrapPython
   ];
diff --git a/pkgs/desktops/pantheon/apps/appcenter/default.nix b/pkgs/desktops/pantheon/apps/appcenter/default.nix
index 11ba1182f25..1c86de61607 100644
--- a/pkgs/desktops/pantheon/apps/appcenter/default.nix
+++ b/pkgs/desktops/pantheon/apps/appcenter/default.nix
@@ -21,7 +21,7 @@
 , ninja
 , packagekit
 , pantheon
-, pkgconfig
+, pkg-config
 , python3
 , vala
 , polkit
@@ -48,12 +48,12 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     appstream-glib
-    dbus # for pkgconfig
+    dbus # for pkg-config
     desktop-file-utils
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-calculator/default.nix b/pkgs/desktops/pantheon/apps/elementary-calculator/default.nix
index c75ffa8acf3..6229d3c1a63 100644
--- a/pkgs/desktops/pantheon/apps/elementary-calculator/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-calculator/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-calendar/default.nix b/pkgs/desktops/pantheon/apps/elementary-calendar/default.nix
index 48c660aeccb..f9ab49a72b9 100644
--- a/pkgs/desktops/pantheon/apps/elementary-calendar/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-calendar/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-camera/default.nix b/pkgs/desktops/pantheon/apps/elementary-camera/default.nix
index 0640265e6db..9a48d38ad8c 100644
--- a/pkgs/desktops/pantheon/apps/elementary-camera/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-camera/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -48,7 +48,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-code/default.nix b/pkgs/desktops/pantheon/apps/elementary-code/default.nix
index 787fe691f6d..7339038b080 100644
--- a/pkgs/desktops/pantheon/apps/elementary-code/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-code/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -50,7 +50,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-dock/default.nix b/pkgs/desktops/pantheon/apps/elementary-dock/default.nix
index c28ee297e33..db6633aa5bd 100644
--- a/pkgs/desktops/pantheon/apps/elementary-dock/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-dock/default.nix
@@ -13,7 +13,7 @@
 , libXi
 , pango
 , gettext
-, pkgconfig
+, pkg-config
 , libxml2
 , bamf
 , gdk-pixbuf
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     libxml2 # xmllint
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/pantheon/apps/elementary-feedback/default.nix b/pkgs/desktops/pantheon/apps/elementary-feedback/default.nix
index abad7f42eb8..21aeb38530f 100644
--- a/pkgs/desktops/pantheon/apps/elementary-feedback/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-feedback/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-files/default.nix b/pkgs/desktops/pantheon/apps/elementary-files/default.nix
index 635f77e09ed..99fd2a6555f 100644
--- a/pkgs/desktops/pantheon/apps/elementary-files/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-files/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , gettext
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     glib-networking
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-music/default.nix b/pkgs/desktops/pantheon/apps/elementary-music/default.nix
index b8306394f10..24eafcabdea 100644
--- a/pkgs/desktops/pantheon/apps/elementary-music/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-music/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-photos/default.nix b/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
index 6bf526cf4fe..ca0b3951351 100644
--- a/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-photos/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , desktop-file-utils
 , gtk3
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-screenshot-tool/default.nix b/pkgs/desktops/pantheon/apps/elementary-screenshot-tool/default.nix
index 1224b9b3120..048aa4ab129 100644
--- a/pkgs/desktops/pantheon/apps/elementary-screenshot-tool/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-screenshot-tool/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-terminal/default.nix b/pkgs/desktops/pantheon/apps/elementary-terminal/default.nix
index 456fee4472b..46f279dd795 100644
--- a/pkgs/desktops/pantheon/apps/elementary-terminal/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-terminal/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , fetchpatch
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , python3
@@ -46,7 +46,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/elementary-videos/default.nix b/pkgs/desktops/pantheon/apps/elementary-videos/default.nix
index 95a61a5649d..e5506093719 100644
--- a/pkgs/desktops/pantheon/apps/elementary-videos/default.nix
+++ b/pkgs/desktops/pantheon/apps/elementary-videos/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/sideload/default.nix b/pkgs/desktops/pantheon/apps/sideload/default.nix
index df483b9a796..c3ba1717801 100644
--- a/pkgs/desktops/pantheon/apps/sideload/default.nix
+++ b/pkgs/desktops/pantheon/apps/sideload/default.nix
@@ -13,7 +13,7 @@
 , meson
 , ninja
 , pantheon
-, pkgconfig
+, pkg-config
 , python3
 , vala
 , libxml2
@@ -42,7 +42,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/a11y/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/a11y/default.nix
index 699aa56f4a7..06f097e81af 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/a11y/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/a11y/default.nix
@@ -5,7 +5,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -41,7 +41,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/about/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/about/default.nix
index fad80f13196..adba2ec0801 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/about/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/about/default.nix
@@ -6,7 +6,7 @@
 , substituteAll
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/applications/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/applications/default.nix
index 3c76dc9053c..66596fa2ff1 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/applications/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/applications/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/bluetooth/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/bluetooth/default.nix
index 3f35c6a46b9..dea3c0306a3 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/bluetooth/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/bluetooth/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/datetime/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/datetime/default.nix
index 036b21a08fc..2337ef24119 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/datetime/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/datetime/default.nix
@@ -5,7 +5,7 @@
 , meson
 , ninja
 , substituteAll
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/display/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/display/default.nix
index 4471ebaef23..055a4098963 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/display/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/display/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/keyboard/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/keyboard/default.nix
index 8cb401e48de..06bdce19f45 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/keyboard/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/keyboard/default.nix
@@ -6,7 +6,7 @@
 , substituteAll
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -44,7 +44,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/mouse-touchpad/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/mouse-touchpad/default.nix
index c1177c54b24..67eeee584a6 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/mouse-touchpad/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/mouse-touchpad/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/network/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/network/default.nix
index 5672c442269..fce9402e131 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/network/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/network/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , substituteAll
 , vala
 , libgee
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/notifications/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/notifications/default.nix
index a1ed6b1085c..8c750710aed 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/notifications/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/notifications/default.nix
@@ -5,7 +5,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/onlineaccounts/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/onlineaccounts/default.nix
index 43a411a4d25..ef12cb38e1b 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/onlineaccounts/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/onlineaccounts/default.nix
@@ -5,7 +5,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala_0_46
 , libgee
 , granite
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala_0_46
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/pantheon-shell/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/pantheon-shell/default.nix
index 6a9b1f6494d..97668d35471 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/pantheon-shell/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/pantheon-shell/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix-update-script, pantheon, meson, ninja, pkgconfig, vala, glib
+{ lib, stdenv, fetchFromGitHub, nix-update-script, pantheon, meson, ninja, pkg-config, vala, glib
 , libgee, granite, gexiv2, elementary-settings-daemon, gtk3, gnome-desktop
 , gala, wingpanel, elementary-dock, switchboard, gettext, bamf, fetchpatch }:
 
