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-rw-r--r--net/libdnet/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/libdnet/Makefile b/net/libdnet/Makefile
index 126d5ccf5855..ef022ec243b3 100644
--- a/net/libdnet/Makefile
+++ b/net/libdnet/Makefile
@@ -27,6 +27,10 @@ MAN3= dnet.3
MAN8= dnet.8
.endif
+.if !exists(/dev/bpf0)
+BROKEN= Does not build properly without /dev/bpf0.
+.endif
+
.include <bsd.port.pre.mk>
.if !defined(LIBDNET_SLAVE)