Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: synthesizer-alsa (user goal)
rejecting: synthesizer-alsa-0.5.0.2, 0.5.0.1, 0.5, 0.4, 0.3 (global constraint
requires ==0.1)
trying: synthesizer-alsa-0.1
trying: base-4.8.1.0/installed-4f7... (dependency of synthesizer-alsa-0.1)
next goal: array (dependency of synthesizer-alsa-0.1)
rejecting: array-0.5.1.0/installed-d42..., 0.5.1.0, 0.5.0.0, 0.4.0.1, 0.4.0.0,
0.3.0.3, 0.3.0.2, 0.3.0.1, 0.3.0.0 (conflict: synthesizer-alsa => array>=0.1
&& <0.3)
rejecting: array-0.2.0.0, 0.1.0.0 (conflict: base==4.8.1.0/installed-4f7...,
array => base<4.3)
Dependency tree exhaustively searched.