pkgs/applications: pkgconfig -> pkg-config

84 files changed, 171 insertions, 171 deletions

diff --git a/pkgs/applications/networking/browsers/firefox/common.nix b/pkgs/applications/networking/browsers/firefox/common.nix
index 123c3cc08a6..d271f22e67c 100644
--- a/pkgs/applications/networking/browsers/firefox/common.nix
+++ b/pkgs/applications/networking/browsers/firefox/common.nix
@@ -2,7 +2,7 @@
 , src, unpackPhase ? null, patches ? []
 , extraNativeBuildInputs ? [], extraConfigureFlags ? [], extraMakeFlags ? [] }:
 
-{ lib, stdenv, pkgconfig, pango, perl, python3, zip
+{ lib, stdenv, pkg-config, pango, perl, python3, zip
 , libjpeg, zlib, dbus, dbus-glib, bzip2, xorg
 , freetype, fontconfig, file, nspr, nss, nss_3_53
 , yasm, libGLU, libGL, sqlite, unzip, makeWrapper
@@ -222,7 +222,7 @@ buildStdenv.mkDerivation ({
       llvmPackages.llvm # llvm-objdump
       nodejs
       perl
-      pkgconfig
+      pkg-config
       python3
       rust-cbindgen
       rustc
diff --git a/pkgs/applications/networking/browsers/luakit/default.nix b/pkgs/applications/networking/browsers/luakit/default.nix
index e634b0f566f..917da034c30 100644
--- a/pkgs/applications/networking/browsers/luakit/default.nix
+++ b/pkgs/applications/networking/browsers/luakit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, wrapGAppsHook
+{ lib, stdenv, fetchFromGitHub, pkg-config, wrapGAppsHook
 , help2man, luafilesystem, luajit, sqlite
 , webkitgtk, gtk3, gst_all_1, glib-networking
 }:
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig help2man wrapGAppsHook
+    pkg-config help2man wrapGAppsHook
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/browsers/lynx/default.nix b/pkgs/applications/networking/browsers/lynx/default.nix
index 7bda7cdcbf7..713f934f778 100644
--- a/pkgs/applications/networking/browsers/lynx/default.nix
+++ b/pkgs/applications/networking/browsers/lynx/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, buildPackages
-, fetchurl, pkgconfig, ncurses, gzip
+, fetchurl, pkg-config, ncurses, gzip
 , sslSupport ? true, openssl ? null
 , nukeReferences
 }:
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
 
   depsBuildBuild = [ buildPackages.stdenv.cc ];
   nativeBuildInputs = [ nukeReferences ]
-    ++ lib.optional sslSupport pkgconfig;
+    ++ lib.optional sslSupport pkg-config;
 
   buildInputs = [ ncurses gzip ] ++ lib.optional sslSupport openssl.dev;
 
diff --git a/pkgs/applications/networking/browsers/w3m/default.nix b/pkgs/applications/networking/browsers/w3m/default.nix
index 7ea22641126..2a4dc9e389a 100644
--- a/pkgs/applications/networking/browsers/w3m/default.nix
+++ b/pkgs/applications/networking/browsers/w3m/default.nix
@@ -4,7 +4,7 @@
 , graphicsSupport ? !stdenv.isDarwin, imlib2 ? null
 , x11Support ? graphicsSupport, libX11 ? null
 , mouseSupport ? !stdenv.isDarwin, gpm-ncurses ? null
-, perl, man, pkgconfig, buildPackages, w3m
+, perl, man, pkg-config, buildPackages, w3m
 }:
 
 assert sslSupport -> openssl != null;
@@ -18,7 +18,7 @@ let
   mktable = buildPackages.stdenv.mkDerivation {
     name = "w3m-mktable";
     inherit (w3m) src;
-    nativeBuildInputs = [ pkgconfig boehmgc ];
+    nativeBuildInputs = [ pkg-config boehmgc ];
     makeFlags = [ "mktable" ];
     installPhase = ''
       install -D mktable $out/bin/mktable
@@ -59,7 +59,7 @@ in stdenv.mkDerivation rec {
     sed -ie 's!mktable.*:.*!mktable:!' Makefile.in
   '';
 
-  nativeBuildInputs = [ pkgconfig gettext ];
+  nativeBuildInputs = [ pkg-config gettext ];
   buildInputs = [ ncurses boehmgc zlib ]
     ++ optional sslSupport openssl
     ++ optional mouseSupport gpm-ncurses
diff --git a/pkgs/applications/networking/calls/default.nix b/pkgs/applications/networking/calls/default.nix
index d163f8a7475..e6d4845761a 100644
--- a/pkgs/applications/networking/calls/default.nix
+++ b/pkgs/applications/networking/calls/default.nix
@@ -2,7 +2,7 @@
 , fetchFromGitLab
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , libhandy_0
 , modemmanager
 , gtk3
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [
     meson
     ninja
-    pkgconfig
+    pkg-config
     desktop-file-utils
     vala
     wrapGAppsHook
diff --git a/pkgs/applications/networking/cawbird/default.nix b/pkgs/applications/networking/cawbird/default.nix
index e23f94634de..445ee89d5cd 100644
--- a/pkgs/applications/networking/cawbird/default.nix
+++ b/pkgs/applications/networking/cawbird/default.nix
@@ -10,7 +10,7 @@
 , vala
 , meson
 , ninja
-, pkgconfig
+, pkg-config
 , dconf
 , gst_all_1
 , wrapGAppsHook
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     python3
     gobject-introspection # for setup hook
diff --git a/pkgs/applications/networking/cluster/docker-machine/kvm.nix b/pkgs/applications/networking/cluster/docker-machine/kvm.nix
index 50f2ab14a77..c833dea21c7 100644
--- a/pkgs/applications/networking/cluster/docker-machine/kvm.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/kvm.nix
@@ -1,5 +1,5 @@
 # This file was generated by go2nix.
-{ lib, stdenv, buildGoPackage, fetchFromGitHub, libvirt, pkgconfig }:
+{ lib, stdenv, buildGoPackage, fetchFromGitHub, libvirt, pkg-config }:
 
 buildGoPackage rec {
   pname = "docker-machine-kvm";
@@ -15,7 +15,7 @@ buildGoPackage rec {
     sha256 = "0ch4zwb6h7hnr5l3skj1daypvpyms2i666lbnmakpw1fw3zvjmgy";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libvirt ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/cluster/docker-machine/xhyve.nix b/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
index 49e59ab7093..8c3534006bf 100644
--- a/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
+++ b/pkgs/applications/networking/cluster/docker-machine/xhyve.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildGoPackage, fetchFromGitHub, fetchpatch, pkgconfig, cctools, Hypervisor, vmnet }:
+{ lib, stdenv, buildGoPackage, fetchFromGitHub, fetchpatch, pkg-config, cctools, Hypervisor, vmnet }:
 
 buildGoPackage rec {
   pname = "docker-machine-xhyve";
@@ -26,7 +26,7 @@ buildGoPackage rec {
     sha256 = "0000v97fr8xc5b39v44hsa87wrbk4bcwyaaivxv4hxlf4vlgg863";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ Hypervisor vmnet ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/cluster/habitat/default.nix b/pkgs/applications/networking/cluster/habitat/default.nix
index 9abaeef8013..f9b67b6821a 100644
--- a/pkgs/applications/networking/cluster/habitat/default.nix
+++ b/pkgs/applications/networking/cluster/habitat/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, rustPlatform, pkgconfig
+{ lib, stdenv, fetchFromGitHub, rustPlatform, pkg-config
 , libsodium, libarchive, openssl, zeromq }:
 
 rustPlatform.buildRustPackage rec {
@@ -16,7 +16,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoSha256 = "08sncz0jgsr2s821j3s4bk7d54xqwmnld7m57avavym1xqvsnbmy";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libsodium libarchive openssl zeromq ];
 
   cargoBuildFlags = ["--package hab"];
diff --git a/pkgs/applications/networking/cluster/hadoop/default.nix b/pkgs/applications/networking/cluster/hadoop/default.nix
index af92920645e..4f3dfcfc03f 100644
--- a/pkgs/applications/networking/cluster/hadoop/default.nix
+++ b/pkgs/applications/networking/cluster/hadoop/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, makeWrapper, pkgconfig, which, maven, cmake, jre, bash
+{ lib, stdenv, fetchurl, makeWrapper, pkg-config, which, maven, cmake, jre, bash
 , coreutils, glibc, protobuf2_5, fuse, snappy, zlib, bzip2, openssl, openssl_1_0_2
 }:
 
@@ -34,7 +34,7 @@ let
           outputHash = dependencies-sha256;
         };
 
