Merge pull request #219604 from wegank/glsurf-ocaml

glsurf: migrate to OCaml 4.14

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

@@ -40,7 +40,8 @@ stdenv.mkDerivation rec {
   ] ++ (with ocamlPackages; [
     camlp4
     lablgl
-    camlimages_4_2_4
+    camlimages
+    num
   ]);
 
   postPatch = ''
@@ -48,6 +49,9 @@ stdenv.mkDerivation rec {
       substituteInPlace "$f" --replace "+camlp4" \
         "${ocamlPackages.camlp4}/lib/ocaml/${ocamlPackages.ocaml.version}/site-lib/camlp4"
     done
+
+    # Fatal error: exception Sys_error("Mutex.unlock: Operation not permitted")
+    sed -i "/gl_started/d" src/draw.ml* src/main.ml
   '';
 
   installPhase = ''

pkgs/top-level/all-packages.nix

@@ -20179,7 +20179,9 @@ with pkgs;
   glpk = callPackage ../development/libraries/glpk { };
 
   glsurf = callPackage ../applications/science/math/glsurf {
-    ocamlPackages = ocaml-ng.ocamlPackages_4_05;
+    ocamlPackages = ocaml-ng.mkOcamlPackages (ocaml-ng.ocamlPackages_4_14.ocaml.override {
+      unsafeStringSupport = true;
+    });
   };
 
   glui = callPackage ../development/libraries/glui {};