diff options
| -rw-r--r-- | iwyu_driver.cc | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/iwyu_driver.cc b/iwyu_driver.cc index eb877ab..0d7bb65 100644 --- a/iwyu_driver.cc +++ b/iwyu_driver.cc @@ -21,6 +21,7 @@ #include "llvm/ADT/ArrayRef.h" // IWYU pragma: keep #include "llvm/ADT/SmallString.h" +#include "llvm/ADT/Triple.h" #include "llvm/Support/ErrorOr.h" #include "llvm/Support/Host.h" #include "llvm/Support/FileSystem.h" @@ -211,6 +212,20 @@ CompilerInstance* CreateCompilerInstance(int argc, const char **argv) { args_start, args_end, diagnostics); invocation->getFrontendOpts().DisableFree = false; + // Use libc++ headers bundled with Xcode.app on macOS. + llvm::Triple triple(invocation->getTargetOpts().Triple); + if (triple.isOSDarwin() && invocation->getHeaderSearchOpts().UseLibcxx) { + invocation->getHeaderSearchOpts().AddPath( + "/Library/Developer/CommandLineTools/usr/include/c++/v1/", + clang::frontend::CXXSystem, + /*IsFramework=*/false, /*IgnoreSysRoot=*/true); + invocation->getHeaderSearchOpts().AddPath( + "/Applications/Xcode.app/Contents/Developer/Toolchains/" + "XcodeDefault.xctoolchain/usr/include/c++/v1", + clang::frontend::CXXSystem, + /*IsFramework=*/false, /*IgnoreSysRoot=*/true); + } + // Show the invocation, with -v. if (invocation->getHeaderSearchOpts().Verbose) { errs() << "clang invocation:\n"; |