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layerindex.bbclass: Add ability to fetch layers from layer index

Chong Lu openembedded-core 1 version In review

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Cover letter [PATCH 0/1] layerindex.bbclass: Add ability to fetch layers from layer index

How to use this class:

For example:
If you want to build python-nova, first you should know meta-openstack layer includes python-nova. And then, add meta-openstack to conf/bblayers.conf:

    ...
    BBLAYERS ?= " \
      /buildarea2/clu1/source/poky/meta \
      /buildarea2/clu1/source/poky/meta-yocto \
      /buildarea2/clu1/source/poky/meta-yocto-bsp \
      /buildarea2/clu1/source/poky/meta-cloud-services/meta-openstack \
      "
    ...

And then, run "bitbake python-nova", we will get following error:

    $ bitbake python-nova
    ERROR: Layer 'meta-openstack' depends on layer 'meta-ruby', but this layer is not enabled in your configuration
    Add '/buildarea2/clu1/source/poky/meta-openembedded/meta-ruby' to BBLAYERS. You can check conf/bblayers.conf

Summary: There was 1 ERROR message shown, returning a non-zero exit code.

Check conf/bblayers.conf, the meta-ruby has already added to BBALYERS.

    ...
    BBLAYERS += "/buildarea2/clu1/source/poky/meta-openembedded/meta-ruby"

And then, run "bitbake python-nova", we will get following error:

    $ bitbake python-nova
    ERROR: Layer 'ruby-layer' depends on layer 'openembedded-layer', but this layer is not enabled in your configuration

Summary: There was 1 ERROR message shown, returning a non-zero exit code.

We need add meta-oe to BBLAYERS and continue to run "bitbake python-nova", still error:

    $ bitbake python-nova
    ERROR: Layer 'meta-openstack' depends on layer 'meta-networking', but this layer is not enabled in your configuration
    Add '/buildarea2/clu1/source/poky/meta-openembedded/meta-networking' to BBLAYERS. You can check conf/bblayers.conf

Summary: There was 1 ERROR message shown, returning a non-zero exit code.

Check conf/bblayers.conf, the meta-networking has already added to BBALYERS.

    ...
    BBLAYERS += "/buildarea2/clu1/source/poky/meta-openembedded/meta-networking"

Continue to run, will get error:

    $ bitbake python-nova
    ERROR: Layer 'networking-layer' depends on layer 'meta-python', but this layer is not enabled in your configuration

Summary: There was 1 ERROR message shown, returning a non-zero exit code.

Add meta-python to BBLAYERS manually:

    ...
    BBLAYERS ?= " \
      /buildarea2/clu1/source/poky/meta \
      /buildarea2/clu1/source/poky/meta-yocto \
      /buildarea2/clu1/source/poky/meta-yocto-bsp \
      /buildarea2/clu1/source/poky/meta-cloud-services/meta-openstack \
      /buildarea2/clu1/source/poky/meta-openembedded/meta-oe \
      /buildarea2/clu1/source/poky/meta-openembedded/meta-python \
      "
    ...

Still run "bitbake python-nova", will fetch layer automatically:

    $ bitbake python-nova
    WARNING: Fetch 'meta-virtualization' to '/buildarea2/clu1/source/poky'
    Cloning into '/buildarea2/clu1/source/poky/meta-virtualization'...
    remote: Counting objects: 1461, done.
    remote: Compressing objects: 100% (791/791), done.
    remote: Total 1461 (delta 803), reused 1262 (delta 604)
    Receiving objects: 100% (1461/1461), 303.15 KiB | 158.00 KiB/s, done.
    Resolving deltas: 100% (803/803), done.
    Checking connectivity... done.
    ERROR: Layer 'meta-openstack' depends on layer 'meta-virtualization', but this layer is not enabled in your configuration
    Add '/buildarea2/clu1/source/poky/meta-virtualization' to BBLAYERS. You can check conf/bblayers.conf

Summary: There was 1 WARNING message shown.
Summary: There was 1 ERROR message shown, returning a non-zero exit code.

Check conf/bblayers.conf, meta-virtualization layer is added to BBLAYERS Finally, run "bitbake python-nova", recipes are parsed.

The following changes since commit 2674ddb4b0c0645c91d1794cbd9166418b984351:

dev-manual: Some minor fixes to some text. (2015-01-06 14:27:03 +0000)

are available in the git repository at:

git://git.pokylinux.org/poky-contrib chonglu/layerindex
http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=chonglu/layerindex

Chong Lu (1):
layerindex.bbclass: Add ability to fetch layers from layer index

 meta/classes/layerindex.bbclass | 154 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 154 insertions(+)
 create mode 100644 meta/classes/layerindex.bbclass
Signature · 1 line
1.9.1

Read the cover letter in its thread