-        nativeBuildInputs = [ maven cmake pkgconfig ];
+        nativeBuildInputs = [ maven cmake pkg-config ];
         buildInputs = [ fuse snappy zlib bzip2 opensslPkg protobuf2_5 ];
         # most of the hardcoded pathes are fixed in 2.9.x and 3.0.0, this list of patched files might be reduced when 2.7.x and 2.8.x will be deprecated
         postPatch = ''
diff --git a/pkgs/applications/networking/cluster/k3s/default.nix b/pkgs/applications/networking/cluster/k3s/default.nix
index c35579def7e..5a7d953a069 100644
--- a/pkgs/applications/networking/cluster/k3s/default.nix
+++ b/pkgs/applications/networking/cluster/k3s/default.nix
@@ -11,7 +11,7 @@
 , runc
 , kmod
 , libseccomp
-, pkgconfig
+, pkg-config
 , ethtool
 , util-linux
 , ipset
@@ -128,7 +128,7 @@ let
 
     patches = [ ./patches/0001-Use-rm-from-path-in-go-generate.patch ./patches/0002-Add-nixpkgs-patches.patch ];
 
-    nativeBuildInputs = [ git pkgconfig ];
+    nativeBuildInputs = [ git pkg-config ];
     buildInputs = [ libseccomp ];
 
     buildPhase = ''
@@ -168,7 +168,7 @@ let
 
     patches = [ ./patches/0001-Use-rm-from-path-in-go-generate.patch ./patches/0002-Add-nixpkgs-patches.patch ];
 
-    nativeBuildInputs = [ git pkgconfig ];
+    nativeBuildInputs = [ git pkg-config ];
     # These dependencies are embedded as compressed files in k3s at runtime.
     # Propagate them to avoid broken runtime references to libraries.
     propagatedBuildInputs = [ k3sPlugins k3sBuildStage1 runc ];
diff --git a/pkgs/applications/networking/cluster/minishift/default.nix b/pkgs/applications/networking/cluster/minishift/default.nix
index f9391373b18..5b3b17b3df2 100644
--- a/pkgs/applications/networking/cluster/minishift/default.nix
+++ b/pkgs/applications/networking/cluster/minishift/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildGoPackage, fetchFromGitHub, go-bindata, pkgconfig, makeWrapper
+{ lib, buildGoPackage, fetchFromGitHub, go-bindata, pkg-config, makeWrapper
 , glib, gtk3, libappindicator-gtk3, gpgme, openshift, ostree, libselinux, btrfs-progs
 , lvm2, docker-machine-kvm
 }:
@@ -21,7 +21,7 @@ in buildGoPackage rec {
     sha256 = "0yhln3kyc0098hbnjyxhbd915g6j7s692c0z8yrhh9gdpc5cr2aa";
   };
 
-  nativeBuildInputs = [ pkgconfig go-bindata makeWrapper ];
+  nativeBuildInputs = [ pkg-config go-bindata makeWrapper ];
   buildInputs = [ glib gtk3 libappindicator-gtk3 gpgme ostree libselinux btrfs-progs lvm2 ];
 
   goPackagePath = "github.com/minishift/minishift";
diff --git a/pkgs/applications/networking/cluster/terraform-providers/libvirt/default.nix b/pkgs/applications/networking/cluster/terraform-providers/libvirt/default.nix
index 3caab38a3ef..6efdf77bfce 100644
--- a/pkgs/applications/networking/cluster/terraform-providers/libvirt/default.nix
+++ b/pkgs/applications/networking/cluster/terraform-providers/libvirt/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildGoPackage, fetchFromGitHub, libvirt, pkgconfig, makeWrapper, cdrtools }:
+{ lib, stdenv, buildGoPackage, fetchFromGitHub, libvirt, pkg-config, makeWrapper, cdrtools }:
 
 # USAGE:
 # install the following package globally or in nix-shell:
@@ -30,7 +30,7 @@ buildGoPackage rec {
     sha256 = "0ak2lpnv6h0i7lzfcggd90jpfhvsasdr6nflkflk2drlcpalggj9";
   };
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
 
   buildInputs = [ libvirt ];
 
diff --git a/pkgs/applications/networking/feedreaders/castget/default.nix b/pkgs/applications/networking/feedreaders/castget/default.nix
index 6aec4540147..f0f09c8de7e 100644
--- a/pkgs/applications/networking/feedreaders/castget/default.nix
+++ b/pkgs/applications/networking/feedreaders/castget/default.nix
@@ -1,6 +1,6 @@
 { lib, stdenv, fetchFromGitHub
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , glib
 , ronn
 , curl
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     # See comment on locale above
     glibcLocales
     autoreconfHook
-    pkgconfig
+    pkg-config
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/feedreaders/feedreader/default.nix b/pkgs/applications/networking/feedreaders/feedreader/default.nix
index 2df2b9ce786..d550a126547 100644
--- a/pkgs/applications/networking/feedreaders/feedreader/default.nix
+++ b/pkgs/applications/networking/feedreaders/feedreader/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix-update-script, meson, ninja, pkgconfig, vala, gettext, python3
+{ lib, stdenv, fetchFromGitHub, nix-update-script, meson, ninja, pkg-config, vala, gettext, python3
 , appstream-glib, desktop-file-utils, wrapGAppsHook, gnome-online-accounts
 , gtk3, libgee, libpeas, librest, webkitgtk, gsettings-desktop-schemas, pantheon
 , curl, glib, gnome3, gst_all_1, json-glib, libnotify, libsecret, sqlite, gumbo, libxml2
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    meson ninja pkgconfig vala gettext appstream-glib desktop-file-utils
+    meson ninja pkg-config vala gettext appstream-glib desktop-file-utils
     libxml2 python3 wrapGAppsHook
   ];
 
diff --git a/pkgs/applications/networking/ftp/filezilla/default.nix b/pkgs/applications/networking/ftp/filezilla/default.nix
index a24105f8315..4c47c316753 100644
--- a/pkgs/applications/networking/ftp/filezilla/default.nix
+++ b/pkgs/applications/networking/ftp/filezilla/default.nix
@@ -7,7 +7,7 @@
 , libfilezilla
 , libidn
 , nettle
-, pkgconfig
+, pkg-config
 , pugixml
 , sqlite
 , tinyxml
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
     "--disable-autoupdatecheck"
   ];
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   buildInputs = [
     dbus
diff --git a/pkgs/applications/networking/ftp/taxi/default.nix b/pkgs/applications/networking/ftp/taxi/default.nix
index 335b94cd2f4..a359bf3a7c0 100644
--- a/pkgs/applications/networking/ftp/taxi/default.nix
+++ b/pkgs/applications/networking/ftp/taxi/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, nix-update-script, pantheon, pkgconfig, meson, ninja, python3, vala
+{ lib, stdenv, fetchFromGitHub, nix-update-script, pantheon, pkg-config, meson, ninja, python3, vala
 , gtk3, libgee, libsoup, libsecret, gobject-introspection, wrapGAppsHook }:
 
 stdenv.mkDerivation rec {
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     gobject-introspection
     meson
     ninja
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/networking/ids/snort/default.nix b/pkgs/applications/networking/ids/snort/default.nix
index 3beb431042a..17ace3021d8 100644
--- a/pkgs/applications/networking/ids/snort/default.nix
+++ b/pkgs/applications/networking/ids/snort/default.nix
@@ -1,4 +1,4 @@
-{lib, stdenv, pkgconfig, luajit, openssl, fetchurl, libpcap, pcre, libdnet, daq, zlib, flex, bison, makeWrapper
+{lib, stdenv, pkg-config, luajit, openssl, fetchurl, libpcap, pcre, libdnet, daq, zlib, flex, bison, makeWrapper
 , libtirpc
 }:
 
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "13lzvjli6kbsnkd7lf0rm71l2mnz38pxk76ia9yrjb6clfhlbb73";
   };
 
-  buildInputs = [ makeWrapper pkgconfig luajit openssl libpcap pcre libdnet daq zlib flex bison libtirpc ];
+  buildInputs = [ makeWrapper pkg-config luajit openssl libpcap pcre libdnet daq zlib flex bison libtirpc ];
 
