Merge commit '20c7d45a4da9f58ad805ad1d37f92fe7dc232ec8'

Conflicts:
	lib/CodeGen/ItaniumCXXABI.cpp

1 files changed, 5 insertions, 4 deletions

diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 35eec565f7..f4ca4d498a 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -24,6 +24,7 @@
 #include "llvm/ADT/Triple.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 
@@ -410,16 +411,16 @@ AddDefaultCPlusPlusIncludePaths(const llvm::Triple &triple, const HeaderSearchOp
 #endif
     break;
   case llvm::Triple::DragonFly:
-    AddPath("/usr/include/c++/4.1", CXXSystem, false);
+    if (llvm::sys::fs::exists("/usr/lib/gcc47"))
+      AddPath("/usr/include/c++/4.7", CXXSystem, false);
+    else
+      AddPath("/usr/include/c++/4.4", CXXSystem, false);
     break;
   case llvm::Triple::FreeBSD:
     // FreeBSD 8.0
     // FreeBSD 7.3
     AddGnuCPlusPlusIncludePaths("/usr/include/c++/4.2", "", "", "", triple);
     break;
-  case llvm::Triple::NetBSD:
-    AddGnuCPlusPlusIncludePaths("/usr/include/g++", "", "", "", triple);
-    break;
   case llvm::Triple::OpenBSD: {
     std::string t = triple.getTriple();
     if (t.substr(0, 6) == "x86_64")