BuildSystem: Detect whether uselocale(.) is available.

ASTERISK-27712
Reported by: Joerg Sonnenberger, D'Arcy Cain

Change-Id: Idf1c9d43617a3e13028b95b313415903d80ef807

4 files changed, 7 insertions, 4 deletions

diff --git a/configure b/configure
index 2849fe591..a95da6958 100755
--- a/configure
+++ b/configure
@@ -16701,7 +16701,7 @@ fi
 done
 
 
-for ac_func in asprintf atexit closefrom dup2 eaccess endpwent euidaccess ffsll ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob ioperm inet_ntoa isascii memchr memmove memset mkdir mkdtemp munmap newlocale ppoll putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv utime vasprintf getpeereid sysctl swapctl
+for ac_func in asprintf atexit closefrom dup2 eaccess endpwent euidaccess ffsll ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob ioperm inet_ntoa isascii memchr memmove memset mkdir mkdtemp munmap newlocale ppoll putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv uselocale utime vasprintf getpeereid sysctl swapctl
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
diff --git a/configure.ac b/configure.ac
index 1bb4bc4ff..4622f955e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -754,7 +754,7 @@ AC_FUNC_STRNLEN
 AC_FUNC_STRTOD
 AC_FUNC_UTIME_NULL
 AC_FUNC_VPRINTF
-AC_CHECK_FUNCS([asprintf atexit closefrom dup2 eaccess endpwent euidaccess ffsll ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob ioperm inet_ntoa isascii memchr memmove memset mkdir mkdtemp munmap newlocale ppoll putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv utime vasprintf getpeereid sysctl swapctl])
+AC_CHECK_FUNCS([asprintf atexit closefrom dup2 eaccess endpwent euidaccess ffsll ftruncate getcwd gethostbyname gethostname getloadavg gettimeofday glob ioperm inet_ntoa isascii memchr memmove memset mkdir mkdtemp munmap newlocale ppoll putenv re_comp regcomp select setenv socket strcasecmp strcasestr strchr strcspn strdup strerror strlcat strlcpy strncasecmp strndup strnlen strrchr strsep strspn strstr strtod strtol strtold strtoq unsetenv uselocale utime vasprintf getpeereid sysctl swapctl])
 
 AC_MSG_CHECKING(for htonll)
 AC_LINK_IFELSE(
diff --git a/include/asterisk/autoconfig.h.in b/include/asterisk/autoconfig.h.in
index 4a9a273b7..06114616d 100644
--- a/include/asterisk/autoconfig.h.in
+++ b/include/asterisk/autoconfig.h.in
@@ -1203,6 +1203,9 @@
 /* Define to 1 if you have the uriparser library library. */
 #undef HAVE_URIPARSER
 
+/* Define to 1 if you have the `uselocale' function. */
+#undef HAVE_USELOCALE
+
 /* Define to 1 if you have the `utime' function. */
 #undef HAVE_UTIME
 
diff --git a/main/stdtime/localtime.c b/main/stdtime/localtime.c
index 2976e59c1..d0be9bb84 100644
--- a/main/stdtime/localtime.c
+++ b/main/stdtime/localtime.c
@@ -310,7 +310,7 @@ static struct state *	sstate_alloc(void);
 static void		sstate_free(struct state *p);
 
 static AST_LIST_HEAD_STATIC(zonelist, state);
-#ifdef HAVE_NEWLOCALE
+#if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE)
 static AST_LIST_HEAD_STATIC(localelist, locale_entry);
 #endif
 
@@ -2362,7 +2362,7 @@ struct timeval ast_mktime(struct ast_tm *tmp, const char *zone)
 	return time1(tmp, localsub, 0L, sp);
 }
 
-#ifdef HAVE_NEWLOCALE
+#if defined(HAVE_NEWLOCALE) && defined(HAVE_USELOCALE)
 static struct locale_entry *find_by_locale(locale_t locale)
 {
 	struct locale_entry *cur;