Create a proper target machine for PNaCl.

lib/Target/PNaCl/MCTargetDesc/PNaClTargetDesc.cpp

Index: lib/Target/PNaCl/MCTargetDesc/PNaClTargetDesc.cpp
diff --git a/bindings/go/llvm/llvm_dep.go b/lib/Target/PNaCl/MCTargetDesc/PNaClTargetDesc.cpp
similarity index 61%
copy from bindings/go/llvm/llvm_dep.go
copy to lib/Target/PNaCl/MCTargetDesc/PNaClTargetDesc.cpp
index 39b46759483edfaedbb24ab684985f75cb327ee6..b5d3578dcc5a58307882908aa043e5d8c5bd2a32 100644
--- a/bindings/go/llvm/llvm_dep.go
+++ b/lib/Target/PNaCl/MCTargetDesc/PNaClTargetDesc.cpp
@@ -1,4 +1,4 @@
-//===- llvm_dep.go - creates LLVM dependency ------------------------------===//
+//===-- PNaClMCTargetDesc.h - PNaCl Target Descriptions -------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,13 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file ensures that the LLVM libraries are built before using the
-// bindings.
+// This file provides PNaCl specific target descriptions.
 //
 //===----------------------------------------------------------------------===//
 
-// +build !byollvm
-
-package llvm
-
-var _ run_build_sh
+extern "C" void LLVMInitializePNaClTargetMC() { }