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/power/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/power/default.nix
index 71ce891043b..f0cf47cfdfe 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/power/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/power/default.nix
@@ -5,7 +5,7 @@
 , substituteAll
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , elementary-dpms-helper
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/printers/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/printers/default.nix
index 6a9ade11736..06d8041339d 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/printers/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/printers/default.nix
@@ -5,7 +5,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/security-privacy/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/security-privacy/default.nix
index c90d88161a9..6a18f6b6e23 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/security-privacy/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/security-privacy/default.nix
@@ -5,7 +5,7 @@
 , meson
 , python3
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/sharing/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/sharing/default.nix
index ff8fd5909ba..6baaed293c9 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/sharing/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/sharing/default.nix
@@ -5,7 +5,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard-plugs/sound/default.nix b/pkgs/desktops/pantheon/apps/switchboard-plugs/sound/default.nix
index ead5305651b..10117dd8f95 100644
--- a/pkgs/desktops/pantheon/apps/switchboard-plugs/sound/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard-plugs/sound/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , libgee
 , granite
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/apps/switchboard/default.nix b/pkgs/desktops/pantheon/apps/switchboard/default.nix
index d842b4f361b..d0b56d7456a 100644
--- a/pkgs/desktops/pantheon/apps/switchboard/default.nix
+++ b/pkgs/desktops/pantheon/apps/switchboard/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/artwork/elementary-sound-theme/default.nix b/pkgs/desktops/pantheon/artwork/elementary-sound-theme/default.nix
index b4d7ce5b247..a89ea19079e 100644
--- a/pkgs/desktops/pantheon/artwork/elementary-sound-theme/default.nix
+++ b/pkgs/desktops/pantheon/artwork/elementary-sound-theme/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 }:
 
 stdenv.mkDerivation rec {
@@ -23,7 +23,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
   ];
 
