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getopt_decision.h
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/*********************************************************************/
// dar - disk archive - a backup/restoration program
// Copyright (C) 2002-2024 Denis Corbin
//
// 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, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// to contact the author, see the AUTHOR file
/*********************************************************************/
#ifndef GETOPT_DECISION_H
#define GETOPT_DECISION_H
#include "../my_config.h"
#if HAVE_GETOPT_LONG
#if HAVE_GETOPT_IN_UNISTD_H
#if HAVE_GETOPT_LONG_IN_UNISTD_H
// we do not need to include <getopt.h>
#else // we miss getopt_long but have getopt
#include "my_getopt_long.h"
#endif
#else // no getopt() in unistd.h
// we assume that if unistd.h does not know getopt() it does nor know getopt_long()
#include <getopt.h>
#endif
#endif
#ifndef EOF
#define EOF -1
#endif
#endif
my_config.h
include macro defined by the configure script and some specific additional ones
my_getopt_long.h
may lead to the definition of getopt_long to solve declaration conflicts in <unistd....