Hi,
thanks for a fine bug report. The panic you're running
into is something that could be handled more gracefully
by the compiler.
Workaround is simple, just add -fvia-C to your GHC
command-line.
--sigbjorn
btw, I'd encourage you to make your Postgres Haskell
binding available to other Haskell programmers. Looks
like there's plenty of good stuff in there.
----- Original Message -----
From: "Brett Giles" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, February 09, 2002 12:31
Subject: Compiler 5.02 asked me to report a bug.
> Hi, While using green-card to create an interface for postgres database
> access, I recieved the following when I executed
>
> ghc -c PG.hs -o PG.o -fglasgow-exts -i/usr/local/gc-2.03/lib/ghc
> -package text -package data -package util
>
>
> ghc-5.02: panic! (the `impossible' happened, GHC version 5.02):
> Native code generator can't handle foreign call
> {-_ccall-}__casm ``do {PGresult * t;int result;
> t = (PGresult *)%0;
> do { result = PQnfields( t );
>
> %r = (int)(result);} while(0);} while(0);''
>
> Please report it as a compiler bug to [EMAIL PROTECTED],
> or http://sourceforge.net/projects/ghc/.
>
>
> I am using a newly compiled version of green-card (2.03) on Debian
> testing. This is interfacing to postgres version 7.1.3, standard Debian
> install.
>
> The ghc is the standard Debian testing install asl well.
>
> I have attached the PG.gc ,hs and .hi files, as well as an optional
> include file used for hugs...
>
> Please note, this interface has been working for hugs (albeit with
problems)
>
> Please let me know if there is anything I can do to assist in further
> debugging.
>
>
> Brett Giles
> Grad Student in formal methods, University of Calgary,
> http://www.cpsc.ucalgary.ca/~gilesb
>
>
..
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