   NIX_CFLAGS_COMPILE = [ "-I${libtirpc.dev}/include/tirpc" ];
 
diff --git a/pkgs/applications/networking/ids/suricata/default.nix b/pkgs/applications/networking/ids/suricata/default.nix
index 40dbbddbb3e..00f6aee0915 100644
--- a/pkgs/applications/networking/ids/suricata/default.nix
+++ b/pkgs/applications/networking/ids/suricata/default.nix
@@ -3,7 +3,7 @@
 , fetchurl
 , clang
 , llvm
-, pkgconfig
+, pkg-config
 , makeWrapper
 , file
 , hyperscan
@@ -45,7 +45,7 @@ stdenv.mkDerivation rec {
     clang
     llvm
     makeWrapper
-    pkgconfig
+    pkg-config
   ]
   ++ lib.optionals rustSupport [ rustc cargo ]
   ;
diff --git a/pkgs/applications/networking/instant-messengers/baresip/default.nix b/pkgs/applications/networking/instant-messengers/baresip/default.nix
index d947fa76dff..77a7dcca747 100644
--- a/pkgs/applications/networking/instant-messengers/baresip/default.nix
+++ b/pkgs/applications/networking/instant-messengers/baresip/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, zlib, openssl, libre, librem, pkgconfig, gst_all_1
+{ lib, stdenv, fetchurl, zlib, openssl, libre, librem, pkg-config, gst_all_1
 , cairo, mpg123, alsaLib, SDL, libv4l, celt, libsndfile, srtp, ffmpeg_3
 , gsm, speex, portaudio, spandsp, libuuid, libvpx
 }:
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     url = "http://www.creytiv.com/pub/baresip-${version}.tar.gz";
     sha256 = "13di0ycdcr2q2a20mjvyaqfmvk5xldwqaxklqsz7470jnbc5n0rb";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [zlib openssl libre librem cairo mpg123
     alsaLib SDL libv4l celt libsndfile srtp ffmpeg_3 gsm speex portaudio spandsp libuuid
     libvpx
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-discord/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-discord/default.nix
index 4af62e05c93..543a5f52c97 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-discord/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, stdenv, bitlbee, autoreconfHook, pkgconfig, glib }:
+{ lib, fetchFromGitHub, stdenv, bitlbee, autoreconfHook, pkg-config, glib }:
 
 with lib;
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "00qgdvrp7hv02n0ns685igp810zxmv3adsama8601122al6x041n";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ bitlbee ];
 
   preConfigure = ''
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
index 76cf10e7b14..8023c70fe5f 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-facebook/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, json-glib }:
+{ lib, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkg-config, glib, json-glib }:
 
 with lib;
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "1yjhjhk3jzjip13lq009vlg84lm2lzwhac5jy0aq3vkcz6rp94rc";
   };
 
-  nativeBuildInputs = [ autoconf automake libtool pkgconfig ];
+  nativeBuildInputs = [ autoconf automake libtool pkg-config ];
 
   buildInputs = [ bitlbee json-glib ];
 
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-mastodon/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-mastodon/default.nix
index ce94ab62659..f1b2df658a6 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-mastodon/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-mastodon/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchgit, stdenv, bitlbee, autoreconfHook, pkgconfig, glib }:
+{ lib, fetchgit, stdenv, bitlbee, autoreconfHook, pkg-config, glib }:
 
 with lib;
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0a8196pyr6bjnqg82zn7jdhiv7xsg4npbpzalla1i2h99j30q8pk";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
   buildInputs = [ bitlbee ];
 
   preConfigure = ''
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
index 57ea99ee921..14464247659 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee-steam/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkgconfig, glib, libgcrypt }:
+{ lib, fetchFromGitHub, stdenv, bitlbee, autoconf, automake, libtool, pkg-config, glib, libgcrypt }:
 
 with lib;
 stdenv.mkDerivation rec {
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "121r92mgwv445wwxzh35n19fs5k81ihr0j19k256ia5502b1xxaq";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ bitlbee autoconf automake libtool libgcrypt ];
 
   preConfigure = ''
diff --git a/pkgs/applications/networking/instant-messengers/bitlbee/default.nix b/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
index 022fde67365..1a83a04a1fa 100644
--- a/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
+++ b/pkgs/applications/networking/instant-messengers/bitlbee/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchurl, fetchpatch, stdenv, gnutls, glib, pkgconfig, check, libotr, python
+{ lib, fetchurl, fetchpatch, stdenv, gnutls, glib, pkg-config, check, libotr, python
 , enableLibPurple ? false, pidgin ? null
 , enablePam ? false, pam ? null
 }:
@@ -12,7 +12,7 @@ stdenv.mkDerivation rec {
     sha256 = "0zhhcbcr59sx9h4maf8zamzv2waya7sbsl7w74gbyilvy93dw5cz";
   };
 
-  nativeBuildInputs = [ pkgconfig ] ++ optional doCheck check;
+  nativeBuildInputs = [ pkg-config ] ++ optional doCheck check;
 
   buildInputs = [ gnutls libotr python ]
     ++ optional enableLibPurple pidgin
diff --git a/pkgs/applications/networking/instant-messengers/chatterino2/default.nix b/pkgs/applications/networking/instant-messengers/chatterino2/default.nix
index 617c02de263..f9789cfda41 100644
--- a/pkgs/applications/networking/instant-messengers/chatterino2/default.nix
+++ b/pkgs/applications/networking/instant-messengers/chatterino2/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, stdenv, lib, pkgconfig, fetchFromGitHub, qtbase, qtsvg, qtmultimedia, qmake, boost, openssl, wrapQtAppsHook }:
+{ mkDerivation, stdenv, lib, pkg-config, fetchFromGitHub, qtbase, qtsvg, qtmultimedia, qmake, boost, openssl, wrapQtAppsHook }:
 
 mkDerivation rec {
   pname = "chatterino2";
@@ -10,7 +10,7 @@ mkDerivation rec {
     sha256 = "026cs48hmqkv7k4akbm205avj2pn3x1g7q46chwa707k9km325dz";
     fetchSubmodules = true;
   };
-  nativeBuildInputs = [ qmake pkgconfig wrapQtAppsHook ];
+  nativeBuildInputs = [ qmake pkg-config wrapQtAppsHook ];
   buildInputs = [ qtbase qtsvg qtmultimedia boost openssl ];
   postInstall = lib.optionalString stdenv.isDarwin ''
     mkdir -p "$out/Applications"
diff --git a/pkgs/applications/networking/instant-messengers/coyim/default.nix b/pkgs/applications/networking/instant-messengers/coyim/default.nix
index d16ad19428f..0de7e264ec4 100644
--- a/pkgs/applications/networking/instant-messengers/coyim/default.nix
+++ b/pkgs/applications/networking/instant-messengers/coyim/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildGoPackage, fetchFromGitHub, pkgconfig,
+{ lib, stdenv, buildGoPackage, fetchFromGitHub, pkg-config,
   cairo, gdk-pixbuf, glib, gnome3, wrapGAppsHook, gtk3 }:
 
 buildGoPackage rec {
@@ -14,7 +14,7 @@ buildGoPackage rec {
     sha256 = "1g8nf56j17rdhhj7pv3ha1rb2mfc0mdvyzl35pgcki08w7iw08j3";
   };
 
-  nativeBuildInputs = [ pkgconfig wrapGAppsHook ];
+  nativeBuildInputs = [ pkg-config wrapGAppsHook ];
 
   buildInputs = [ glib cairo gdk-pixbuf gtk3 gnome3.adwaita-icon-theme ];
 
diff --git a/pkgs/applications/networking/instant-messengers/dino/default.nix b/pkgs/applications/networking/instant-messengers/dino/default.nix
index 8e6725d6067..0474f21a2b9 100644
--- a/pkgs/applications/networking/instant-messengers/dino/default.nix
+++ b/pkgs/applications/networking/instant-messengers/dino/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub
-, vala, cmake, ninja, wrapGAppsHook, pkgconfig, gettext
+, vala, cmake, ninja, wrapGAppsHook, pkg-config, gettext
 , gobject-introspection, gnome3, glib, gdk-pixbuf, gtk3, glib-networking
 , xorg, libXdmcp, libxkbcommon
 , libnotify, libsoup, libgee
@@ -31,7 +31,7 @@ stdenv.mkDerivation rec {
     vala
     cmake
     ninja
-    pkgconfig
+    pkg-config
     wrapGAppsHook
     gettext
   ];
diff --git a/pkgs/applications/networking/instant-messengers/freetalk/default.nix b/pkgs/applications/networking/instant-messengers/freetalk/default.nix
index 2fe770e56eb..4c28e346a12 100644
--- a/pkgs/applications/networking/instant-messengers/freetalk/default.nix
+++ b/pkgs/applications/networking/instant-messengers/freetalk/default.nix
@@ -1,11 +1,11 @@
 { lib, stdenv, fetchFromGitHub
-, guile, pkgconfig, glib, loudmouth, gmp, libidn, readline, libtool
+, guile, pkg-config, glib, loudmouth, gmp, libidn, readline, libtool
 , libunwind, ncurses, curl, jansson, texinfo
 , automake, autoconf }:
 stdenv.mkDerivation rec {
   pname = "freetalk";
   version = "4.1";
-  
+
   src = fetchFromGitHub {
     owner = "GNUFreetalk";
     repo = "freetalk";
@@ -17,7 +17,7 @@ stdenv.mkDerivation rec {
     ./autogen.sh
   '';
 
