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-rw-r--r--build-aux/m4/m4-getopt.m435
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diff --git a/build-aux/m4/m4-getopt.m4 b/build-aux/m4/m4-getopt.m4
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+# -*- Autoconf -*-
+# m4-getopt.m4 -- Use the installed version of getopt.h if available.
+# Written by Gary V. Vaughan <gary@gnu.org>
+#
+# Copyright (C) 2005-2007, 2009-2010, 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 3
+
+# M4_GETOPT
+# ---------
+# Use the installed version of getopt.h if available.
+AC_DEFUN([M4_GETOPT],
+[
+ m4_divert_text([INIT_PREPARE], [M4_replace_getopt=])
+ m4_pushdef([AC_LIBOBJ], [M4_replace_getopt=:])
+ AC_REQUIRE([gl_FUNC_GETOPT_GNU])
+ m4_popdef([AC_LIBOBJ])
+ AM_CONDITIONAL([GETOPT], [test -n "$M4_replace_getopt"])
+])# M4_GETOPT