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# https://www.gnu.org/software/autoconf-archive/ax_prog_crontab.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_PROG_CRONTAB
#
# DESCRIPTION
#
# Check for the program crontab, if exists let script continue, else pops
# an error message
#
# Besides checking existence, this macro also set these environment
# variables upon completion:
#
# CRONTAB = which crontab
#
# LICENSE
#
# Copyright (c) 2008 Gleen Salmon <gleensalmon@yahoo.com>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# 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
# scripts that are the output of Autoconf when processing the Macro. You
# need not follow the terms of the GNU General Public License when using
# or distributing such scripts, even though portions of the text of the
# Macro appear in them. The GNU General Public License (GPL) does govern
# all other use of the material that constitutes the Autoconf Macro.
#
# This special exception to the GPL applies to versions of the Autoconf
# Macro released by the Autoconf Archive. When you make and distribute a
# 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
AU_ALIAS([AC_PROG_CRONTAB], [AX_PROG_CRONTAB])
AC_DEFUN([AX_PROG_CRONTAB],[
AC_REQUIRE([AC_EXEEXT])dnl
AC_PATH_PROG(CRONTAB, crontab$EXEEXT, nocommand)
if test "$CRONTAB" = nocommand; then
AC_MSG_ERROR([crontab (needed for scheduled job) not found in $PATH])
fi;dnl
])
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