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Update ax_type_socklen_t.m4 to latest version

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Fixes warning about obsolete macro AC_TRY_COMPILE with autoconf 2.71
This commit is contained in:
matt335672 2022-11-03 14:53:47 +00:00
parent b7d0bd784a
commit 17dda486a1
1 changed files with 9 additions and 11 deletions
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20
m4/ax_type_socklen_t.m4
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@ -1,5 +1,5 @@
# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_type_socklen_t.html
# https://www.gnu.org/software/autoconf-archive/ax_type_socklen_t.html
# ===========================================================================
#
# SYNOPSIS
@ -27,7 +27,7 @@
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
# with this program. If not, see <https://www.gnu.org/licenses/>.
#
# As a special exception, the respective Autoconf Macro's copyright owner
# gives unlimited permission to copy, distribute and modify the configure
@ -42,18 +42,16 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
#serial 6
#serial 8
AU_ALIAS([TYPE_SOCKLEN_T], [AX_TYPE_SOCKLEN_T])
AC_DEFUN([AX_TYPE_SOCKLEN_T],
[AC_CACHE_CHECK([for socklen_t], ac_cv_ax_type_socklen_t,
[
AC_TRY_COMPILE(
[#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t len = (socklen_t) 42; return (!len);],
ac_cv_ax_type_socklen_t=yes,
ac_cv_ax_type_socklen_t=no)
[AC_CACHE_CHECK([for socklen_t], [ac_cv_ax_type_socklen_t],
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
#include <sys/socket.h>]],
[[socklen_t len = (socklen_t) 42; return (!len);]])],
[ac_cv_ax_type_socklen_t=yes],
[ac_cv_ax_type_socklen_t=no])
])
if test $ac_cv_ax_type_socklen_t != yes; then
AC_DEFINE(socklen_t, int, [Substitute for socklen_t])