--- Xvnc/config/cf/Imake.cf.orig	2006-12-23 12:07:55 UTC
+++ Xvnc/config/cf/Imake.cf
@@ -206,6 +206,12 @@ XCOMM $XFree86: xc/config/cf/Imake.cf,v 3.66 2001/04/1
 #  define i386Architecture
 #  undef i386
 # endif
+# ifdef __x86_64__
+#  ifndef x86_64Architecture
+#   define x86_64Architecture
+#  endif
+#  undef __x86_64__
+# endif
 # ifdef __alpha__
 #  define AlphaBsdArchitecture
 #  define AlphaArchitecture