diff options
Diffstat (limited to 'clang/lib/Frontend/InitHeaderSearch.cpp')
| -rw-r--r-- | clang/lib/Frontend/InitHeaderSearch.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp index ad0d2327148..5d877ee9c0d 100644 --- a/clang/lib/Frontend/InitHeaderSearch.cpp +++ b/clang/lib/Frontend/InitHeaderSearch.cpp @@ -137,6 +137,13 @@ bool InitHeaderSearch::AddUnmappedPath(const Twine &Path, IncludeDirGroup Group, SmallString<256> MappedPathStorage; StringRef MappedPathStr = Path.toStringRef(MappedPathStorage); + // If use system headers while cross-compiling, emit the warning. + if (HasSysroot && (MappedPathStr.startswith("/usr/include") || + MappedPathStr.startswith("/usr/local/include"))) { + Headers.getDiags().Report(diag::warn_poison_system_directories) + << MappedPathStr; + } + // Compute the DirectoryLookup type. SrcMgr::CharacteristicKind Type; if (Group == Quoted || Group == Angled || Group == IndexHeaderMap) { |