   passthru = {
diff --git a/pkgs/desktops/pantheon/desktop/elementary-default-settings/default.nix b/pkgs/desktops/pantheon/desktop/elementary-default-settings/default.nix
index 27888065715..982502f5161 100644
--- a/pkgs/desktops/pantheon/desktop/elementary-default-settings/default.nix
+++ b/pkgs/desktops/pantheon/desktop/elementary-default-settings/default.nix
@@ -6,7 +6,7 @@
 , ninja
 , nixos-artwork
 , glib
-, pkgconfig
+, pkg-config
 , dbus
 , polkit
 , accountsservice
@@ -56,7 +56,7 @@ stdenv.mkDerivation rec {
     glib # polkit requires
     meson
     ninja
-    pkgconfig
+    pkg-config
     polkit
     python3
   ];
diff --git a/pkgs/desktops/pantheon/desktop/elementary-greeter/default.nix b/pkgs/desktops/pantheon/desktop/elementary-greeter/default.nix
index 27d82c345a9..e80e7d951cd 100644
--- a/pkgs/desktops/pantheon/desktop/elementary-greeter/default.nix
+++ b/pkgs/desktops/pantheon/desktop/elementary-greeter/default.nix
@@ -5,7 +5,7 @@
 , substituteAll
 , elementary-greeter
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/pantheon/desktop/elementary-onboarding/default.nix b/pkgs/desktops/pantheon/desktop/elementary-onboarding/default.nix
index 6d900b2e03f..70da883392a 100644
--- a/pkgs/desktops/pantheon/desktop/elementary-onboarding/default.nix
+++ b/pkgs/desktops/pantheon/desktop/elementary-onboarding/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , pantheon
 , fetchpatch
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -53,7 +53,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/desktop/elementary-print-shim/default.nix b/pkgs/desktops/pantheon/desktop/elementary-print-shim/default.nix
index e80dc3644fb..7b821f883ce 100644
--- a/pkgs/desktops/pantheon/desktop/elementary-print-shim/default.nix
+++ b/pkgs/desktops/pantheon/desktop/elementary-print-shim/default.nix
@@ -4,7 +4,7 @@
 , pantheon
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , gtk3
 }:
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/elementary-shortcut-overlay/default.nix b/pkgs/desktops/pantheon/desktop/elementary-shortcut-overlay/default.nix
index d3f3725ad83..314267d8612 100644
--- a/pkgs/desktops/pantheon/desktop/elementary-shortcut-overlay/default.nix
+++ b/pkgs/desktops/pantheon/desktop/elementary-shortcut-overlay/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/pantheon/desktop/gala/default.nix b/pkgs/desktops/pantheon/desktop/gala/default.nix
index fac9e62c207..c4467c53a2b 100644
--- a/pkgs/desktops/pantheon/desktop/gala/default.nix
+++ b/pkgs/desktops/pantheon/desktop/gala/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , fetchpatch
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -49,7 +49,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/applications-menu/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/applications-menu/default.nix
index 19c565ac9f9..230ae29ffa0 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/applications-menu/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/applications-menu/default.nix
@@ -7,7 +7,7 @@
 , meson
 , ninja
 , python3
-, pkgconfig
+, pkg-config
 , vala
 , granite
 , libgee
@@ -51,7 +51,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/bluetooth/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/bluetooth/default.nix
index 4e6fd0e4f6c..03500abd623 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/bluetooth/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/bluetooth/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
index 2b5898db932..c4e070aeacb 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/datetime/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/keyboard/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/keyboard/default.nix
index 01c3ee9e275..4e2f9455073 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/keyboard/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/keyboard/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , substituteAll
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     libxml2
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/network/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/network/default.nix
index eb69d6410eb..ab898084c08 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/network/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/network/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/nightlight/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/nightlight/default.nix
index 04047180f30..4481c181f53 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/nightlight/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/nightlight/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/notifications/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/notifications/default.nix
index 3028fa21da3..97ab0cb80ed 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/notifications/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/notifications/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , fetchpatch
 , meson
 , ninja
@@ -43,7 +43,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/power/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/power/default.nix
index e1156f693e4..69a17b9dd30 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/power/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/power/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
index 84b204a17f7..a6c08b613bb 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/session/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , fetchpatch
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -34,7 +34,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
   ];
 
