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Date:      Fri, 6 Sep 2013 07:54:46 +0100
From:      David Chisnall <theraven@freebsd.org>
To:        Steve Kargl <sgk@troutmask.apl.washington.edu>
Cc:        Baptiste Daroussin <bapt@freebsd.org>, "freebsd-numerics@FreeBSD.org" <freebsd-numerics@freebsd.org>, "current@freebsd.org Current" <current@freebsd.org>
Subject:   Re: clang+libc++ using missing powl
Message-ID:  <4DF3383B-4BE7-4947-886A-AAAD25172F68@freebsd.org>
In-Reply-To: <20130905210953.GA58413@troutmask.apl.washington.edu>
References:  <20130904223842.GB82066@ithaqua.etoilebsd.net> <80062343-53CD-4CEF-9C47-3BF614DADB64@FreeBSD.org> <20130905210953.GA58413@troutmask.apl.washington.edu>

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On 5 Sep 2013, at 22:09, Steve Kargl <sgk@troutmask.apl.washington.edu> =
wrote:

> On Thu, Sep 05, 2013 at 09:52:13AM +0100, David Chisnall wrote:
>> On 4 Sep 2013, at 23:38, Baptiste Daroussin <bapt@freebsd.org> wrote:
>>=20
>>> As a result we have a lot of fallouts of ports complaining about:
>>> undefined reference to `powl'
>>>=20
>>> It seems like libc++ is relying on a function we don't have yet
>>> in libm, am I missing something?
>>=20
>> I've attached a diff that I'd like to commit to msun
>=20
> Why not disable libc++ from exposing these functions?

Because they're in the C++ spec and they should work.  I consider this a =
placeholder until we have the real versions in the tree (the wiki says =
you have coshl, sinhl, and tanhl, in progress, any idea of an ETA for =
them)? =20

David




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