-  nativeBuildInputs = [ pkgconfig texinfo autoconf automake ];
+  nativeBuildInputs = [ pkg-config texinfo autoconf automake ];
   buildInputs = [
     guile glib loudmouth gmp libidn readline libtool
     libunwind ncurses curl jansson
diff --git a/pkgs/applications/networking/instant-messengers/linphone/default.nix b/pkgs/applications/networking/instant-messengers/linphone/default.nix
index 1344440eafc..a3df74a0016 100644
--- a/pkgs/applications/networking/instant-messengers/linphone/default.nix
+++ b/pkgs/applications/networking/instant-messengers/linphone/default.nix
@@ -36,7 +36,7 @@
 , openldap
 , ortp
 , pango
-, pkgconfig
+, pkg-config
 , python
 , qtbase
 , qtgraphicaleffects
@@ -125,7 +125,7 @@ mkDerivation rec {
     graphviz
     intltool
     makeWrapper
-    pkgconfig
+    pkg-config
   ];
 
   cmakeFlags = [
diff --git a/pkgs/applications/networking/instant-messengers/mcabber/default.nix b/pkgs/applications/networking/instant-messengers/mcabber/default.nix
index 8e5642855a3..7c5bff94084 100644
--- a/pkgs/applications/networking/instant-messengers/mcabber/default.nix
+++ b/pkgs/applications/networking/instant-messengers/mcabber/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, openssl, ncurses, pkgconfig, glib, loudmouth, libotr
+{ lib, stdenv, fetchurl, openssl, ncurses, pkg-config, glib, loudmouth, libotr
 , gpgme
 }:
 
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     sha256 = "0q1i5acyghsmzas88qswvki8kkk2nfpr8zapgnxbcd3lwcxl38f4";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ openssl ncurses glib loudmouth libotr gpgme ];
 
   configureFlags = [
diff --git a/pkgs/applications/networking/instant-messengers/mirage/default.nix b/pkgs/applications/networking/instant-messengers/mirage/default.nix
index bcf3279d6a0..3b6b9bfc6f9 100644
--- a/pkgs/applications/networking/instant-messengers/mirage/default.nix
+++ b/pkgs/applications/networking/instant-messengers/mirage/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, mkDerivation, fetchFromGitHub
-, qmake, pkgconfig, olm, wrapQtAppsHook
+, qmake, pkg-config, olm, wrapQtAppsHook
 , qtbase, qtquickcontrols2, qtkeychain, qtmultimedia, qttools, qtgraphicaleffects
 , python3Packages, pyotherside, libXScrnSaver
 }:
@@ -23,7 +23,7 @@ mkDerivation rec {
     fetchSubmodules = true;
   };
 
-  nativeBuildInputs = [ pkgconfig qmake wrapQtAppsHook python3Packages.wrapPython ];
+  nativeBuildInputs = [ pkg-config qmake wrapQtAppsHook python3Packages.wrapPython ];
 
   buildInputs = [
     qtbase qtmultimedia
diff --git a/pkgs/applications/networking/instant-messengers/nheko/default.nix b/pkgs/applications/networking/instant-messengers/nheko/default.nix
index a26d3c41b22..48adc6f03cf 100644
--- a/pkgs/applications/networking/instant-messengers/nheko/default.nix
+++ b/pkgs/applications/networking/instant-messengers/nheko/default.nix
@@ -19,7 +19,7 @@
 , spdlog
 , fmt
 , olm
-, pkgconfig
+, pkg-config
 , nlohmann_json
 }:
 
@@ -37,7 +37,7 @@ mkDerivation rec {
   nativeBuildInputs = [
     lmdbxx
     cmake
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/carbons/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/carbons/default.nix
index 2bb347611b8..46f8458f153 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/carbons/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/carbons/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, libxml2, pidgin, pkgconfig, fetchFromGitHub } :
+{ lib, stdenv, libxml2, pidgin, pkg-config, fetchFromGitHub } :
 
 stdenv.mkDerivation rec {
   pname = "pidgin-carbons";
@@ -13,7 +13,7 @@ stdenv.mkDerivation rec {
 
   makeFlags = [ "PURPLE_PLUGIN_DIR=$(out)/lib/pidgin" ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libxml2 pidgin ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
index 2127fe7ff5b..1250e3877b9 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-latex/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, pidgin, texLive, imagemagick, glib, gtk2 }:
+{ lib, stdenv, fetchurl, pkg-config, pidgin, texLive, imagemagick, glib, gtk2 }:
 
 let version = "1.5.0";
 in
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "9c850aee90d7e59de834f83e09fa6e3e51b123f06e265ead70957608ada95441";
   };
 
-  nativeBuildInputs = [pkgconfig];
+  nativeBuildInputs = [pkg-config];
   buildInputs = [gtk2 glib pidgin];
   makeFlags = [ "PREFIX=$(out)" ];
 
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-mra/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-mra/default.nix
index b2a20319213..a168eb984c3 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-mra/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-mra/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, pkgconfig, pidgin } :
+{ lib, stdenv, fetchgit, pkg-config, pidgin } :
 
 let
   version = "54b2992";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     sha256 = "1adq57g11kw7bfpivyvfk3nlpjkc8raiw4bzn3gn4nx3m0wl99vw";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin ];
 
   postPatch = ''
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-opensteamworks/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-opensteamworks/default.nix
index f72dd198b60..9af8b0aff77 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-opensteamworks/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-opensteamworks/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, pidgin, glib, json-glib, nss, nspr
+{ lib, stdenv, fetchFromGitHub, pkg-config, pidgin, glib, json-glib, nss, nspr
 , libsecret
 } :
 
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
   buildInputs = [
     pidgin glib json-glib nss nspr libsecret
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-skypeweb/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-skypeweb/default.nix
index 59afb8bd65b..d7c3c6cacab 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-skypeweb/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/pidgin-skypeweb/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, pidgin, json-glib }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, pidgin, json-glib }:
 
 stdenv.mkDerivation rec {
   pname = "pidgin-skypeweb";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sourceRoot=$(echo */skypeweb)
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin json-glib ];
 
   PKG_CONFIG_PURPLE_PLUGINDIR = "${placeholder "out"}/lib/purple-2";
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-discord/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-discord/default.nix
index 8128d0af7b7..10cbcb6c1d2 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-discord/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-discord/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, pidgin, json-glib }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, pidgin, json-glib }:
 
 stdenv.mkDerivation {
   pname = "purple-discord";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "0dc344zh1v4yh9c8javcw5ylzwc1wpx0ih8bww8p8cjmhr8kcl32";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin json-glib ];
 
   PKG_CONFIG_PURPLE_PLUGINDIR = "${placeholder "out"}/lib/purple-2";
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-matrix/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-matrix/default.nix
index 75be98506ae..2862e4df796 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-matrix/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-matrix/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, pidgin, json-glib, glib, http-parser, sqlite, olm, libgcrypt } :
+{ lib, stdenv, fetchFromGitHub, pkg-config, pidgin, json-glib, glib, http-parser, sqlite, olm, libgcrypt } :
 
 stdenv.mkDerivation rec {
   pname = "purple-matrix-unstable";
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     "-O3" "-Wno-error"
   ];
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin json-glib glib http-parser sqlite olm libgcrypt ];
 
   makeFlags = [
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-slack/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-slack/default.nix
index 547cd2b1427..9f5f9a2bda1 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-slack/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/purple-slack/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pidgin, pkgconfig }:
+{ lib, stdenv, fetchFromGitHub, pidgin, pkg-config }:
 
 stdenv.mkDerivation {
   pname = "purple-slack-unstable";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "1sksqshiwldd32k8jmiflp2pcax31ym6rypr4qa4v5vdn907g80m";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin ];
 
   PKG_CONFIG_PURPLE_PLUGINDIR = "${placeholder "out"}/lib/purple-2";
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/skype4pidgin/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/skype4pidgin/default.nix
index c53ad0e2b3f..6e14ee1a2b8 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/skype4pidgin/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/skype4pidgin/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, pidgin, libnotify, gdk-pixbuf, glib, dbus
+{ lib, stdenv, fetchurl, pkg-config, pidgin, libnotify, gdk-pixbuf, glib, dbus
 , dbus-glib }:
 
 stdenv.mkDerivation rec {
@@ -29,7 +29,7 @@ stdenv.mkDerivation rec {
 
   postInstall = "ln -s \$out/lib/pidgin \$out/share/pidgin-otr";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin libnotify gdk-pixbuf glib dbus dbus-glib ];
 
   meta = {
diff --git a/pkgs/applications/networking/instant-messengers/pidgin-plugins/telegram-purple/default.nix b/pkgs/applications/networking/instant-messengers/pidgin-plugins/telegram-purple/default.nix
index a5593624691..527af9ed98d 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin-plugins/telegram-purple/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin-plugins/telegram-purple/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, pkgconfig, pidgin, libwebp, libgcrypt, gettext } :
+{ lib, stdenv, fetchgit, pkg-config, pidgin, libwebp, libgcrypt, gettext } :
 
 let
   version = "1.3.1";
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
 
   NIX_CFLAGS_COMPILE = "-Wno-error=cast-function-type";
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ pidgin libwebp libgcrypt gettext ];
 
   preConfigure = ''
diff --git a/pkgs/applications/networking/instant-messengers/pidgin/default.nix b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
index c956864b83d..65b9c245a38 100644
--- a/pkgs/applications/networking/instant-messengers/pidgin/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pidgin/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchurl, makeWrapper, pkgconfig, gtk2, gtk2-x11
+{ stdenv, fetchurl, makeWrapper, pkg-config, gtk2, gtk2-x11
 , gtkspell2, aspell
 , gst_all_1, startupnotification, gettext
 , perlPackages, libxml2, nss, nspr, farstream
@@ -44,7 +44,7 @@ let unwrapped = stdenv.mkDerivation rec {
   ++ (lib.optional (stdenv.isDarwin) gtk2-x11);
 
