Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: verilog (user goal)
rejecting: verilog-0.0.11, 0.0.10, 0.0.9, 0.0.8, 0.0.7, 0.0.6, 0.0.5, 0.0.4,
0.0.2, 0.0.1 (global constraint requires ==0.0.0)
trying: verilog-0.0.0
trying: base-4.8.1.0/installed-4f7... (dependency of verilog-0.0.0)
next goal: parsec (dependency of verilog-0.0.0)
rejecting: parsec-3.1.9, 3.1.8, 3.1.7, 3.1.6, 3.1.5, 3.1.4, 3.1.3, 3.1.2,
3.1.1, 3.1.0, 3.0.1, 3.0.0 (conflict: verilog => parsec>=2.1.0.1 && <2.2)
rejecting: parsec-2.1.0.1 (conflict: base==4.8.1.0/installed-4f7..., parsec =>
base<4.8)
rejecting: parsec-2.1.0.0, 2.0 (conflict: verilog => parsec>=2.1.0.1 && <2.2)
Dependency tree exhaustively searched.