3 # Copyright (C) 1999-2001, 2003-2007, 2009-2018 Free Software Foundation, Inc.
5 # This file is free software; the Free Software Foundation
6 # gives unlimited permission to copy and/or distribute it,
7 # with or without modifications, as long as this notice is preserved.
9 dnl Written by Jim Meyering
11 AC_DEFUN([gl_FUNC_GROUP_MEMBER],
13 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
15 dnl Persuade glibc <unistd.h> to declare group_member().
16 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
18 dnl Do this replacement check manually because I want the hyphen
19 dnl (not the underscore) in the filename.
20 AC_CHECK_FUNC([group_member], , [
25 # Prerequisites of lib/group-member.c.
26 AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
28 AC_REQUIRE([AC_FUNC_GETGROUPS])