libclc: Add derivation

pkgs/development/libraries/libclc/default.nix

@@ -0,0 +1,30 @@
+{ stdenv, fetchsvn, python, llvm, clang }:
+
+stdenv.mkDerivation {
+  name = "libclc-2015-03-27";
+
+  src = fetchsvn {
+    url = "http://llvm.org/svn/llvm-project/libclc/trunk";
+    rev = "233456";
+    sha256 = "0g56kgffc1qr9rzhcjr4w8kljcicg0q828s9b4bmfzjvywd7hhr0";
+  };
+
+  buildInputs = [ python llvm clang ];
+
+  postPatch = ''
+    sed -i 's,llvm_clang =.*,llvm_clang = "${clang}/bin/clang",' configure.py
+    sed -i 's,cxx_compiler =.*,cxx_compiler = "${clang}/bin/clang++",' configure.py
+  '';
+
+  configurePhase = ''
+    python2 ./configure.py --prefix=$out
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = http://libclc.llvm.org/;
+    description = "implementation of the library requirements of the OpenCL C programming language";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ wkennington ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -6209,6 +6209,8 @@ let
 
   libchop = callPackage ../development/libraries/libchop { };
 
+  libclc = callPackage ../development/libraries/libclc { };
+
   libcli = callPackage ../development/libraries/libcli { };
 
   libcm = callPackage ../development/libraries/libcm { };