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/sound/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/sound/default.nix
index ab51071bd75..25707f39e46 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel-indicators/sound/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel-indicators/sound/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -38,7 +38,7 @@ stdenv.mkDerivation rec {
     libxml2
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
   ];
diff --git a/pkgs/desktops/pantheon/desktop/wingpanel/default.nix b/pkgs/desktops/pantheon/desktop/wingpanel/default.nix
index 752b7daac20..8e314d3d84b 100644
--- a/pkgs/desktops/pantheon/desktop/wingpanel/default.nix
+++ b/pkgs/desktops/pantheon/desktop/wingpanel/default.nix
@@ -3,7 +3,7 @@
 , nix-update-script
 , pantheon
 , wrapGAppsHook
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     gettext
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/granite/default.nix b/pkgs/desktops/pantheon/granite/default.nix
index 8d06464ef1c..defb6095a35 100644
--- a/pkgs/desktops/pantheon/granite/default.nix
+++ b/pkgs/desktops/pantheon/granite/default.nix
@@ -5,7 +5,7 @@
 , meson
 , ninja
 , vala
-, pkgconfig
+, pkg-config
 , libgee
 , pantheon
 , gtk3
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/services/contractor/default.nix b/pkgs/desktops/pantheon/services/contractor/default.nix
index 650c7a9fe87..e15480c8cc8 100644
--- a/pkgs/desktops/pantheon/services/contractor/default.nix
+++ b/pkgs/desktops/pantheon/services/contractor/default.nix
@@ -5,7 +5,7 @@
 , meson
 , python3
 , ninja
-, pkgconfig
+, pkg-config
 , vala
 , glib
 , libgee
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     dbus
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/services/elementary-capnet-assist/default.nix b/pkgs/desktops/pantheon/services/elementary-capnet-assist/default.nix
index 97320ce0496..d9f224ce45d 100644
--- a/pkgs/desktops/pantheon/services/elementary-capnet-assist/default.nix
+++ b/pkgs/desktops/pantheon/services/elementary-capnet-assist/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , python3
 , ninja
@@ -39,7 +39,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     vala
     wrapGAppsHook
diff --git a/pkgs/desktops/pantheon/services/elementary-settings-daemon/default.nix b/pkgs/desktops/pantheon/services/elementary-settings-daemon/default.nix
index 268f6c4aaef..a37e43cd355 100644
--- a/pkgs/desktops/pantheon/services/elementary-settings-daemon/default.nix
+++ b/pkgs/desktops/pantheon/services/elementary-settings-daemon/default.nix
@@ -4,7 +4,7 @@
 , fetchgit
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , gnome3
 , perl
 , gettext
@@ -78,7 +78,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     perl
     gettext
     libxml2
diff --git a/pkgs/desktops/pantheon/services/pantheon-agent-geoclue2/default.nix b/pkgs/desktops/pantheon/services/pantheon-agent-geoclue2/default.nix
index 29b24981c47..70b62e2b9a0 100644
--- a/pkgs/desktops/pantheon/services/pantheon-agent-geoclue2/default.nix
+++ b/pkgs/desktops/pantheon/services/pantheon-agent-geoclue2/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     desktop-file-utils
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
    ];
diff --git a/pkgs/desktops/pantheon/services/pantheon-agent-polkit/default.nix b/pkgs/desktops/pantheon/services/pantheon-agent-polkit/default.nix
index f3a49654938..61bbb6ef9a4 100644
--- a/pkgs/desktops/pantheon/services/pantheon-agent-polkit/default.nix
+++ b/pkgs/desktops/pantheon/services/pantheon-agent-polkit/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitHub
 , nix-update-script
 , pantheon
-, pkgconfig
+, pkg-config
 , meson
 , ninja
 , vala
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     vala
     wrapGAppsHook
   ];
diff --git a/pkgs/desktops/rox/rox-filer/default.nix b/pkgs/desktops/rox/rox-filer/default.nix
index e8ffe0f9d92..ed00f37c687 100644
--- a/pkgs/desktops/rox/rox-filer/default.nix
+++ b/pkgs/desktops/rox/rox-filer/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libxml2, gtk, libSM, shared-mime-info }:
+{ lib, stdenv, fetchurl, pkg-config, libxml2, gtk, libSM, shared-mime-info }:
 
 let
   version = "2.11";
@@ -11,7 +11,7 @@ in stdenv.mkDerivation {
     sha256 = "a929bd32ee18ef7a2ed48b971574574592c42e34ae09f36604bf663d7c101ba8";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxml2 gtk shared-mime-info libSM ];
   NIX_LDFLAGS = "-ldl -lm";
 
