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Subject: Re: clang+libc++ using missing powl
From: David Chisnall <theraven@freebsd.org>
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Date: Fri, 6 Sep 2013 07:54:46 +0100
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To: Steve Kargl <sgk@troutmask.apl.washington.edu>
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Cc: Baptiste Daroussin <bapt@freebsd.org>,
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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