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Date:      Tue, 22 Oct 2002 13:35:20 -0700
From:      Terry Lambert <tlambert2@mindspring.com>
To:        Kris Kennaway <kris@obsecurity.org>
Cc:        Ruslan Ermilov <ru@FreeBSD.org>, current@FreeBSD.org, standards@FreeBSD.org
Subject:   Re: libstdc++ does not contain fabsl symbol
Message-ID:  <3DB5B688.C3E5520B@mindspring.com>
References:  <20021020025400.GA13776@xor.obsecurity.org> <20021022082241.GG3325@sunbay.com> <20021022184605.GA85779@xor.obsecurity.org> <3DB5A9B6.1C2D1684@mindspring.com> <20021022202047.GA88314@xor.obsecurity.org>

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Kris Kennaway wrote:
> Yes, because as it stands this function is supplied by gcc as a
> built-in function, and the source tree will not compile without it
> (e.g. with a non-gcc compiler).
> 
> > Alternately, the use could avoid adding the "-fno-builtin", and
> > the problem would go away.
> 
> -fno-builtin tells gcc to stop using its own builtin functions and use
> the FreeBSD version instead.  We don't built with it by default, but
> we probably should.

It's a good idea.

See other posting though... I think the problem is that sources
are being converted to assume C99 compliance, when FreeBSD is, in
fact, not compliant.

It would be better if this were a compliance complaint, rather
than a "-fno-builtin"; it would be best to tackle all these issues
at once, rather than one at a time over a very long time.

-- Terry

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