diff options
Diffstat (limited to 'm4/acx_check_dos_filesys.m4')
-rw-r--r-- | m4/acx_check_dos_filesys.m4 | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/m4/acx_check_dos_filesys.m4 b/m4/acx_check_dos_filesys.m4 new file mode 100644 index 0000000..b32063b --- /dev/null +++ b/m4/acx_check_dos_filesys.m4 @@ -0,0 +1,63 @@ +# =========================================================================== +# http://autoconf-archive.cryp.to/acx_check_dos_filesys.html +# =========================================================================== +# +# SYNOPSIS +# +# ACX_CHECK_DOS_FILESYS_LIMITATIONS +# +# DESCRIPTION +# +# Check if the target is running on DOS. DOS doesn't allow a dot as the +# first character, more than one dot, more than eight characters before a +# dot, and just three letters after the dot. A DOS VM running under +# Windows 9X does not have these restrictions. A DOS program can be +# running in either environment, so its important to code accordingly. +# Defines HAVE_DOS_FILESYS_LIMITATIONS if under DOS. +# +# Use in conjunction with ACX_CHECK_PATHNAME_STYLE_DOS. +# +# LICENSE +# +# Copyright (c) 2008 Mark Elbrecht +# +# 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 (at your +# option) any later version. +# +# This program 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/>. +# +# As a special exception, the respective Autoconf Macro's copyright owner +# gives unlimited permission to copy, distribute and modify the configure +# scripts that are the output of Autoconf when processing the Macro. You +# need not follow the terms of the GNU General Public License when using +# or distributing such scripts, even though portions of the text of the +# Macro appear in them. The GNU General Public License (GPL) does govern +# all other use of the material that constitutes the Autoconf Macro. +# +# This special exception to the GPL applies to versions of the Autoconf +# Macro released by the Autoconf Archive. When you make and distribute a +# modified version of the Autoconf Macro, you may extend this special +# exception to the GPL to apply to your modified version as well. + +AC_DEFUN([ACX_CHECK_DOS_FILESYS_LIMITATIONS], +[AC_MSG_CHECKING(for potential DOS filename limitations) +AC_CACHE_VAL(acx_cv_dos_limitations, +[AC_REQUIRE([AC_CANONICAL_HOST]) +acx_cv_dos_limitations="yes" +case ${host_os} in + *dos | *djgpp) acx_cv_dos_limitations="yes" +esac +]) +AC_MSG_RESULT($acx_cv_dos_limitations) +if test $acx_cv_dos_limitations = "yes"; then + AC_DEFINE(HAVE_DOS_FILESYS_LIMITATIONS) +fi +]) |