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From: Rugxulo <rugxulo AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: /beta/pth207b.zip seems to need 686+
Date: Sat, 14 Mar 2009 00:29:34 -0700 (PDT)
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To: djgpp AT delorie DOT com
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Reply-To: djgpp AT delorie DOT com

Hi,

On Mar 14, 12:41=A0am, "Rod Pemberton" <do_not_h DOT  DOT  DOT  AT nohavenot DOT cmm>
wrote:
> "Rugxulo" <rugx DOT  DOT  DOT  AT gmail DOT com> wrote in message
>
> news:516e4445-01a0-4d00-bb08-2451923f7ce0 AT g38g2000yqd DOT googlegroups DOT com...
>
> > > But neither works without an FPU
> > > ...
> > on my 486 Sx/25:
> > ...
> > signal SIGNOFP Coprocessor not available
>
> Yup... =A0You tried to execute a floating point instruction on a cpu whic=
h
> doesn't support ESC sequences. =A0IIRC, you need a DX series 486 or an SX
> series 486 *and* a 487 SX coprocessor. =A0Odd, I also seem to recall the =
386
> was the last series with an optionally separate FPU... =A0Anyway, another
> option is software emulation.
>
> Perhaps, FAQ 11.1 "11.1 Floating-point code without 80387" would help?
> I.e., it first suggests adding -lemu to your link flags and optionally
> setting some DOS environment variables (see putenv()). =A0Then, it sugges=
ts
> some software emulators.http://www.delorie.com/djgpp/v2faq/faq11_1.html

Thanks for the attempts at help, Rod, but I already tried all that.

I think by coincidence I stumbled upon the answer with all my recent
Ada curiosity. It must be some conflict of exceptions when trying to
use GNU Pth and FPU emulation at the same time. (I guess FSU Pthreads
somehow avoids this, found a compiled version of LIBGTHRE.A inside
GNAT3104.ZIP inside EZL1998F.ZIP on Simtel under /ada/, but I'm highly
skeptical it'll work !! No clue how M.K. got it to work in 4.57.)