diff options
Diffstat (limited to 'clang/lib/Driver/ToolChains/Clang.cpp')
| -rw-r--r-- | clang/lib/Driver/ToolChains/Clang.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp index 6f25eea243a..3e00c323fc6 100644 --- a/clang/lib/Driver/ToolChains/Clang.cpp +++ b/clang/lib/Driver/ToolChains/Clang.cpp @@ -5218,6 +5218,9 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, if (A) { CmdArgs.push_back(A->getValue()); } else { + bool hasMultipleArchs = + Triple.isOSDarwin() && // Only supported on Darwin platforms. + Args.getAllArgValues(options::OPT_arch).size() > 1; SmallString<128> F; if (Args.hasArg(options::OPT_c) || Args.hasArg(options::OPT_S)) { @@ -5242,6 +5245,22 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, } } + // If we're having more than one "-arch", we should name the files + // differently so that every cc1 invocation writes to a different file. + // We're doing that by appending "-<arch>" with "<arch>" being the arch + // name from the triple. + if (hasMultipleArchs) { + // First, remember the extension. + SmallString<64> OldExtension = llvm::sys::path::extension(F); + // then, remove it. + llvm::sys::path::replace_extension(F, ""); + // attach -<arch> to it. + F += "-"; + F += Triple.getArchName(); + // put back the extension. + llvm::sys::path::replace_extension(F, OldExtension); + } + std::string Extension = "opt."; if (const Arg *A = Args.getLastArg(options::OPT_fsave_optimization_record_EQ)) |
