Make it possible for external tools to distinguish between paths that come from -I and paths that come from -system. Patch from Paul Holden!

llvm-svn: 131955

1 files changed, 4 insertions, 2 deletions

diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp
index 4e0d4c1b435..9bdb13a944b 100644
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -1008,6 +1008,8 @@ void InitHeaderSearch::Realize(const LangOptions &Lang) {
     if (it->first == Angled)
       SearchList.push_back(it->second);
   }
+  RemoveDuplicates(SearchList, quoted, Verbose);
+  unsigned angled = SearchList.size();
 
   for (path_iterator it = IncludePath.begin(), ie = IncludePath.end();
        it != ie; ++it) {
@@ -1021,10 +1023,10 @@ void InitHeaderSearch::Realize(const LangOptions &Lang) {
       SearchList.push_back(it->second);
   }
 
-  RemoveDuplicates(SearchList, quoted, Verbose);
+  RemoveDuplicates(SearchList, angled, Verbose);
 
   bool DontSearchCurDir = false;  // TODO: set to true if -I- is set?
-  Headers.SetSearchPaths(SearchList, quoted, DontSearchCurDir);
+  Headers.SetSearchPaths(SearchList, quoted, angled, DontSearchCurDir);
 
   // If verbose, print the list of directories that will be searched.
   if (Verbose) {