Merge pull request #227027 from wegank/lablgl-fix

ocamlPackages.lablgl: unbreak on darwin

pkgs/applications/science/math/glsurf/default.nix

···
     homepage = "https://raffalli.eu/~christophe/glsurf/";
     description = "A program to draw implicit surfaces and curves";
     license = lib.licenses.gpl2Plus;
+    platforms = lib.platforms.all;
   };
 }

pkgs/development/ocaml-modules/lablgl/default.nix

···
-{ lib, stdenv, fetchFromGitHub, ocaml, findlib, libGLU, libGL, freeglut } :
+{ lib, stdenv, fetchFromGitHub, ocaml, findlib, libGLU, libGL, freeglut, darwin } :
 
 if lib.versionOlder ocaml.version "4.03"
 then throw "lablgl is not available for OCaml ${ocaml.version}"
···
 
   nativeBuildInputs = [ ocaml findlib ];
   buildInputs = [ freeglut ];
-  propagatedBuildInputs = [ libGLU libGL ];
+  propagatedBuildInputs = [
+    libGLU
+    libGL
+  ] ++ lib.optionals stdenv.isDarwin [
+    darwin.apple_sdk.frameworks.GLUT
+    darwin.apple_sdk.libs.Xplugin
+  ];
 
   patches = [ ./Makefile.config.patch ./META.patch ];
 
···
     license = licenses.gpl2;
     maintainers = with maintainers; [ pSub vbgl ];
     mainProgram = "lablglut";
-    broken = stdenv.isDarwin;
   };
 }