Make sure logrotate directory exists

Otherwise, `make install` may fail.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Allow dumps of stopped multithreaded processes

CRIU can handle stopped multithreaded processes when all threads
are stopped. Refine the check to allow this case.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Sort x86_64 VDSO entries alphabetically

This will make comparison with other ports easier.

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Acked-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>