BNFC-2.9.4.1: dependencies

Dependencies for BNFC-2.9.4.1

library	array base (>=4.8 && <5) containers deepseq directory filepath mtl (>=2.2.1) pretty (>=1.1 && <1.2) process string-qq time transformers if impl(ghc<8.0) semigroups
bnfc	base BNFC