--- Imakefile.orig	2002-11-25 09:28:17.000000000 -0600
+++ Imakefile	2006-01-05 14:33:30.000000000 -0600
@@ -20,6 +20,6 @@
 ComplexProgramTarget(xcb)
 
 Xcb.ad:	Xcb.ad.base
-	$(CPP) -P Xcb.ad.base $(GUI) > $@    # -P removes line directives.
+	$(CPP) $(GNU) -P Xcb.ad.base > $@    # -P removes line directives.
 
 InstallAppDefaults(Xcb)