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List:       openembedded-core
Subject:    Re: [OE-core] switching some legacy bbclass stuff to use "noexec"
From:       "Quentin Schulz" <quentin.schulz () streamunlimited ! com>
Date:       2021-05-31 8:50:57
Message-ID: 20210531085057.ndae2r4ay2abqa77 () qschulz
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Hi Robert,

On Sun, May 30, 2021 at 04:31:24PM -0400, Robert P. J. Day wrote:
> 
>   am i right in assuming that stuff like this in ptest.bbclass:
> 
>   do_configure_ptest() {
>       :
>   }
> 
> can be replaced by using the "noexec" flag?
> 

No.

[noexec] effectively disables the whole task while the code snippet
above allows to _prepend, _append, overrides for a given
machine/distro/target/native.

Also, I assume that you need a tak to be defined in order to addtask it
and then noexec it?

>   if so, then this in base.bbclass looks a bit strange:
> 
>   do_build[noexec] = "1"
>   do_build[recrdeptask] += "do_deploy"
>   do_build () {
>         :
>   }
> 

Don't know if it actually makes sense, but this defines a build task,
which can then be "noexec"-ed. One can then decide to exec it and
add code to the function.

Since do_build is the task that is called when you do bitbake <recipe>
(and probably many other scenarios, e.g. EXTRA_IMAGEDEPENDS?) it should
always be defined even though it is just basically the root node of the
task dependency tree.

Cheers,
Quentin


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