nixpkgs/pkgs/development/compilers/llvm/3.6/libc++/setup-hook.sh

export NIX_CXXSTDLIB_COMPILE+=" -isystem @out@/include/c++/v1"
export NIX_CXXSTDLIB_LINK=" -lc++ -lc++abi"
Fix libcxxStdenv on Linux This corrects linkage failures arising from missing -lc++abi and resolves "unused argument" warnings arising due to -stdlib=libc++ serving no purpose when search paths are being supplied explicitly. 2015-06-28 20:58:31 +02:00			`export NIX_CXXSTDLIB_COMPILE+=" -isystem @out@/include/c++/v1"`
			`export NIX_CXXSTDLIB_LINK=" -lc++ -lc++abi"`