diff options
Diffstat (limited to 'poky/documentation/migration-guides/release-notes-4.2.rst')
| -rw-r--r-- | poky/documentation/migration-guides/release-notes-4.2.rst | 48 |
1 files changed, 10 insertions, 38 deletions
diff --git a/poky/documentation/migration-guides/release-notes-4.2.rst b/poky/documentation/migration-guides/release-notes-4.2.rst index 30a4afeebb..473ea984c3 100644 --- a/poky/documentation/migration-guides/release-notes-4.2.rst +++ b/poky/documentation/migration-guides/release-notes-4.2.rst @@ -8,37 +8,34 @@ New Features / Enhancements in 4.2 - Linux kernel 6.1, glibc 2.37 and ~350 other recipe upgrades -- Python 3.8 is the minimum Python version required on the build host. +- Python 3.8+ and GCC 8.0+ are now the minimum required versions on the build host. For host distributions that do not provide it, this is included as part of the :term:`buildtools` tarball. - BitBake in this release now supports a new ``addpylib`` directive to enable - Python libraries within layers. + Python libraries within layers. For more information, + see :ref:`bitbake-user-manual/bitbake-user-manual-metadata:extending python library code`. This directive should be added to your layer configuration as in the below example from ``meta/conf/layer.conf``:: addpylib ${LAYERDIR}/lib oe -- BitBake has seen multiple internal changes that may impact +- BitBake has seen multiple internal changes that may improve memory and disk usage as well as parsing time, in particular: - BitBake's Cooker server is now multithreaded. + - Ctrl+C can now be used to interrupt some long-running operations + that previously ignored it. + - BitBake's cache has been extended to include more hash debugging data, but has also been optimized to :yocto_git:`compress cache data <https://git.yoctoproject.org/poky/commit/?h=mickledore&id=7d010055e2af3294e17db862f42664ca689a9356>`. - - BitBake's Cooker server :yocto_git:`can now be pinged - </poky/commit/?h=mickledore&id=26f255da09>` - from the UI. - -- Architecture-specific enhancements: - - - This release adds initial support for the - :wikipedia:`LoongArch <Loongson#LoongArch>` - (``loongarch64``) architecture, though there is no testing for it yet. - + - BitBake's UI will now ping the server regularly to ensure + it is still alive. + - New variables: - :term:`VOLATILE_TMP_DIR` allows to specify @@ -71,27 +68,6 @@ New Features / Enhancements in 4.2 - Use built-in Rust targets for ``-native`` builds to save several minutes building the Rust toolchain -- Python 3.8+ and GCC 8.0+ are now the minimum required versions on the build host - -- BitBake in this release now supports a new ``addpylib`` directive to enable - Python libraries within layers. For more information, - see :ref:`bitbake-user-manual/bitbake-user-manual-metadata:extending python library code`. - -- BitBake has seen multiple internal changes that may improve - memory and disk usage as well as parsing time, in particular: - - - BitBake's Cooker server is now multithreaded. - - - Ctrl+C can now be used to interrupt some long-running operations - that previously ignored it. - - - BitBake's cache has been extended to include more hash - debugging data, but has also been optimized to :yocto_git:`compress - cache data <https://git.yoctoproject.org/poky/commit/?h=mickledore&id=7d010055e2af3294e17db862f42664ca689a9356>`. - - - BitBake's UI will now ping the server regularly to ensure - it is still alive. - - Architecture-specific enhancements: - This release adds initial support for the @@ -227,7 +203,6 @@ New Features / Enhancements in 4.2 - ``base-passwd`` - ``cronie`` - ``cups`` - - ``cups`` - ``curl`` - ``file`` - ``gstreamer1.0-plugins-good`` @@ -310,9 +285,6 @@ New Features / Enhancements in 4.2 - Many packages were updated to add large file support. - - New :term:`VOLATILE_TMP_DIR` variable allows to specify whether ``/tmp`` - should be on persistent storage or in RAM. - - ``vulkan-loader``: allow headless targets to build the loader - ``dhcpcd``: fix to work with systemd - ``u-boot``: add /boot to :term:`SYSROOT_DIRS` to allow boot files to be used by other recipes |