Resolving dependencies...
Error: cabal: Could not resolve dependencies:
[__0] next goal: libvirt-hs (user goal)
[__0] rejecting: libvirt-hs-0.2.3 (conflict: pkg-config package libvirt-any,
not found in the pkg-config database)
[__0] rejecting: libvirt-hs-0.2.2, libvirt-hs-0.2.1, libvirt-hs-0.2.0,
libvirt-hs-0.1.2, libvirt-hs-0.1 (constraint from user target requires
==0.2.3)
[__0] fail (backjumping, conflict set: libvirt-hs)
After searching the rest of the dependency tree exhaustively, these were the
goals I've had most trouble fulfilling: libvirt-hs