diff --git a/pkgs/desktops/xfce/art/xfce4-icon-theme.nix b/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
index 304375f87e3..a2339d58568 100644
--- a/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
+++ b/pkgs/desktops/xfce/art/xfce4-icon-theme.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk3, gnome-icon-theme, tango-icon-theme, hicolor-icon-theme, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk3, gnome-icon-theme, tango-icon-theme, hicolor-icon-theme, xfce }:
 
 let
   category = "art";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
     gtk3
   ];
diff --git a/pkgs/desktops/xfce/mkXfceDerivation.nix b/pkgs/desktops/xfce/mkXfceDerivation.nix
index f17b506367c..5c47dc7f85d 100644
--- a/pkgs/desktops/xfce/mkXfceDerivation.nix
+++ b/pkgs/desktops/xfce/mkXfceDerivation.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitLab, pkgconfig, xfce4-dev-tools, hicolor-icon-theme, xfce, wrapGAppsHook }:
+{ lib, stdenv, fetchFromGitLab, pkg-config, xfce4-dev-tools, hicolor-icon-theme, xfce, wrapGAppsHook }:
 
 { category
 , pname
@@ -25,7 +25,7 @@ let
   template = rec {
     inherit pname version;
 
-    nativeBuildInputs = [ pkgconfig xfce4-dev-tools wrapGAppsHook ];
+    nativeBuildInputs = [ pkg-config xfce4-dev-tools wrapGAppsHook ];
     buildInputs = [ hicolor-icon-theme ];
     configureFlags = [ "--enable-maintainer-mode" ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-cpugraph-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-cpugraph-plugin.nix
index 571305b5f91..aed655eb2bd 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-cpugraph-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-cpugraph-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, glib, exo, libXtst, xorgproto, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, hicolor-icon-theme, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, glib, exo, libXtst, xorgproto, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, hicolor-icon-theme, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-dockbarx-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-dockbarx-plugin.nix
index 6c75b44d77a..e64d6fbae51 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-dockbarx-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-dockbarx-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, pkgconfig, fetchFromGitHub, python2, bash, vala_0_46
+{ lib, stdenv, pkg-config, fetchFromGitHub, python2, bash, vala_0_46
 , dockbarx, gtk2, xfce, pythonPackages, wafHook }:
 
 stdenv.mkDerivation rec {
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   pythonPath = [ dockbarx ];
 
-  nativeBuildInputs = [ pkgconfig wafHook ];
+  nativeBuildInputs = [ pkg-config wafHook ];
   buildInputs = [ python2 vala_0_46 gtk2 pythonPackages.wrapPython ]
     ++ (with xfce; [ libxfce4util xfce4-panel xfconf xfce4-dev-tools ])
     ++ pythonPath;
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-embed-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-embed-plugin.nix
index e12e499aad8..a731c9fcbb5 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-embed-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-embed-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk2, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk2, xfce }:
 
 let
   category = "panel-plugins";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-eyes-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-eyes-plugin.nix
index c136fa00301..8df173d3367 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-eyes-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-eyes-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-fsguard-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-fsguard-plugin.nix
index bce6eb18473..95f93148a91 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-fsguard-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-fsguard-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk3, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin.nix
index 747d604e917..59796ad55b1 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-genmon-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-hardware-monitor-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-hardware-monitor-plugin.nix
index bc8d9ff3276..8afff65696d 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-hardware-monitor-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-hardware-monitor-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, autoreconfHook, gnome2, gtkmm2,
+{ lib, stdenv, fetchurl, pkg-config, intltool, autoreconfHook, gnome2, gtkmm2,
   libgtop, libxfce4ui, libxfce4util, xfce4-panel, lm_sensors, xfce
 }:
 
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     autoreconfHook
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin.nix
index 878722975f5..df31ea3b9b5 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-mailwatch-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui,
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui,
   gtk2, exo, gnutls, libgcrypt, xfce }:
 
 let
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
 
   nativeBuildInputs = [
     intltool
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin.nix
index b5aa6aebb59..37f64021c72 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-mpc-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel,
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel,
   libxfce4ui, gtk3, exo, xfce }:
 
 let
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-namebar-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-namebar-plugin.nix
index 92d39fc8fbb..407f349d9bf 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-namebar-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-namebar-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, pkgconfig, fetchFromGitHub, python3, vala_0_46
+{ lib, stdenv, pkg-config, fetchFromGitHub, python3, vala_0_46
 , gtk3, libwnck3, libxfce4util, xfce4-panel, wafHook, xfce }:
 
