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| author | Shea Levy <shea@shealevy.com> | 2015-03-06 19:04:43 +0000 |
|---|---|---|
| committer | Shea Levy <shea@shealevy.com> | 2015-03-06 19:04:43 +0000 |
| commit | f91dea4c0be410c52d8131d6a1237f04b1b8da71 (patch) | |
| tree | ab8d89141d478e9b92528c1efcd6507855ad0852 /pkgs/build-support/cc-wrapper | |
| parent | 6b53021205cba1074ecddcdd269feb7bad9b34a9 (diff) | |
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cc-wrapper: Set default system include flags for non-gcc c++ on Linux
Without this, clang can't find libstdc++. This needs to happen in the wrapper so that the libc++ setup hook can still override it
Diffstat (limited to 'pkgs/build-support/cc-wrapper')
| -rw-r--r-- | pkgs/build-support/cc-wrapper/cc-wrapper.sh | 4 | ||||
| -rw-r--r-- | pkgs/build-support/cc-wrapper/default.nix | 6 |
2 files changed, 8 insertions, 2 deletions
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 |