[Haskell-cafe] trouble installing greencard -- -fno-prune-tydecls flag ( was Re: trivial function application question )

[David House]

On 07/01/07, Ross Paterson <ross at soi.city.ac.uk> wrote:
> But it's not enough to just say "Ignore any errors above".  Some packages
> really do need happy (or some other tool) to build.  Cabal would need to
> crawl over the source files to see what preprocessors are really needed.

Even if we said something like the following would be better:

'runhaskell Setup.hs build' to continue. The tools listed above as
'not found' may be required by the package; the build process will
tell you if this is the case.

We need _something_ there. More complex solutions will likely have
their advantages, but _some_ solution is needed.

-- 
-David House, dmhouse at gmail.com