Merge commit staging+systemd into closure-size

Many non-conflict problems weren't (fully) resolved in this commit yet.

pkgs/development/libraries/gdk-pixbuf/default.nix

@@ -1,16 +1,16 @@
 { stdenv, fetchurl, pkgconfig, glib, libtiff, libjpeg, libpng, libX11
-, jasper, libintlOrEmpty, gobjectIntrospection }:
+, jasper, libintlOrEmpty, gobjectIntrospection, doCheck ? false }:
 
 let
-  ver_maj = "2.31";
-  ver_min = "3";
+  ver_maj = "2.32";
+  ver_min = "0";
 in
 stdenv.mkDerivation rec {
   name = "gdk-pixbuf-${ver_maj}.${ver_min}";
 
   src = fetchurl {
     url = "mirror://gnome/sources/gdk-pixbuf/${ver_maj}/${name}.tar.xz";
-    sha256 = "ddd861747bb7c580acce7cfa3ce38c3f52a9516e66a6477988fd100c8fb9eabc";
+    sha256 = "0rqvj5gcs2zfyyg9llm289b0xkj4mrhzxfjpjja0wx1m6vn5axjk";
   };
 
   outputs = [ "dev" "out" "bin" "doc" ];
@@ -30,7 +30,8 @@ stdenv.mkDerivation rec {
     + stdenv.lib.optionalString (gobjectIntrospection != null) " --enable-introspection=yes"
     ;
 
-  doCheck = true;
+  # The tests take an excessive amount of time (> 1.5 hours) and memory (> 6 GB).
+  inherit (doCheck);
 
   # propagate the bin output
   postPhases = "postPostFixup";