$ cabal install yi-core -w ghc-7.10.3
Building library for yi-core-0.19.2..
src/Yi/Buffer/HighLevel.hs:130:18-35:
Could not find module ‘Data.List.NonEmpty’
It is a member of the hidden package ‘semigroups-0.19.1@IfBn1hkRmOv6mXQ39hiLLF
Perhaps you need to add ‘semigroups’ to the build-depends in your .cabal file.
src/Yi/CompletionTree.hs:42:18-31:
Could not find module ‘Data.Semigroup’
It is a member of the hidden package ‘semigroups-0.19.1@IfBn1hkRmOv6mXQ39hiLLF’.
...
src/Yi/Interact.hs:74:18-35:
Could not find module ‘Control.Monad.Fail’
It is a member of the hidden package ‘fail-4.9.0.0@4KThSkAsGNaKwJs42ZI3Ju’.
...
I made a revision on hackage to require
base >= 4.9
: https://hackage.haskell.org/package/yi-core-0.19.2/revisions/Please bump to
base >= 4.9
if you do not intend to support GHC 7.10.Same problem for: