--- /dev/null
+# getugroups.m4 serial 1
+dnl Copyright (C) 2002 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_GETUGROUPS],
+[
+ dnl Prerequisites of lib/getugroups.c.
+ AC_REQUIRE([AC_HEADER_STDC])
+ AC_CHECK_HEADERS_ONCE(string.h unistd.h)
+ AC_TYPE_GETGROUPS
+])