granicus.if.org Git - zfs/blob - config/kernel-group-info.m4

   1 dnl #
   2 dnl # 4.9 API change
   3 dnl # group_info changed from 2d array via >blocks to 1d array via ->gid
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_GROUP_INFO_GID], [
   6         AC_MSG_CHECKING([whether group_info->gid exists])
   7         tmp_flags="$EXTRA_KCFLAGS"
   8         EXTRA_KCFLAGS="-Werror"
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/cred.h>
  11         ],[
  12                 struct group_info *gi = groups_alloc(1);
  13                 gi->gid[0] = KGIDT_INIT(0);
  14         ],[
  15                 AC_MSG_RESULT(yes)
  16                 AC_DEFINE(HAVE_GROUP_INFO_GID, 1, [group_info->gid exists])
  17         ],[
  18                 AC_MSG_RESULT(no)
  19         ])
  20         EXTRA_KCFLAGS="$tmp_flags"
  21 ])