3 # Copyright (C) 1999-2001, 2003-2007, 2009-2015 Free Software
6 # This file is free software; the Free Software Foundation
7 # gives unlimited permission to copy and/or distribute it,
8 # with or without modifications, as long as this notice is preserved.
10 dnl Written by Jim Meyering
12 AC_DEFUN([gl_FUNC_GROUP_MEMBER],
14 AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
16 dnl Persuade glibc <unistd.h> to declare group_member().
17 AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
19 dnl Do this replacement check manually because I want the hyphen
20 dnl (not the underscore) in the filename.
21 AC_CHECK_FUNC([group_member], , [
26 # Prerequisites of lib/group-member.c.
27 AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
29 AC_REQUIRE([AC_FUNC_GETGROUPS])