code.delx.au - gnu-emacs/blob - m4/group-member.m4

   1 # serial 14
   2
   3 # Copyright (C) 1999-2001, 2003-2007, 2009-2015 Free Software
   4 # Foundation, Inc.
   5
   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.
   9
  10 dnl Written by Jim Meyering
  11
  12 AC_DEFUN([gl_FUNC_GROUP_MEMBER],
  13 [
  14   AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
  15
  16   dnl Persuade glibc <unistd.h> to declare group_member().
  17   AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
  18
  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], , [
  22     HAVE_GROUP_MEMBER=0
  23   ])
  24 ])
  25
  26 # Prerequisites of lib/group-member.c.
  27 AC_DEFUN([gl_PREREQ_GROUP_MEMBER],
  28 [
  29   AC_REQUIRE([AC_FUNC_GETGROUPS])
  30 ])