In some circumstances it's desirable to build rpm-native without depending on an external beecrypt, we should support that option within the metadata.
Patch submitted to use internal/bundled beecrypt when the beecrypt PACKAGECONFIG option is disabled: http://lists.openembedded.org/pipermail/openembedded-core/2016-February/117845.html
The proposed patch has been merged: http://git.yoctoproject.org/cgit/cgit.cgi/poky/commit/?id=afb954e2cb8c0f62a16fb4c720d519803ed2a28d