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- # ===========================================================================
- # https://www.gnu.org/software/autoconf-archive/ax_check_strftime.html
- # ===========================================================================
- #
- # SYNOPSIS
- #
- # AX_CHECK_STRFTIME
- #
- # DESCRIPTION
- #
- # Check for existence and functioning of strftime routine.
- #
- # LICENSE
- #
- # Copyright (c) 2008 Bruce Korb <bkorb@gnu.org>
- #
- # Copying and distribution of this file, with or without modification, are
- # permitted in any medium without royalty provided the copyright notice
- # and this notice are preserved. This file is offered as-is, without any
- # warranty.
-
- #serial 6
-
- AU_ALIAS([AG_CHECK_STRFTIME], [AX_CHECK_STRFTIME])
- AC_DEFUN([AX_CHECK_STRFTIME],[
- AC_MSG_CHECKING([whether strftime() works])
- AC_CACHE_VAL([ax_cv_strftime],[
- AC_TRY_RUN([#include <time.h>
- char t_buf[ 64 ];
- int main() {
- static const char z[] = "Thursday Aug 28 240";
- struct tm tm;
- tm.tm_sec = 36; /* seconds after the minute [0, 61] */
- tm.tm_min = 44; /* minutes after the hour [0, 59] */
- tm.tm_hour = 12; /* hour since midnight [0, 23] */
- tm.tm_mday = 28; /* day of the month [1, 31] */
- tm.tm_mon = 7; /* months since January [0, 11] */
- tm.tm_year = 86; /* years since 1900 */
- tm.tm_wday = 4; /* days since Sunday [0, 6] */
- tm.tm_yday = 239; /* days since January 1 [0, 365] */
- tm.tm_isdst = 1; /* flag for daylight savings time */
- strftime( t_buf, sizeof( t_buf ), "%A %b %d %j", &tm );
- return (strcmp( t_buf, z ) != 0); }],[ax_cv_strftime=yes],[ax_cv_strftime=no],[ax_cv_strftime=no]
- ) # end of TRY_RUN]) # end of CACHE_VAL
-
- AC_MSG_RESULT([$ax_cv_strftime])
- if test x$ax_cv_strftime = xyes
- then
- AC_DEFINE(HAVE_STRFTIME, 1,
- [Define this if strftime() works])
- fi
- ]) # end of AC_DEFUN of AX_CHECK_STRFTIME
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