net/openmdns, fix -fno-common build error

Fix taken from FreeBSD

"...go ahead" gonzalo@ (maintainer)

net/openmdns/Makefile

@@ -1,10 +1,10 @@
-# $OpenBSD: Makefile,v 1.20 2019/07/12 20:48:35 sthen Exp $
+# $OpenBSD: Makefile,v 1.21 2021/02/20 19:54:26 bket Exp $
 
 COMMENT =		MDNS/DNS-SD daemon
 
 DISTNAME =		openmdns-0.7
 CATEGORIES =		net
-REVISION =		1
+REVISION =		2
 
 MAINTAINER =		Gonzalo L. R. <gonzalo@openbsd.org>
 

net/openmdns/patches/patch-mdnsd_control_c

@@ -0,0 +1,17 @@
+$OpenBSD: patch-mdnsd_control_c,v 1.1 2021/02/20 19:54:26 bket Exp $
+
+Fix -fno-common build error. Taken from
+https://svnweb.freebsd.org/ports?view=revision&revision=549579
+
+Index: mdnsd/control.c
+--- mdnsd/control.c.orig
++++ mdnsd/control.c
+@@ -53,6 +53,8 @@ void		 control_group_add_service(struct ctl_conn *, st
+ 
+ extern struct mdnsd_conf *conf;
+ 
++struct control_state control_state;
++
+ void
+ control_lookup(struct ctl_conn *c, struct imsg *imsg)
+ {

net/openmdns/patches/patch-mdnsd_control_h

@@ -0,0 +1,23 @@
+$OpenBSD: patch-mdnsd_control_h,v 1.1 2021/02/20 19:54:26 bket Exp $
+
+Fix -fno-common build error. Taken from
+https://svnweb.freebsd.org/ports?view=revision&revision=549579
+
+Index: mdnsd/control.h
+--- mdnsd/control.h.orig
++++ mdnsd/control.h
+@@ -26,10 +26,12 @@
+ 
+ #include "mdnsd.h"
+ 
+-struct {
++struct control_state {
+ 	struct event	ev;
+ 	int		fd;
+-} control_state;
++};
++
++extern struct control_state control_state;
+ 
+ enum blockmodes {
+ 	BM_NORMAL,

net/openmdns/patches/patch-mdnsd_mdns_c

@@ -0,0 +1,18 @@
+$OpenBSD: patch-mdnsd_mdns_c,v 1.3 2021/02/20 19:54:26 bket Exp $
+
+Fix -fno-common build error. Taken from
+https://svnweb.freebsd.org/ports?view=revision&revision=549579
+
+Index: mdnsd/mdns.c
+--- mdnsd/mdns.c.orig
++++ mdnsd/mdns.c
+@@ -45,6 +45,9 @@ extern struct mdnsd_conf	*conf;
+ struct question_tree		 question_tree;
+ struct cache_tree		 cache_tree;
+ 
++pg_q pg_queue;
++pge_q pge_queue;
++
+ /*
+  * RR cache
+  */

net/openmdns/patches/patch-mdnsd_mdnsd_c

@@ -0,0 +1,17 @@
+$OpenBSD: patch-mdnsd_mdnsd_c,v 1.1 2021/02/20 19:54:26 bket Exp $
+
+Fix -fno-common build error. Taken from
+https://svnweb.freebsd.org/ports?view=revision&revision=549579
+
+Index: mdnsd/mdnsd.c
+--- mdnsd/mdnsd.c.orig
++++ mdnsd/mdnsd.c
+@@ -45,6 +45,8 @@ int		mdns_sock(void);
+ void		fetchmyname(char [MAXHOSTNAMELEN]);
+ void		fetchhinfo(struct hinfo *);
+ 
++ctl_conns_t	ctl_conns;
++
+ struct mdnsd_conf	*conf = NULL;
+ extern char		*malloc_options;
+ 

net/openmdns/patches/patch-mdnsd_mdnsd_h

@@ -0,0 +1,32 @@
+$OpenBSD: patch-mdnsd_mdnsd_h,v 1.3 2021/02/20 19:54:26 bket Exp $
+
+Fix -fno-common build error. Taken from
+https://svnweb.freebsd.org/ports?view=revision&revision=549579
+
+Index: mdnsd/mdnsd.h
+--- mdnsd/mdnsd.h.orig
++++ mdnsd/mdnsd.h
+@@ -223,9 +223,11 @@ struct pge {
+ };
+ 
+ /* Publish Group Queue, should hold all publishing groups */
+-TAILQ_HEAD(, pg)  pg_queue;
++typedef TAILQ_HEAD(, pg) pg_q;
++extern pg_q pg_queue;
+ /* Publish Group Entry Queue, should hold all publishing group entries */
+-TAILQ_HEAD(, pge) pge_queue;
++typedef TAILQ_HEAD(, pge) pge_q;
++extern pge_q pge_queue;
+ 
+ struct kif {
+ 	char			ifname[IF_NAMESIZE];
+@@ -397,7 +399,8 @@ int		 rr_send_an(struct rr *);
+ void		 conflict_resolve_by_rr(struct rr *);
+ 
+ /* control.c */
+-TAILQ_HEAD(ctl_conns, ctl_conn) ctl_conns;
++typedef TAILQ_HEAD(ctl_conns, ctl_conn) ctl_conns_t;
++extern ctl_conns_t ctl_conns;
+ int     control_send_rr(struct ctl_conn *, struct rr *, int);
+ int	control_send_ms(struct ctl_conn *, struct mdns_service *, int);
+ int     control_try_answer_ms(struct ctl_conn *, char[MAXHOSTNAMELEN]);

net/openmdns/pkg/PLIST

@@ -1,9 +1,9 @@
-@comment $OpenBSD: PLIST,v 1.5 2018/09/04 12:46:18 espie Exp $
+@comment $OpenBSD: PLIST,v 1.6 2021/02/20 19:54:26 bket Exp $
 @newgroup _mdnsd:664
 @newuser _mdnsd:664:_mdnsd:daemon:MDNS Daemon:/var/empty:/sbin/nologin
+@rcscript ${RCDIR}/mdnsd
 @bin bin/mdnsctl
 @bin bin/mdnsd
 @man man/man8/mdnsctl.8
 @man man/man8/mdnsd.8
 share/doc/pkg-readmes/${PKGSTEM}
-@rcscript ${RCDIR}/mdnsd