A couple of fixes for using Makefile.standalone on Mac.

src/IceGlobalContext.cpp

 //===- subzero/src/IceGlobalContext.cpp - Global context defs ---*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines aspects of the compilation that persist across
 // multiple functions.
 //
 //===----------------------------------------------------------------------===//
 
 #include <ctype.h> // isdigit(), isupper()
+#include <locale>  // locale
 
 #include "IceDefs.h"
 #include "IceTypes.h"
 #include "IceCfg.h"
 #include "IceGlobalContext.h"
 #include "IceOperand.h"
 #include "IceTargetLowering.h"
 
 namespace Ice {
 
@@ skipping 28 matching lines @@
                                                 E = Pool.end();
          I != E; ++I) {
       Constants.push_back(I->second);
     }
     return Constants;
   }
 
 private:
   typedef std::pair<Type, KeyType> TupleType;
   struct TupleCompare {
-    bool operator()(const TupleType &A, const TupleType &B) {
+    bool operator()(const TupleType &A, const TupleType &B) const {
       if (A.first != B.first)
         return A.first < B.first;
       if (KeyTypeHasFP)
         return memcmp(&A.second, &B.second, sizeof(KeyType)) < 0;
       return A.second < B.second;
     }
   };
   typedef std::map<const TupleType, ValueType *, TupleCompare> ContainerType;
   ContainerType Pool;
   uint32_t NextPoolID;
@@ skipping 298 matching lines @@
 
 void Timer::printElapsedUs(GlobalContext *Ctx, const IceString &Tag) const {
   if (Ctx->isVerbose(IceV_Timing)) {
     // Prefixing with '#' allows timing strings to be included
     // without error in textual assembly output.
     Ctx->getStrDump() << "# " << getElapsedUs() << " usec " << Tag << "\n";
   }
 }
 
 } // end of namespace Ice