[Haskell-beginners] Using "cabal test" and getting "cabal: Prelude.read: no parse"

[Brent Yorgey]

On Tue, May 27, 2014 at 02:47:51PM -0400, Daniel King wrote:
> On Tue, May 27, 2014 at 1:45 PM, Brent Yorgey <byorgey at seas.upenn.edu> wrote:
> > This seems related, though I don't think it's your problem exactly:
> >
> >   https://github.com/haskell/cabal/issues/1366
> 
> I saw that, realized I didn't change directory at all and wasn't
> really sure how to proceed. It did help me narrow done the cause to
> something directly in the test suite though.
> 
> > Apparently a "read: no parse" error can be generated when cabal fails
> > to read a log file for some reason.  Can you tell us precisely what
> > versions of cabal and ghc you are using (i.e. the output of ghc
> > --version and cabal --version)?
> 
> Sure thing:
> 
>     1 danking at spock # cabal --version
>     cabal-install version 1.20.0.2
>     using version 1.20.0.0 of the Cabal library
> 
>     danking at spock # ghc --version
>     The Glorious Glasgow Haskell Compilation System, version 7.6.3
> 
> Upon seeing this version information, I tried changing my build-depends to
> depend on Cabal 1.20 or greater, but I still get the error.

Hmm, I'm not sure then.  The people who know the most about the
internals of Cabal likely do not read this list; you may have better
luck asking on stackoverflow.com and/or in the #hackage channel on
Freenode IRC.

-Brent