Re: [yocto] RDEPENDS of something provided by ALTERNATIVE

Re: [yocto] RDEPENDS of something provided by ALTERNATIVE

[Martin Jansa]

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You can use VIRTUAL-RUNTIME_sed variable instead of 'sed' _everywhere_ and
then change the preferred runtime provider in your DISTRO config.

Similar case for "stat" from busybox in webOS OSE:
https://github.com/webosose/meta-webosose/search?q=VIRTUAL-RUNTIME_stat

and much worse case (because too many places add runtime dependency on
bash) to replace bash:
https://github.com/webosose/meta-webosose/search?q=VIRTUAL-RUNTIME_bash
see
https://bugzilla.yoctoproject.org/show_bug.cgi?id=9217#c5

Regards,

On Wed, Aug 3, 2022 at 7:03 AM Craig McQueen <craig.mcqueen@innerrange.com>
wrote:

> I have a recipe which contains a script that uses /bin/sed.
>
> When I build it, I get an error:
>
> ERROR: myrecipe-1.2.3-r0 do_package_qa: QA Issue: /lib/myrecipe/mycommand
> contained in package myrecipe requires /bin/sed, but no providers found in
> RDEPENDS:myrecipe? [file-rdeps]
>
> My final image contains the BusyBox implementation of sed, so it will be
> fine at runtime.
>
> If I add to my recipe RDEPENDS:${PN} += "sed", then when the image is
> built then it uses /bin/sed from the "sed" package, rather than being happy
> to use the BusyBox sed.
>
> So, what is the correct way to specify a RDEPENDS to say that it depends
> on _any_ implementation of /bin/sed from any ALTERNATIVE provider?
>
> --
> Craig McQueen
>
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>
>
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Re: [yocto] RDEPENDS of something provided by ALTERNATIVE

[Richard Purdie]

On Wed, 2022-08-03 at 09:25 +0200, Martin Jansa wrote:
> You can use VIRTUAL-RUNTIME_sed variable instead of 'sed'
> _everywhere_ and then change the preferred runtime provider in your
> DISTRO config.
> 
> Similar case for "stat" from busybox in webOS OSE:
> https://github.com/webosose/meta-webosose/search?q=VIRTUAL-RUNTIME_stat
> 
> and much worse case (because too many places add runtime dependency
> on bash) to replace bash:
> https://github.com/webosose/meta-webosose/search?q=VIRTUAL-RUNTIME_bash
> see
> https://bugzilla.yoctoproject.org/show_bug.cgi?id=9217#c5

This is where we should perhaps think about the filter variable option
Joshua and I have talked about periodically as that could handle this
in a much neater and generic way, at the unfortunate cost of
complexity.

The multilib code already tries to do this kind of remapping.

Cheers,

Richard