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From: Warner Losh <imp@bsdimp.com>
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Cc: mdf@freebsd.org, Dimitry Andric <dim@freebsd.org>,
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Subject: Re: Include file search path
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On Apr 2, 2011, at 1:10 PM, Robert N. M. Watson wrote:

> On 2 Apr 2011, at 19:47, Warner Losh wrote:
>=20
>>> (2) Working clang/LLVM cross-compile of FreeBSD.  This seems like a =
basic
>>>  requirement to adopt clang/LLVM, and as far as I'm aware that's not =
yet a
>>>  resolved issue?
>>=20
>> 0 work has been done here to my knowledge.  The world view for clang =
and our in-tree gcc differ which makes it a challenge.
>=20
> That's disappointing. I seem to recall it's more an issue of our build =
integration with clang/LLVM than an underlying issue in clang/LLVM?

Yes.  The problem isn't hard, the cross compile paradigm is just a =
little different.

>>> We (Cambridge) are currently bringing up FreeBSD on a new soft-core =
64-bit MIPS platform.  We're already using a non-base gcc for our boot =
loader work, and plan to move to using clang/LLVM later in the year.  =
The base system seems a bit short on detail when it comes to the above, =
currently.
>>=20
>> Yes.  I've had to add about a dozen changes so far to get close to =
building with xdev compilers.  A similar number are needed to make it =
easy to configure and add systree support, I think.
>=20
> Sounds like great progress -- do you think we'll ship 9.0 in a "just =
works" state with regard to this?

I sure hope so.  I'd like to have demoable stuff by BSDcan.

Warner