ghc-boot-8.4.1: dependencies

Dependencies for ghc-boot-8.4.1

library	base (>=4.8 && <4.12) binary (>=0.8 && <0.9) bytestring (>=0.10 && <0.11) directory (>=1.2 && <1.4) filepath (>=1.3 && <1.5) ghc-boot-th (==8.4.1)