Re: populate_sdk: We need to ensure that the SDK sysroot reflects PACKAGE_ARCH

[Kumar Gala <galak@kernel.crashing.org>]

On Aug 10, 2011, at 8:48 AM, Gary Thomas wrote:

> On 2011-08-10 07:40, Richard Purdie wrote:
>> On Wed, 2011-08-10 at 07:34 -0600, Gary Thomas wrote:
>>> On a related thought to these changes - how does this play if
>>> you use multiple SDKs for different, but somewhat related, architectures?
>>> I'd like to create a simple SDK (just toolchain mostly) using 'meta-toolchain'
>>> for both armv5te and armv7a and install them simultaneously on the same
>>> host.  My previous attempts at this fell flat as there were a number of
>>> files marked as "arm" (i.e. not armv5te or arvm7a) that were common between
>>> the two SDK packages, but they didn't seem to be identical.
>> 
>> This is supposed to work but wouldn't due to the issue and the patch
>> I've proposed. Whether that is the only issue I don't know.
> 
> I'll be glad to test this once you've worked it out.
> 
>> 
>> Can you remember which files we're talking about here?
> 
> Not right off - there were just a ton of directories with only arm in the
> path that seemed to be architecture dependent.  I think it's all related to
> TARGET_SYS vs MULTIMACH_TARGET_SYS and how/where they are used.
> 
>> 
>>> With these changes, will it be possible to support such sets of multiple
>>> toolchains?  (No, ADT is not the answer - I just want the toolchains)
>> 
>> ADT uses meta-toolchain-* so its all related.
> 
> Fair enough, I just don't want to have to use ADT just to install a toolchain.

And this is also something we're wanting to work to allow different PPC toolchain variants to live together

- k