Added ghc-6.12.1 release candidate.

svn path=/nixpkgs/trunk/; revision=17824

pkgs/development/compilers/ghc/6.12.1.nix

@@ -0,0 +1,38 @@
+{stdenv, fetchurl, ghc, perl, gmp, ncurses}:
+
+stdenv.mkDerivation rec {
+  version = "6.12.0.20091010";
+  
+  name = "ghc-${version}";
+  
+  homepage = "http://haskell.org/ghc";
+
+  src = fetchurl {
+    url = "http://darcs.haskell.org/~ghc/dist/6.12.1rc1/${name}-src.tar.bz2";
+    sha256 = "903552917778329fc79cc273ece81030324006f47157ddd4278cb08c1c637fd3";
+  };
+
+  buildInputs = [ghc perl gmp ncurses];
+
+  buildMK = ''
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-libraries="${gmp}/lib"
+    libraries/integer-gmp_CONFIGURE_OPTS += --configure-option=--with-gmp-includes="${gmp}/include"
+  '';
+
+  preConfigure = ''
+    echo "${buildMK}" > mk/build.mk
+  '';
+
+  configureFlags=[
+    "--with-gcc=${stdenv.gcc}/bin/gcc"
+  ];
+
+  # required, because otherwise all symbols from HSffi.o are stripped, and
+  # that in turn causes GHCi to abort
+  stripDebugFlags=["-S" "--keep-file-symbols"];
+
+  meta = {
+    inherit homepage;
+    description = "The Glasgow Haskell Compiler";
+  };
+}

pkgs/top-level/all-packages.nix

@@ -1999,6 +1999,14 @@ let
     };
   });
 
+  haskellPackages_ghc6121 = import ./haskell-packages.nix {
+    inherit pkgs;
+    ghc = import ../development/compilers/ghc/6.12.1.nix {
+      inherit fetchurl stdenv perl ncurses gmp;
+      ghc = ghc6101Binary;
+    };
+  };
+
   haskellPackages_ghcHEAD = import ./haskell-packages.nix {
     inherit pkgs;
     ghc = import ../development/compilers/ghc/6.11.nix {