Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: mathgenealogy (user goal)
rejecting: mathgenealogy-1.3.0, 1.2.0, 1.1.1 (global constraint requires
==1.1.0)
trying: mathgenealogy-1.1.0
trying: base-4.7.0.1/installed-e4b... (dependency of mathgenealogy-1.1.0)
next goal: process (dependency of mathgenealogy-1.1.0)
rejecting: process-1.2.0.0/installed-163..., 1.2.3.0, 1.2.2.0, 1.2.1.0,
1.2.0.0 (conflict: mathgenealogy => process>=1.1 && <1.2)
trying: process-1.1.0.2
rejecting: process-1.1.0.2:+base4 (conflict: base==4.7.0.1/installed-e4b...,
process-1.1.0.2:base4 => base>=4 && <4.7)
rejecting: process-1.1.0.2:-base4 (conflict: base==4.7.0.1/installed-e4b...,
process-1.1.0.2:base4 => base>=3 && <4)
Backjump limit reached (change with --max-backjumps).