Re: [yocto] warn if a variable is not used

[Gyorgy Sarvari <skandigraun@gmail.com>]

You can check what is actually executed by bitbake. Open the
run.do_compile file to see the actual script after a failure, and see
how it is parsed and where it goes astray.

On 4/8/25 15:06, proffesionaladdress2@duck.com wrote:
> Thank you, but branch is never reached because the previous condition is never true in this code (and I don't know why).
> Even if bbwarn print 'WARNING: rpi-u-boot-scr-1.0-r0 do_compile: isempty=true'.
>
> isempty="${@bb.utils.contains('MY_VARIABLE', '', 'false', 'true', d)}"
> bbwarn "isempty=$isempty"
> if [[ $isempty == true ]]; then
>            MY_VARIABLE = "value"
>             bbwarn "MY_VARIABLE is not defined, used default: ${MY_VARIABLE}"
> else
>             bbwarn "?????"
> fi
>
> But maybe bitbake provide some syntax to print a warning when a variable is not set outside bash code.
> Or it is easier to use some python code.
>
> ----- Mail original -----
> De: "Gyorgy Sarvari" <skandigraun_at_gmail.com_proffesionaladdress2@duck.com>
> À: "yocto at lists yoctoproject org proffesionaladdress2" <yocto_at_lists.yoctoproject.org_proffesionaladdress2@duck.com>, proffesionaladdress2@duck.com
> Envoyé: Mardi 8 Avril 2025 14:56:24
> Objet: Re: [yocto] warn if a variable is not used
>
>> | /<path>/run.do_compile.352486: 153: MY_VARIABLE: not found
> <snip>
>>            MY_VARIABLE = "value"
> Note that when you are in do_compile, that's a shell script. You
> shouldn't put space around the equal sign here, because that's not a
> valid syntax to assign a value to a variable in shell.
>