X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/5b2d69cc5b852ab2e884fdf76f78d2ee6ff3ff7f..5422d56a718805a2470558808355e04182a12d65:/m4/subpipe.m4?ds=inline
diff --git a/m4/subpipe.m4 b/m4/subpipe.m4
index d05bd77c..e41d1741 100644
--- a/m4/subpipe.m4
+++ b/m4/subpipe.m4
@@ -1,11 +1,12 @@
# -*- Autoconf -*-
# Checks required to run `subpipe'.
#
-# Copyright (C) 2002 Free Software Foundation, Inc.
+# Copyright (C) 2002-2003, 2005, 2009-2011 Free Software Foundation,
+# Inc.
#
-# This program is free software; you can redistribute it and/or modify
+# This program 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 2 of the License, or
+# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
@@ -14,16 +15,13 @@
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
+# along with this program. If not, see .
# Written by Paul Eggert .
AC_DEFUN([BISON_PREREQ_SUBPIPE],
[
AC_TYPE_PID_T
- AC_CHECK_HEADERS([fcntl.h sys/wait.h])
AC_HEADER_SYS_WAIT
AC_CHECK_FUNCS(dup2 waitpid)
AC_FUNC_FORK