THe -X64 should be specifiec in Makefile.incl, otherwise the autoconf will fail.

git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@173917 13f79535-47bb-0310-9956-ffa450edef68

src/xercesc/runConfigure

@@ -394,8 +394,7 @@ if test $bitsToBuild = 64; then
               bitstobuildDefines=" $bitstobuildDefines -xarch=v9 "
               bitstobuildLink=" -xarch=v9 " ;;
            aix)
-              bitstobuildDefines=" $bitstobuildDefines -q64 -qwarn64 "
-              bitstobuildLink=" -X64 " ;;
+              bitstobuildDefines=" $bitstobuildDefines -q64 -qwarn64 " ;;
            hp-11)
               bitstobuildDefines=" $bitstobuildDefines +DA2.0W "
               bitstobuildLink=" +DA2.0W" ;;