--- Makefile.config.in.orig	1998-08-13 06:12:59 UTC
+++ Makefile.config.in
@@ -43,6 +43,7 @@ CFLAGS=		@CFLAGS@
 #CC_OPTIONS=	-O -cckr			# SGI 
 #CC_OPTIONS=	-O				# generic
 #CC_OPTIONS=	-g				# debug 
+CC_OPTIONS=	@CPPFLAGS@
 
 ##
 ## Extra linker options.
