Add ccache, a compiler cache.

svn path=/nixpkgs/trunk/; revision=10644

pkgs/development/tools/misc/ccache/default.nix

@@ -0,0 +1,15 @@
+{stdenv, fetchurl}:
+
+stdenv.mkDerivation {
+  name = "ccache-2.4";
+  src = fetchurl {
+    url = http://samba.org/ftp/ccache/ccache-2.4.tar.gz;
+    sha256 = "435f862ca5168c346f5aa9e242174bbf19a5abcaeecfceeac2f194558827aaa0";
+  };
+
+  meta = {
+    description = "ccache, a tool that caches compilation results.";
+    homepage = http://ccache.samba.org/;
+    license = "GPL";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1731,6 +1731,10 @@ rec {
     inherit fetchurl stdenv m4;
   };
 
+  ccache = import ../development/tools/misc/ccache {
+    inherit fetchurl stdenv;
+  };
+
   ctags = import ../development/tools/misc/ctags {
     inherit fetchurl stdenv;
   };