1 /* Handle options that are passed from environment variables. 2 3 Copyright (C) 2004 Free Software Foundation, Inc. 4 5 This file is part of GCC. 6 7 GCC is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2, or (at your option) 10 any later version. 11 12 GCC is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with GCC; see the file COPYING. If not, write to 19 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 20 Boston, MA 02110-1301, USA. */ 21 22 #include "fixlib.h" 23 24 #define _ENV_(v,m,n,t) tCC* v = NULL; 25 ENV_TABLE 26 #undef _ENV_ 27 28 void 29 initialize_opts (void) 30 { 31 static const char var_not_found[] = 32 #ifndef __STDC__ 33 "fixincl ERROR: %s environment variable not defined\n" 34 #else 35 "fixincl ERROR: %s environment variable not defined\n" 36 "each of these must be defined:\n" 37 # define _ENV_(vv,mm,nn,tt) "\t" nn " - " tt "\n" 38 ENV_TABLE 39 # undef _ENV_ 40 #endif 41 ; 42 43 #define _ENV_(v,m,n,t) { tSCC var[] = n; \ 44 v = getenv (var); if (m && (v == NULL)) { \ 45 fprintf (stderr, var_not_found, var); \ 46 exit (EXIT_FAILURE); } } 47 48 ENV_TABLE 49 50 #undef _ENV_ 51 } 52