Message-ID: <19970820105803.55370@gil.physik.rwth-aachen.de>
Date: Wed, 20 Aug 1997 10:58:03 +0200
From: Christoph Kukulies <kuku AT gilberto DOT physik DOT RWTH-Aachen DOT DE>
To: spector AT EnchantedLearning DOT com
Cc: djgpp AT delorie DOT com
Subject: Re: Mixing Win32 compiler with djgpp (Allegro, etc.)
References: <33F6493E DOT 542B AT EnchantedLearning DOT com>
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In-Reply-To: <33F6493E.542B@EnchantedLearning.com>; from Mitchell Spector on Sat, Aug 16, 1997 at 05:43:42PM -0700
Precedence: bulk

On Sat, Aug 16, 1997 at 05:43:42PM -0700, Mitchell Spector wrote:
> Does anybody know if it's possible to compile code using a Win32
> compiler and then link that code with some djgpp support routines,
> ending up with a 32-bit protected-mode DOS program?  (Needless to
> say, the Win32 code wouldn't contain any Windows calls; I just want
> to be able to use the language syntax of a particular Win32 compiler.
> In other words, I'd just be using the Win32 compiler to produce
> generic x86 code.)
> 
> The reason I want to do this is I have some code written in Apple's
> Object Pascal (not the same as Borland-style Object Pascal) which I
> would like to port to a protected-mode DOS environment, using djgpp
> for graphics and other custom support routines. Unfortunately,
> there isn't a DOS compiler for Apple's Object Pascal, but there
> is a Win32-based compiler (Metrowerks CodeWarrior).  Using this
> compiler would let me leave the original code unchanged, which
> would be nice :-).  The underlying graphics and other MacOS routines
> that are called would be written using djgpp and Allegro, and
> djgpp would have to be able to link the code produced by the Win32
> compiler with this djgpp code.
> 
> It sounds like it should be possible to do this (32-bit x86 code
> shouldn't care which compiler produced it), but a different object
> file format may disturb the linker.
> 
> Thanks in advance for any solutions, or for any other ideas on this.
> 
> Mitchell
> --
> Mitchell Spector, Enchanted Learning Software
> E-mail: spector AT EnchantedLearning DOT com
> Award-winning web site for children (Little Explorers, Zoom Dinosaurs,
> Zoom Birds, Rebus Rhymes, and more): http://www.EnchantedLearning.com

I believe that you cannot at no chance do that with djgpp.
In your case I would recommend you give gnu-win32 
a try. They are about to release beta 19 in September, beta 18 is current.

see:
http://www.cygnus.com/misc/gnu-win32/


-- 
--Chris Christoph P. U. Kukulies kuku AT gil DOT physik DOT rwth-aachen DOT de