diff --git a/lib/Basic/Version.cpp b/lib/Basic/Version.cpp
new file mode 100644
index 0000000..8500287
--- /dev/null
+++ b/lib/Basic/Version.cpp
@@ -0,0 +1,82 @@
+//===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines several version-related utility functions for Clang.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Basic/Version.h"
+#include "llvm/Support/raw_ostream.h"
+#include <cstring>
+#include <cstdlib>
+
+using namespace std;
+
+namespace clang {
+  
+llvm::StringRef getClangRepositoryPath() {
+  static const char URL[] = "$URL: http://llvm.org/svn/llvm-project/cfe/trunk/lib/Basic/Version.cpp $";
+  const char *URLEnd = URL + strlen(URL);
+
+  const char *End = strstr(URL, "/lib/Basic");
+  if (End)
+    URLEnd = End;
+
+  End = strstr(URL, "/clang/tools/clang");
+  if (End)
+    URLEnd = End;
+
+  const char *Begin = strstr(URL, "cfe/");
+  if (Begin)
+    return llvm::StringRef(Begin + 4, URLEnd - Begin - 4);
+
+  return llvm::StringRef(URL, URLEnd - URL);
+}
+
+
+llvm::StringRef getClangRevision() {
+#ifndef SVN_REVISION
+  // Subversion was not available at build time?
+  return llvm::StringRef();
+#else
+  static std::string revision;
+  if (revision.empty()) {
+    llvm::raw_string_ostream OS(revision);
+    OS << strtol(SVN_REVISION, 0, 10);
+  }
+  return revision;
+#endif
+}
+
+llvm::StringRef getClangFullRepositoryVersion() {
+  static std::string buf;
+  if (buf.empty()) {
+    llvm::raw_string_ostream OS(buf);
+    OS << getClangRepositoryPath();
+    llvm::StringRef Revision = getClangRevision();
+    if (!Revision.empty())
+      OS << ' ' << Revision;
+  }
+  return buf;
+}
+  
+const char *getClangFullVersion() {
+  static std::string buf;
+  if (buf.empty()) {
+    llvm::raw_string_ostream OS(buf);
+#ifdef CLANG_VENDOR
+    OS << CLANG_VENDOR;
+#endif
+    OS << "clang version " CLANG_VERSION_STRING " ("
+       << getClangFullRepositoryVersion() << ')';
+  }
+  return buf.c_str();
+}
+  
+} // end namespace clang