Fix Linux libc++ usage. Somehow this slipped through during the port.

Test cases for this and all the rest of the port are still in the works,
but will wait for a fixed computer and post 3.0 merging...

llvm-svn: 143916

1 files changed, 8 insertions, 0 deletions

diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
index fec2209ca8e..9b84966d81b 100644
--- a/clang/lib/Driver/ToolChains.cpp
+++ b/clang/lib/Driver/ToolChains.cpp
@@ -2010,6 +2010,14 @@ void Linux::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
       DriverArgs.hasArg(options::OPT_nostdincxx))
     return;
 
+  // Check if libc++ has been enabled and provide its include paths if so.
+  if (GetCXXStdlibType(DriverArgs) == ToolChain::CST_Libcxx) {
+    // libc++ is always installed at a fixed path on Linux currently.
+    addSystemInclude(DriverArgs, CC1Args,
+                     getDriver().SysRoot + "/usr/include/c++/v1");
+    return;
+  }
+
   const llvm::Triple &TargetTriple = getTriple();
 
   StringRef CxxIncludeRoot(CXX_INCLUDE_ROOT);