add new build knobs and jigger some existing controls to improve

control over the result of buildworld and installworld; this especially
helps packaging systems such as nanobsd

Reviewed by:	various (posted to arch)
MFC after:	1 month

3 files changed, 20 insertions, 5 deletions

diff --git a/usr.bin/netstat/Makefile b/usr.bin/netstat/Makefile
index c781556..bb73c67 100644
--- a/usr.bin/netstat/Makefile
+++ b/usr.bin/netstat/Makefile
@@ -5,7 +5,7 @@
 
 PROG=	netstat
 SRCS=	if.c inet.c main.c mbuf.c mcast.c mroute.c route.c \
-	unix.c atalk.c netgraph.c mroute6.c ipsec.c bpf.c pfkey.c sctp.c
+	unix.c atalk.c mroute6.c ipsec.c bpf.c pfkey.c sctp.c
 
 WARNS?=	3
 CFLAGS+=-fno-strict-aliasing
@@ -20,8 +20,15 @@ CFLAGS+=-DINET6
 
 BINGRP=	kmem
 BINMODE=2555
-DPADD=	${LIBKVM} ${LIBMEMSTAT} ${LIBNETGRAPH} ${LIBUTIL}
-LDADD=	-lkvm -lmemstat -lnetgraph -lutil
+DPADD=	${LIBKVM} ${LIBMEMSTAT} ${LIBUTIL}
+LDADD=	-lkvm -lmemstat -lutil
+
+.if ${MK_NETGRAPH_SUPPORT} != "no"
+SRCS+=	netgraph.c
+DPADD+=	${LIBNETGRAPH}
+LDADD+=	-lnetgraph
+CFLAGS+=-DNETGRAPH
+.endif
 
 .if ${MK_IPX_SUPPORT} != "no"
 SRCS+=	ipx.c
diff --git a/usr.bin/netstat/main.c b/usr.bin/netstat/main.c
index 3b130b2..1f2f0e1 100644
--- a/usr.bin/netstat/main.c
+++ b/usr.bin/netstat/main.c
@@ -54,7 +54,9 @@ __FBSDID("$FreeBSD$");
 
 #include <netinet/in.h>
 
+#ifdef NETGRAPH
 #include <netgraph/ng_socket.h>
+#endif
 
 #include <ctype.h>
 #include <err.h>
@@ -272,7 +274,7 @@ struct protox atalkprotox[] = {
 	{ -1,		-1,		0,	NULL,
 	  NULL,		NULL,		NULL,	0,	0 }
 };
-
+#ifdef NETGRAPH
 struct protox netgraphprotox[] = {
 	{ N_NGSOCKS,	-1,		1,	netgraphprotopr,
 	  NULL,		NULL,		"ctrl",	0,	0 },
@@ -281,7 +283,7 @@ struct protox netgraphprotox[] = {
 	{ -1,		-1,		0,	NULL,
 	  NULL,		NULL,		NULL,	0,	0 }
 };
-
+#endif
 #ifdef IPX
 struct protox ipxprotox[] = {
 	{ N_IPX,	N_IPXSTAT,	1,	ipxprotopr,
@@ -384,9 +386,11 @@ main(int argc, char *argv[])
 				af = AF_UNIX;
 			else if (strcmp(optarg, "atalk") == 0)
 				af = AF_APPLETALK;
+#ifdef NETGRAPH
 			else if (strcmp(optarg, "ng") == 0
 			    || strcmp(optarg, "netgraph") == 0)
 				af = AF_NETGRAPH;
+#endif
 			else if (strcmp(optarg, "link") == 0)
 				af = AF_LINK;
 			else {
@@ -584,9 +588,11 @@ main(int argc, char *argv[])
 	if (af == AF_APPLETALK || af == AF_UNSPEC)
 		for (tp = atalkprotox; tp->pr_name; tp++)
 			printproto(tp, tp->pr_name);
+#ifdef NETGRAPH
 	if (af == AF_NETGRAPH || af == AF_UNSPEC)
 		for (tp = netgraphprotox; tp->pr_name; tp++)
 			printproto(tp, tp->pr_name);
+#endif /* NETGRAPH */
 	if ((af == AF_UNIX || af == AF_UNSPEC) && !Lflag && !sflag)
 		unixpr(nl[N_UNP_COUNT].n_value, nl[N_UNP_GENCNT].n_value,
 		    nl[N_UNP_DHEAD].n_value, nl[N_UNP_SHEAD].n_value);
diff --git a/usr.bin/netstat/netstat.h b/usr.bin/netstat/netstat.h
index 0b7f439..3812e63 100644
--- a/usr.bin/netstat/netstat.h
+++ b/usr.bin/netstat/netstat.h
@@ -145,7 +145,9 @@ void	nserr_stats(u_long, const char *, int, int);
 void	atalkprotopr(u_long, const char *, int, int);
 void	ddp_stats(u_long, const char *, int, int);
 
+#ifdef NETGRAPH
 void	netgraphprotopr(u_long, const char *, int, int);
+#endif
 
 void	unixpr(u_long, u_long, u_long, u_long);