Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm/Support/TarWriter.h b/linux-x64/clang/include/llvm/Support/TarWriter.h
new file mode 100644
index 0000000..639f61b
--- /dev/null
+++ b/linux-x64/clang/include/llvm/Support/TarWriter.h
@@ -0,0 +1,34 @@
+//===-- llvm/Support/TarWriter.h - Tar archive file creator -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_TAR_WRITER_H
+#define LLVM_SUPPORT_TAR_WRITER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/ADT/StringSet.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/raw_ostream.h"
+
+namespace llvm {
+class TarWriter {
+public:
+ static Expected<std::unique_ptr<TarWriter>> create(StringRef OutputPath,
+ StringRef BaseDir);
+
+ void append(StringRef Path, StringRef Data);
+
+private:
+ TarWriter(int FD, StringRef BaseDir);
+ raw_fd_ostream OS;
+ std::string BaseDir;
+ StringSet<> Files;
+};
+}
+
+#endif