mate.eom: Apply hack for GCC symlink changes

... before 2b21c29f9a lands master.

pkgs/desktops/mate/eom/default.nix

@@ -50,6 +50,12 @@ stdenv.mkDerivation rec {
     hicolor-icon-theme
   ];
 
+  # FIXME: ugly hack for https://github.com/NixOS/nixpkgs/pull/389009
+  postConfigure = ''
+    substituteInPlace libtool \
+      --replace-warn 'for search_ext in .la $std_shrext .so .a' 'for search_ext in $std_shrext .so .a'
+  '';
+
   enableParallelBuilding = true;
 
   passthru.updateScript = mateUpdateScript { inherit pname; };