anchor.diff:      ln -sr -t "$out/include/" "$out"/lib/*/include/* 2>/dev/null || true
     '';
   
  -  channel = "2.50";
  -  version = "${channel}.3";
  +  channel = "2.52";
  +  version = "${channel}.0";
   in
   
   assert stdenv.cc.isGNU;
  
positive.code:     "--disable-included-printf"
      "--${boolEn (libselinux != null)}-selinux"
      "--disable-fam"
      "--${boolEn (attr != null)}-xattr" # glibc or attr
      "--${boolEn (libelf != null)}-libelf"
      "--${boolEn (util-linux_lib != null)}-libmount"
      "--disable-gtk-doc"
  
negative.code:   src = fetchurl {
      url = "mirror://gnome/sources/glib/${channel}/${name}.tar.xz";
      hashOutput = false;
      sha256 = "4578e3e077b1b978cafeec8d28b676c680aba0c0475923874c4c993403df311a";
    };
  
    nativeBuildInputs = [
  