diff options
Diffstat (limited to 'documentation')
| -rw-r--r-- | documentation/ref-manual/migration.xml | 286 |
1 files changed, 284 insertions, 2 deletions
diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml index 466081d526..9b6711558e 100644 --- a/documentation/ref-manual/migration.xml +++ b/documentation/ref-manual/migration.xml @@ -3619,7 +3619,7 @@ $ runqemu qemux86-64 tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64. <para> The - <link linkend='var-KERNEL_IMAGE_BASE_NAME'><filename>KERNEL_IMAGE_BASE_NAME</filename></link> + <filename>KERNEL_IMAGE_BASE_NAME</filename> variable no longer uses the <link linkend='var-KERNEL_IMAGETYPE'><filename>KERNEL_IMAGETYPE</filename></link> variable to create the image's base name. @@ -5687,7 +5687,289 @@ id=f4d4f99cfbc2396e49c1613a7d237b9e57f06f81'>commit message</ulink>. Yocto Project 2.6 Release from the prior release. </para> - <section id='migration-2.5-automatic-testing-changes'> + <section id='migration-2.6-gcc-changes'> + <title>GCC 8.2 is Now Used by Default</title> + + <para> + The GNU Compiler Collection version 8.2 is now used by default + for compilation. + For more information on what has changed in the GCC 8.x release, + see + <ulink url='https://gcc.gnu.org/gcc-8/changes.html'></ulink>. + </para> + + <para> + If you still need to compile with version 7.x, GCC 7.3 is + also provided. + You can select this version by setting the + and can be selected by setting the + <link linkend='var-GCCVERSION'><filename>GCCVERSION</filename></link> + variable to "7.%" in your configuration. + </para> + </section> + + <section id='migration-2.6-removed-recipes'> + <title>Removed Recipes</title> + + <para> + The following recipes have been removed: + <literallayout class='monospaced'> + <emphasis><filename>beecrypt</filename>:</emphasis> No longer needed since moving to <filename>rpm4</filename>. + <emphasis><filename>bigreqsproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>calibrateproto</filename>:</emphasis> Removed in favor of <filename>xinput</filename>. + <emphasis><filename>compositeproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>damageproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>dmxproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>dri2proto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>dri3proto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>eee-acpi-scripts</filename>:</emphasis> Became obsolete. + <emphasis><filename>fixesproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>fontsproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>fstests</filename>:</emphasis> Became obsolete. + <emphasis><filename>gccmakedep</filename>:</emphasis> No longer used. + <emphasis><filename>glproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>gnome-desktop3</filename>:</emphasis> No longer needed. This recipe has moved to <filename>meta-oe</filename>. + <emphasis><filename>icon-naming-utils</filename>:</emphasis> No longer used since the Sato theme was removed in 2016. + <emphasis><filename>inputproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>kbproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>libusb-compat</filename>:</emphasis> Became obsolete. + <emphasis><filename>libuser</filename>:</emphasis> Became obsolete. + <emphasis><filename>libnfsidmap</filename>:</emphasis> No longer an external requirement since <filename>nfs-utils</filename> 2.2.1. <filename>libnfsidmap</filename> is now integrated. + <emphasis><filename>libxcalibrate</filename>:</emphasis> No longer needed with <filename>xinput</filename> + <emphasis><filename>mktemp</filename>:</emphasis> Became obsolete. The <filename>mktemp</filename> command is provided by both <filename>busybox</filename> and <filename>coreutils</filename>. + <emphasis><filename>ossp-uuid</filename>:</emphasis> Is not being maintained and has mostly been replaced by <filename>uuid.h</filename> in <filename>util-linux</filename>. + <emphasis><filename>pax-utils</filename>:</emphasis> No longer needed. Previous QA tests that did use this recipe are now done at build time. + <emphasis><filename>pcmciautils</filename>:</emphasis> Became obsolete. + <emphasis><filename>pixz</filename>:</emphasis> No longer needed. <filename>xz</filename> now supports multi-threaded compression. + <emphasis><filename>presentproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>randrproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>recordproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>renderproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>resourceproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>scrnsaverproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>trace-cmd</filename>:</emphasis> Became