ginac: fix build on darwin (close #944)

1 files changed, 8 insertions, 7 deletions

diff --git a/pkgs/applications/science/math/ginac/default.nix b/pkgs/applications/science/math/ginac/default.nix
index 9bffc5548dd0f..9ea43023d57c0 100644
--- a/pkgs/applications/science/math/ginac/default.nix
+++ b/pkgs/applications/science/math/ginac/default.nix
@@ -1,24 +1,25 @@
-{ stdenv, fetchurl, cln, pkgconfig, readline }:
+{ stdenv, fetchurl, cln, pkgconfig, readline, gmp }:
 
 stdenv.mkDerivation rec {
   name = "ginac-1.6.2";
 
   src = fetchurl {
-    url = "${meta.homepage}/${name}.tar.bz2";
+    url    = "${meta.homepage}/${name}.tar.bz2";
     sha256 = "1pivcqqaf142l6vrj2azq6dxrcyzhag4za2dwicb4gsb09ax4d0g";
   };
 
   propagatedBuildInputs = [ cln ];
-  buildInputs = [ readline ];
+
+  buildInputs = [ readline ] ++ stdenv.lib.optional stdenv.isDarwin gmp;
 
   nativeBuildInputs = [ pkgconfig ];
 
   configureFlags = "--disable-rpath";
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "GiNaC is Not a CAS";
-    homepage = http://www.ginac.de/;
-    platforms = stdenv.lib.platforms.all;
-    maintainers = [ stdenv.lib.maintainers.urkud ];
+    homepage    = http://www.ginac.de/;
+    maintainers = with maintainers; [ lovek323 urkud ];
+    platforms   = platforms.all;
   };
 }