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Date:      Thu, 29 Mar 2012 11:33:57 -0400
From:      Super Bisquit <superbisquit@gmail.com>
To:        Nathan Whitehorn <nwhitehorn@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org>
Subject:   Re: wi diff
Message-ID:  <CA%2BWntOuX472WpSYUccNQrRu6C7rH8Lwx4U7tW1bG=2rKsT-rwQ@mail.gmail.com>
In-Reply-To: <4F707833.8080107@freebsd.org>
References:  <CA%2BWntOtovGHo1wPzJQ5bf4-xrtcMzdXhnWSiBxH7vUp%2B_1-zJw@mail.gmail.com> <20120324172025.67615299@narn.knownspace> <CA%2BWntOtwEpaoUyC8xTu4Cw2-hSCb10sCPrPxJYZ0eU5Wo9wppA@mail.gmail.com> <4F707833.8080107@freebsd.org>

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On Mon, Mar 26, 2012 at 10:07 AM, Nathan Whitehorn
<nwhitehorn@freebsd.org>wrote:

> On 03/25/12 19:39, Super Bisquit wrote:
>
>> On 3/24/12, Justin Hibbits<chmeeedalf@gmail.com>  wrote:
>>
>>> On Sat, 24 Mar 2012 17:04:58 -0400
>>> Super Bisquit<superbisquit@gmail.com**>  wrote:
>>>
>>>  I sent two emails- the second a repeat of the first.
>>>> In GENERIC,  all warnings were edited out and wi was not added in the
>>>> miibus section.
>>>> I haven't rebooted yet. The other messages show the error.
>>>>
>>>> Apologies for the sudden come and go.
>>>>
>>>> Justin, thanks for the reply in CURRENT. I think that clang, llvm, and
>>>> related need to be in the base and not in ports. Developer version
>>>> releases are different. Look on emulation for some posts I made, is
>>>> it possible to get what was sent- I think from you if I recall
>>>> correctly- to be in source?
>>>>
>>>> If it wasn't for the error, buildworld on powerpc with clang would
>>>> have worked.
>>>>
>>>> Garrett, has the error from tinderbox build been corrected and has a
>>>> build been setup with clang instead?
>>>>
>>>
>>>  From my understanding, wi(4) does not attach to the mii bus, so you
>>> will never see it.  If my understanding is correct, mii is for physical
>>> ethernet only (a real networking expert can correct me here, gladly).
>>> So the attachment you see of wi(4) should only be on the macio, pci, or
>>> pccard buses, if in fact you have a wi(4) card (original airport,
>>> not airport extreme in the case of my diff).
>>>
>>> As for the clang/llvm problems, since clang is not complete regarding
>>> powerpc (and anything but x86/x86-64 and most of arm), it doesn't make
>>> sense to keep updating them just to track any possible PowerPC
>>> changes.  One very important part that's missing in the PowerPC target
>>> is position-independent code, which is required for shared libraries.
>>> I've been working off and on with getting Thread-local storage working
>>> for PowerPC, but have not done too much (wrote the basic function,
>>> haven't added the codegen parts in), but will continue working on it
>>> over the coming months, and then turn my attention to PIC (if nobody
>>> else has stepped up to it by then).  With these being the two biggest
>>> stumbling points, solving them will go a long way to getting clang
>>> buildworlding FreeBSD.
>>>
>>> - Justin
>>>
>>>
>> I emailed the Debian maintainers for clang and asked about configure
>> options. Although it is not FreeBSD, the information may help some.
>> The #llvm irc channel mentioned that FreeBSD was/is interested in
>> PowerPC builds.
>>
>>
> You need to add -fno-strict-aliasing when building straight from SVN, at
> which point everything works fine. You can see how it's done in the FreeBSD
> tree.
> -Nathan
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> "
>

Hey, Nathan, how's it going?

Anyway, am I to add the flag to ./configure as -option or is it for make
-option?



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