UnderscoreInUseFlag: USE flag 'bitmine_A1' uses reserved underscore character
  DeadUrl: version 4.10.0-r1: SRC_URI: 404 Client Error: Not Found for url: http://ck.kolivas.org/apps/cgminer/cgminer-4.10.0.tar.bz2
  RequiredUseDefaults: version 4.10.0-r1: profile: 'default/linux/amd64/17.0/musl' (79 total) failed REQUIRED_USE: ( ants1 || ants2 || ants3 || avalon || avalon2 || avalon4 || avalon7 || avalon-miner || bab || bflsc || bitforce || bitfury || bitmine_A1 || blockerupter || cointerra || drillbit || hashfast || hashratio || icarus || klondike || knc || minion || modminer || sp10 || sp30 )