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[FreeBSD/FreeBSD.git] / config / kernel-in-compat-syscall.m4
1 dnl #
2 dnl # 4.5 API change
3 dnl # Added in_compat_syscall() which can be overridden on a per-
4 dnl # architecture basis.  Prior to this is_compat_task() was the
5 dnl # provided interface.
6 dnl #
7 AC_DEFUN([ZFS_AC_KERNEL_IN_COMPAT_SYSCALL], [
8         AC_MSG_CHECKING([whether in_compat_syscall() is available])
9         ZFS_LINUX_TRY_COMPILE([
10                 #include <linux/compat.h>
11         ],[
12                 in_compat_syscall();
13         ],[
14                 AC_MSG_RESULT(yes)
15                 AC_DEFINE(HAVE_IN_COMPAT_SYSCALL, 1,
16                     [in_compat_syscall() is available])
17         ],[
18                 AC_MSG_RESULT(no)
19         ])
20 ])