[poky] Installing shared libraries for custom application

[Fletzer Martin]

Thank you for the fast response.

I tried again with an unmodified master checkout, building core-image-minimal.
I added RDEPENDS = "ncurses-libform" without success. Bitbake returns Nothing Provides.

Then I added the following line to ncurses.inc:
PACKAGES_DYNAMIC="ncurses-lib*"
I tried it, because other recipes use it.

Now I can install the runtime libraries of ncurses to the image with IMAGE_INSTALL += "ncurses-libform".

Is it right to set PACKAGES_DYNAMIC?

Best regards,
Martin

-----Ursprüngliche Nachricht-----
Von: poky-bounces at yoctoproject.org [mailto:poky-bounces at yoctoproject.org] Im Auftrag von Tomas Frydrych
Gesendet: Freitag, 22. Juni 2012 11:13
An: poky at yoctoproject.org
Betreff: Re: [poky] Installing shared libraries for custom application

Hi,

On 22/06/12 09:38, Fletzer Martin wrote:
> But now I'm not able to install shared libraries of ncurses for a custom image. Namely libform, libmenu, and libpanel.
> I always get a "Error: Nothing PROVIDES ..."

'Nothing PROVIDES' means there is no bb recipe that provides the a dependency, i.e., there is no bb recipe that declares it provides 'libform'. The libform package is generated dynamically from the ncurses package, so the correct DEPENDS (which denotes a *build-time* dependency), is 'ncurses'.


> How can I install this  shared libraries to a custom image?

If your application links against libform, then this should be automatically pulled into the image; you can manually add something to a package run-time dependencies by adding it to the RDEPENDS variable (as Jack says, in this case that should be 'ncurses-libform'), but you should only need to do this for a library if the application dlopens it.

I hope this helps,

Tomas


> 
> Thanks,
> Martin
> 
> 
> MARTIN FLETZER
> Engineer
> Safety & Security Department
> Video and Security Technology
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