nixpkgs/pkgs/development/libraries/libc++/setup-hook.sh

export NIX_CFLAGS_COMPILE+=" -isystem @out@/include/c++/v1 -stdlib=libc++"
export NIX_CFLAGS_LINK+=" -stdlib=libc++ -Wl,-rpath,@libcxxabi@/lib"
libc++: Fix on Linux On Linux (unlike Darwin), libc++ cannot automatically propagate libc++abi. So we need to add libc++abi to the RPATH. 2014-10-11 21:21:57 +01:00			`export NIX_CFLAGS_COMPILE+=" -isystem @out@/include/c++/v1 -stdlib=libc++"`
			`export NIX_CFLAGS_LINK+=" -stdlib=libc++ -Wl,-rpath,@libcxxabi@/lib"`