gcc/fixincludes/fixopts.c

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/* Handle options that are passed from environment variables.
Copyright (C) 2004, 2009 Free Software Foundation, Inc.
This file is part of GCC.
GCC 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, or (at your option)
any later version.
GCC 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 GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#include "fixlib.h"
#define _ENV_(v,m,n,t) tCC* v = NULL;
ENV_TABLE
#undef _ENV_
void
initialize_opts (void)
{
static const char var_not_found[] =
#ifndef __STDC__
"fixincl ERROR: %s environment variable not defined\n"
#else
"fixincl ERROR: %s environment variable not defined\n"
"each of these must be defined:\n"
# define _ENV_(vv,mm,nn,tt) "\t" nn " - " tt "\n"
ENV_TABLE
# undef _ENV_
#endif
;
#define _ENV_(v,m,n,t) { tSCC var[] = n; \
v = getenv (var); if (m && (v == NULL)) { \
fprintf (stderr, var_not_found, var); \
exit (EXIT_FAILURE); } }
ENV_TABLE
#undef _ENV_
}