Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: ixdopp (user goal)
rejecting: ixdopp-0.1.3, 0.1.2, 0.1.1 (global constraint requires ==0.1)
trying: ixdopp-0.1
trying: base-4.8.1.0/installed-4f7... (dependency of ixdopp-0.1)
trying: preprocessor-tools-1.0.1 (dependency of ixdopp-0.1)
trying: parsec-3.1.9 (dependency of preprocessor-tools-1.0.1)
trying: text-1.2.1.3 (dependency of parsec-3.1.9)
trying: deepseq-1.4.1.1/installed-8fb... (dependency of text-1.2.1.3)
next goal: haskell98 (dependency of ixdopp-0.1)
rejecting: haskell98-2.0.0.3 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base>=4.7 && <4.8)
rejecting: haskell98-2.0.0.2 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base==4.6.*)
rejecting: haskell98-2.0.0.1 (conflict: deepseq =>
array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.5)
rejecting: haskell98-2.0.0.0 (conflict: deepseq =>
array==0.5.1.0/installed-d42..., haskell98 => array>=0.3 && <0.4)
rejecting: haskell98-1.1.0.1, 1.1.0.0, 1.0.1.1 (conflict:
base==4.8.1.0/installed-4f7..., haskell98 => base>=3 && <4.6)
rejecting: haskell98-1.0.1.0 (conflict: base==4.8.1.0/installed-4f7...,
haskell98 => base<4.6)
rejecting: haskell98-1.0 (conflict: base==4.8.1.0/installed-4f7..., haskell98
=> base<4.3)
Dependency tree exhaustively searched.