Merge pull request #4133 from vbgl/coq-8-3

Fixes coq-8.3: requires OCaml 3.12 and lablgtk 2.14

pkgs/development/ocaml-modules/lablgtk/2.14.0.nix

@@ -0,0 +1,37 @@
+{stdenv, fetchurl, ocaml, findlib, pkgconfig, gtk, libgnomecanvas, libglade, gtksourceview}:
+
+let
+  ocaml_version = (builtins.parseDrvName ocaml.name).version;
+  pname = "lablgtk";
+  version = "2.14.0";
+in
+
+stdenv.mkDerivation (rec {
+  name = "${pname}-${version}";
+
+  src = fetchurl {
+    url = "https://forge.ocamlcore.org/frs/download.php/561/${name}.tar.gz";
+    sha256 = "1fnh0amm7lwgyjdhmlqgsp62gwlar1140425yc1j6inwmgnsp0a9";
+  };
+
+  buildInputs = [ocaml findlib pkgconfig gtk libgnomecanvas libglade gtksourceview];
+
+  configureFlags = "--with-libdir=$(out)/lib/ocaml/${ocaml_version}/site-lib";
+  buildFlags = "world";
+
+  preInstall = ''
+    mkdir -p $out/lib/ocaml/${ocaml_version}/site-lib
+    export OCAMLPATH=$out/lib/ocaml/${ocaml_version}/site-lib/:$OCAMLPATH
+  '';
+
+  meta = {
+    platforms = ocaml.meta.platforms;
+    maintainers = [
+      stdenv.lib.maintainers.z77z
+      stdenv.lib.maintainers.roconnor
+    ];
+    homepage = http://wwwfun.kurims.kyoto-u.ac.jp/soft/lsl/lablgtk.html;
+    description = "LablGTK is is an Objective Caml interface to gtk+";
+    license = stdenv.lib.licenses.lgpl21Plus;
+  };
+})

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

@@ -6,6 +6,8 @@ let
   version = "2.16.0";
 in
 
+assert stdenv.lib.versionAtLeast ocaml_version "3.12";
+
 stdenv.mkDerivation (rec {
   name = "${pname}-${version}";
   src = fetchurl {