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tests.cc-wrapper: add atomics test

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`-std=c++17` is for clang 5
This commit is contained in:
Artturin 2023-11-15 19:50:43 +02:00
parent f80b2b510d
commit dabfaef444
2 changed files with 18 additions and 1 deletions
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8
pkgs/test/cc-wrapper/atomics.cc Normal file
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@ -0,0 +1,8 @@
#include <atomic>
#include <cstdint>
int main()
{
std::atomic_int x = {0};
return !std::atomic_is_lock_free(&x);
}

11
pkgs/test/cc-wrapper/default.nix
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@ -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