1dnl A function to set the command for computing the MD5 checksum of text files.
2dnl Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
3dnl Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)
4dnl
5dnl This file is part of the Parma Polyhedra Library (PPL).
6dnl
7dnl The PPL is free software; you can redistribute it and/or modify it
8dnl under the terms of the GNU General Public License as published by the
9dnl Free Software Foundation; either version 3 of the License, or (at your
10dnl option) any later version.
11dnl
12dnl The PPL is distributed in the hope that it will be useful, but WITHOUT
13dnl ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14dnl FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
15dnl for more details.
16dnl
17dnl You should have received a copy of the GNU General Public License
18dnl along with this program; if not, write to the Free Software Foundation,
19dnl Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.
20dnl
21dnl For the most up-to-date information see the Parma Polyhedra Library
22dnl site: http://bugseng.com/products/ppl/ .
23
24AC_DEFUN([AC_TEXT_MD5SUM],
25[
26AC_MSG_CHECKING([for the text md5sum command])
27if echo a | (md5sum -t) >/dev/null 2>&1
28then
29  ac_cv_prog_text_md5sum='md5sum -t'
30else
31  ac_cv_prog_text_md5sum='md5sum'
32fi
33AC_MSG_RESULT($ac_cv_prog_text_md5sum)
34TEXT_MD5SUM=$ac_cv_prog_text_md5sum
35AC_SUBST([TEXT_MD5SUM])
36])
37
38
39