Re: [yocto][meta-openembedded] How to properly build a lib package

[Ola x Nilsson <ola.x.nilsson@axis.com>]

On Thu, Aug 29 2024, Mikko Rapeli wrote:

> Hi,
>
> On Wed, Aug 28, 2024 at 11:50:03AM +0200, Yann CARDAILLAC Pro wrote:
>> Hi Mikko,
>> 
>> Well without the RPROVIDES I get the following error when a package DEPENDS
>> on it :
>> 
>> ERROR: rj2d-com-1.1-r0 do_package_qa: QA Issue: /usr/bin/rj2d- com
>> contained in package rj2d- com requires librj2d.so()(64bit), but no
>> providers found in RDEPENDS:rj2d-com? [file-rdeps]
>> 
>> The only solution I found was to add the RPROVIDES. Is there something I'm
>> doing wrong?
>> 
>> Basically the rj2d-com package DEPENDS and RDEPENDS:${PN}  to librj2d, and
>> without the RPROVIDES with  librj2d.so()(64bit) I get errors.
>> 
>> Is there something wrong with the approach ?
>
> I think bitbake should be auto-detecting the shared library RDEPENS. RPROVIDES
> is usually only set when there is a virtual provider which multiple recipes
> and binary package provide.
>
> Something doesn't feel right about this.

I think it is the missing soname mentioned earlier.  It needs to be set
using a linker flag.

/Ola