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42a6d47754
Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com> CC: Frederic Martinsons <frederic.martinsons@gmail.com> CC: Marta Rybczynska <rybczynska@gmail.com> CC: Paul Eggleton <paul.eggleton@linux.microsoft.com> CC: Alex Kiernan <alex.kiernan@gmail.com> CC: Alexis Lothoré <alexis.lothore@bootlin.com Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
127 lines
3.8 KiB
ReStructuredText
127 lines
3.8 KiB
ReStructuredText
.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
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Release 4.2 (mickledore)
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========================
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Migration notes for 4.2 (mickledore)
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------------------------------------
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This section provides migration information for moving to the Yocto
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Project 4.2 Release (codename "mickledore") from the prior release.
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.. _migration-4.2-python-3.8:
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Python 3.8 is now the minimum required Python version version
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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BitBake and OpenEmbedded-Core are now relying on Python 3.8,
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making it a requirement to use a distribution providing at least this
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version, or to use :term:`buildtools`.
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.. _migration-4.2-gcc-8.0:
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gcc 8.0 is now the minumum required GNU C compiler version
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This version, released in 2018, is a minimum requirement
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to build the ``mesa-native`` recipe.
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.. _migration-4.2-new-nvd-api:
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Fetching the NVD vulnerability database through the 2.0 API
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This new version adds a new fetcher for the NVD database using the 2.0 API,
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as the 1.0 API will be retired in 2023.
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The implementation changes as little as possible, keeping the current
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database format (but using a different database file for the transition
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period), with a notable exception of not using the META table.
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Here are minor changes that you may notice:
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- The database starts in 1999 instead of 2002
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- The complete fetch is longer (30 minutes typically)
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.. _migration-4.2-rust-crate-checksums:
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Rust: mandatory checksums for crates
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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This release now supports checksums for Rust crates and make
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them mandatory for each crate in a recipe. See :yocto_git:`python3_bcrypt recipe changes
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</poky/commit/?h=mickledore&id=0dcb5ab3462fdaaf1646b05a00c7150eea711a9a>`
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for example.
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The ``cargo-update-recipe-crates`` utility
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:yocto_git:`has been extended </poky/commit/?h=mickledore&id=eef7fbea2c5bf59369390be4d5efa915591b7b22>`
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to include such checksums. So, in case you need to add the list of checksums
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to a recipe just inheriting the :ref:`ref-classes-cargo` class so far, you can
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follow these steps:
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#. Make the recipe inherit :ref:`ref-classes-cargo-update-recipe-crates`
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#. Remove all ``crate://`` lines from the recipe
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#. Create an empty ``${BPN}-crates.inc`` file and make your recipe require it
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#. Execute ``bitbake -c update_crates your_recipe``
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#. Copy and paste the output of BitBake about the missing checksums into the
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``${BPN}-crates.inc`` file.
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.. _migration-4.2-supported-distributions:
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Supported distributions
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~~~~~~~~~~~~~~~~~~~~~~~
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This release supports running BitBake on new GNU/Linux distributions:
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- Fedora 36 and 37
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- AlmaLinux 8.7 and 9.1
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- OpenSuse 15.4
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On the other hand, some earlier distributions are no longer supported:
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- Debian 10.x
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- Fedora 34 and 35
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- AlmaLinux 8.5
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See :ref:`all supported distributions <system-requirements-supported-distros>`.
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.. _migration-4.2-misc-changes:
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Miscellaneous changes
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~~~~~~~~~~~~~~~~~~~~~
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- The ``OEBasic`` signature handler (see :term:`BB_SIGNATURE_HANDLER`) has been
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removed.
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.. _migration-4.2-removed-variables:
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Removed variables
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~~~~~~~~~~~~~~~~~
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The following variables have been removed:
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- ``SERIAL_CONSOLE``, deprecated since version 2.6, replaced by :term:`SERIAL_CONSOLES`.
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.. _migration-4.2-removed-recipes:
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Removed recipes
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~~~~~~~~~~~~~~~
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The following recipes have been removed in this release:
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- ``python3-picobuild``: after switching to ``python3-build``
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- ``python3-strict-rfc3339``: unmaintained and not needed by anything in
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:oe_git:`openembedded-core </openembedded-core>`
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or :oe_git:`meta-openembedded </meta-openembedded>`.
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.. _migration-4.2-removed-classes:
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Removed classes
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~~~~~~~~~~~~~~~
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The following classes have been removed in this release:
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- ``rust-bin``: no longer used in Poky
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