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emacs/m4/timegm.m4
Paul Eggert 365e01cc9f Update copyright year to 2020
Run "TZ=UTC0 admin/update-copyright $(git ls-files)".
2020-01-01 00:59:52 +00:00

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# timegm.m4 serial 12
dnl Copyright (C) 2003, 2007, 2009-2020 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_TIMEGM],
[
AC_REQUIRE([gl_HEADER_TIME_H_DEFAULTS])
AC_REQUIRE([gl_FUNC_MKTIME_WORKS])
REPLACE_TIMEGM=0
AC_CHECK_FUNCS_ONCE([timegm])
if test $ac_cv_func_timegm = yes; then
if test "$gl_cv_func_working_mktime" != yes; then
# Assume that timegm is buggy if mktime is.
REPLACE_TIMEGM=1
fi
else
HAVE_TIMEGM=0
fi
])
# Prerequisites of lib/timegm.c.
AC_DEFUN([gl_PREREQ_TIMEGM], [
:
])