Linux-2.6.33 compat, .ctl_name removed from struct ctl_table

[mirror_spl.git] / config / spl-build.m4

diff --git a/config/spl-build.m4 b/config/spl-build.m4
index c6f47b68ffd49bb4cb3628c4c6b8578308a76d27..135783cdccbc0193f3e77e00677aaacb62d8fed7 100644 (file)
--- a/config/spl-build.m4
+++ b/config/spl-build.m4
@@ -36,6 +36,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
        SPL_AC_PATH_IN_NAMEIDATA
        SPL_AC_TASK_CURR
        SPL_AC_CTL_UNNUMBERED
+       SPL_AC_CTL_NAME
        SPL_AC_FLS64
        SPL_AC_DEVICE_CREATE
        SPL_AC_5ARGS_DEVICE_CREATE
@@ -641,6 +642,25 @@ AC_DEFUN([SPL_AC_CTL_UNNUMBERED],
        ])
 ])
 
+dnl #
+dnl # 2.6.33 API change,
+dnl # Removed .ctl_name from struct ctl_table.
+dnl #
+AC_DEFUN([SPL_AC_CTL_NAME], [
+       AC_MSG_CHECKING([whether struct ctl_table has ctl_name])
+       SPL_LINUX_TRY_COMPILE([
+               #include <linux/sysctl.h>
+       ],[
+               struct ctl_table ctl;
+               ctl.ctl_name = 0;
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_CTL_NAME, 1, [struct ctl_table has ctl_name])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])
+
 dnl #
 dnl # 2.6.16 API change.
 dnl # Check if 'fls64()' is available