config.guess-x86_64fix.diff

--- config.guess.orig	2010-01-02 20:51:35.000000000 -0500
+++ config.guess	2010-01-02 20:52:19.000000000 -0500
@@ -1259,6 +1259,10 @@ EOF
     *:Darwin:*:*)
 	UNAME_PROCESSOR=`uname -p` || UNAME_PROCESSOR=unknown
 	case $UNAME_PROCESSOR in
+	    i386) eval $set_cc_for_build
+	          if $CC_FOR_BUILD -E -dM -x c /dev/null | grep __LP64__>/dev/null 2>&1 ; then
+	            UNAME_PROCESSOR=x86_64
+	          fi ;;
 	    unknown) UNAME_PROCESSOR=powerpc ;;
 	esac
 	echo ${UNAME_PROCESSOR}-apple-darwin${UNAME_RELEASE}