Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: verilog (user goal)
rejecting: verilog-0.0.11, verilog-0.0.10, verilog-0.0.9, verilog-0.0.8,
verilog-0.0.7, verilog-0.0.6, verilog-0.0.5, verilog-0.0.4, verilog-0.0.2,
verilog-0.0.1 (constraint from user target requires ==0.0.0)
trying: verilog-0.0.0
trying: base-4.9.0.0/installed-4.9... (dependency of verilog-0.0.0)
next goal: parsec (dependency of verilog-0.0.0)
rejecting: parsec-3.1.11, parsec-3.1.10, parsec-3.1.9, parsec-3.1.8,
parsec-3.1.7, parsec-3.1.6, parsec-3.1.5, parsec-3.1.4, parsec-3.1.3,
parsec-3.1.2, parsec-3.1.1, parsec-3.1.0, parsec-3.0.1, parsec-3.0.0
(conflict: verilog => parsec>=2.1.0.1 && <2.2)
rejecting: parsec-2.1.0.1 (conflict: base==4.9.0.0/installed-4.9..., parsec =>
base<4.8)
rejecting: parsec-2.1.0.0, parsec-2.0 (conflict: verilog => parsec>=2.1.0.1 &&
<2.2)
Dependency tree exhaustively searched.