Resolving dependencies...
cabal: Could not resolve dependencies:
trying: levmar-1.2.1.6 (user goal)
trying: base-4.9.0.0/installed-4.9... (dependency of levmar-1.2.1.6)
next goal: bindings-levmar (dependency of levmar-1.2.1.6)
rejecting: bindings-levmar-1.1.0.3 (conflict: base==4.9.0.0/installed-4.9...,
bindings-levmar => base>=3 && <4.9)
rejecting: bindings-levmar-1.1.0.2 (conflict: base==4.9.0.0/installed-4.9...,
bindings-levmar => base>=3 && <4.8)
rejecting: bindings-levmar-1.1.0.1 (conflict: base==4.9.0.0/installed-4.9...,
bindings-levmar => base>=3 && <4.7)
rejecting: bindings-levmar-1.1 (conflict: base==4.9.0.0/installed-4.9...,
bindings-levmar => base>=3 && <4.6)
rejecting: bindings-levmar-1.0.0.2, bindings-levmar-1.0.0.1,
bindings-levmar-1.0, bindings-levmar-0.2.0.1, bindings-levmar-0.1.1.1,
bindings-levmar-0.1.1, bindings-levmar-0.1.0.1, bindings-levmar-0.1 (conflict:
levmar => bindings-levmar>=1.1 && <1.2)
Dependency tree exhaustively searched.