Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hmpfr (user goal)
rejecting: hmpfr-0.4.2, hmpfr-0.4.1, hmpfr-0.4.0.2, hmpfr-0.4.0.1,
hmpfr-0.4.0, hmpfr-0.3.3.5, hmpfr-0.3.3.4, hmpfr-0.3.3.3, hmpfr-0.3.3.2,
hmpfr-0.3.3.1, hmpfr-0.3.3 (constraint from user target requires ==0.3.2)
trying: hmpfr-0.3.2
next goal: integer-simple (dependency of hmpfr-0.3.2)
rejecting: integer-simple-0.1.1.1 (only already installed instances can be
used)
Dependency tree exhaustively searched.