[isisd] Add support for Solaris DLPI

2007-08-07 James Carlson <james.d.carlson@sun.com>

	* configure.ac: Added support for separate link-layer access
	  mechanisms in isisd.
	* isis_network.c: split up into isis_bpf.c, isis_dlpi.c, and
	  isis_pfpacket.c, selected by autoconf, and added DLPI support.
	* (general) Fixed to allow compilation and use on Solaris.
diff --git a/isisd/include-netbsd/iso.h b/isisd/include-netbsd/iso.h
index 714b42d..1a80aec 100644
--- a/isisd/include-netbsd/iso.h
+++ b/isisd/include-netbsd/iso.h
@@ -192,7 +192,13 @@
 #else
 /* user utilities definitions from the iso library */
 
+#ifdef SUNOS_5
+#define	__P(x)	x
+#define	__BEGIN_DECLS
+#define	__END_DECLS
+#else
 #include <sys/cdefs.h>
+#endif
 
 __BEGIN_DECLS
 struct iso_addr *iso_addr __P((const char *));