diff --git a/clang/lib/Driver/ToolChains/BareMetal.cpp b/clang/lib/Driver/ToolChains/BareMetal.cpp index 9b7f58c392885..d048f228f4572 100644 --- a/clang/lib/Driver/ToolChains/BareMetal.cpp +++ b/clang/lib/Driver/ToolChains/BareMetal.cpp @@ -408,6 +408,8 @@ void BareMetal::AddClangSystemIncludeArgs(const ArgList &DriverArgs, if (DriverArgs.hasArg(options::OPT_nostdlibinc)) return; + const Driver &D = getDriver(); + if (std::optional Path = getStdlibIncludePath()) addSystemInclude(DriverArgs, CC1Args, *Path); @@ -418,6 +420,13 @@ void BareMetal::AddClangSystemIncludeArgs(const ArgList &DriverArgs, llvm::sys::path::append(Dir, M.includeSuffix()); llvm::sys::path::append(Dir, "include"); addSystemInclude(DriverArgs, CC1Args, Dir.str()); + + Dir = SysRootDir; + llvm::sys::path::append(Dir, getTripleString()); + if (D.getVFS().exists(Dir)) { + llvm::sys::path::append(Dir, "include"); + addSystemInclude(DriverArgs, CC1Args, Dir.str()); + } } } } @@ -498,9 +507,13 @@ void BareMetal::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs, addSystemInclude(DriverArgs, CC1Args, TargetDir.str()); break; } - // Add generic path if nothing else succeeded so far. + // Add generic paths if nothing else succeeded so far. llvm::sys::path::append(Dir, "include", "c++", "v1"); addSystemInclude(DriverArgs, CC1Args, Dir.str()); + Dir = SysRootDir; + llvm::sys::path::append(Dir, Target, "include", "c++", "v1"); + if (D.getVFS().exists(Dir)) + addSystemInclude(DriverArgs, CC1Args, Dir.str()); break; } case ToolChain::CST_Libstdcxx: {