--- Makefile.orig	2009-02-06 07:16:38.000000000 +0000
+++ Makefile	2009-02-06 07:21:37.000000000 +0000
@@ -23,6 +23,10 @@
 
 .include <bsd.port.pre.mk>
 
+.if ${OSVERSION} < 800056
+BROKEN=Does not build - requires new USB stack in FreeBSD 8
+.endif
+
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/src/dfu-util ${PREFIX}/bin
 	${INSTALL_MAN} ${WRKSRC}/doc/dfu-util.1 ${MAN1PREFIX}/man/man1