Updating wings and dependencies to match erlang

I updated the erlang esdl lib, added the erlang cl lib,
added opencl-headers and ocl-icd to make wings build and run.

I have not tested its opencl part; I only added dependencies so
it builds.

pkgs/applications/graphics/wings/default.nix

@@ -1,29 +1,34 @@
-{ fetchurl, stdenv, erlang, esdl }:
+{ fetchurl, stdenv, erlang, esdl, cl }:
 
 stdenv.mkDerivation rec {
-  name = "wings-1.4.1";
+  name = "wings-1.5.4";
   src = fetchurl {
     url = "mirror://sourceforge/wings/${name}.tar.bz2";
-    sha256 = "16kqy92rapmbvkc58mc50cidp1pm8nlwlwx69riyadc9w4qs9bji";
+    sha256 = "0qz6rmmkqgk3p0d3v2ikkf22n511bq0m7xp3kkradwrp28fcl15x";
   };
 
-  ERL_LIBS = "${esdl}/lib/erlang/addons";
+  ERL_LIBS = "${esdl}/lib/erlang/lib:${cl}/lib/erlang/lib";
 
   patchPhase = ''
     sed -i 's,include("sdl_keyboard.hrl"),include_lib("esdl/include/sdl_keyboard.hrl"),' \
       src/wings_body.erl plugins_src/commands/wpc_constraints.erl
+
+    # Fix reference
+    sed -i 's,wings/e3d/,,' plugins_src/import_export/wpc_lwo.erl
   '';
 
-  buildInputs = [ erlang esdl ];
+  buildInputs = [ erlang esdl cl ];
 
+  # I did not test the *cl* part. I added the -pa just by imitation.
   installPhase = ''
     mkdir -p $out/bin $out/lib/${name}/ebin
     cp ebin/* $out/lib/${name}/ebin
     cp -R fonts textures shaders plugins $out/lib/$name
     cat << EOF > $out/bin/wings
     #!/bin/sh
-    export ROOTDIR=$out/lib/erlang/addons/${name}
-    ${erlang}/bin/erl -smp disable -pa ${esdl}/lib/erlang/addons/${esdl.name}/ebin \
+    ${erlang}/bin/erl -smp disable \
+      -pa ${esdl}/lib/erlang/lib/${cl.name}/ebin \
+      -pa ${esdl}/lib/erlang/lib/${esdl.name}/ebin \
       -pa $out/lib/${name}/ebin -run wings_start start_halt "$@"
     EOF
     chmod +x $out/bin/wings