1/* main.c: defines main() for cc1, cc1plus, etc.
2 Copyright (C) 2007-2023 Free Software Foundation, Inc.
3
4This file is part of GCC.
5
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
9version.
10
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14for more details.
15
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3. If not see
18<http://www.gnu.org/licenses/>. */
19
20#include "config.h"
21#include "system.h"
22#include "coretypes.h"
23#include "tm.h"
24#include "diagnostic-core.h"
25#include "toplev.h"
26
27int main (int argc, char **argv);
28
29/* We define main() to call toplev::main(), which is defined in toplev.cc.
30 We do this in a separate file in order to allow the language front-end
31 to define a different main(), if it so desires. */
32
33int
34main (int argc, char **argv)
35{
36 toplev toplev (NULL, /* external_timer */
37 true /* init_signals */);
38
39 int r = toplev.main (argc, argv);
40
41 if (flag_checking && !seen_error ())
42 toplev.finalize ();
43
44 return r;
45}
46

source code of gcc/main.cc