Move the inclusion of Rules.mk up so that things like CFLAGS get initialized
properly. Currently only zfs appends CFLAGS. If CFLAGS get reset by Rules.mk
the private settings are lost and compilation of zfs support fails.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
Otherwise make can search the path relative to certain standard paths
such as /usr/include (e.g., the line '-include $(XEN_ROOT)/.config' in
Config.mk suffers from this).
Signed-off-by: Keir Fraser <keir@xen.org>