c38517df83
Until now all environment variables in the kas config's env section require a default value. In some cases we want to rely on the weak assignment of bitbake instead of relying on the default value of the variable in the kas config. This means if we assign the 'None' value or nothing to the variable in the kas config then it is only added to BB_ENV_EXTRAWHITE or BB_ENV_PASSTHROUGH_ADDITIONS without setting it as environment variable. Signed-off-by: Benedikt Niedermayr <benedikt.niedermayr@siemens.com> [Jan: fixed overlong line] Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
133 lines
2.3 KiB
ReStructuredText
133 lines
2.3 KiB
ReStructuredText
Configuration Format Changes
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============================
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Version 1 (Alias '0.10')
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------------------------
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Added
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~~~~~
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- Include mechanism
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- Version check
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Version 2
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---------
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Changed
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~~~~~~~
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- Configuration file versions are now integers
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Fixed
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~~~~~
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- Including files from repos that are not defined in the current file
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Version 3
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---------
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Added
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~~~~~
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- ``Task`` key that allows to specify which task to run (``bitbake -c``)
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Version 4
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---------
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Added
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~~~~~
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- ``Target`` key now allows to be a list of target names
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Version 5
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---------
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Changed behavior
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~~~~~~~~~~~~~~~~
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- Using ``multiconfig:*`` targets adds appropriate ``BBMULTICONFIG`` entries to
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the ``local.conf`` automatically.
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Version 6
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---------
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Added
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~~~~~
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- ``env`` key now allows to pass custom environment variables to the bitbake
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build process.
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Version 7
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---------
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Added
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~~~~~
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- ``type`` property to ``repos`` to be able to express which version control
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system to use.
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Version 8
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---------
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Added
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~~~~~
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- ``patches`` property to ``repos`` to be able to apply additional patches to
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the repo.
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Version 9
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---------
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Added
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~~~~~
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- ``defaults`` key can now be used to set a default value for the repository
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property ``refspec`` and the repository patch property ``repo``. These
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default values will be used if the appropriate properties are not defined
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for a given repository or patch.
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Version 10
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----------
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Added
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~~~~~
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- ``build_system`` property to pre-select OE or Isar.
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Version 11
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----------
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Changed behavior
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~~~~~~~~~~~~~~~~
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- String item ``includes`` are now using repo-relative paths. File-relative is
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still supported by issues a deprecation warning.
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- bblayers.conf is generated with ``BBPATH`` and ``BBFILES`` preset to common
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defaults. Those can still be overwritten via ``bblayers_conf_headers``.
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Added
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~~~~~
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- ``menu_configuration`` key stores the selections done via ``kas menu`` in a
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configuration file. It is only evaluated by that plugin.
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Version 12
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----------
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Added
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~~~~~
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- For repositories, ``url`` and ``path`` can now be overridden with a
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null-value to switch between version-controlled repositories and unversioned
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local folders.
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Version 13
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----------
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Added
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~~~~~
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- Variables used in the ``env`` section can now be assigned 'None' as value. In
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this case the variables are only exported to the bb env whitelist.
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