[yocto] Question / issue

[David Nyström]

On 2014-05-12 07:56, Paul McGougan wrote:
> From: Bruce Ashfield [mailto:bruce.ashfield at windriver.com]
>   
>>> Secondly, (and this is our main issue) I have found that by adding the
>>> do_install_append function, even if it is completely empty, whenever I
>>> try to bitbake anything that depends on the kernel, that bitbake always
>>> re-runs the kernel install stage, even when there have been no changes.
>>> Literally I can run a bitbake, then run the same bitbake command again,
>>> and both times the kernel install stage gets run (this is a problem
>>> because it takes a long time to run). It appears to be happening because
>>> the stampfile is not found every time (the hash appears to be wrong).
>>> Is this a bug? Is there a fix or work-around for this problem?
>> In this front, I'm not the best reference. Checking the sstate signature
>> might help, it should show which variables are being used .. and possibly
>> invalidating the signature, triggering the steps to run again.
> Thanks Bruce.
>
> Just for reference of anyone else who runs into a similar issue our issue was:
> 1. The do_install_append function was not *really* empty, the content of it
> was commented out.

To me, Thats sound like a bug in the dependency parser.
It should not parse for changes in comments, i.e. in this case 
do_install_append comments.

Or perhaps in variable expansion, which could be avoided in commented 
sections.

Br,
David