zfs/config/kernel-kobj-name-len.m4

   1 dnl #
   2 dnl # 2.6.27 API change,
   3 dnl # kobject KOBJ_NAME_LEN static limit removed.  All users of this
   4 dnl # constant were removed prior to 2.6.27, but to be on the safe
   5 dnl # side this check ensures the constant is undefined.
   6 dnl #
   7 AC_DEFUN([ZFS_AC_KERNEL_KOBJ_NAME_LEN], [
   8         AC_MSG_CHECKING([whether kernel defines KOBJ_NAME_LEN])
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/kobject.h>
  11         ],[
  12                 int val __attribute__ ((unused));
  13                 val = KOBJ_NAME_LEN;
  14         ],[
  15                 AC_MSG_RESULT([yes])
  16                 AC_DEFINE(HAVE_KOBJ_NAME_LEN, 1,
  17                           [kernel defines KOBJ_NAME_LEN])
  18         ],[
  19                 AC_MSG_RESULT([no])
  20         ])
  21 ])