[oe] COMPATIBLE_MACHINE - how can use?

2010-03-23 Thread Leo 
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Hi at all,
It's not long ago that I use OE and some things do not know very well.. :D
For example, can someone explain me how (and where) can use
COMPATIBLE_MACHINE?

thanks a lot for all response! :D
hachreak
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Re: [oe] COMPATIBLE_MACHINE - how can use?

2010-03-25 Thread Douglas Royds 

COMPATIBLE_MACHINE uses Python's re.match(), so COMPATIBLE_MACHINE is a
regular expression that must match the start of the MACHINE variable.
For instance, from recipes/linux/linux-davinci_2.6.30.bb:

   COMPATIBLE_MACHINE =
   "(dm6446-evm|dm6467-evm|dm355-evm|davinci-sffsdr|dm355-leopard)"

The following line would have much the same effect:

   COMPATIBLE_MACHINE = "(dm6446|dm6467|dm355|davinci)"

If you try to build this recipe for any non-matching MACHINE, it will
refuse. Additionally, if MACHINE="dm6446-evm" and you ask for a build of
the kernel, only three recipes are compatible:

   * linux-davinci_2.6.28.bb
   * linux-davinci_2.6.30.bb
   * linux-davinci_git.bb

The one that actually gets built will be chosen either alphanumerically,
or by respecting the DEFAULT_PREFERENCE or PREFERRED_VERSION variables.

Hope this helps,
Douglas.


Leo wrote:

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Hash: SHA1

Hi at all,
It's not long ago that I use OE and some things do not know very well.. :D
For example, can someone explain me how (and where) can use
COMPATIBLE_MACHINE?

thanks a lot for all response! :D
hachreak




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