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| -rw-r--r-- | documentation/ref-manual/migration-3.2.rst | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/documentation/ref-manual/migration-3.2.rst b/documentation/ref-manual/migration-3.2.rst index 3c0ea7b2c25..b536f8e7951 100644 --- a/documentation/ref-manual/migration-3.2.rst +++ b/documentation/ref-manual/migration-3.2.rst @@ -75,6 +75,37 @@ pseudo will throw an ``abort()`` and direct you to a `wiki page <https://wiki.yo that explains how to deal with this. +.. _migration-3.2-multilib-mlprefix: + +``MLPREFIX`` now required for multilib when runtime dependencies conditionally added +------------------------------------------------------------------------------------ + +In order to solve some previously intractable problems with runtime +dependencies and multilib, a change was made that now requires the :term:`MLPREFIX` +value to be explicitly prepended to package names being added as +dependencies (e.g. in :term:`RDEPENDS` and :term:`RRECOMMENDS` values) +where the dependency is conditionally added. + +If you have anonymous python or in-line python conditionally adding +dependencies in your custom recipes, and you intend for those recipes to +work with multilib, then you will need to ensure that ``${MLPREFIX}`` +is prefixed on the package names in the dependencies, for example +(from the ``glibc`` recipe): :: + + RRECOMMENDS_${PN} = "${@bb.utils.contains('DISTRO_FEATURES', 'ldconfig', '${MLPREFIX}ldconfig', '', d)}" + +This also applies when conditionally adding packages to :term:`PACKAGES` where +those packages have dependencies, for example (from the ``alsa-plugins`` recipe): :: + + PACKAGES += "${@bb.utils.contains('PACKAGECONFIG', 'pulseaudio', 'alsa-plugins-pulseaudio-conf', '', d)}" + ... + RDEPENDS_${PN}-pulseaudio-conf += "\ + ${MLPREFIX}libasound-module-conf-pulse \ + ${MLPREFIX}libasound-module-ctl-pulse \ + ${MLPREFIX}libasound-module-pcm-pulse \ + " + + .. _migration-3.2-packagegroup-core-device-devel: packagegroup-core-device-devel no longer included in images built for qemu* machines |