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build: Update for newer autoconf.

* configure.ac (AC_PREREQ): Use >= 2.69.
(AC_CONFIG_HEADERS): Use it, instead of AC_CONFIG_HEADER.
(AC_HEADER_STDC, AC_HEADER_TIME): Remove obsolete macros.
(sys/time.h): Add the check of the header.
(time_t): Don't use TIME_WITH_SYS_TIME.
* acinclude.m4 (AC_HEADER_TIME): Don't require.
Don't use TIME_WITH_SYS_TIME.
* dirmngr/dns.c: Don't use TIME_WITH_SYS_TIME.

--

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
(cherry picked from commit 6b4441a7de)
This commit is contained in:
NIIBE Yutaka 2021-12-22 10:36:26 +09:00 committed by Werner Koch
parent cdb053620a
commit 51dc05c308
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 13 additions and 26 deletions

View file

@ -329,18 +329,12 @@ fi
#
AC_DEFUN([GNUPG_TIME_T_UNSIGNED],
[ AC_CACHE_CHECK(whether time_t is unsigned, gnupg_cv_time_t_unsigned,
[AC_REQUIRE([AC_HEADER_TIME])dnl
AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY(
[AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY(
[AC_INCLUDES_DEFAULT([])
#if TIME_WITH_SYS_TIME
#if HAVE_SYS_TIME_H
# include <sys/time.h>
# include <time.h>
#else
# if HAVE_SYS_TIME_H
# include <sys/time.h>
# else
# include <time.h>
# endif
# include <time.h>
#endif
],
[((time_t)-1) < 0])],