--- Makefile.in.orig	Wed Aug 11 16:48:33 1999
+++ Makefile.in	Wed Aug 11 16:48:49 1999
@@ -12,7 +12,7 @@
 TARGETNAME=@sbindir@/tircproxy
 STRIP=@STRIP@
 
-ALL_CFLAGS=-Wall -I. -I@srcdir@ $(CFLAGS)
+ALL_CFLAGS=-Wall -I. -I@srcdir@ $(CFLAGS) -I/sys -I/usr/src/sys
 
 .SUFFIXES:
 .SUFFIXES: .c .o