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0l70f6mzkscsj4wr43wp5c0l2qnf85vj24cv02bjrh3bzz6wkak8";
   };
 
-  nativeBuildInputs = [ pkgconfig vala_0_46 wafHook python3 ];
+  nativeBuildInputs = [ pkg-config vala_0_46 wafHook python3 ];
   buildInputs = [ gtk3 libwnck3 libxfce4util xfce4-panel ];
 
   postPatch = ''
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-notes-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-notes-plugin.nix
index e5864d82920..09ff309c05f 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-notes-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-notes-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk2, libunique, xfce }:
+{ lib, stdenv, fetchurl, fetchpatch, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, xfconf, gtk2, libunique, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin.nix
index ee1bff6733b..845f1b22e33 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-sensors-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk3, libxfce4ui,
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk3, libxfce4ui,
   libxfce4util, xfce4-panel, libnotify, lm_sensors, hddtemp, netcat-gnu, xfce
 }:
 
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin.nix
index 34d7b5deae7..a313510fded 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-systemload-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin.nix
index 9e093024d42..7c2fb69dc5c 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-timer-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, hicolor-icon-theme, xfce }:
+{ lib, stdenv, fetchurl, pkg-config, intltool, libxfce4util, xfce4-panel, libxfce4ui, gtk3, hicolor-icon-theme, xfce }:
 
 let
   category = "panel-plugins";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-vala-panel-appmenu-plugin/default.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-vala-panel-appmenu-plugin/default.nix
index ce90dd6809d..d8946c98a38 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-vala-panel-appmenu-plugin/default.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-vala-panel-appmenu-plugin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, substituteAll, callPackage, pkgconfig, cmake, vala, libxml2,
+{ lib, stdenv, fetchFromGitHub, substituteAll, callPackage, pkg-config, cmake, vala, libxml2,
   glib, pcre, gtk2, gtk3, xorg, libxkbcommon, epoxy, at-spi2-core, dbus-glib, bamf,
   xfce, libwnck3, libdbusmenu, gobject-introspection }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "06rykdr2c9rnzxwinwdynd73v9wf0gjkx6qfva7sx2n94ajsdnaw";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake vala libxml2.bin ];
+  nativeBuildInputs = [ pkg-config cmake vala libxml2.bin ];
   buildInputs = [ (callPackage ./appmenu-gtk-module.nix {})
                   glib pcre gtk2 gtk3 xorg.libpthreadstubs xorg.libXdmcp libxkbcommon epoxy
                   at-spi2-core dbus-glib bamf xfce.xfce4panel_gtk3 xfce.libxfce4util xfce.xfconf
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin.nix
index eba010009bf..18639946ce8 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-weather-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, intltool, gtk3, libxml2, libsoup, upower,
+{ lib, stdenv, fetchurl, pkg-config, intltool, gtk3, libxml2, libsoup, upower,
   libxfce4ui, libxfce4util, xfce4-panel, hicolor-icon-theme, xfce }:
 
 let
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/panel-plugins/xfce4-windowck-plugin.nix b/pkgs/desktops/xfce/panel-plugins/xfce4-windowck-plugin.nix
index f5cf3899b02..ec6ef0e7b62 100644
--- a/pkgs/desktops/xfce/panel-plugins/xfce4-windowck-plugin.nix
+++ b/pkgs/desktops/xfce/panel-plugins/xfce4-windowck-plugin.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, intltool, python3, imagemagick, libwnck, gtk2
+{ lib, stdenv, fetchFromGitHub, pkg-config, intltool, python3, imagemagick, libwnck, gtk2
 , exo, libxfce4ui, libxfce4util, xfce4-panel, xfconf, xfce4-dev-tools, xfce }:
 
 stdenv.mkDerivation rec {
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
   ];
 
diff --git a/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix b/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
index 85a8b95dc00..b632fde2df2 100644
--- a/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
+++ b/pkgs/desktops/xfce/thunar-plugins/dropbox/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , gtk3
 , thunar
 , cmake
@@ -20,7 +20,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     cmake
     ninja
   ];
author	Ben Siraphob <bensiraphob@gmail.com>	2021-01-17 09:21:50 +0700
committer	Jonathan Ringer <jonringer@users.noreply.github.com>	2021-01-16 23:49:59 -0800
commit	5fffcef915761939a2d78e679e43551dc1adf09e (patch)
tree	d1e88b3fabb6a528151738acf0691c97b27d78ac
parent	82ba45d59ea531f06e8849c284618067d2822d3a (diff)
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