[oe] making qt5 package machine specific

[Koen Kooi]

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Nicolas Dechesne schreef op 21-11-13 09:33:
> hi,
> 
> we are building a product/distro with qt5 with support for various SoC.
> the way qt5 recipes are designed, it kind of forces the resulting
> packages to be  <machine> specific, not <arch> specific.
> 
> first each <machine> has a different provider for GL/GLES and it impacts 
> the RDEPENDS, on top of that we have machine specific patches in Qt5 in 
> each of our BSP layer, whether we like it or not, that's a reality that
> we cannot have the very same Qt5 config + source code for all platforms.
> 
> so we end up with many  <qt pkgs>-<arch> which are <machine> specific,
> not <arch>, and it messes up badly with sstate for example, especially
> when cleaning up the sstate (e.g. using sstate-cache-management -d).
> 
> so i have a couple of questions:
> 
> - are we doing something really wrong here? or are we getting issues
> that anyone would get when trying to have a OE based product with Qt5
> and multiple machines from the same <arch>?

You are getting issues that anyone with machine specific libs (e.g. GLES,
clutter, wayland) gets in a multimachine scenario :(

> - assuming this is a typical use case... i wish there was an easy 
> mechanism to 'mark' all Qt5 packages as PACKAGE_ARCH =
> "${MACHINE_ARCH}", without having to .bbappend every single recipe. It is
> indeed quite common to have a .bbappend for qtbase, but not for the other
> packages...

No idea on that, sorry.

regards,

Koen

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