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From: "David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada on Ultra2/Ultra10
Date: Tue, 27 Mar 2001 11:10:39 -0600
Organization: CRC: A wholly owned subsidiary of Thermo Electron
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References: <UT%v6.1895$NR.146162@news3.oke.nextra.no>
 <7q2w6.10835$Wz.4167516@typhoon.ne.mediaone.net>
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Date: 2001-03-27T17:09:37+00:00
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A possible cause is some library which is statically linked on the Ultra10,
and dynamically linked on the Ultra2.  The ldd command will show this.

If that is the case, then the executable produced on the Ultra10 might
not run on the Ultra2, because the dynamically linked library object
wouldn't be there.

You might also get some useful insight by linking with the map file option,
and comparing the two maps.

"Jeff Creem" <jeff@thecreems.com> wrote in message
news:7q2w6.10835$Wz.4167516@typhoon.ne.mediaone.net...
> I would say the most likely reason is that the two machines have somewhat
> different libraries that are getting linked in. I do not expect that the
> compiler
> itself is producing any different code (unless you were to change
switches).
> Try just re-doing the a.ld on the Ultra 10 after doing the rest of the
make
> on the
> ultra 1.
>
> Also, poke around in /usr/lib and I suspect you will find libraries of
> different
> sizes (either due to patches on one machine v.s. the other or architecture
> specific libraries).
>
>
> "Stian Kaasa" <stian.kaasa@caa.no> wrote in message
> news:UT%v6.1895$NR.146162@news3.oke.nextra.no...
> > Hi all
> > I have built executables using VADS ADA v. 6.2.3 and SunOS 5.5.1. on two
> > different platforms. First, on a Sun Ultra 2, and then on a Sun Ultra
10.
> >
> > The resulting executables are approx. 10 % smaller when I use Ultra 10
as
> > compile engine, compared to when I use the Ultra 2 (same compiler and
same
> > OS ).
> >
> > Before I can put the executables into production, I must come up with an
> > explanation to this. I suppose the reason has something to do with the
> > different architecture on a Ultra 2 compared to a Ultra 10 (?)
> >
> > Any suggestions ?
> >
> > best regards
> > Stian kaasa
> >
> >
>
>