erlang-emmap has broken dependencies in the F-21 tree:
On x86_64:
erlang-emmap-0-0.8.git05ae1bb.fc21.x86_64 requires erlang(erl_nif_version) = 0:2.4
On i386:
erlang-emmap-0-0.8.git05ae1bb.fc21.i686 requires erlang(erl_nif_version) = 0:2.4
On armhfp:
erlang-emmap-0-0.8.git05ae1bb.fc21.armv7hl requires erlang(erl_nif_version) = 0:2.4
Please resolve this as soon as possible.