Unverified Commit 6bccf90e authored by Artturi's avatar Artturi Committed by GitHub
Browse files

Merge pull request #267717 from Artturin/atomicstest

parents 2fc368a8 a1921375
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+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);
}
+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
    ''}

    ${lib.optionalString (stdenv.isDarwin && stdenv.cc.isClang) ''
      echo "checking whether compiler can build with CoreFoundation.framework... " >&2
      mkdir -p foo/lib
+19 −17
Original line number Diff line number Diff line
@@ -39,41 +39,43 @@ with pkgs;
      name = "cc-wrapper-supported";
      builtGCC =
        let
          names = lib.pipe (attrNames gccTests) ([
            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.cc))
          inherit (lib) filterAttrs;
          sets = lib.pipe gccTests ([
            (filterAttrs (_: v: lib.meta.availableOn stdenv.hostPlatform v.stdenv.cc))
            # Broken
            (filter (n: n != "gcc49Stdenv"))
            (filter (n: n != "gccMultiStdenv"))
            (filterAttrs (n: _: n != "gcc49Stdenv"))
            (filterAttrs (n: _: n != "gccMultiStdenv"))
          ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
            # fails with things like
            # ld: warning: ld: warning: object file (trunctfsf2_s.o) was built for newer macOS version (11.0) than being linked (10.5)
            # ld: warning: ld: warning: could not create compact unwind for ___fixunstfdi: register 20 saved somewhere other than in frame
            (filter (n: n != "gcc11Stdenv"))
            (filterAttrs (n: _: n != "gcc11Stdenv"))
          ]);
        in
        toJSON (lib.genAttrs names (name: { name = pkgs.${name};  }));
        toJSON sets;

      builtLLVM =
        let
          names = lib.pipe (attrNames llvmTests) ([
            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.stdenv.cc))
            (filter (n: lib.meta.availableOn stdenv.hostPlatform pkgs.${n}.libcxxStdenv.cc))
          inherit (lib) filterAttrs;
          sets = lib.pipe llvmTests ([
            (filterAttrs (_: v: lib.meta.availableOn stdenv.hostPlatform v.clang.stdenv.cc))
            (filterAttrs (_: v: lib.meta.availableOn stdenv.hostPlatform v.libcxx.stdenv.cc))

            # libcxxStdenv broken
            # fix in https://github.com/NixOS/nixpkgs/pull/216273
          ] ++ lib.optionals (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64) [
            # libcxx does not build for some reason on aarch64-linux
            (filter (n: n != "llvmPackages_7"))
            (filterAttrs (n: _: n != "llvmPackages_7"))
          ] ++ lib.optionals (stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64) [
            (filter (n: n != "llvmPackages_5"))
            (filter (n: n != "llvmPackages_6"))
            (filter (n: n != "llvmPackages_7"))
            (filter (n: n != "llvmPackages_8"))
            (filter (n: n != "llvmPackages_9"))
            (filter (n: n != "llvmPackages_10"))
            (filterAttrs (n: _: n != "llvmPackages_5"))
            (filterAttrs (n: _: n != "llvmPackages_6"))
            (filterAttrs (n: _: n != "llvmPackages_7"))
            (filterAttrs (n: _: n != "llvmPackages_8"))
            (filterAttrs (n: _: n != "llvmPackages_9"))
            (filterAttrs (n: _: n != "llvmPackages_10"))
          ]);
        in
        toJSON (lib.genAttrs names (name: { stdenv = pkgs.${name}.stdenv; libcxx = pkgs.${name}.libcxxStdenv;  }));
        toJSON sets;
        buildCommand = ''
          touch $out
        '';