Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: BNFC-meta (user goal)
rejecting: BNFC-meta-0.4.0.3, BNFC-meta-0.4.0.2, BNFC-meta-0.4.0.1,
BNFC-meta-0.4, BNFC-meta-0.3.0.5, BNFC-meta-0.3.0.4, BNFC-meta-0.3.0.3,
BNFC-meta-0.3.0.2, BNFC-meta-0.3.0.1, BNFC-meta-0.3, BNFC-meta-0.2.2,
BNFC-meta-0.2.1, BNFC-meta-0.2.0.2, BNFC-meta-0.2.0.1, BNFC-meta-0.2,
BNFC-meta-0.1.0.3 (constraint from user target requires ==0.1.0.2)
trying: BNFC-meta-0.1.0.2
next goal: alex-meta (dependency of BNFC-meta-0.1.0.2)
rejecting: alex-meta-0.3.0.8, alex-meta-0.3.0.7, alex-meta-0.3.0.6,
alex-meta-0.3.0.5, alex-meta-0.3.0.4, alex-meta-0.3.0.3, alex-meta-0.3.0.2
(conflict: BNFC-meta => alex-meta<0.3)
trying: alex-meta-0.2.0.2
trying: happy-meta-0.2.0.8 (dependency of BNFC-meta-0.1.0.2)
next goal: haskell-src-meta (dependency of BNFC-meta-0.1.0.2)
rejecting: haskell-src-meta-0.7.0, haskell-src-meta-0.6.0.14,
haskell-src-meta-0.6.0.13, haskell-src-meta-0.6.0.12,
haskell-src-meta-0.6.0.11, haskell-src-meta-0.6.0.10,
haskell-src-meta-0.6.0.9, haskell-src-meta-0.6.0.8, haskell-src-meta-0.6.0.7,
haskell-src-meta-0.6.0.6, haskell-src-meta-0.6.0.5, haskell-src-meta-0.6.0.4,
haskell-src-meta-0.6.0.3, haskell-src-meta-0.6.0.2, haskell-src-meta-0.6.0.1,
haskell-src-meta-0.6, haskell-src-meta-0.5.1.2, haskell-src-meta-0.5.1.1,
haskell-src-meta-0.5.1, haskell-src-meta-0.5.0.3, haskell-src-meta-0.5.0.2,
haskell-src-meta-0.5, haskell-src-meta-0.4.0.2, haskell-src-meta-0.4.0.1,
haskell-src-meta-0.4 (conflict: BNFC-meta => haskell-src-meta>=0.1.1 && <0.4)
rejecting: haskell-src-meta-0.3 (conflict: happy-meta =>
haskell-src-meta>=0.5.1.2 && <1.0)
rejecting: haskell-src-meta-0.2, haskell-src-meta-0.1.1 (conflict: alex-meta
=> haskell-src-meta>=0.3 && <1.0)
rejecting: haskell-src-meta-0.1.0, haskell-src-meta-0.0.6,
haskell-src-meta-0.0.5, haskell-src-meta-0.0.4, haskell-src-meta-0.0.3.1,
haskell-src-meta-0.0.3, haskell-src-meta-0.0.2, haskell-src-meta-0.0.1,
haskell-src-meta-0.0.0 (conflict: BNFC-meta => haskell-src-meta>=0.1.1 &&
<0.4)
Dependency tree exhaustively searched.