[poky] Can't share build trees?

[Gary Thomas]

On 05/03/2011 07:28 AM, Gary Thomas wrote:
> On 05/03/2011 07:25 AM, Richard Purdie wrote:
>> On Tue, 2011-05-03 at 05:35 -0600, Gary Thomas wrote:
>>> I have a system which has both PowerPC and ARM/OMAP components.
>>> They share a common Poky/Yocto layer, so I thought I'd be able
>>> to also share a build tree. So, I tried something like this:
>>> % . /opt/poky/oe-init-build-env my_target
>>> % MACHINE=MY_OMAP bitbake omap-image
>>> % MACHINE=MY_PPC bitbake ppc-image
>>>
>>> All seemed fine the first time through. The images were built
>>> as expected and worked well.
>>>
>>> Sadly, when I tried to build something else, e.g.
>>> % MACHINE=MY_OMAP bitbake some-package
>>> it set off rebuilding the entire cross tool chain :-(
>>>
>>> Should this work? or should I just be aware it does not (and mostly
>>> tell my customers not to expect it to work)?
>>
>> It should work and its the way I use Poky. Did you update the metadata
>> between these builds changing the toolchain version for example (e.g.
>> gcc 4.6.0 testing)?
>
> No changes, just changed the MACHINE

I'll try it again, just to make sure I can duplicate it.

I'm happy to hear that this should work.

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------