 
-  propagatedBuildInputs = [ pkgconfig gettext ]
+  propagatedBuildInputs = [ pkg-config gettext ]
     ++ (with perlPackages; [ perl XMLParser ])
     ++ (lib.optional (stdenv.isLinux) gtk2)
     ++ (lib.optional (stdenv.isDarwin) gtk2-x11);
diff --git a/pkgs/applications/networking/instant-messengers/poezio/default.nix b/pkgs/applications/networking/instant-messengers/poezio/default.nix
index 8dc70d6d792..df6e675fecb 100644
--- a/pkgs/applications/networking/instant-messengers/poezio/default.nix
+++ b/pkgs/applications/networking/instant-messengers/poezio/default.nix
@@ -1,5 +1,5 @@
 { lib, buildPythonApplication, fetchFromGitHub, pythonOlder
-, pytest, aiodns, slixmpp, pyinotify, potr, mpd2, cffi, pkgconfig, setuptools }:
+, pytest, aiodns, slixmpp, pyinotify, potr, mpd2, cffi, pkg-config, setuptools }:
 buildPythonApplication rec {
     pname = "poezio";
     version = "0.13.1";
@@ -8,7 +8,7 @@ buildPythonApplication rec {
 
     checkInputs = [ pytest ];
     propagatedBuildInputs = [ aiodns slixmpp pyinotify potr mpd2 cffi setuptools ];
-    nativeBuildInputs = [ pkgconfig ];
+    nativeBuildInputs = [ pkg-config ];
 
     src = fetchFromGitHub {
       owner = pname;
diff --git a/pkgs/applications/networking/instant-messengers/pond/default.nix b/pkgs/applications/networking/instant-messengers/pond/default.nix
index 2ea7c9502c2..4c059cb20d8 100644
--- a/pkgs/applications/networking/instant-messengers/pond/default.nix
+++ b/pkgs/applications/networking/instant-messengers/pond/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, buildGoPackage, trousers, dclxvi, wrapGAppsHook, pkgconfig, gtk3, gtkspell3,
+{ lib, stdenv, buildGoPackage, trousers, dclxvi, wrapGAppsHook, pkg-config, gtk3, gtkspell3,
   fetchgit }:
 
 let
@@ -19,7 +19,7 @@ buildGoPackage rec {
 
   goDeps = ./deps.nix;
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ trousers gtk3 gtkspell3 ]
     ++ lib.optional stdenv.hostPlatform.isx86_64 dclxvi
     ++ lib.optionals gui [ wrapGAppsHook ];
diff --git a/pkgs/applications/networking/instant-messengers/profanity/default.nix b/pkgs/applications/networking/instant-messengers/profanity/default.nix
index 4630a37781f..c373d23948b 100644
--- a/pkgs/applications/networking/instant-messengers/profanity/default.nix
+++ b/pkgs/applications/networking/instant-messengers/profanity/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, glib, openssl
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, glib, openssl
 , glibcLocales, expect, ncurses, libotr, curl, readline, libuuid
 , cmocka, libmicrohttpd, expat, sqlite, libmesode, autoconf-archive
 
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   nativeBuildInputs = [
-    autoreconfHook autoconf-archive glibcLocales pkgconfig
+    autoreconfHook autoconf-archive glibcLocales pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/instant-messengers/ricochet/default.nix b/pkgs/applications/networking/instant-messengers/ricochet/default.nix
index 322da86071c..2a234edaa08 100644
--- a/pkgs/applications/networking/instant-messengers/ricochet/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ricochet/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchurl, pkgconfig, makeDesktopItem
+{ mkDerivation, lib, stdenv, fetchurl, pkg-config, makeDesktopItem
 , qtbase, qttools, qtmultimedia, qtquick1, qtquickcontrols
 , openssl, protobuf, qmake
 }:
@@ -27,7 +27,7 @@ mkDerivation rec {
     openssl protobuf
   ];
 
-  nativeBuildInputs = [ pkgconfig qmake ];
+  nativeBuildInputs = [ pkg-config qmake ];
 
   preConfigure = ''
     export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE $(pkg-config --cflags openssl)"
diff --git a/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix b/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
index 420ab1a53b3..bad54f455b0 100644
--- a/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
+++ b/pkgs/applications/networking/instant-messengers/ring-daemon/default.nix
@@ -2,7 +2,7 @@
 , fetchgit
 , which
 , autoreconfHook
-, pkgconfig
+, pkg-config
 , automake
 , libtool
 , pjsip
@@ -89,7 +89,7 @@ stdenv.mkDerivation {
     autoreconfHook
     automake
     libtool
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/instant-messengers/silc-client/default.nix b/pkgs/applications/networking/instant-messengers/silc-client/default.nix
index b80d5128748..83cc80ccaf0 100644
--- a/pkgs/applications/networking/instant-messengers/silc-client/default.nix
+++ b/pkgs/applications/networking/instant-messengers/silc-client/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, perl, pkgconfig, glib, ncurses
+{ lib, stdenv, fetchurl, perl, pkg-config, glib, ncurses
 , enablePlugin ? false }:
 
 # Enabling the plugin and using it with a recent irssi, segafults on join:
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
     configureFlags="$configureFlags --with-silc-plugin=$out/lib/irssi"
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ perl glib ncurses ];
 
   meta = {
diff --git a/pkgs/applications/networking/instant-messengers/swift-im/default.nix b/pkgs/applications/networking/instant-messengers/swift-im/default.nix
index 494a1f267f9..1dadc728eee 100644
--- a/pkgs/applications/networking/instant-messengers/swift-im/default.nix
+++ b/pkgs/applications/networking/instant-messengers/swift-im/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, stdenv, fetchurl, pkgconfig, qttools, sconsPackages
+{ mkDerivation, lib, stdenv, fetchurl, pkg-config, qttools, sconsPackages
 , GConf, avahi, boost, hunspell, libXScrnSaver, libedit, libidn, libnatpmp, libxml2
 , lua, miniupnpc, openssl, qtbase, qtmultimedia, qtsvg, qtwebkit, qtx11extras, zlib
 }:
@@ -14,7 +14,7 @@ mkDerivation rec {
 
   patches = [ ./qt-5.11.patch ./scons.patch ];
 
-  nativeBuildInputs = [ pkgconfig qttools sconsPackages.scons_3_1_2 ];
+  nativeBuildInputs = [ pkg-config qttools sconsPackages.scons_3_1_2 ];
 
   buildInputs = [
     GConf avahi boost hunspell libXScrnSaver libedit libidn libnatpmp libxml2
diff --git a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
index 8ea4362e7e3..20da2a65dc2 100644
--- a/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telegram/tdesktop/default.nix
@@ -1,5 +1,5 @@
 { mkDerivation, lib, fetchurl, callPackage
-, pkgconfig, cmake, ninja, python3, wrapGAppsHook, wrapQtAppsHook, removeReferencesTo
+, pkg-config, cmake, ninja, python3, wrapGAppsHook, wrapQtAppsHook, removeReferencesTo
 , qtbase, qtimageformats, gtk3, libsForQt5, enchant2, lz4, xxHash
 , dee, ffmpeg, openalSoft, minizip, libopus, alsaLib, libpulseaudio, range-v3
 , tl-expected, hunspell
@@ -41,7 +41,7 @@ in mkDerivation rec {
   dontWrapGApps = true;
   dontWrapQtApps = true;
 
-  nativeBuildInputs = [ pkgconfig cmake ninja python3 wrapGAppsHook wrapQtAppsHook removeReferencesTo ];
+  nativeBuildInputs = [ pkg-config cmake ninja python3 wrapGAppsHook wrapQtAppsHook removeReferencesTo ];
 
   buildInputs = [
     qtbase qtimageformats gtk3 libsForQt5.libdbusmenu enchant2 lz4 xxHash
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
index b4a4e8df0f6..3fe88c287c5 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/gabble/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, libxslt, telepathy-glib, libxml2, dbus-glib, dbus
+{ lib, stdenv, fetchurl, pkg-config, libxslt, telepathy-glib, libxml2, dbus-glib, dbus
 , sqlite, libsoup, libnice, gnutls}:
 
 stdenv.mkDerivation rec {
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "174nlkqm055vrhv11gy73m20jbsggcb0ddi51c7s9m3j5ibr2p0i";
   };
 
