[poky] Poky SDK as an external toolchain

[Khem Raj]

On Fri, Oct 14, 2011 at 9:06 AM, Mark Hatle <mark.hatle at windriver.com> wrote:
> On 10/14/11 9:44 AM, Gary Thomas wrote:
>> Premise: I'm happy with the toolchain that builds with Poky/Yocto
>> Problem: I'm not happy rebuilding said toolchain all the time, nor
>> having my customers have to rebuild it.
>>
>> Solution? I'd like to build the meta-toolchain and then be able to
>> use that as an external toolchain for subsequent builds.  That way,
>> I can create the tools and reuse them internally as well as pass
>> them to my customers.
>>
>> How can I make this happen?  The last time I tried anything like
>> this, I spent many days in the attempt only to find out that it
>> was never going to work...
>
> We have a similar need for our commercial products.  We allow/enable our
> customers to rebuild the toolchains (and use the results), but we only provide
> official support for our binary versions.  There are simply too many variations
> possible to try to support the toolchains in source format.  (Toolchains =
> bintuils, gcc, stock eglibc and a stock uclibc configurations...)
>
> Our intention is simply to create custom recipes that extract our binaries and
> use them instead of doing a by-source build.  If there is an easier way that
> would be nice.  (And I agree, using the results of the meta-toolchain build is
> the right approach for anything standard.)
>
> I'd suggest this get added as an enhancement request to the bugzilla.  We're
> currently working on feature planning for 1.2 so this would be a good time to
> add it into the bucket of possible work items.

i think making external toolchains pluggable is a good feature. We could work
towards getting it documented and any support needed in metadata. I
have come across many users
who would want to have such a set up.

>
> --Mark
>
>> Note: sstate is *not* the answer.  Not only is it HUGE (well over
>> 1GB for a typical setup), but it doesn't work reliably - see
>> bug #1536
>>
>> Ideas/hints?
>>
>> Thanks
>>
>
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