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clang: provide path to gcc on Linux

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gcc contains core runtime bits that aren't available elsewhere for Linux.

Fixes #6449 refs #6668
This commit is contained in:
Shea Levy 2015-03-06 08:36:42 -05:00
parent bf0aa66c17
commit 494ae5fbeb
1 changed files with 9 additions and 2 deletions
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11
pkgs/development/compilers/llvm/3.5/clang.nix
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@ -1,6 +1,7 @@
{ stdenv, fetch, cmake, libxml2, libedit, llvm, version, clang-tools-extra_src }:
stdenv.mkDerivation {
let
gcc = if stdenv.cc.cc.isGNU or false then stdenv.cc.cc else stdenv.cc.cc.gcc;
in stdenv.mkDerivation {
name = "clang-${version}";
unpackPhase = ''
@ -17,6 +18,8 @@ stdenv.mkDerivation {
"-DCMAKE_BUILD_TYPE=Release"
"-DCMAKE_CXX_FLAGS=-std=c++11"
] ++
# Maybe with compiler-rt this won't be needed?
(stdenv.lib.optional stdenv.isLinux "-DGCC_INSTALL_PREFIX=${gcc}") ++
(stdenv.lib.optional (stdenv.cc.libc != null) "-DC_INCLUDE_DIRS=${stdenv.cc.libc}/include");
patches = [ ./clang-purity.patch ];
@ -36,6 +39,10 @@ stdenv.mkDerivation {
enableParallelBuilding = true;
passthru = stdenv.lib.optionalAttrs stdenv.isLinux {
inherit gcc;
};
meta = {
description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
homepage = http://llvm.org/;