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

src/IceGlobalContext.cpp

Index: src/IceGlobalContext.cpp
diff --git a/src/IceGlobalContext.cpp b/src/IceGlobalContext.cpp
index 113ffc49ca5837a5273ef1b26246ab3d093ac296..5dd8b6306ec89c6a8eaa1c62c5785b7363020556 100644
--- a/src/IceGlobalContext.cpp
+++ b/src/IceGlobalContext.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include <ctype.h> // isdigit(), isupper()
+#include <locale>  // locale
 
 #include "IceDefs.h"
 #include "IceTypes.h"
@@ -61,7 +62,7 @@ public:
 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)