[mirror_zfs-debian.git] / config / kernel-kobj-name-len.m4

dnl #
dnl # 2.6.27 API change,
dnl # kobject KOBJ_NAME_LEN static limit removed.  All users of this
dnl # constant were removed prior to 2.6.27, but to be on the safe
dnl # side this check ensures the constant is undefined.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_KOBJ_NAME_LEN], [
	AC_MSG_CHECKING([whether kernel defines KOBJ_NAME_LEN])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/kobject.h>
	],[
		int val __attribute__ ((unused));
		val = KOBJ_NAME_LEN;
	],[
		AC_MSG_RESULT([yes])
		AC_DEFINE(HAVE_KOBJ_NAME_LEN, 1,
		          [kernel defines KOBJ_NAME_LEN])
	],[
		AC_MSG_RESULT([no])
	])
])
Commit	Line	Data
c9c0d073 BB	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	],[
79713039	12	int val __attribute__ ((unused));
c9c0d073 BB	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	])