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# Test if the system uses DOS-style pathnames (drive specs and backslashes)
# By Paul Smith <psmith@gnu.org>. Based on dos.m4 by Jim Meyering.
#
# Copyright (C) 1993-2013 Free Software Foundation, Inc.
# This file is part of GNU Make.
#
# GNU Make 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 3 of the License, or (at your option) any later
# version.
#
# GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>.
AC_DEFUN([pds_AC_DOS_PATHS], [
AC_CACHE_CHECK([whether system uses MSDOS-style paths], [ac_cv_dos_paths], [
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#if !defined _WIN32 && !defined __WIN32__ && !defined __MSDOS__ && !defined __EMX__ && !defined __MSYS__ && !defined __CYGWIN__
neither MSDOS nor Windows nor OS2
#endif
]])],
[ac_cv_dos_paths=yes],
[ac_cv_dos_paths=no])])
AS_IF([test x"$ac_cv_dos_paths" = xyes],
[ AC_DEFINE_UNQUOTED([HAVE_DOS_PATHS], 1,
[Define if the system uses DOS-style pathnames.])])
])
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