config/kernel-generic_readlink.m4

   1 dnl #
   2 dnl # 4.10 API
   3 dnl #
   4 dnl # NULL inode_operations.readlink implies generic_readlink(), which
   5 dnl # has been made static.
   6 dnl #
   7 AC_DEFUN([ZFS_AC_KERNEL_GENERIC_READLINK_GLOBAL], [
   8         AC_MSG_CHECKING([whether generic_readlink is global])
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/fs.h>
  11         ],[
  12                 int i __attribute__ ((unused));
  13
  14                 i = generic_readlink(NULL, NULL, 0);
  15         ],[
  16                 AC_MSG_RESULT([yes])
  17                 AC_DEFINE(HAVE_GENERIC_READLINK, 1,
  18                           [generic_readlink is global])
  19         ],[
  20                 AC_MSG_RESULT([no])
  21         ])
  22 ])