[yocto] Issue when integrating different bsp-layers on a single bblayers.conf

[Peter Kjellerstedt]

Just thought I should mention that since Krogoth, BBMASK is actually a list of regular expressions, so your example below is better written as:

BBMASK += "${@bb.utils.contains('MACHINE', '<rockchip>', '', '/meta-rockchip/recipes-.*', d)}"

(including changing base_conditional() to bb.utils.contains(), and correcting the regular expression).

//Peter

From: yocto-bounces at yoctoproject.org [mailto:yocto-bounces at yoctoproject.org] On Behalf Of Ulf Samuelsson
Sent: den 7 juni 2018 17:27
To: Iván Castell <icastell at nayarsystems.com>
Cc: Yocto Project <yocto at yoctoproject.org>
Subject: Re: [yocto] Issue when integrating different bsp-layers on a single bblayers.conf

Maybe something similar to this in local.conf


BBMASK .= "${@base_conditional('MACHINE', '<rockchip>', '','|meta-rockchip/recipes-*', d)}"
(did not test)
If there are multiple machines in the meta-rockchip layer, you have to look for a unique variable which is true only if a machine in the meta-rockchip layer is used.


Best Regards,
Ulf Samuelsson

7 juni 2018 kl. 16:39 skrev Iván Castell <icastell at nayarsystems.com<mailto:icastell at nayarsystems.com>>:
Hello forum.

I am trying to integrate several BSP-layers for different platforms on a single Yocto repository to build a Linux Yocto-based distro for all those platforms easily.

The idea is maintaining a single bblayers.conf with all the layers available, set PLATFORM and DISTRO on local.conf, call bitbake <image> and get the final image for that platform.

When setting the "build" directory with a bblayers.conf customized for a single platform, each platform builds the image recipe properly.

However, when I have integrated all bsp-layers in a single bblayers.conf, the compilation of some platforms has been broken.

The specific problem is this: one bsp layer (meta-rockchip + meta-rockchip-extra) defines a recipes-graphics/mesa/mesa_%.bbappend with this content inside:


    PROVIDES_remove = "virtual/libgles1 virtual/libgles2 virtual/egl virtual/libwayland-egl"



That alters gstreamer recipe on the poky layer, getting this error when building for a meta-intel platform:

    ERROR: Nothing PROVIDES 'virtual/egl' (but /data/yocto/yocto/sources/poky/meta/recipes-multimedia/gstreamer/gstreamer1.0-vaapi_1.12.2.bb<http://gstreamer1.0-vaapi_1.12.2.bb>, /data/yocto/yocto/sources/poky/meta/recipes-multimedia/gstreamer/gstreamer1.0-plugins-bad_1.12.2.bb<http://gstreamer1.0-plugins-bad_1.12.2.bb> DEPENDS on or otherwise requires it)

My questions:

    - Is a good practice to define a custom bblayers.conf depending on the choosen PLATFORM?
    - Is there some any other way to disable a BSP-layer completely when building for a different one?
    - Can you suggest a fix to solve this issue?

Thanks a lot in advance! :)

Kind regards.
  -- Ivan


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