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-rw-r--r--pkgs/development/compilers/ocaml/4.01.0.nix23
1 files changed, 18 insertions, 5 deletions
diff --git a/pkgs/development/compilers/ocaml/4.01.0.nix b/pkgs/development/compilers/ocaml/4.01.0.nix
index c11bb7536be..0f68014fad6 100644
--- a/pkgs/development/compilers/ocaml/4.01.0.nix
+++ b/pkgs/development/compilers/ocaml/4.01.0.nix
@@ -1,13 +1,24 @@
-{ stdenv, fetchurl, ncurses, x11 }:
+let
+  safeX11 = stdenv: !(stdenv.isArm || stdenv.isMips);
+in
+
+{ stdenv, fetchurl, ncurses, buildEnv, libX11, xproto, useX11 ? safeX11 stdenv }:
+
+if useX11 && !(safeX11 stdenv)
+  then throw "x11 not available in ocaml with arm or mips arch"
+  else # let the indentation flow
 
 let
-   useX11 = !stdenv.isArm && !stdenv.isMips;
    useNativeCompilers = !stdenv.isMips;
    inherit (stdenv.lib) optionals optionalString;
 in
 
 stdenv.mkDerivation rec {
 
+  x11env = buildEnv { name = "x11env"; paths = [libX11 xproto]; };
+  x11lib = x11env + "/lib";
+  x11inc = x11env + "/include";
+
   name = "ocaml-4.01.0";
 
   src = fetchurl {
@@ -16,9 +27,11 @@ stdenv.mkDerivation rec {
   };
 
   prefixKey = "-prefix ";
-  configureFlags = ["-no-tk"] ++ optionals useX11 [ "-x11lib" x11 ];
+  configureFlags = ["-no-tk"] ++ optionals useX11 [ "-x11lib" x11lib
+                                                    "-x11include" x11inc ];
+
   buildFlags = "world" + optionalString useNativeCompilers " bootstrap world.opt";
-  buildInputs = [ncurses] ++ optionals useX11 [ x11 ];
+  buildInputs = [ncurses] ++ optionals useX11 [ libX11 xproto ];
   installTargets = "install" + optionalString useNativeCompilers " installopt";
   preConfigure = ''
     CAT=$(type -tp cat)
@@ -35,7 +48,7 @@ stdenv.mkDerivation rec {
 
   meta = {
     homepage = http://caml.inria.fr/ocaml;
-    licenses = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
+    license = [ "QPL" /* compiler */ "LGPLv2" /* library */ ];
     description = "OCaml, the most popular variant of the Caml language";
 
     longDescription =