Resolving dependencies... cabal: Could not resolve dependencies: [__0] trying: batchd-libvirt-0.1.0.0 (user goal) [__1] next goal: libvirt-hs (dependency of batchd-libvirt) [__1] rejecting: libvirt-hs-0.2.2, libvirt-hs-0.2.1 (conflict: pkg-config package libvirt-any, not found in the pkg-config database) [__1] rejecting: libvirt-hs-0.2.0 (conflict: batchd-libvirt => libvirt-hs>=0.2.1) [__1] skipping: libvirt-hs-0.1.2, libvirt-hs-0.1 (has the same characteristics that caused the previous version to fail: excluded by constraint '>=0.2.1' from 'batchd-libvirt') [__1] fail (backjumping, conflict set: batchd-libvirt, libvirt-hs) After searching the rest of the dependency tree exhaustively, these were the goals I've had most trouble fulfilling: libvirt-hs, batchd-libvirt