/*
 * version.c - version message utility functions
 *
 * Copyright © 2008 Julien Danjou <julien@danjou.info>
 * Copyright © 2008 Hans Ulrich Niedermann <hun@n-dimensional.de>
 *
 * 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.
 */

#include "config.h"
#include "common/version.h"
#include "awesome-version-internal.h"

#include <stdlib.h>
#include <stdio.h>

#include <lualib.h>
#include <lauxlib.h>

/** \brief Print version message and quit program.
 * \param executable program name
 */
void
eprint_version(void)
{
    printf("awesome " AWESOME_VERSION
	   " (" AWESOME_RELEASE ")\n"
	   " • Build:");
#if defined(__DATE__) && defined(__TIME__)
    printf(" " __DATE__ " " __TIME__);
#endif
    printf(" for %s", AWESOME_COMPILE_MACHINE);
#if defined(__GNUC__)				\
    && defined(__GNUC_MINOR__)			\
    && defined(__GNUC_PATCHLEVEL__)
    printf(" by gcc version %d.%d.%d",
	   __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__);
#endif
    printf(" (%s@%s)\n", AWESOME_COMPILE_BY, AWESOME_COMPILE_HOSTNAME);

    lua_State *L = luaL_newstate();
    luaopen_base(L);
    lua_getglobal(L, "_VERSION");
    printf(" • Compiled against "  LUA_RELEASE
           " (running with %s)\n", lua_tostring(L, -1));
    lua_close(L);

    printf(" • D-Bus support: ");
#ifdef WITH_DBUS
    printf("✔\n");
#else
    printf("✘\n");
#endif
    exit(EXIT_SUCCESS);
}

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