Mail Archives: djgpp/1994/12/07/03:22:56
Regarding the response on 80387 problem:
Thanks for correcting my initial response and clearing things up a
bit.
Regards, Ron.
> Hello, all
>
> I think I have to clarify this heavily:
>
> >
> > Richard Hine wrote:
> >
> > > I am trying to use the gnu C compiler on a number of DOS PCs. The
> > > compiler was built for me from by a colleague who tells me that it was
> > > djgpp version 1.11.
> >
> and Ron Grunwald answered as follows:
>
> > What I'm wondering here is that maybe GCC was built on a machine that
> > had a math-coprocessor, either builtin or external. This may cause
> > the newly built version of GCC to use FPU instructions, and hence
> > cause your problems.
> >
>
> [rest deleted]
>
> Sorry, Ron, but that answer is wrong, if I've lost all my knowledge
> on djgpp usage without a copro.
>
> The compiler, and this *includes* the distributed version, *does* use
> floating-point instructions, if it isn't forced not to do so during
> the building process of the compiler itself (and forcing this is a
> real pain, as you will have to provide a math-emulator to build into
> cc1.) So, everyone who wants to compile anything with gcc (if not
> someone corrects me on this) *must* have some sort of '387 (extra
> chip, or inside his 486 or P5).
>
> So, what do you do if you don't have such a piece of silicon, you ask?
>
> EMULATE IT! That is: put the string "emu [...]/emu387" into your GO32
> environment variable, and make sure you have the 387 emulator, either
> DJ's version (sitting in djeoe112.zip), or wmemu112.zip.
>
> For further information : RTFM (Read The djgpp.Faq, Man!)
>
> Hans-Bernhard Broeker
>
>
********************************************************************
| Author.............. Ron Grunwald |
| Internet............ r DOT grunwald AT cowan DOT edu DOT au |
| Phone............... (09)273 8027 or (09)273 8468 |
|------------------------------------------------------------------|
| Department.......... Computer Operations and Systems Management |
| Division/Faculty.... Information Technology |
| Institute........... Edith Cowan University, Churchlands |
| Location............ Perth, Western Australia |
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"I don't have any solution but I certainly admire the problem!"
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