[Haskell-cafe] Re: what does the hidden package error mean?
deniz.a.m.dogan at gmail.com
Sat Apr 11 07:44:08 EDT 2009
I agree, a better error message (or something less cryptic w.r.t. the
new guy) would be very nice.
2009/4/10 Anatoly Yakovenko <aeyakovenko at gmail.com>:
> Ah, bytestring was missing from the build-depends,
> what a confusing error message, can we change it to say
> "package Foo is missing from the MyPackage.cabal build-depends"
> would be a lot more obvious how to fix it.
> On Fri, Apr 10, 2009 at 1:36 PM, Anatoly Yakovenko
> <aeyakovenko at gmail.com> wrote:
>> I am trying to build ParseP on the latest ghc, and i am getting this error:
>> Could not find module `Data.ByteString.Char8':
>> it is a member of package bytestring-0.9.1.4, which is hidden
>> what does "hidden" mean? why does this work in ghci
>>> import Data.ByteString
>>> import Data.ByteString.Char8
>> without any problems
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