[yocto] Task dependencies

[robert.berger@gmane]

Hi,

On 2017-04-13 11:24, Gary Thomas wrote:
> On 2017-04-13 09:34, Gary Thomas wrote:
>> I'm trying to understand why 'perl' is being built for my target
>> even though I don't mention it in any of the package recipes used
>> to build that target.  When I used 'taskexp', I found that
>> 'perl:do_build'
>> only has a single dependent task, namely 'my-image:do_build'
>> note: no perl packages end up in my image.
>>
>> This is just one example where it seems bitbake is doing a lot of
>> unnecessary (certainly un-asked-for) work.
>>
>> How can I unravel this mystery?
>>
>> Thanks for any pointers

Did you have a look at the dependency explorer?

bitbake -g -u depexp core-image-sato-sdk

There you see also reverse dependencies (who depends e.g. on perl)

Regards,

Robert