[llvm] r179549 - Fix endianness on some MSVC versions.

[Rafael Espindola]

Author: rafael
Date: Mon Apr 15 14:28:45 2013
New Revision: 179549

URL: http://llvm.org/viewvc/llvm-project?rev=179549&view=rev
Log:
Fix endianness on some MSVC versions.

Looks like it was evaluating undef == undef to true.

Modified:
    llvm/trunk/include/llvm/Support/Host.h

Modified: llvm/trunk/include/llvm/Support/Host.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/Host.h?rev=179549&r1=179548&r2=179549&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Support/Host.h (original)
+++ llvm/trunk/include/llvm/Support/Host.h Mon Apr 15 14:28:45 2013
@@ -29,7 +29,7 @@
 namespace llvm {
 namespace sys {
 
-#if BYTE_ORDER == BIG_ENDIAN
+#if defined(BYTBYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
   static const bool IsBigEndianHost = true;
 #else
   static const bool IsBigEndianHost = false;