-  nativeBuildInputs = [ pkgconfig libxslt ];
+  nativeBuildInputs = [ pkg-config libxslt ];
   buildInputs = [ libxml2 dbus-glib sqlite libsoup libnice telepathy-glib gnutls telepathy-glib.python ];
 
   checkInputs = [ dbus.daemon ];
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/haze/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/haze/default.nix
index baa16c98e07..74e4d1039e7 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/haze/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/haze/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, fetchpatch, pidgin, telepathy-glib, glib, dbus-glib, pkgconfig, libxslt }:
+{ lib, stdenv, fetchurl, fetchpatch, pidgin, telepathy-glib, glib, dbus-glib, pkg-config, libxslt }:
 
 stdenv.mkDerivation rec {
   pname = "telepathy-haze";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ glib telepathy-glib dbus-glib pidgin telepathy-glib.python ];
 
-  nativeBuildInputs = [ pkgconfig libxslt ];
+  nativeBuildInputs = [ pkg-config libxslt ];
 
   patches = [
     # Patch from Gentoo that helps telepathy-haze build with more
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/idle/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/idle/default.nix
index 95be1b07375..bc66d77e224 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/idle/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/idle/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, glib, dconf, pkgconfig, dbus-glib, telepathy-glib, libxslt, makeWrapper }:
+{ lib, stdenv, fetchurl, glib, dconf, pkg-config, dbus-glib, telepathy-glib, libxslt, makeWrapper }:
 
 stdenv.mkDerivation rec {
   pname = "telepathy-idle";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "1argdzbif1vdmwp5vqbgkadq9ancjmgdm2ncp0qfckni715ss4rh";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib telepathy-glib dbus-glib libxslt telepathy-glib.python (lib.getLib dconf) makeWrapper ];
 
   preFixup = ''
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
index 336bde0bb48..bae29f4b31f 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/logger/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, dbus-glib, libxml2, sqlite, telepathy-glib, pkgconfig
+{ lib, stdenv, fetchurl, dbus-glib, libxml2, sqlite, telepathy-glib, pkg-config
 , dconf, makeWrapper, intltool, libxslt, gobject-introspection, dbus }:
 
 stdenv.mkDerivation rec {
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    makeWrapper pkgconfig intltool libxslt gobject-introspection
+    makeWrapper pkg-config intltool libxslt gobject-introspection
   ];
   buildInputs = [
     dbus-glib libxml2 sqlite telepathy-glib
diff --git a/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix b/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
index dc0a16139ea..cf166f7e2d3 100644
--- a/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
+++ b/pkgs/applications/networking/instant-messengers/telepathy/salut/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl, libxslt, glib, libxml2, telepathy-glib, avahi, libsoup
-, libuuid, openssl, pcre, sqlite, pkgconfig }:
+, libuuid, openssl, pcre, sqlite, pkg-config }:
 
 stdenv.mkDerivation rec {
   pname = "telepathy-salut";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ glib libxml2 telepathy-glib avahi libsoup libuuid openssl
     sqlite pcre telepathy-glib.python ];
 
-  nativeBuildInputs = [ libxslt pkgconfig ];
+  nativeBuildInputs = [ libxslt pkg-config ];
 
   configureFlags = [ "--disable-avahi-tests" ];
 
diff --git a/pkgs/applications/networking/instant-messengers/toxic/default.nix b/pkgs/applications/networking/instant-messengers/toxic/default.nix
index 51c05523160..e59e5864432 100644
--- a/pkgs/applications/networking/instant-messengers/toxic/default.nix
+++ b/pkgs/applications/networking/instant-messengers/toxic/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchFromGitHub, libsodium, ncurses, curl
-, libtoxcore, openal, libvpx, freealut, libconfig, pkgconfig, libopus
+, libtoxcore, openal, libvpx, freealut, libconfig, pkg-config, libopus
 , qrencode, gdk-pixbuf, libnotify }:
 
 stdenv.mkDerivation rec {
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
   ] ++ lib.optionals (!stdenv.isAarch32) [
     openal libopus libvpx freealut qrencode
   ];
-  nativeBuildInputs = [ pkgconfig libconfig ];
+  nativeBuildInputs = [ pkg-config libconfig ];
 
   meta = with lib; {
     description = "Reference CLI for Tox";
diff --git a/pkgs/applications/networking/instant-messengers/utox/default.nix b/pkgs/applications/networking/instant-messengers/utox/default.nix
index 01f2b9c5644..668e614c474 100644
--- a/pkgs/applications/networking/instant-messengers/utox/default.nix
+++ b/pkgs/applications/networking/instant-messengers/utox/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, check, cmake, pkgconfig
+{ lib, stdenv, fetchFromGitHub, check, cmake, pkg-config
 , libtoxcore, filter-audio, dbus, libvpx, libX11, openal, freetype, libv4l
 , libXrender, fontconfig, libXext, libXft, libsodium, libopus }:
 
@@ -22,7 +22,7 @@ stdenv.mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    cmake pkgconfig
+    cmake pkg-config
   ];
 
   cmakeFlags = [
diff --git a/pkgs/applications/networking/irc/hexchat/default.nix b/pkgs/applications/networking/irc/hexchat/default.nix
index 19f398bc59a..2a91e3ebddc 100644
--- a/pkgs/applications/networking/irc/hexchat/default.nix
+++ b/pkgs/applications/networking/irc/hexchat/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, fetchpatch, pkgconfig, gtk2, lua, perl, python3
+{ lib, stdenv, fetchFromGitHub, fetchpatch, pkg-config, gtk2, lua, perl, python3
 , pciutils, dbus-glib, libcanberra-gtk2, libproxy
 , enchant2, libnotify, openssl, isocodes
 , desktop-file-utils
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     sha256 = "08kvp0dcn3bvmlqcfp9312075bwkqkpa8m7zybr88pfp210gfl85";
   };
 
-  nativeBuildInputs = [ meson ninja pkgconfig ];
+  nativeBuildInputs = [ meson ninja pkg-config ];
 
   buildInputs = [
     gtk2 lua perl python3 pciutils dbus-glib libcanberra-gtk2 libproxy
diff --git a/pkgs/applications/networking/irc/irssi/default.nix b/pkgs/applications/networking/irc/irssi/default.nix
index 9061ac34fe3..91617a26782 100644
--- a/pkgs/applications/networking/irc/irssi/default.nix
+++ b/pkgs/applications/networking/irc/irssi/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, ncurses, glib, openssl, perl, libintl, libgcrypt, libotr }:
+{ lib, stdenv, fetchurl, pkg-config, ncurses, glib, openssl, perl, libintl, libgcrypt, libotr }:
 
 stdenv.mkDerivation rec {
   pname = "irssi";
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "0g2nxazn4lszmd6mf1s36x5ablk4999g1qx7byrnvgnjsihjh62k";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ ncurses glib openssl perl libintl libgcrypt libotr ];
 
   configureFlags = [
diff --git a/pkgs/applications/networking/irc/irssi/fish/default.nix b/pkgs/applications/networking/irc/irssi/fish/default.nix
index 5c1c9743621..d3b814fb161 100644
--- a/pkgs/applications/networking/irc/irssi/fish/default.nix
+++ b/pkgs/applications/networking/irc/irssi/fish/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, irssi, gmp, automake, autoconf, libtool, openssl, glib, pkgconfig }:
+{ lib, stdenv, fetchurl, irssi, gmp, automake, autoconf, libtool, openssl, glib, pkg-config }:
 
 stdenv.mkDerivation rec {
   name = "fish-irssi-20130413-e98156bebd";
@@ -21,7 +21,7 @@ stdenv.mkDerivation rec {
     cp src/.libs/libfish.so $out/lib/irssi/modules
   '';
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ gmp automake autoconf libtool openssl glib ];
 
   meta = {
diff --git a/pkgs/applications/networking/irc/kvirc/default.nix b/pkgs/applications/networking/irc/kvirc/default.nix
index 6fd66096b5b..cfc03fe37d3 100644
--- a/pkgs/applications/networking/irc/kvirc/default.nix
+++ b/pkgs/applications/networking/irc/kvirc/default.nix
@@ -1,6 +1,6 @@
 { lib, mkDerivation, fetchFromGitHub
 , qtbase, qtmultimedia, qtsvg, qtx11extras
-, pkgconfig, cmake, gettext
+, pkg-config, cmake, gettext
 }:
 
