--- lib/Makefile.orig	Thu Dec 26 22:28:33 2002
+++ lib/Makefile	Thu Jun 12 02:46:13 2003
@@ -28,6 +28,9 @@
 ifdef HAVE_PM_FBSD_DEVICE
 OBJS += fbsd-device.o
 CFLAGS += -I/usr/src/sys
+ifdef FREEBSD_SYS
+CFLAGS += -I${FREEBSD_SYS}
+endif
 endif
 
 ifdef HAVE_PM_AIX_DEVICE
