mysterious directory include error

[Simon Marlow]

On 13 September 2005 00:25, Frederik Eaton wrote:

>>> Works for me with a 6.4.1 snapshot.
>> 
>> I've upgraded to 6.4.1.20050903 and it still doesn't work. Did you
>> remember to create the empty directory 'foo'?
>> 
>> Of course, I think there are two things wrong: (1) the fact that it
>> doesn't work, (2) the fact that the error message is uninformative.
> 
> Oh, I'm sorry, it's possible that I was using the wrong version. I
> think /usr/bin/runghc is version 6.4. However, it strangely reports
> being version 6.4.1:
> 
> $ /usr/bin/runghc --version
> The Glorious Glasgow Haskell Compilation System, version
> 6.4.1.20050903 $ /usr/bin/ghc --version
> The Glorious Glasgow Haskell Compilation System, version 6.4
> $ ghc --version
> The Glorious Glasgow Haskell Compilation System, version
> 6.4.1.20050903 $ runghc --version
> runghc: syntax: runghc [-f GHCPATH] [GHC-ARGS] FILE ARG...[1]$
> 
> When I use the newer version I am unable to reproduce the problem.
> 
> (by the way, it would be nice if --version and --help were functional
> in the newer versions of runghc)

This happens because runghc uses whatever ghc is on your path, and it
passes any flags it doesn't understand to that ghc.

Cheers,
	Simon