Resolving dependencies... cabal: Could not resolve dependencies: trying: lighttpd-conf-qq-0.5 (user goal) trying: base-4.8.1.0/installed-4f7... (dependency of lighttpd-conf-qq-0.5) trying: lighttpd-conf-0.4 (dependency of lighttpd-conf-qq-0.5) next goal: packedstring (dependency of lighttpd-conf-0.4) rejecting: packedstring-0.1.0.1 (conflict: base==4.8.1.0/installed-4f7..., packedstring => base<4.4) rejecting: packedstring-0.1.0.0 (conflict: base==4.8.1.0/installed-4f7..., packedstring => base<4.3) Dependency tree exhaustively searched.