diff --git a/llvm/lib/System/Path.cpp b/llvm/lib/System/Path.cpp
index 1a6d030..d0ee1a3 100644
--- a/llvm/lib/System/Path.cpp
+++ b/llvm/lib/System/Path.cpp
@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/System/Path.h"
+#include "llvm/Config/config.h"
 #include <cassert>
 
 namespace llvm {
@@ -80,6 +81,11 @@
   return sys::Path();
 }
 
+std::string
+Path::GetDLLSuffix() {
+  return LTDL_SHLIB_EXT;
+}
+
 }
 
 // Include the truly platform-specific parts of this class.