nixpkgs/pkgs/development/compilers/llvm/4.0/default.nix

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{ newScope, stdenv, isl, fetchurl, overrideCC, wrapCC, darwin, ccWrapperFun }:
let
callPackage = newScope (self // { inherit stdenv isl version fetch; });
version = "4.0.0";
rc = "rc2";
fetch = fetch_v version;
fetch_v = ver: name: sha256: fetchurl {
url = "http://llvm.org/pre-releases/${version}/${rc}/${name}-${version}${rc}.src.tar.xz";
# Once 4.0 is released, use this instead:
# url = "http://llvm.org/releases/${version}/${name}-${ver}.src.tar.xz";
inherit sha256;
};
compiler-rt_src = fetch "compiler-rt" "07i098rj41h1sq2f30d6161924zr5yd9gx5kans79p7akxxgc0jr";
clang-tools-extra_src = fetch "clang-tools-extra" "0ypvkv55pw88iaixib29sgz44d4pfs166vpswnrrbkqlhz92ns0z";
self = {
llvm = callPackage ./llvm.nix {
inherit compiler-rt_src stdenv;
};
clang-unwrapped = callPackage ./clang {
inherit clang-tools-extra_src stdenv;
};
clang = wrapCC self.clang-unwrapped;
libcxxClang = ccWrapperFun {
cc = self.clang-unwrapped;
isClang = true;
inherit (self) stdenv;
/* FIXME is this right? */
inherit (stdenv.cc) libc nativeTools nativeLibc;
extraPackages = [ self.libcxx self.libcxxabi ];
};
stdenv = overrideCC stdenv self.clang;
libcxxStdenv = overrideCC stdenv self.libcxxClang;
lld = callPackage ./lld.nix {};
lldb = callPackage ./lldb.nix {};
libcxx = callPackage ./libc++ {};
libcxxabi = callPackage ./libc++abi.nix {};
};
in self