1*4882a593SmuzhiyunFrom 9b4070944578336506cd0a76de6f733c72d0ca74 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: "Yann E. MORIN" <yann.morin.1998@free.fr>
3*4882a593SmuzhiyunDate: Sat, 13 Oct 2018 11:11:15 +0200
4*4882a593SmuzhiyunSubject: [PATCH] configure: fix detection of re-entrant resolver functions
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunFixes https://issues.asterisk.org/jira/browse/ASTERISK-21795
7*4882a593Smuzhiyun
8*4882a593SmuzhiyunuClibc does not provide res_nsearch:
9*4882a593Smuzhiyunasterisk-16.0.0/main/dns.c:506: undefined reference to `res_nsearch'
10*4882a593Smuzhiyun
11*4882a593SmuzhiyunPatch coded by Yann E. MORIN:
12*4882a593Smuzhiyunhttp://lists.busybox.net/pipermail/buildroot/2018-October/232630.html
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunSigned-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
15*4882a593Smuzhiyun---
16*4882a593Smuzhiyun configure.ac | 6 +++++-
17*4882a593Smuzhiyun 1 file changed, 5 insertions(+), 1 deletion(-)
18*4882a593Smuzhiyun
19*4882a593Smuzhiyundiff --git a/configure.ac b/configure.ac
20*4882a593Smuzhiyunindex dd0c8edd13..ee1ca9ceb6 100644
21*4882a593Smuzhiyun--- a/configure.ac
22*4882a593Smuzhiyun+++ b/configure.ac
23*4882a593Smuzhiyun@@ -1388,7 +1388,11 @@ AC_LINK_IFELSE(
24*4882a593Smuzhiyun 			#include <arpa/nameser.h>
25*4882a593Smuzhiyun 			#endif
26*4882a593Smuzhiyun 			#include <resolv.h>],
27*4882a593Smuzhiyun-			[int foo = res_ninit(NULL);])],
28*4882a593Smuzhiyun+			[
29*4882a593Smuzhiyun+				int foo;
30*4882a593Smuzhiyun+				foo = res_ninit(NULL);
31*4882a593Smuzhiyun+				foo = res_nsearch(NULL, NULL, 0, 0, NULL, 0);
32*4882a593Smuzhiyun+			])],
33*4882a593Smuzhiyun 	AC_MSG_RESULT(yes)
34*4882a593Smuzhiyun 	AC_DEFINE([HAVE_RES_NINIT], 1, [Define to 1 if your system has the re-entrant resolver functions.])
35*4882a593Smuzhiyun 	AC_SEARCH_LIBS(res_9_ndestroy, resolv)
36*4882a593Smuzhiyun--
37*4882a593Smuzhiyun2.19.1
38*4882a593Smuzhiyun
39