External toolchain support
Warner Losh
imp at bsdimp.com
Tue Dec 2 16:23:11 UTC 2014
> On Dec 2, 2014, at 1:31 AM, Baptiste Daroussin <bapt at FreeBSD.org> wrote:
>
> On Mon, Dec 01, 2014 at 10:05:29PM -0700, Warner Losh wrote:
>>
>>> On Nov 29, 2014, at 8:04 AM, Baptiste Daroussin <bapt at FreeBSD.org> wrote:
>>>
>>> Hi all,
>>>
>>> It is now possible to use an external toolchain to build the kernel and base
>>> (tested with gcc 4.9.1 and latest binutils)
>>>
>>> Of course a lot of work is needed to make it build cleanly (aka lots of warning
>>> to fix).
>>>
>>> What have been tested so far:
>>> - sparc64 kernel + world
>>> - amd64 kernel + world
>>> - powerpc64 kernel + world
>>>
>>> mips cannot be tested because upstream gcc never heard of FreeBSD running on
>>> mips, and I did not receive any patches for mips.
>>
>> I have patches for 4.8 or so knocking around somewhere...
>
> Seems like kan@ have patches for 4.9.1 and was able to build world with it!
> (that is mips64)
Cool. I also ported the arm patches as well. I thought I’d sent them to you, but it may have only been in the raw form. I also have patches for the extended printf checking for the kernel, though those are much more fragile than architecture support.
Warner
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