if test "$enable_nfsv41" = yes; then
AC_CHECK_LIB([devmapper], [dm_task_create], [LIBDEVMAPPER="-ldevmapper"], AC_MSG_ERROR([libdevmapper needed]))
AC_CHECK_HEADER(libdevmapper.h, , AC_MSG_ERROR([Cannot find devmapper header file libdevmapper.h]))
+ AC_CHECK_HEADER(sys/inotify.h, , AC_MSG_ERROR([Cannot find header file sys/inotify.h]))
fi
dnl enable nfsidmap when its support by libnfsidmap