[OE-core] Weird ALTERNATIVES and staging conflict.

[Mike Looijmans]

On 10/30/2014 06:47 PM, Richard Purdie wrote:
> On Thu, 2014-10-30 at 15:17 +0100, Mike Looijmans wrote:
>> I have this base script that builds FPGA bitstreams:
>>
>> https://github.com/topic-embedded-products/meta-topic/blob/master/recipes-bsp/fpga/fpga-image.inc
>>
>> Now you can have multiple recipes using it, and as such, it seemed a good idea
>> to add these lines to that recipe:
>>
>> +ALTERNATIVE_${PN} = "fpga.bin bitstreams"
>> +ALTERNATIVE_LINK_NAME[fpga.bin] = "${datadir}/fpga.bin"
>> +ALTERNATIVE_TARGET[fpga.bin] = "${datadir}/fpga.bin"
>> +ALTERNATIVE_LINK_NAME[bitstreams] = "${datadir}/bitstreams"
>> +ALTERNATIVE_TARGET[bitstreams] = "${datadir}/bitstreams"
>>
>>
>> This still resulted in staging conflicts.
>
> This isn't surprising since update-alternatives only works for target
> systems. It is not designed for operating on the sysroot.

I don't want these files in sysroot, I want them on target only.

>> But looking at the contents of the fake packages, the fpga.bin has been
>> renamed by alternatives (as expected), and the symlink will be created after
>> installing, so how come I still get this?
>
> The "staging" code uses the output of do_install directly and does
> different things to the packaging code path. We've never had someone
> with this problem before. Binaries in *bindir only get installed into
> the sysroot in the -native case.
>
> I appreciate that tells you why it doesn't work and not how to fix it
> but hopefully that helps a bit.

If I understand you correctly, the problem is that the recipe is trying to 
install things in sysroot?



Met vriendelijke groet / kind regards,

Mike Looijmans
System Expert


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