Driver: Add darwin::Lipo tool.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@67355 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.h b/lib/Driver/Tools.h
index a87a7ba..40aa208 100644
--- a/lib/Driver/Tools.h
+++ b/lib/Driver/Tools.h
@@ -110,6 +110,24 @@
   };
 } // end namespace gcc
 
+namespace darwin {
+  class VISIBILITY_HIDDEN Lipo : public Tool  {
+  public:
+    Lipo(const ToolChain &TC) : Tool("gcc::Link", TC) {}
+
+    virtual bool acceptsPipedInput() const { return false; }
+    virtual bool canPipeOutput() const { return false; }
+    virtual bool hasIntegratedCPP() const { return false; }
+
+    virtual void ConstructJob(Compilation &C, const JobAction &JA,
+                              Job &Dest,
+                              const InputInfo &Output, 
+                              const InputInfoList &Inputs, 
+                              const ArgList &TCArgs, 
+                              const char *LinkingOutput) const;
+  };
+}
+
 } // end namespace toolchains
 } // end namespace driver
 } // end namespace clang