correct the -isystem option to not add the -isysroot path. Only the weird

-iwithsysroot flag should do that.  This fixes rdar://8345942

llvm-svn: 111979

2 files changed, 8 insertions, 7 deletions

diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index f0a9bf457f8..86ce31538f3 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -1149,7 +1149,7 @@ static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
   for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F),
          ie = Args.filtered_end(); it != ie; ++it)
     Opts.AddPath((*it)->getValue(Args), frontend::Angled, true,
-                 /*IsFramework=*/ (*it)->getOption().matches(OPT_F));
+                 /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true);
 
   // Add -iprefix/-iwith-prefix/-iwithprefixbefore options.
   llvm::StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
@@ -1161,21 +1161,22 @@ static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
       Prefix = A->getValue(Args);
     else if (A->getOption().matches(OPT_iwithprefix))
       Opts.AddPath(Prefix.str() + A->getValue(Args),
-                   frontend::System, false, false);
+                   frontend::System, false, false, true);
     else
       Opts.AddPath(Prefix.str() + A->getValue(Args),
-                   frontend::Angled, false, false);
+                   frontend::Angled, false, false, true);
   }
 
   for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
          ie = Args.filtered_end(); it != ie; ++it)
-    Opts.AddPath((*it)->getValue(Args), frontend::After, true, false);
+    Opts.AddPath((*it)->getValue(Args), frontend::After, true, false, true);
   for (arg_iterator it = Args.filtered_begin(OPT_iquote),
          ie = Args.filtered_end(); it != ie; ++it)
-    Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false);
+    Opts.AddPath((*it)->getValue(Args), frontend::Quoted, true, false, true);
   for (arg_iterator it = Args.filtered_begin(OPT_isystem, OPT_iwithsysroot),
          ie = Args.filtered_end(); it != ie; ++it)
-    Opts.AddPath((*it)->getValue(Args), frontend::System, true, false);
+    Opts.AddPath((*it)->getValue(Args), frontend::System, true, false,
+                 (*it)->getOption().matches(OPT_iwithsysroot));
 
   // FIXME: Need options for the various environment variables!
 }
diff --git a/clang/lib/Frontend/InitHeaderSearch.cpp b/clang/lib/Frontend/InitHeaderSearch.cpp
index 55e3a4264af..1b6712f128a 100644
--- a/clang/lib/Frontend/InitHeaderSearch.cpp
+++ b/clang/lib/Frontend/InitHeaderSearch.cpp
@@ -912,7 +912,7 @@ void clang::ApplyHeaderSearchOptions(HeaderSearch &HS,
   for (unsigned i = 0, e = HSOpts.UserEntries.size(); i != e; ++i) {
     const HeaderSearchOptions::Entry &E = HSOpts.UserEntries[i];
     Init.AddPath(E.Path, E.Group, false, E.IsUserSupplied, E.IsFramework,
-                 false);
+                 !E.IsSysRootRelative);
   }
 
   // Add entries from CPATH and friends.