use gmp 4.3.2 on i686-darwin

svn path=/nixpkgs/trunk/; revision=19864

pkgs/development/libraries/gmp/4.3.2.nix

@@ -0,0 +1,24 @@
+{stdenv, fetchurl, m4, cxx ? true}:
+
+stdenv.mkDerivation rec {
+  name = "gmp-4.3.1";
+
+  src = fetchurl {
+    url = "mirror://gnu/gmp/${name}.tar.bz2";
+    sha256 = "1j5pklq36ivg2cim5wfysns229a544lqkimp3mlzkwjl513ra0ma";
+  };
+
+  buildInputs = [m4];
+
+  preConfigure = "ln -sf configfsf.guess config.guess";
+
+  configureFlags = if cxx then "--enable-cxx" else "--disable-cxx";
+
+  doCheck = true;
+
+  meta = {
+    description = "A free library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers";
+    homepage = http://gmplib.org/;
+    license = "LGPL";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -3736,10 +3736,17 @@ let
     inherit fetchurl stdenv;
   };
 
-  gmp = makeOverridable (import ../development/libraries/gmp) {
-    inherit stdenv fetchurl m4;
-    cxx = false;
-  };
+  gmp = 
+    if stdenv.system == "i686-darwin" then
+      makeOverridable (import ../development/libraries/gmp/4.3.2.nix) {
+        inherit stdenv fetchurl m4;
+        cxx = false;
+      }
+    else 
+      makeOverridable (import ../development/libraries/gmp) {
+        inherit stdenv fetchurl m4;
+        cxx = false;
+      };
 
   gmpxx = gmp.override { cxx = true; };