Commit dabfaef4 authored by Artturin's avatar Artturin
Browse files

tests.cc-wrapper: add atomics test 

`-std=c++17` is for clang 5
parent f80b2b51

pkgs/test/cc-wrapper/atomics.cc

0 → 100644
+8 −0
Original line number Diff line number Diff line 
#include <atomic>

#include <cstdint>



int main()

{

  std::atomic_int x = {0};

  return !std::atomic_is_lock_free(&x);

}

pkgs/test/cc-wrapper/default.nix

+10 −1
Original line number Diff line number Diff line
@@ -9,7 +9,8 @@ let 
  );

  staticLibc = lib.optionalString (stdenv.hostPlatform.libc == "glibc") "-L ${glibc.static}/lib";

  emulator = stdenv.hostPlatform.emulator buildPackages;

  libcxxStdenvSuffix = lib.optionalString (stdenv.cc.libcxx != null) "-libcxx";

  isCxx = stdenv.cc.libcxx != null;

  libcxxStdenvSuffix = lib.optionalString isCxx "-libcxx";

in stdenv.mkDerivation {

  pname = "cc-wrapper-test-${stdenv.cc.cc.pname}${libcxxStdenvSuffix}";

  version = stdenv.cc.version;
@@ -37,6 +38,14 @@ in stdenv.mkDerivation { 
    $CXX -o include-cxxabi ${./include-cxxabi.cc}

    ${emulator} ./include-cxxabi



    # cxx doesn't have libatomic.so

    ${lib.optionalString (!isCxx) ''

      # https://github.com/NixOS/nixpkgs/issues/91285

      echo "checking whether libatomic.so can be linked... " >&2

      $CXX -shared -o atomics.so ${./atomics.cc} -latomic ${lib.optionalString (stdenv.cc.isClang && lib.versionOlder stdenv.cc.version "6.0.0" ) "-std=c++17"}

      $READELF -d ./atomics.so | grep libatomic.so && echo "ok" >&2 || echo "failed" >&2

    ''}



    ${lib.optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''

      echo "checking whether compiler can build with CoreFoundation.framework... " >&2

      mkdir -p foo/lib