obsolete. <filename>perf</filename> replaced this recipe's functionally. + <emphasis><filename>videoproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>wireless-tools</filename>:</emphasis> Became obsolete. Superseded by <filename>iw</filename>. + <emphasis><filename>xcmiscproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xextproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xf86dgaproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xf86driproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xf86miscproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xf86-video-omapfb</filename>:</emphasis> Became obsolete. Use kernel modesetting driver instead. + <emphasis><filename>xf86-video-omap</filename>:</emphasis> Became obsolete Use kernel modesetting driver instead. + <emphasis><filename>xf86vidmodeproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xineramaproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>xproto</filename>:</emphasis> Replaced by <filename>xorgproto</filename>. + <emphasis><filename>yasm</filename>:</emphasis> No longer needed since previous usages are now satisfied by <filename>nasm</filename>. + </literallayout> + </para> + </section> + + <section id='migration-2.6-packaging-changes'> + <title>Packaging Changes</title> + + <para> + The following packaging changes have been made: + <itemizedlist> + <listitem><para> + <emphasis><filename>cmake</filename>:</emphasis> + <filename>cmake.m4</filename> and + <filename>toolchain</filename> files have been moved to the + main package. + </para></listitem> + <listitem><para> + <emphasis><filename>iptables</filename>:</emphasis> + The <filename>iptables</filename> modules have been split + into separate packages. + </para></listitem> + <listitem><para> + <emphasis><filename>alsa-lib</filename>:</emphasis> + <filename>libasound</filename> is now in the main + <filename>alsa-lib</filename> package instead of + <filename>libasound</filename>. + </para></listitem> + <listitem><para> + <emphasis><filename>glibc</filename>:</emphasis> + <filename>libnss-db</filename> is now in its own package + along with a <filename>/var/db/makedbs.sh</filename> + script to update databases. + </para></listitem> + <listitem><para> + <emphasis><filename>python</filename> and <filename>python3</filename>:</emphasis> + These have been removed from the main package entirely. + You must install specific packages or + <filename>python-modules</filename> for everything. + </para></listitem> + <listitem><para> + <emphasis><filename>systemtap</filename>:</emphasis> + Moved <filename>systemtap-exporter</filename> into its own + package. + </para></listitem> + </itemizedlist> + </para> + </section> + + <section id='migration-2.6-xorg-protocol-dependencies'> + <title>XOrg Protocol dependencies</title> + + <para> + The "*proto" upstream repositories have been combined into one + "xorgproto" repository. + Thus, the corresponding recipes have also been combined into a + single <filename>xorgproto</filename> recipe. + Any recipes that depend upon the older <filename>*proto</filename> + recipes need to be changed to depend on the newer + <filename>xorgproto</filename> recipe instead. + </para> + + <para> + For names of recipes removed because of this repository change, + see the + <link linkend="migration-2.6-removed-recipes">Removed Recipes</link> + section. + </para> + </section> + + <section id='migration-2.6-distutils-distutils3-fetching-dependencies'> + <title><filename>distutils</filename> and <filename>distutils3</filename> Now Prevent Fetching Dependencies During the <filename>do_configure</filename> Task</title> + + <para> + Previously, it was possible for Python recipes that inherited + the + <link linkend='ref-classes-distutils'><filename>distutils</filename></link> + and + <link linkend='ref-classes-distutils3'><filename>distutils3</filename></link> + classes to fetch code during the + <link linkend='ref-tasks-configure'><filename>do_configure</filename></link> + task to satisfy dependencies mentioned in + <filename>setup.py</filename> if those dependencies were not + provided in the sysroot (i.e. recipes providing the dependencies + were missing from + <link linkend='var-DEPENDS'><filename>DEPENDS</filename></link>). + <note> + This dependency affects classes beyond just the two mentioned + (i.e. <filename>distutils</filename> and + <filename>distutils3</filename>). + Any recipe that inherits <filename>distutils*</filename> + classes are affected. + For example, the <filename>setuptools</filename> and + <filename>setuptools3</filename> recipes