...
ccache gcc -DZABBIX_DAEMON -DSYSCONFDIR="\"/etc\"" -march=i486 -Os -fomit-frame-pointer -pipe    -I/usr/include     -I. -I/usr/include       -rdynamic -Wl,--as-needed  -o zabbix_agentd zabbix_agentd-active.o zabbix_agentd-stats.o zabbix_agentd-cpustat.o zabbix_agentd-diskdevices.o zabbix_agentd-perfstat.o zabbix_agentd-vmstats.o zabbix_agentd-logfiles.o zabbix_agentd-zabbix_agentd.o zabbix_agentd-zbxconf.o zabbix_agentd-listener.o ../../src/libs/zbxsysinfo/libzbxagentsysinfo.a ../../src/libs/zbxsysinfo/linux/libspecsysinfo.a ../../src/libs/zbxsysinfo/agent/libagentsysinfo.a ../../src/libs/zbxsysinfo/common/libcommonsysinfo.a ../../src/libs/zbxsysinfo/simple/libsimplesysinfo.a ../../src/libs/zbxlog/libzbxlog.a ../../src/libs/zbxalgo/libzbxalgo.a ../../src/libs/zbxsys/libzbxsys.a ../../src/libs/zbxnix/libzbxnix.a ../../src/libs/zbxcomms/libzbxcomms.a ../../src/libs/zbxconf/libzbxconf.a ../../src/libs/zbxcommon/libzbxcommon.a ../../src/libs/zbxcrypto/libzbxcrypto.a ../../src/libs/zbxjson/libzbxjson.a ../../src/libs/zbxexec/libzbxexec.a   -lcurl  -lm   -liconv
../../src/libs/zbxsysinfo/common/libcommonsysinfo.a(net.o): In function `dns_query.isra.0':
net.c:(.text+0x312): undefined reference to `res_send'
collect2: ld returned 1 exit status
make[2]: *** [zabbix_agent] Error 1
make[2]: *** Waiting for unfinished jobs....
../../src/libs/zbxsysinfo/common/libcommonsysinfo.a(net.o): In function `dns_query.isra.0':
net.c:(.text+0x312): undefined reference to `res_send'
collect2: ld returned 1 exit status
make[2]: *** [zabbix_agentd] Error 1

Index: src/libs/zbxsysinfo/common/net.c
===================================================================
--- src/libs/zbxsysinfo/common/net.c	(revision 28283)
+++ src/libs/zbxsysinfo/common/net.c	(working copy)
@@ -418,6 +418,7 @@
 #else	/* not _WINDOWS */
 	res_init();	/* initialize always, settings might have changed */
 
+#if defined(HAVE_RES_MKQUERY) && defined(HAVE_RES_SEND)
 	if (-1 == (res = res_mkquery(QUERY, zone, C_IN, type, NULL, 0, NULL, buf, sizeof(buf))))
 		return SYSINFO_RET_FAIL;
 
@@ -436,7 +437,12 @@
 	_res.retry = retry;
 
 	res = res_send(buf, res, answer.buffer, sizeof(answer.buffer));
-
+#else /* defined(HAVE_RES_QUERY) && defined(HAVE_RES_SEND) */
+	/* retrand and retry are ignored */
+	if (-1 == (res = res_query(zone, C_IN, type, answer.buffer, sizeof(answer.buffer))))
+		return SYSINFO_RET_FAIL;
+#endif
+	
 	hp = (HEADER *)answer.buffer;
 
 	if (1 == short_answer)
Index: configure.in
===================================================================
--- configure.in	(revision 28283)
+++ configure.in	(working copy)
@@ -149,6 +149,10 @@
 	AC_MSG_ERROR([Unable to DNS lookup functions "${found_resolv}"])
 fi
 LIBS="${LIBS} ${RESOLV_LIBS}"
+AC_SEARCH_LIBS([res_mkquery], [], [AC_DEFINE([HAVE_RES_MKQUERY], 1, [Define if res_mkquery exists])])
+AC_SEARCH_LIBS([__res_mkquery], [], [AC_DEFINE([HAVE_RES_MKQUERY], 1, [Define if res_mkquery exists])])
+AC_SEARCH_LIBS([res_send], [], [AC_DEFINE([HAVE_RES_SEND], 1, [Define if res_send exists])])
+AC_SEARCH_LIBS([__res_send], [], [AC_DEFINE([HAVE_RES_SEND], 1, [Define if res_send exists])])
 
 dnl *****************************************************************
 dnl *                                                               *