[oe] Old system on Colibri - new cross-compilers from Angstrom, shall it works?

[Khem Raj]

2010/5/21 Grzegorz Toporek <top.grzechu at gmail.com>:
> I have one important question.
>
> On Colibri I have an old system already installed (Linux version 2.6.24.7,
> gcc 4.2.2). When I'll build my own one for angstrom, thus getting
> cross-compilers, can I just simply run programs compiled for angstrom  on
> Colibri board?
>
> Lets say I will cross compile sth using cross-compilers from directory
> /tmp/cross/bin and then upload it on my board. Shall this work for me?
> Should I change gcc version in /conf/distro/angstrom-2008.1.conf to 4.2.2?

We don't know how existing root file system was compiled so its hard to say
but if ABI is compatible you may be able to run it but I think angstrom uses
4.3.x compilers as default. So to avoid uninvited troubles I would suggest
to match the version of gcc if you want to go this route.

>
> Looking forward to your reply.
>
>
> Kind Regards,
> Grzegorz
>
>
> W dniu 21 maja 2010 12:08 użytkownik Grzegorz Toporek <top.grzechu at gmail.com
>> napisał:
>
>> Thanks, I'll do as you recommend.
>>
>> And do not get flooded by Wisła :D
>>>
>>
>> Luckily I am far away from it...
>>
>>
>> 2010/5/21 Marcin Juszkiewicz <marcin at juszkiewicz.com.pl>
>>
>> Dnia piątek, 21 maja 2010 o 11:48:24 Grzegorz Toporek napisał(a):
>>>
>>> > I would love to work with angstrom, however I'm using Colibri evaluation
>>> > board with Intel(R) PXA270 Processor (this is a students project and I
>>> can't
>>> > change it). Is it possible to run system built for angstrom on my board
>>> or
>>> > I just miss something?!
>>>
>>> Angstrom supports nearly every board which OpenEmbedded supports. Colibri
>>> is
>>> just another device. Build Angstrom for it, use it and you will soon find
>>> out
>>> how much work you do not have to do due to feeds with already built
>>> software.
>>>
>>> Making own distribution and then properly maintain it is lot of work and I
>>> would never suggest that for someone who just started with OpenEmbedded.
>>>
>>> Also one thing: do not use tune-iwmmxt for Colibri. This does not give any
>>> special improvements for system. Add "iwmmxt" to MACHINE_FEATURES like it
>>> is
>>> in few machines already - this will give you optimized versions of those
>>> packages where it is really worth to enable that.
>>>
>>> And do not get flooded by Wisła :D
>>>
>>> Regards,
>>> --
>>> JID:      hrw at jabber.org
>>> Website:  http://marcin.juszkiewicz.com.pl/
>>> LinkedIn: http://www.linkedin.com/in/marcinjuszkiewicz
>>>
>>>
>>>
>>> _______________________________________________
>>> Openembedded-devel mailing list
>>> Openembedded-devel at lists.openembedded.org
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>>>
>>
>>
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