| | 1 | # -*- Autoconf -*- |
| | 2 | # Checks required to run `subpipe'. |
| | 3 | # |
| | 4 | # Copyright (C) 2002 Free Software Foundation, Inc. |
| | 5 | # |
| | 6 | # This program is free software; you can redistribute it and/or modify |
| | 7 | # it under the terms of the GNU General Public License as published by |
| | 8 | # the Free Software Foundation; either version 2 of the License, or |
| | 9 | # (at your option) any later version. |
| | 10 | # |
| | 11 | # This program is distributed in the hope that it will be useful, |
| | 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| | 14 | # GNU General Public License for more details. |
| | 15 | # |
| | 16 | # You should have received a copy of the GNU General Public License |
| | 17 | # along with this program; if not, write to the Free Software |
| | 18 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| | 19 | # 02111-1307 USA |
| | 20 | |
| | 21 | # Written by Paul Eggert <eggert@twinsun.com>. |
| | 22 | |
| | 23 | AC_DEFUN([BISON_PREREQ_SUBPIPE], |
| | 24 | [ |
| | 25 | AC_TYPE_PID_T |
| | 26 | AC_CHECK_HEADERS([fcntl.h sys/wait.h]) |
| | 27 | AC_HEADER_SYS_WAIT |
| | 28 | AC_CHECK_FUNCS(dup2 waitpid) |
| | 29 | AC_FUNC_FORK |
| | 30 | ]) |
projects / bison.git / blame_incremental