Resolving dependencies... Downloading xorshift-1... Configuring xorshift-1... Building xorshift-1... Preprocessing library xorshift-1... src/Random/Xorshift.hs:1:1: Could not find module `Prelude' It is a member of the hidden package `base'. Perhaps you need to add `base' to the build-depends in your .cabal file. It is a member of the hidden package `haskell98-2.0.0.2'. Perhaps you need to add `haskell98' to the build-depends in your .cabal file. It is a member of the hidden package `haskell2010-1.1.1.0'. Perhaps you need to add `haskell2010' to the build-depends in your .cabal file. Use -v to see a list of the files searched for. Failed to install xorshift-1 cabal: Error: some packages failed to install: xorshift-1 failed during the building phase. The exception was: ExitFailure 1