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31 lines
1013 B
Plaintext
31 lines
1013 B
Plaintext
# -*- Autoconf -*-
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# Checks required to run `subpipe'.
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#
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# Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# 02111-1307 USA
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# Written by Paul Eggert <eggert@twinsun.com>.
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AC_DEFUN([BISON_PREREQ_SUBPIPE],
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[
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AC_TYPE_PID_T
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AC_CHECK_HEADERS([fcntl.h])
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AC_HEADER_SYS_WAIT
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AC_CHECK_FUNCS(dup2 waitpid)
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AC_FUNC_FORK
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])
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