commit 8cfb720c857e66b7fb64bf3cb80fd82fcd0c0ac3
author John McCall <rjmccall@apple.com> Thu Apr 11 22:55:55 2013 +0000
committer John McCall <rjmccall@apple.com> Thu Apr 11 22:55:55 2013 +0000
tree 306b0cfbbcf10e46df7785fd1e7088379158ce0d
parent 0f9790bb2f2037c47f82e583d7593d046c5c3e9e

Fix the driver logic for recent versions of DragonFly.

Patch by John Marino.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179334 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/InitHeaderSearch.cpp

diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 35eec56..4f0d554 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"
 
@@ -410,7 +411,10 @@
 #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