anchor.diff:      # M4 macros are not installed by meson, but still needed by other
       # packages during the meson transition.
       for i in 'glib-2.0.m4' 'glib-gettext.m4' 'gsettings.m4'; do
  +      ! test -e "$out"/share/aclocal/"$i"
         install -D -m 644 -v m4macros/"$i" "$out"/share/aclocal/"$i"
       done
     '';
  
positive.code:   src = fetchurl {
      url = "mirror://gnome/sources/glib/${channel}/${name}.tar.xz";
      hashOutput = false;
      sha256 = "8f43c31767e88a25da72b52a40f3301fefc49a665b56dc10ee7cc9565cbe7481";
    };
  
    nativeBuildInputs = [
  
negative.code:     ln -sr -t "$out/include/" "$out"/lib/*/include/* 2>/dev/null || true
    '';
  
    channel = "2.60";
    version = "${channel}.2";
  in
  stdenv.mkDerivation rec {
    name = "glib-${version}";
  