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Message-ID: <46A7504A.8080802@roosnek.nl>
Date: Wed, 25 Jul 2007 15:29:46 +0200
From: Nico Roosnek <nico AT roosnek DOT nl>
Organization: roosnek research & development
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To: djgpp AT delorie DOT com
Subject: Re: a rare error occurs (DJDEV203, RHIDE 1.5ab with GCC4.12 )
References: <46A73661 DOT 2070909 AT roosnek DOT nl> <46A745CA DOT 5010508 AT iki DOT fi>
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Reply-To: djgpp AT delorie DOT com

Andris Pavenis wrote:
> Nico Roosnek wrote:
>> Dear DJ,
>>
>> I very much enjoy the package DJGPP for real time processing (16
>> hydrophones/32 microphones , chirps, Kalman estimation, etc.).
>> However since a month a rare error occurs.
>>
>> I use DJDEV203, RHIDE 1.5ab with GCC4.12 compiler version.
>> Since I changed from GCC3.77 code running errors are produced in case of
>> large programs (1.2 Mbyte with debugging),
>> for example the variable argc has a wrong value.
>> It has nothing to do with wrong programming, while it started almost in
>> the beginning and no memory allocation or graphics routines are used.
>> Is there any incompatibility between these packages.
>> The same happens for MSDOS on one computer and WIN98 on a notebook.
>> Thus the code produced by the packages is wrong.
>> (I use  DJGPP almost 5 years, starting with the GCC2.95 )
>>
>> Could you inform me about any incompatibility?
>>
> As far as I remember my last build of RHIDE was using GDB-6.3. I don't 
> remember which version was used in RHIDE-1.5a - perhaps GDB-6.1.1. 
> Both these versions are old and most likely the support of new GCC 
> versions (like GCC-4.1.2 or 4.2.0) is not expected to be very good.
>
> From the other side it's highly unlikely that there will be new 
> releases of RHIDE. The way how RHIDE uses GDB is a dead end and it's 
> only a time when it would fail totally with new GDB versions. I don't 
> however know if it is already so with already existing GDB versions as 
> I have neither used nor built RHIDE for at least 1.5 years.
>
> Andris
>
>
In the meantime I went back to GCC3.44 + the up to that time utility 
programs with Rhide15ab and dev203
and every thing works fine with the Allegro 4.21
I do not know where it goes wrong.
Thus some peculiarity  is present in that combination.
In the near future I will follow your advice.

Thanks for your help.

With regards,

Nico