Resolving dependencies... cabal: Could not resolve dependencies: [__0] trying: mptcp-pm-0.0.3 (user goal) [__1] next goal: netlink (dependency of mptcp-pm) [__1] rejecting: netlink-1.1.1.0 (conflict: mptcp-pm => netlink>=1.1.2.0) [__1] skipping: netlink-1.1.0.0, netlink-1.0.0.4, netlink-0.1 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=1.1.2.0' from 'mptcp-pm') [__1] fail (backjumping, conflict set: mptcp-pm, netlink) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: mptcp-pm, netlink