 mkDerivation rec {
@@ -19,7 +19,7 @@ mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig cmake gettext
+    pkg-config cmake gettext
   ];
 
   meta = with lib; {
diff --git a/pkgs/applications/networking/libcoap/default.nix b/pkgs/applications/networking/libcoap/default.nix
index 188d19d5968..643941b5fa8 100644
--- a/pkgs/applications/networking/libcoap/default.nix
+++ b/pkgs/applications/networking/libcoap/default.nix
@@ -1,4 +1,4 @@
-{ fetchFromGitHub, automake, autoconf, which, pkgconfig, libtool, lib, stdenv }:
+{ fetchFromGitHub, automake, autoconf, which, pkg-config, libtool, lib, stdenv }:
 stdenv.mkDerivation rec {
   pname = "libcoap";
   version = "4.2.1";
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     autoconf
     which
     libtool
-    pkgconfig
+    pkg-config
   ];
   preConfigure = "./autogen.sh";
   configureFlags = [
diff --git a/pkgs/applications/networking/mailreaders/balsa/default.nix b/pkgs/applications/networking/mailreaders/balsa/default.nix
index 2570e425ae7..2f9832d9193 100644
--- a/pkgs/applications/networking/mailreaders/balsa/default.nix
+++ b/pkgs/applications/networking/mailreaders/balsa/default.nix
@@ -15,7 +15,7 @@
 , libnotify
 , libsecret
 , openssl
-, pkgconfig
+, pkg-config
 , webkitgtk
 , wrapGAppsHook
 }:
@@ -30,7 +30,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     intltool
     gobject-introspection
     wrapGAppsHook
diff --git a/pkgs/applications/networking/mailreaders/claws-mail/default.nix b/pkgs/applications/networking/mailreaders/claws-mail/default.nix
index 975ace086f5..b745a842b9f 100644
--- a/pkgs/applications/networking/mailreaders/claws-mail/default.nix
+++ b/pkgs/applications/networking/mailreaders/claws-mail/default.nix
@@ -1,7 +1,7 @@
 { lib, config, fetchurl, stdenv, wrapGAppsHook, autoreconfHook
 , curl, dbus, dbus-glib, enchant, gtk2, gnutls, gnupg, gpgme, gumbo
 , libarchive, libcanberra-gtk2, libetpan, libnotify, libsoup, libxml2, networkmanager
-, openldap, perl, pkgconfig, poppler, python, shared-mime-info
+, openldap, perl, pkg-config, poppler, python, shared-mime-info
 , glib-networking, gsettings-desktop-schemas, libSM, libytnef, libical
 # Build options
 # TODO: A flag to build the manual.
@@ -54,7 +54,7 @@ stdenv.mkDerivation rec {
         --subst-var-by MIMEROOTDIR ${shared-mime-info}/share
   '';
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig wrapGAppsHook python.pkgs.wrapPython ];
+  nativeBuildInputs = [ autoreconfHook pkg-config wrapGAppsHook python.pkgs.wrapPython ];
   propagatedBuildInputs = with python.pkgs; [ python ] ++ optionals enablePluginPython [ pygtk pygobject2 ];
 
   buildInputs =
diff --git a/pkgs/applications/networking/mailreaders/claws-mail/gtk3.nix b/pkgs/applications/networking/mailreaders/claws-mail/gtk3.nix
index 3a828b631a3..d5223092446 100644
--- a/pkgs/applications/networking/mailreaders/claws-mail/gtk3.nix
+++ b/pkgs/applications/networking/mailreaders/claws-mail/gtk3.nix
@@ -1,7 +1,7 @@
 { lib, config, fetchgit, stdenv, wrapGAppsHook, autoreconfHook, bison, flex
 , curl, dbus, dbus-glib, enchant, gtk3, gnutls, gnupg, gpgme
 , libarchive, libcanberra-gtk3, libetpan, libnotify, libsoup, libxml2, networkmanager
-, openldap, perl, pkgconfig, poppler, python, shared-mime-info, webkitgtk
+, openldap, perl, pkg-config, poppler, python, shared-mime-info, webkitgtk
 , glib-networking, gsettings-desktop-schemas, libSM, libytnef, libical
 # Build options
 # TODO: A flag to build the manual.
@@ -55,7 +55,7 @@ stdenv.mkDerivation rec {
         --subst-var-by MIMEROOTDIR ${shared-mime-info}/share
   '';
 
-  nativeBuildInputs = [ autoreconfHook bison flex pkgconfig wrapGAppsHook python.pkgs.wrapPython ];
+  nativeBuildInputs = [ autoreconfHook bison flex pkg-config wrapGAppsHook python.pkgs.wrapPython ];
   propagatedBuildInputs = with python.pkgs; [ python ] ++ optionals enablePluginPython [ pygtk pygobject2 ];
 
   buildInputs =
diff --git a/pkgs/applications/networking/mailreaders/hasmail/default.nix b/pkgs/applications/networking/mailreaders/hasmail/default.nix
index a097fd0dd8a..b2ec2a743f3 100644
--- a/pkgs/applications/networking/mailreaders/hasmail/default.nix
+++ b/pkgs/applications/networking/mailreaders/hasmail/default.nix
@@ -1,7 +1,7 @@
 { lib
 , buildGoModule
 , fetchFromGitHub
-, pkgconfig
+, pkg-config
 , gobject-introspection
 , pango
 , cairo
@@ -24,7 +24,7 @@ buildGoModule rec {
   doCheck = false;
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
   ];
 
   buildInputs = [
diff --git a/pkgs/applications/networking/mailreaders/lumail/default.nix b/pkgs/applications/networking/mailreaders/lumail/default.nix
index 0f1f2e52d85..878b778c5a5 100644
--- a/pkgs/applications/networking/mailreaders/lumail/default.nix
+++ b/pkgs/applications/networking/mailreaders/lumail/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, lua, file, ncurses, gmime, pcre-cpp
+{ lib, stdenv, fetchurl, pkg-config, lua, file, ncurses, gmime, pcre-cpp
 , perl, perlPackages, makeWrapper
 , debugBuild ? false
 , alternativeGlobalConfigFilePath ? null
@@ -35,7 +35,7 @@ stdenv.mkDerivation {
 
   enableParallelBuilding = true;
 
-  nativeBuildInputs = [ pkgconfig makeWrapper ];
+  nativeBuildInputs = [ pkg-config makeWrapper ];
   buildInputs = [
     lua file ncurses gmime pcre-cpp
     perl perlPackages.JSON perlPackages.NetIMAPClient
diff --git a/pkgs/applications/networking/mailreaders/meli/default.nix b/pkgs/applications/networking/mailreaders/meli/default.nix
index 519448c3ade..2ced5e60db4 100644
--- a/pkgs/applications/networking/mailreaders/meli/default.nix
+++ b/pkgs/applications/networking/mailreaders/meli/default.nix
@@ -2,7 +2,7 @@
 , lib
 , fetchgit
 , rustPlatform
-, pkgconfig
+, pkg-config
 , openssl
 , dbus
 , sqlite
@@ -28,7 +28,7 @@ rustPlatform.buildRustPackage rec {
 
   cargoBuildFlags = lib.optional withNotmuch "--features=notmuch";
 
-  nativeBuildInputs = [ pkgconfig gzip makeWrapper ];
+  nativeBuildInputs = [ pkg-config gzip makeWrapper ];
 
   buildInputs = [ openssl dbus sqlite ] ++ lib.optional withNotmuch notmuch;
 
diff --git a/pkgs/applications/networking/mailreaders/notbit/default.nix b/pkgs/applications/networking/mailreaders/notbit/default.nix
index 1f7bbf5c712..5c979bde604 100644
--- a/pkgs/applications/networking/mailreaders/notbit/default.nix
+++ b/pkgs/applications/networking/mailreaders/notbit/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkgconfig,
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config,
   gettext, openssl
 }:
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     sha256 = "1623n0lvx42mamvb2vwin5i38hh0nxpxzmkr5188ss2x7m20lmii";
   };
 
