Created attachment 380050 [details, diff] patch for bfgminer-4.3.0.ebuild Support for scrypt on Gridseed miners shouldn't depend on either cpumining or adl USE flags. A patch that fixes this is attached.
bugzilla doesn't know about any <luke_gentoo_bitcoin@dashjr.org> mentioned in metadata.xml.
This is fixed in 4.4.0.