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dnl #
dnl # 4.6 API for compile-time stack validation
dnl #
AC_DEFUN([ZFS_AC_KERNEL_OBJTOOL], [
AC_MSG_CHECKING([for compile-time stack validation (objtool)])
ZFS_LINUX_TRY_COMPILE([
#undef __ASSEMBLY__
#include <asm/frame.h>
],[
#if !defined(FRAME_BEGIN)
CTASSERT(1);
#endif
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KERNEL_OBJTOOL, 1, [kernel does stack verification])
],[
AC_MSG_RESULT(no)
])
])
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