-  nativeBuildInputs = [ autoreconfHook pkgconfig ];
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
 
   buildInputs = [ openssl gettext ];
 
diff --git a/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix b/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
index fcb92d3fcc1..64ebb78a12d 100644
--- a/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch-addrlookup/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, pkgconfig, glib, notmuch }:
+{ lib, stdenv, fetchFromGitHub, pkg-config, glib, notmuch }:
 
 let
   version = "9";
@@ -14,7 +14,7 @@ stdenv.mkDerivation {
     sha256 = "1j3zdx161i1x4w0nic14ix5i8hd501rb31daf8api0k8855sx4rc";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ glib notmuch ];
 
   installPhase = "install -D notmuch-addrlookup $out/bin/notmuch-addrlookup";
diff --git a/pkgs/applications/networking/mailreaders/notmuch/default.nix b/pkgs/applications/networking/mailreaders/notmuch/default.nix
index 59c7b6bf9d4..c39654d1c29 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/default.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/default.nix
@@ -1,5 +1,5 @@
 { fetchurl, fetchgit, lib, stdenv
-, pkgconfig, gnupg
+, pkg-config, gnupg
 , xapian, gmime, talloc, zlib
 , doxygen, perl, texinfo
 , pythonPackages
@@ -27,7 +27,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     doxygen                   # (optional) api docs
     pythonPackages.sphinx     # (optional) documentation -> doc/INSTALL
     texinfo                   # (optional) documentation -> doc/INSTALL
diff --git a/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix b/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
index de248faace7..fc8c83f216c 100644
--- a/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
+++ b/pkgs/applications/networking/mailreaders/notmuch/muchsync.nix
@@ -1,5 +1,5 @@
 { lib, stdenv, fetchurl
-, notmuch, openssl, pkgconfig, sqlite, xapian, zlib
+, notmuch, openssl, pkg-config, sqlite, xapian, zlib
 }:
 stdenv.mkDerivation rec {
   version = "5";
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     url = "http://www.muchsync.org/src/${pname}-${version}.tar.gz";
     sha256 = "1k2m44pj5i6vfhp9icdqs42chsp208llanc666p3d9nww8ngq2lb";
   };
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ notmuch openssl sqlite xapian zlib ];
   meta = {
     description = "Synchronize maildirs and notmuch databases";
diff --git a/pkgs/applications/networking/mailreaders/sylpheed/default.nix b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
index 1b6cc50ffdf..5caaa9ce6e1 100644
--- a/pkgs/applications/networking/mailreaders/sylpheed/default.nix
+++ b/pkgs/applications/networking/mailreaders/sylpheed/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, pkgconfig, gtk2, openssl ? null, gpgme ? null
+{ lib, stdenv, fetchurl, pkg-config, gtk2, openssl ? null, gpgme ? null
 , gpgSupport ? true, sslSupport ? true }:
 
 assert gpgSupport -> gpgme != null;
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
     sha256 = "0j9y5vdzch251s264diw9clrn88dn20bqqkwfmis9l7m8vmwasqd";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
 
   buildInputs = [ gtk2 ]
     ++ optionals gpgSupport [ gpgme ]
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/68.nix b/pkgs/applications/networking/mailreaders/thunderbird/68.nix
index ec26384261f..f3594d97801 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/68.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/68.nix
@@ -37,7 +37,7 @@
 , nss
 , pango
 , perl
-, pkgconfig
+, pkg-config
 , python2
 , python3
 , runtimeShell
@@ -91,7 +91,7 @@ stdenv.mkDerivation rec {
     nasm
     nodejs
     perl
-    pkgconfig
+    pkg-config
     python2
     python3
     rust-cbindgen
diff --git a/pkgs/applications/networking/mailreaders/thunderbird/default.nix b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
index ab4078d6a0d..e758249a71c 100644
--- a/pkgs/applications/networking/mailreaders/thunderbird/default.nix
+++ b/pkgs/applications/networking/mailreaders/thunderbird/default.nix
@@ -38,7 +38,7 @@
 , nss_3_53
 , pango
 , perl
-, pkgconfig
+, pkg-config
 , python2
 , python3
 , runtimeShell
@@ -92,7 +92,7 @@ stdenv.mkDerivation rec {
     nasm
     nodejs
     perl
-    pkgconfig
+    pkg-config
     python2
     python3
     rust-cbindgen
diff --git a/pkgs/applications/networking/mailreaders/trojita/default.nix b/pkgs/applications/networking/mailreaders/trojita/default.nix
index 51f6b4e0622..d7c7320b9e4 100644
--- a/pkgs/applications/networking/mailreaders/trojita/default.nix
+++ b/pkgs/applications/networking/mailreaders/trojita/default.nix
@@ -10,7 +10,7 @@
 , libsecret
 , mimetic
 , mkDerivation
-, pkgconfig
+, pkg-config
 , qgpgme
 , qtbase
 , qtkeychain
@@ -59,7 +59,7 @@ in mkDerivation rec {
 
   nativeBuildInputs = [
     cmake
-    pkgconfig
+    pkg-config
     qttools
     gnupg
   ];
diff --git a/pkgs/applications/networking/modem-manager-gui/default.nix b/pkgs/applications/networking/modem-manager-gui/default.nix
index 2b4dabbedc5..da36589aeec 100644
--- a/pkgs/applications/networking/modem-manager-gui/default.nix
+++ b/pkgs/applications/networking/modem-manager-gui/default.nix
@@ -1,5 +1,5 @@
 { lib, stdenv
-, pkgconfig
+, pkg-config
 , python3
 , fetchFromGitLab
 , gtk3
@@ -28,7 +28,7 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     python3
     perlPackages.Po4a
     itstool
diff --git a/pkgs/applications/networking/nextcloud-client/default.nix b/pkgs/applications/networking/nextcloud-client/default.nix
index bfc928cfbc6..42486458b2c 100644
--- a/pkgs/applications/networking/nextcloud-client/default.nix
+++ b/pkgs/applications/networking/nextcloud-client/default.nix
@@ -7,7 +7,7 @@
 , libsecret
 , openssl
 , pcre
-, pkgconfig
+, pkg-config
 , qtbase
 , qtkeychain
 , qttools
@@ -33,7 +33,7 @@ mkDerivation rec {
   ];
 
   nativeBuildInputs = [
-    pkgconfig
+    pkg-config
     cmake
   ];
 
diff --git a/pkgs/applications/networking/nntp-proxy/default.nix b/pkgs/applications/networking/nntp-proxy/default.nix
index 943947f389e..626913cd60a 100644
--- a/pkgs/applications/networking/nntp-proxy/default.nix
+++ b/pkgs/applications/networking/nntp-proxy/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, libconfig, pkgconfig, libevent, openssl }:
+{ lib, stdenv, fetchFromGitHub, libconfig, pkg-config, libevent, openssl }:
 
 stdenv.mkDerivation {
   pname = "nntp-proxy";
@@ -11,7 +11,7 @@ stdenv.mkDerivation {
     sha256 = "0jwxh71am83fbnq9mn06jl06rq8qybm506js79xmmc3xbk5pqvy4";
   };
 
-  nativeBuildInputs = [ pkgconfig ];
+  nativeBuildInputs = [ pkg-config ];
   buildInputs = [ libconfig libevent openssl ];
 
   installFlags = [ "INSTALL_DIR=$(out)/bin/" ];
diff --git a/pkgs/applications/networking/ping/default.nix b/pkgs/applications/networking/ping/default.nix
index a2d614ff542..40240565973 100644
--- a/pkgs/applications/networking/ping/default.nix
+++ b/pkgs/applications/networking/ping/default.nix
@@ -4,7 +4,7 @@
 , meson
 , ninja
 , vala
-, pkgconfig
+, pkg-config
 , pantheon
 , python3
 , glib
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     vala_0_40
-    pkgconfig
+    pkg-config
     python3
     wrapGAppsHook
   ];
diff --git a/pkgs/applications/networking/qv2ray/default.nix b/pkgs/applications/networking/qv2ray/default.nix
index fa8609ef532..7c3c23a89ee 100644
--- a/pkgs/applications/networking/qv2ray/default.nix
+++ b/pkgs/applications/networking/qv2ray/default.nix
@@ -8,7 +8,7 @@
 , grpc
 , protobuf
 , openssl
-, pkgconfig
+, pkg-config
 , c-ares
 , abseil-cpp
 , libGL
@@ -51,7 +51,7 @@ mkDerivation rec {
   nativeBuildInputs = [
     cmake
     clang
-    pkgconfig
+    pkg-config
     qmake
     qttools
   ];
diff --git a/pkgs/applications/networking/seafile-client/default.nix b/pkgs/applications/networking/seafile-client/default.nix
index fb0c0a18ac5..3e58e83143f 100644
--- a/pkgs/applications/networking/seafile-client/default.nix
+++ b/pkgs/applications/networking/seafile-client/default.nix
@@ -1,4 +1,4 @@
-{ mkDerivation, lib, fetchFromGitHub, pkgconfig, cmake, qtbase, qttools
+{ mkDerivation, lib, fetchFromGitHub, pkg-config, cmake, qtbase, qttools
 , seafile-shared, jansson, libsearpc
 , withShibboleth ? true, qtwebengine }:
 
@@ -13,7 +13,7 @@ mkDerivation rec {
     sha256 = "2vV+6ZXjVg81JVLfWeD0UK+RdmpBxBU2Ozx790WFSyw=";
   };
 
-  nativeBuildInputs = [ pkgconfig cmake ];
+  nativeBuildInputs = [ pkg-config cmake ];
   buildInputs = [ qtbase qttools seafile-shared jansson libsearpc ]
     ++ lib.optional withShibboleth qtwebengine;