are affected since + they inherit the <filename>distutils*</filename> classes. + </note> + </para> + + <para> + Fetching these types of dependencies that are not provided in the + sysroot negatively affects the ability to reproduce builds. + This type of fetching is now explicitly disabled. + Consequently, any missing dependencies in Python recipes that + use these classes now result in an error during the + <filename>do_configure</filename> task. + </para> + </section> + + <section id='migration-2.6-linux-yocto-configuration-audit-issues-now-correctly-reported'> + <title><filename>linux-yocto</filename> Configuration Audit Issues Now Correctly Reported</title> + + <para> + Due to a bug, the kernel configuration audit functionality was + not writing out any resulting warnings during the build. + This issue is now corrected. + You might notice these warnings now if you have a custom kernel + configuration with a <filename>linux-yocto</filename> style + kernel recipe. + </para> + </section> + + <section id='migration-2.6-image-kernel-artifact-naming-changes'> + <title>Image/Kernel Artifact Naming Changes</title> + + <para> + The following changes have been made: + <itemizedlist> + <listitem><para> + Name variables (e.g. + <link linkend='var-IMAGE_NAME'><filename>IMAGE_NAME</filename></link>) + use a new <filename>IMAGE_VERSION_SUFFIX</filename> + variable instead of + <link linkend='var-DATETIME'><filename>DATETIME</filename></link>. + Using <filename>IMAGE_VERSION_SUFFIX</filename> allows + easier and more direct changes.</para> + + <para>The <filename>IMAGE_VERSION_SUFFIX</filename> + variable is set in the + <filename>bitbake.conf</filename> configuration file as + follows: + <literallayout class='monospaced'> + IMAGE_VERSION_SUFFIX = "-${DATETIME}" + </literallayout> + </para></listitem> + <listitem><para> + Several variables have changed names for consistency: + <literallayout class='monospaced'> + Old Variable Name New Variable Name + ======================================================== + KERNEL_IMAGE_BASE_NAME <link linkend='var-KERNEL_IMAGE_NAME'>KERNEL_IMAGE_NAME</link> + KERNEL_IMAGE_SYMLINK_NAME <link linkend='var-KERNEL_IMAGE_LINK_NAME'>KERNEL_IMAGE_LINK_NAME</link> + MODULE_TARBALL_BASE_NAME <link linkend='var-MODULE_TARBALL_NAME'>MODULE_TARBALL_NAME</link> + MODULE_TARBALL_SYMLINK_NAME <link linkend='var-MODULE_TARBALL_LINK_NAME'>MODULE_TARBALL_LINK_NAME</link> + INITRAMFS_BASE_NAME <link linkend='var-INITRAMFS_NAME'>INITRAMFS_NAME</link> + </literallayout> + </para></listitem> + <listitem><para> + The <filename>MODULE_IMAGE_BASE_NAME</filename> variable + has been removed. + The module tarball name is now controlled directly with the + <link linkend='var-MODULE_TARBALL_NAME'><filename>MODULE_TARBALL_NAME</filename></link> + variable. + </para></listitem> + <listitem><para> + The + <link linkend='var-KERNEL_DTB_NAME'><filename>KERNEL_DTB_NAME</filename></link> + and + <link linkend='var-KERNEL_DTB_LINK_NAME'><filename>KERNEL_DTB_LINK_NAME</filename></link> + variables have been introduced to control kernel Device + Tree Binary (DTB) artifact names instead of mangling + <filename>KERNEL_IMAGE_*</filename> variables. + </para></listitem> + <listitem><para> + The + <link linkend='var-KERNEL_FIT_NAME'><filename>KERNEL_FIT_NAME</filename></link> + and + <link linkend='var-KERNEL_FIT_LINK_NAME'><filename>KERNEL_FIT_LINK_NAME</filename></link> + variables have been introduced to specify the name of + flattened image tree (FIT) kernel images similar to other + deployed artifacts. + </para></listitem> + <listitem><para> + The + <link linkend='var-MODULE_TARBALL_NAME'><filename>MODULE_TARBALL_NAME</filename></link> + and + <link linkend='var-MODULE_TARBALL_LINK_NAME'><filename>MODULE_TARBALL_LINK_NAME</filename></link> + variable values no longer include the "module-" prefix or + ".tgz" suffix. + These parts are now hardcoded so that the values are + consistent with other artifact naming variables. + </para></listitem> + <listitem><para> + Added the + <link linkend='var-INITRAMFS_LINK_NAME'><filename>INITRAMFS_LINK_NAME</filename></link> + variable so that the symlink can be controlled similarly + to other artifact types. + </para></listitem> + <listitem><para> + <link linkend='var-INITRAMFS_NAME'><filename>INITRAMFS_NAME</filename></link> + now uses + "${PKGE}-${PKGV}-${PKGR}-${MACHINE}${IMAGE_VERSION_SUFFIX}" + instead of + "${PV}-${PR}-${MACHINE}-${DATETIME}", which + makes it consistent with other variables. + </para></listitem> + </itemizedlist> + </para> + </section> + + <section id='migration-2.6-automatic-testing-changes'> <title>Automatic Testing Changes</title> <para> |