These are the packages that would be merged, in order:

Calculating dependencies ...

!!! Problem resolving dependencies for =net-misc/cgminer-4.10.0-r1
 done!
Dependency resolution took 0.83 s (backtrack: 0/20).


!!! The ebuild selected to satisfy "=net-misc/cgminer-4.10.0-r1" has unmet requirements.
- net-misc/cgminer-4.10.0-r1::gentoo USE="ncurses -ants1 -ants2 -ants3 -avalon -avalon-miner -avalon2 -avalon4 -avalon7 -bab -bflsc -bitforce -bitfury -bitmine_A1 -blockerupter -cointerra -doc -drillbit -examples -hardened -hashfast -hashratio -icarus -klondike -knc -minion -modminer -sp10 -sp30 -udev"

  The following REQUIRED_USE flag constraints are unsatisfied:
    any-of ( 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 )