[yocto] [meta-raspberrypi] Using the camera

[Andrei Gherzan]

On Wed, Jun 11, 2014 at 3:54 PM, Alex J Lennon <
ajlennon at dynamicdevices.co.uk> wrote:

>
> > I merged the patches but there is a strange behavior. With --as-needed
> > removed i still get the unneeded dependency.
> >  0x00000001 (NEEDED)                     Shared library:
> [libmmal_core.so]
> >  0x00000001 (NEEDED)                     Shared library:
> [libmmal_util.so]
> >  0x00000001 (NEEDED)                     Shared library:
> > [libmmal_vc_client.so]
> >  0x00000001 (NEEDED)                     Shared library: [libvcos.so]
> >  0x00000001 (NEEDED)                     Shared library: [libbcm_host.so]
> >  0x00000001 (NEEDED)                     Shared library:
> [libpthread.so.0]
> >  0x00000001 (NEEDED)                     Shared library: [libdl.so.2]
> >  0x00000001 (NEEDED)                     Shared library: [librt.so.1]
> >  0x00000001 (NEEDED)                     Shared library:
> [libvchiq_arm.so]
> >  0x00000001 (NEEDED)                     Shared library: [libc.so.6]
> >
> > Alex, can you take another look on this? It seems like somehow the fix
> > doesn't work for me.
>
> If I understand you correctly the issue is that by default bitbake is
> providing --no-as-needed into the userland configuration step
>
> This has the effect that libmmal_vc_client is removed as a needed
> library, therefore not loaded when raspivid loads,
> and therefore doesn't register components that it would register when it
> was loaded (because of use of
> __attribute__((constructor,used)) decorating functions in that library).
>
> We override --as-needed with --no-as-needed so that the dependency upon
> libmmal_vc_client is no longer removed,
> which I think is what you show above. If you remove my patch you should
> see libmmal_vc_client disappear I believe.
>

My bad. Clear now. Thanks.


-- 
*Andrei Gherzan*
m: +40.744.478.414 |  f: +40.31.816.28.12
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