diff --git a/pkgs/build-support/cc-wrapper/cc-wrapper.sh b/pkgs/build-support/cc-wrapper/cc-wrapper.sh index 548b19106457..e374e1656a47 100644 --- a/pkgs/build-support/cc-wrapper/cc-wrapper.sh +++ b/pkgs/build-support/cc-wrapper/cc-wrapper.sh @@ -80,8 +80,8 @@ if [ "$NIX_ENFORCE_PURITY" = 1 -a -n "$NIX_STORE" ]; then fi if [[ "@prog@" = *++ ]]; then - if echo "$@" | grep -qvw -- -nostdlib; then - NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE $NIX_CXXSTDLIB_COMPILE" + if echo "$@" | grep -qv -- -nostdlib; then + NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE ${NIX_CXXSTDLIB_COMPILE-@default_cxx_stdlib_compile@}" NIX_CFLAGS_LINK="$NIX_CFLAGS_LINK $NIX_CXXSTDLIB_LINK" fi fi diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix index ac33a0b083c2..df43da58e3ec 100644 --- a/pkgs/build-support/cc-wrapper/default.nix +++ b/pkgs/build-support/cc-wrapper/default.nix @@ -169,6 +169,12 @@ stdenv.mkDerivation { export real_cc=cc export real_cxx=c++ + export default_cxx_stdlib_compile="${ + if stdenv.isLinux && !(cc.isGNU or false) + then "-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)" + else "" + }" + if [ -e $ccPath/gcc ]; then wrap gcc ${./cc-wrapper.sh} $ccPath/gcc ln -s gcc $out/bin/cc