Hello all,
While installing packedstring:
> cabal install packedstring
Resolving dependencies...
Configuring packedstring-0.1.0.1...
Preprocessing library packedstring-0.1.0.1...
Building packedstring-0.1.0.1...
Data\PackedString.hs:83:7:
Could not find module `Data.Data':
It is a member of the hidden package `base'.
Perhaps you need to add `base' to the build-depends in your .cabal file.
Use -v to see a list of the files searched for.
cabal: Error: some packages failed to install:
packedstring-0.1.0.1 failed during the building phase. The exception was:
ExitFailure 1
> cabal install packedstring --preference="base >= 4"