| | 1 | # Finding valid warning flags for the C Compiler. -*-Autoconf-*- |
| | 2 | # |
| | 3 | # Copyright (C) 2001, 2002 Free Software Foundation, Inc. |
| | 4 | # |
| | 5 | # This program is free software; you can redistribute it and/or modify |
| | 6 | # it under the terms of the GNU General Public License as published by |
| | 7 | # the Free Software Foundation; either version 2 of the License, or |
| | 8 | # (at your option) any later version. |
| | 9 | # |
| | 10 | # This program is distributed in the hope that it will be useful, |
| | 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 13 | # GNU General Public License for more details. |
| | 14 | # |
| | 15 | # You should have received a copy of the GNU General Public License |
| | 16 | # along with this program; if not, write to the Free Software |
| | 17 | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| | 18 | # 02110-1301 USA |
| | 19 | |
| | 20 | # serial 1 |
| | 21 | |
| | 22 | AC_DEFUN([BISON_WARNING], |
| | 23 | [AC_MSG_CHECKING(whether compiler accepts $1) |
| | 24 | AC_SUBST(WARNING_CFLAGS) |
| | 25 | ac_save_CFLAGS="$CFLAGS" |
| | 26 | CFLAGS="$CFLAGS $1" |
| | 27 | AC_TRY_COMPILE(, |
| | 28 | [int x;], |
| | 29 | WARNING_CFLAGS="$WARNING_CFLAGS $1" |
| | 30 | AC_MSG_RESULT(yes), |
| | 31 | AC_MSG_RESULT(no)) |
| | 32 | CFLAGS="$ac_save_CFLAGS"]) |
projects / bison.git / blame_incremental