diff options
Diffstat (limited to 'clang/lib/Driver/ToolChains/Darwin.cpp')
| -rw-r--r-- | clang/lib/Driver/ToolChains/Darwin.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/clang/lib/Driver/ToolChains/Darwin.cpp b/clang/lib/Driver/ToolChains/Darwin.cpp index 234683f..d2356eb 100644 --- a/clang/lib/Driver/ToolChains/Darwin.cpp +++ b/clang/lib/Driver/ToolChains/Darwin.cpp @@ -1609,7 +1609,12 @@ void DarwinClang::AddLinkRuntimeLibArgs(const ArgList &Args, if (Sanitize.needsFuzzer() && !Args.hasArg(options::OPT_dynamiclib)) { AddLinkSanitizerLibArgs(Args, CmdArgs, "fuzzer", /*shared=*/false); - // Libfuzzer is written in C++ and requires libcxx. + // Libfuzzer is written in C++ and requires libcxx. + // Since darwin::Linker::ConstructJob already adds -lc++ for clang++ + // by default if ShouldLinkCXXStdlib(Args), we only add the option if + // !ShouldLinkCXXStdlib(Args). This avoids duplicate library errors + // on Darwin. + if (!ShouldLinkCXXStdlib(Args)) AddCXXStdlibLibArgs(Args, CmdArgs); } if (Sanitize.needsStatsRt()) { |