config/kernel-kstrtoul.m4

   1 dnl #
   2 dnl # 2.6.39 API change
   3 dnl #
   4 dnl # If kstrtoul() doesn't exist, fallback to use strict_strtoul() which has
   5 dnl # existed since 2.6.25.
   6 dnl #
   7 AC_DEFUN([ZFS_AC_KERNEL_SRC_KSTRTOUL], [
   8         ZFS_LINUX_TEST_SRC([kstrtoul], [
   9                 #include <linux/kernel.h>
  10         ],[
  11                 int ret __attribute__ ((unused)) = kstrtoul(NULL, 10, NULL);
  12         ])
  13 ])
  14
  15 AC_DEFUN([ZFS_AC_KERNEL_KSTRTOUL], [
  16         AC_MSG_CHECKING([whether kstrtoul() exists])
  17         ZFS_LINUX_TEST_RESULT([kstrtoul], [
  18                 AC_MSG_RESULT(yes)
  19                 AC_DEFINE(HAVE_KSTRTOUL, 1, [kstrtoul() exists])
  20         ],[
  21                 AC_MSG_RESULT(no)
  22         ])
  23 ])