]> git.saurik.com Git - bison.git/blame_incremental - m4/subpipe.m4
maint: fix some syntax-check issues.
[bison.git] / m4 / subpipe.m4
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CommitLineData
1# -*- Autoconf -*-
2# Checks required to run `subpipe'.
3#
4# Copyright (C) 2002-2003, 2005, 2009-2012 Free Software Foundation,
5# Inc.
6#
7# This program 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 3 of the License, or
10# (at your option) any later version.
11#
12# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
19
20# Written by Paul Eggert <eggert@twinsun.com>.
21
22AC_DEFUN([BISON_PREREQ_SUBPIPE],
23[
24 AC_TYPE_PID_T
25 AC_HEADER_SYS_WAIT
26 AC_CHECK_FUNCS(dup2 waitpid)
27 AC_FUNC_FORK
28])