1bddb0a7ae40b90865bf05746dba0defedf3fea5
[zfs.git] / config / kernel-show-options.m4
1 dnl #
2 dnl # Linux 3.3 API
3 dnl #
4 AC_DEFUN([ZFS_AC_KERNEL_SHOW_OPTIONS], [
5         AC_MSG_CHECKING([whether sops->show_options() wants dentry])
6
7         ZFS_LINUX_TRY_COMPILE([
8                 #include <linux/fs.h>
9         ],[
10                 int (*show_options) (struct seq_file *, struct dentry *) = NULL;
11                 struct super_operations sops __attribute__ ((unused));
12
13                 sops.show_options = show_options;
14         ],[
15                 AC_MSG_RESULT([yes])
16                 AC_DEFINE(HAVE_SHOW_OPTIONS_WITH_DENTRY, 1,
17                         [sops->show_options() with dentry])
18         ],[
19                 AC_MSG_RESULT([no])
20         ])
21 ])