From owner-freebsd-standards  Tue Oct 22 12:45:47 2002
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Date: Tue, 22 Oct 2002 12:40:38 -0700
From: Terry Lambert <tlambert2@mindspring.com>
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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
References: <20021020025400.GA13776@xor.obsecurity.org> <20021022082241.GG3325@sunbay.com> <20021022184605.GA85779@xor.obsecurity.org>
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Kris Kennaway wrote:
> > > /usr/src/contrib/gperf/src/bool-array.icc:81: warning: rand() does not produce high-quality random numbers and should not generally be used
> > > /usr/obj/usr/src/i386/usr/lib/libstdc++.so: undefined reference to `fabsl'
> > > *** Error code 1
> > >
> > This is because we lack the
> >
> > long double fabsl(long double);
> >
> > in -lm and <math.h>.
> 
> OK, thanks for tracking it down.  This looks like an important
> omission that should be fixed for 5.0-R.


Is it?

What standard defines this thing, which g++ has as a built-in?

Alternately, the use could avoid adding the "-fno-builtin", and
the problem would go away.

-- Terry

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