Mark Hatle 0dea950931 bitbake: bblayers/layerindex.py: Fix addition of layers
When a layer is added it needs to be in a list, otherwise the system will
error such as:

    Specified layer directory / doesn't contain a conf/layer.conf file

Additionally, instead of calling the add layer function over and over, it
is better to add all of the new content in one command.  Otherwise the
order is important as the system now checks if the layer can be added.  For
instance, trying to add meta-python:

   Layer                Required by          Git repository                                          Subdirectory
   ===================================================================================================================
   meta-python          -                    git://git.openembedded.org/meta-openembedded            meta-python
   meta-oe              meta-python          git://git.openembedded.org/meta-openembedded            meta-oe
   openembedded-core    meta-python          git://git.openembedded.org/openembedded-core            meta
   Adding layer "meta-python" (.../oe-core/meta-openembedded/meta-python) to conf/bblayers.conf
   ERROR: Layer 'meta-python' depends on layer 'openembedded-layer', but this layer is not enabled in your configuration

The system would try to add meta-python before the dependent meta-oe.  Adding
them both at the same time resolves this issue.

(Bitbake rev: 8aeaabf13db645f33495e00b82117327e153d70a)

Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2018-08-02 10:18:27 +01:00
2014-01-02 12:58:54 +00:00
2018-02-24 10:31:45 +00:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
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