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Diffstat (limited to 'build-aux/m4/m4-regex.m4')
| -rw-r--r-- | build-aux/m4/m4-regex.m4 | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/build-aux/m4/m4-regex.m4 b/build-aux/m4/m4-regex.m4 new file mode 100644 index 00000000..e7fa38af --- /dev/null +++ b/build-aux/m4/m4-regex.m4 @@ -0,0 +1,39 @@ +# -*- Autoconf -*- +# m4-regex.m4 -- Use the installed regex if it is good enough. +# Written by Gary V. Vaughan <gary@gnu.org> +# +# Copyright (C) 2003-2004, 2006-2007, 2010, 2013 Free Software +# Foundation, Inc. +# +# This file is part of GNU M4. +# +# GNU M4 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 M4 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/>. + +# serial 4 + +# M4_REGEX([path/to/regex.c]) +# --------------------------- +# Use the installed regex if it is good enough. +AC_DEFUN([M4_REGEX], +[AC_BEFORE([gl_REGEX], [M4_REGEX]) +if test $ac_use_included_regex = no; then + INCLUDE_REGEX_H='#include <regex.h>' + REGEX_H= +else + INCLUDE_REGEX_H='#include <gnu/regex.h>' + REGEX_H=regex.h +fi +AC_SUBST([REGEX_H]) +AC_SUBST([INCLUDE_REGEX_H]) +])# M4_REGEX |