From 08116b48fed9f1abb1503bfbdccad19f67bc7b68 Mon Sep 17 00:00:00 2001
From: Chong Yidong <cyd@stupidchicken.com>
Date: Wed, 17 Oct 2007 15:57:30 +0000
Subject: [PATCH] Link to libs for calling res_init() if available.
 (Fmake_network_process): Call res_init() before getaddrinfo or gethostbyname,
 if possible.

---
 src/process.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/process.c b/src/process.c
index 19275e40db5..6749ebda117 100644
--- a/src/process.c
+++ b/src/process.c
@@ -121,6 +121,12 @@ Boston, MA 02110-1301, USA.  */
 #include <sys/wait.h>
 #endif
 
+#ifdef HAVE_RES_INIT
+#include <netinet/in.h>
+#include <arpa/nameser.h>
+#include <resolv.h>
+#endif
+
 #include "lisp.h"
 #include "systime.h"
 #include "systty.h"
@@ -3083,6 +3089,11 @@ usage: (make-network-process &rest ARGS)  */)
       hints.ai_family = family;
       hints.ai_socktype = socktype;
       hints.ai_protocol = 0;
+
+#ifdef HAVE_RES_INIT
+      res_init ();
+#endif
+
       ret = getaddrinfo (SDATA (host), portstring, &hints, &res);
       if (ret)
 #ifdef HAVE_GAI_STRERROR
@@ -3128,6 +3139,11 @@ usage: (make-network-process &rest ARGS)  */)
 	 as it may `hang' Emacs for a very long time.  */
       immediate_quit = 1;
       QUIT;
+
+#ifdef HAVE_RES_INIT
+      res_init ();
+#endif
+
       host_info_ptr = gethostbyname (SDATA (host));
       immediate_quit = 0;
 
-- 
2.39.2