////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2012-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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 3 of the License, or
// (at your option) any later version.
//
// Octave 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 Octave; see the file COPYING.  If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <cstdlib>

#include <iostream>
#include <string>

#include "liboctave-build-info.h"

#include "liboctinterp-build-info.h"

#include "liboctgui-build-info.h"

#include "oct-env.h"

#include "octave.h"
#include "octave-build-info.h"
#include "qt-application.h"
#include "sysdep.h"

static void
check_hg_versions (void)
{
  bool ok = true;

  // Each library and executable has its own definition of the hg
  // id.  They should always match but may be different because of a
  // botched installation or incorrect LD_LIBRARY_PATH or some other
  // unusual problem.

  std::string octave_id = octave_hg_id ();
  std::string liboctave_id = liboctave_hg_id ();
  std::string liboctinterp_id = liboctinterp_hg_id ();
  std::string liboctgui_id = liboctgui_hg_id ();

  if (octave_id != liboctave_id)
    {
      std::cerr << "octave hg id ("
                << octave_id
                << ") does not match liboctave hg id ("
                << liboctave_id
                << ')' << std::endl;
      ok = false;
    }

  if (octave_id != liboctinterp_id)
    {
      std::cerr << "octave hg id ("
                << octave_id
                << ") does not match liboctinterp hg id ("
                << liboctinterp_id
                << ')' << std::endl;
      ok = false;
    }

  if (octave_id != liboctgui_id)
    {
      std::cerr << "octave hg id ("
                << octave_id
                << ") does not match liboctgui hg id ("
                << liboctgui_id
                << ')' << std::endl;
      ok = false;
    }

  if (! ok)
    exit (1);
}

int
main (int argc, char **argv)
{
  check_hg_versions ();

  octave::sys::env::set_program_name (argv[0]);

  octave::qt_application app (argc, argv);

  return app.execute ();
}
