[yocto] image dependent pkg versions/pkg variations

[Andre McCurdy]

On Wed, Oct 11, 2017 at 11:24 AM, Robert Berger
<yocto.user.mailinglist at gmail.com> wrote:
> Hi,
>
> 3) Different package versions depending on the image recipe?
> Well actually I would like to have root file systems with different recipe
> versions inside
> e.g.
> Customer 1: prg1_1.1.bb, prg2_2.2.bb
> Customer 2: prg1_1.2.bb, prg2_2.1.bb
>
> 4) Different package variants (e.g. extra compile flags) depending on the
> image recipe? Again different content of rootfs.
> e.g.
> Customer 3: prg1_1.1.bb (default), prg2_2.2.bb with extra CFLAGS=-DUMMY)
> Customer 4: prg1_1.2.bb (default), prg2_2.1.bb(default)
>
> ===
>
> Is this possible at all?
>
> I could define per distro image versions, but the name of the distro e.g.
> "poky" seems to be part of the compiler prefix, which is not nice and I
> would need to build the same toolchain multiple times, which again is not
> nice.
>
> If the choice is based on e.g. the distro variable I could use it to
> distinguish in the recipes between different build variations, but again not
> nice.
>
> What would you suggest?

Create additional variants of the machine config to cover each case,
e.g. myboard.conf, myboard-debug.conf, myboard-dummy.conf, etc

The -debug, -dummy, etc variants can include the original base version
of the machine config file, so there doesn't need to be any
duplication.