1 files changed, 12 insertions, 5 deletions
diff --git a/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix b/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
index 1b7a092cec676..9b0fe07653c43 100644
--- a/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
+++ b/pkgs/development/libraries/haskell/gtk2hs-buildtools/default.nix
@@ -1,13 +1,20 @@
-{cabal, alex, happy}:
+{ cabal, alex, happy }:
 
-cabal.mkDerivation (self : {
+cabal.mkDerivation (self: {
   pname = "gtk2hs-buildtools";
   version = "0.12.0";
   sha256 = "1czlmyr9zhzc0h1j0z3chv06ma77cibq2yc6h1slfphb1lkv66a8";
-  extraBuildInputs = [alex happy];
+  isLibrary = false;
+  isExecutable = true;
+  buildTools = [ alex happy ];
   meta = {
+    homepage = "http://www.haskell.org/gtk2hs/";
     description = "Tools to build the Gtk2Hs suite of User Interface libraries";
-    license = "GPL";
-    maintainers = [self.stdenv.lib.maintainers.andres];
+    license = self.stdenv.lib.licenses.gpl2;
+    platforms = self.ghc.meta.platforms;
+    maintainers = [
+      self.stdenv.lib.maintainers.andres
+      self.stdenv.lib.maintainers.simons
+    ];
   };
 })