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diff --git a/lib/Driver/ToolChains/DragonFly.h b/lib/Driver/ToolChains/DragonFly.h
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index 0000000000000..9a06fbd0d3c23
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+++ b/lib/Driver/ToolChains/DragonFly.h
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+//===--- DragonFly.h - DragonFly ToolChain Implementations ------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DRAGONFLY_H
+#define LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DRAGONFLY_H
+
+#include "Gnu.h"
+#include "clang/Driver/Tool.h"
+#include "clang/Driver/ToolChain.h"
+
+namespace clang {
+namespace driver {
+namespace tools {
+/// dragonfly -- Directly call GNU Binutils assembler and linker
+namespace dragonfly {
+class LLVM_LIBRARY_VISIBILITY Assembler : public GnuTool {
+public:
+  Assembler(const ToolChain &TC)
+      : GnuTool("dragonfly::Assembler", "assembler", TC) {}
+
+  bool hasIntegratedCPP() const override { return false; }
+
+  void ConstructJob(Compilation &C, const JobAction &JA,
+                    const InputInfo &Output, const InputInfoList &Inputs,
+                    const llvm::opt::ArgList &TCArgs,
+                    const char *LinkingOutput) const override;
+};
+
+class LLVM_LIBRARY_VISIBILITY Linker : public GnuTool {
+public:
+  Linker(const ToolChain &TC) : GnuTool("dragonfly::Linker", "linker", TC) {}
+
+  bool hasIntegratedCPP() const override { return false; }
+  bool isLinkJob() const override { return true; }
+
+  void ConstructJob(Compilation &C, const JobAction &JA,
+                    const InputInfo &Output, const InputInfoList &Inputs,
+                    const llvm::opt::ArgList &TCArgs,
+                    const char *LinkingOutput) const override;
+};
+} // end namespace dragonfly
+} // end namespace tools
+
+namespace toolchains {
+
+class LLVM_LIBRARY_VISIBILITY DragonFly : public Generic_ELF {
+public:
+  DragonFly(const Driver &D, const llvm::Triple &Triple,
+            const llvm::opt::ArgList &Args);
+
+  bool IsMathErrnoDefault() const override { return false; }
+
+protected:
+  Tool *buildAssembler() const override;
+  Tool *buildLinker() const override;
+};
+
+} // end namespace toolchains
+} // end namespace driver
+} // end namespace clang
+
+#endif // LLVM_CLANG_LIB_DRIVER_TOOLCHAINS_DRAGONFLY_H