diff --git a/pkgs/development/libraries/libc++/default.nix b/pkgs/development/libraries/libc++/default.nix
new file mode 100644
index 000000000000..bed953119151
--- /dev/null
+++ b/pkgs/development/libraries/libc++/default.nix
@@ -0,0 +1,28 @@
+{ stdenv, fetchsvn, cmake }:
+
+let rev = "165151"; in
+
+stdenv.mkDerivation {
+  name = "libc++-pre${rev}";
+
+  src = fetchsvn {
+    url = "http://llvm.org/svn/llvm-project/libcxx/trunk";
+    inherit rev;
+    sha256 = "00l8xx5nc3cjlmln7c1sy1i4v844has9kbfxrsziwkalzbgwaslz";
+  };
+
+  buildInputs = [ cmake ];
+
+  cmakeFlags = [ "-DCMAKE_BUILD_TYPE=Release" ];
+
+  enableParallelBuilding = true;
+
+  meta = {
+    homepage = http://libcxx.llvm.org/;
+    description = "A new implementation of the C++ standard library, targeting C++11";
+    license = "BSD";
+    maintainers = stdenv.lib.maintainers.shlevy;
+    platforms = stdenv.lib.platforms.all;
+  };
+}
+
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 21c811dbf841..bcb7a356a254 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3030,6 +3030,8 @@ let
 
   csslint = callPackage ../development/web/csslint { };
 
+  libcxx = callPackage ../development/libraries/libc++ { stdenv = pkgs.clangStdenv; };
+
   dejagnu = callPackage ../development/tools/misc/dejagnu { };
 
   ddd = callPackage ../development/tools/misc/ddd { };