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configure: fix detection of re-entrant resolver functions

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uClibc does not provide res_nsearch:
asterisk-16.0.0/main/dns.c:506: undefined reference to `res_nsearch'

Patch coded by Yann E. MORIN:
http://lists.busybox.net/pipermail/buildroot/2018-October/232630.html

ASTERISK-21795 #close

Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
[Retrieved from:
https: //git.buildroot.net/buildroot/tree/package/asterisk/0005-configure-fix-detection-of-re-entrant-resolver-funct.patch]
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Change-Id: I79296f19e28ec764bbd1e991bf11c416d0b10563
(cherry picked from commit a10b4f5d2c)
This commit is contained in:
Fabrice Fontaine
2023-03-08 19:26:51 +01:00
committed by Asterisk Development Team
parent 20b0cfca39
commit 7a6c146c4e
2 changed files with 10 additions and 2 deletions
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6
configure vendored
View File

@@ -19663,7 +19663,11 @@ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
int int
main () main ()
{ {
int foo = res_ninit(NULL);
int foo;
foo = res_ninit(NULL);
foo = res_nsearch(NULL, NULL, 0, 0, NULL, 0);
; ;
return 0; return 0;
} }

6
configure.ac
View File

@@ -1494,7 +1494,11 @@ AC_LINK_IFELSE(
#include <arpa/nameser.h> #include <arpa/nameser.h>
#endif #endif
#include <resolv.h>], #include <resolv.h>],
[int foo = res_ninit(NULL);])], [
int foo;
foo = res_ninit(NULL);
foo = res_nsearch(NULL, NULL, 0, 0, NULL, 0);
])],
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_RES_NINIT], 1, [Define to 1 if your system has the re-entrant resolver functions.]) AC_DEFINE([HAVE_RES_NINIT], 1, [Define to 1 if your system has the re-entrant resolver functions.])
AC_SEARCH_LIBS(res_9_ndestroy, resolv) AC_SEARCH_LIBS(res_9_ndestroy, resolv)