Make libnuma optional.
Make libnuma optional.

flashxio/FlashX,flashxio/FlashX,flashxio/FlashX,icoming/FlashGraph,flashxio/FlashX,flashxio/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashGraph,icoming/FlashGraph,icoming/FlashX,icoming/FlashX,icoming/FlashX,icoming/FlashGraph,icoming/FlashX,icoming/FlashGraph