summaryrefslogtreecommitdiff
path: root/m4/group-member.m4
blob: 7a7bb40afcb9539dd24db52876f15e5b22e4919f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
# serial 14

# Copyright (C) 1999-2001, 2003-2007, 2009-2021 Free Software Foundation, Inc.

# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

dnl Written by Jim Meyering

AC_DEFUN([gl_FUNC_GROUP_MEMBER],
[
  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])

  dnl Persuade glibc <unistd.h> to declare group_member().
  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])

  dnl Do this replacement check manually because I want the hyphen
  dnl (not the underscore) in the filename.
  AC_CHECK_FUNC([group_member], , [
    HAVE_GROUP_MEMBER=0
  ])
])

# Prerequisites of lib/group-member.c.
AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
[
  AC_REQUIRE([AC_FUNC_GETGROUPS])
])