RE: GHC doesn't doesn't clean up the way it should

On 05 May 2004 13:09, Josef Svenningsson wrote:

> Hi again,
> 
> Here's a mini-bug.
> 
> I'm playing around with adding preprocessors to GHC. I'm using the
> flags -F and -pgmF for that. Since these are not terribly well
> documented I wanted to run with -v to see what happens. This showed
> the following: 
> 
> *** Haskell pre-processor
> trharp TestHarp.hs TestHarp.hs
> c:\DOCUME~1\JOSEFS~1\LOKALA~1\Temp\ghc2708.hspp
> ...
> *** Deleting temp files
> Deleting: c:/DOCUME~1/JOSEFS~1/LOKALA~1/Temp/ghc2708.hc
> Warning: deleting non-existent
> c:/DOCUME~1/JOSEFS~1/LOKALA~1/Temp/ghc2708.hc 
> 
> 
> Seems like GHC didn't remember the suffix of the file to delete.

Does it really leave the temporary file behind?  I tried it here and it
deleted the file.

> This happens with 6.2.1.
> 
> I also would like some more documentation on -F. Why does it send the
> program to be mangled twice to the pre-processor for instance?

The syntax of the command line is documented under the -pgmF option,
which you may have missed because -pgmF is documented in two places (I
just fixed that).  See here:

http://www.haskell.org/ghc/docs/latest/html/users_guide/options-phases.h
tml#PRE-PROCESSOR

Cheers,
        Simon