--- OW18src/bld/wmake/c/mglob.c.orig	2009-02-23 18:40:32.000000000 -0500
+++ OW18src/bld/wmake/c/mglob.c	2009-10-09 19:39:05.000000000 -0400
@@ -110,6 +110,8 @@
     "__UNIX__=\n"
     #if defined(__386__) || defined(__i386__) || defined(__i386)
         "__LINUX386__=\n"
+    #elif defined(__x86_64)
+        "__LINUX386__=\n"
     #elif defined(__PPC__) || defined(__ppc__) || defined(__powerpc__)
         "__LINUXPPC__=\n"
     #elif defined(__MIPS__)  || defined(__mips__)