Import prebuilt clang toolchain for linux.
diff --git a/linux-x64/clang/include/llvm-c/Linker.h b/linux-x64/clang/include/llvm-c/Linker.h
new file mode 100644
index 0000000..d02c37f
--- /dev/null
+++ b/linux-x64/clang/include/llvm-c/Linker.h
@@ -0,0 +1,41 @@
+/*===-- llvm-c/Linker.h - Module Linker C Interface -------------*- 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 the C interface to the module/file/archive linker. *|
+|* *|
+\*===----------------------------------------------------------------------===*/
+
+#ifndef LLVM_C_LINKER_H
+#define LLVM_C_LINKER_H
+
+#include "llvm-c/Types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* This enum is provided for backwards-compatibility only. It has no effect. */
+typedef enum {
+ LLVMLinkerDestroySource = 0, /* This is the default behavior. */
+ LLVMLinkerPreserveSource_Removed = 1 /* This option has been deprecated and
+ should not be used. */
+} LLVMLinkerMode;
+
+/* Links the source module into the destination module. The source module is
+ * destroyed.
+ * The return value is true if an error occurred, false otherwise.
+ * Use the diagnostic handler to get any diagnostic message.
+*/
+LLVMBool LLVMLinkModules2(LLVMModuleRef Dest, LLVMModuleRef Src);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif