--- libz/Makefile.in.orig	1997-08-02 16:12:55.000000000 +0200
+++ libz/Makefile.in	2003-07-23 14:59:17.000000000 +0200
@@ -525,7 +525,7 @@
 			srcCFile=`echo $@ | sed 's/^.//;s/o$$/c/'`; \
 			echo making $@ from $$srcCFile ; \
 			$(LN) $$srcCFile $$debugCFile; \
-			$(CC) -c $(CFLAGS) $(CPPFLAGS) $(CXXFLAGS) \
+			$(CC) -c $(CFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(DEFFLAGS) \
 			    -DDEBUG_ISET $(DFLAGS) $$debugCFile; \
 			$(RM) $$debugCFile
 
