Cope with a NetBSD annoyance.

1 files changed, 14 insertions, 0 deletions

diff --git a/inet.c b/inet.c
index 16a483d4..73929c3d 100644
--- a/inet.c
+++ b/inet.c
@@ -54,6 +54,20 @@ struct mbuf;		/* Squelch compiler warnings on some platforms for */
 struct rtentry;		/* declarations in <net/if.h> */
 #include <net/if.h>
 #include <netinet/in.h>
+
+/*
+ * NetBSD insists on having <net/if.h> pull in <net/dlt.h>, so that
+ * including <net/if.h> defines a bunch of stuff we later define in our
+ * pcap/dlt.h; those definitions will be different, if they haven't
+ * picked up all of our changes yet.
+ *
+ * Undefine some of the offending items.
+ */
+#ifdef __NetBSD__
+#undef DLT_USB			/* we now define it as DLT_FREEBSD_USB */
+#undef DLT_MATCHING_MAX		/* we may define more DLT_ values than they do */
+#endif
+
 #endif /* _WIN32 */
 
 #include <errno.h>