[PATCH 0/6] Start switching the documentation to bitbake-setup

[PATCH 0/6] Start switching the documentation to bitbake-setup

[Antonin Godard]

This series is a start for transitioning the documentation on instructing how
to build the reference poky distro with bitbake-setup instead of the
poky repository.

What this series does:

- Refreshing the local.conf and bblayers.conf documentation.
- Adding documentation for site.conf.
- Migrating the Quick Start Guide to bitbake-setup (thank you Tim Orling
  for the first iteration of this).
- Adding a new document to instruct how to set things up manually, using
  the different repositories that used to be part of the Poky
  repository.

There are still references to the poky repository in places in the
documentation. I will send updates to this series (or another one) as I
make progress on this. First, let's have some documentation on how to
use bitbake-setup, as a starting point.

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
Antonin Godard (6):
      ref-manual/structure.rst: update the description of local.conf and bblayers.conf
      ref-manual/structure.rst: document the site.conf file
      brief-yoctoprojectqs: delete unused figures
      brief-yoctoprojectqs: switch to bitbake-setup
      dev-manual: add a document to setup poky manually
      ref-manual/terms.rst: update Poky description

 .../brief-yoctoprojectqs/figures/bypqs-title.png   | Bin 14312 -> 0 bytes
 .../figures/yocto-project-transp.png               | Bin 8626 -> 0 bytes
 documentation/brief-yoctoprojectqs/index.rst       | 398 +++++++++++----------
 documentation/dev-manual/index.rst                 |   1 +
 documentation/dev-manual/poky-manual-setup.rst     | 125 +++++++
 documentation/ref-manual/structure.rst             |  66 ++--
 documentation/ref-manual/terms.rst                 |  19 +-
 7 files changed, 390 insertions(+), 219 deletions(-)
---
base-commit: 6ee2a9a04a4c8201a96a1173cf00aa7d206170df
change-id: 20251027-bitbake-setup-d8f38b266b4d

Best regards,
--  
Antonin Godard <antonin.godard@bootlin.com>

[PATCH 1/6] ref-manual/structure.rst: update the description of local.conf and bblayers.conf

[Antonin Godard]

The local.conf file is now mostly empty with the default way of setting
up the environment (with bitbake-setup), and this file is meant to hold
local user configurations, rather than an extensive list of variables.
Adjust the description to reflect the intended way of using this
configuration file.

Also, for both local.conf and bblayers.conf, rephrase the current
usage of the template files (.sample files) to _not_ imply that it is
the default way the OpenEmbedded build system sets things up.

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
 documentation/ref-manual/structure.rst | 32 ++++++++++++--------------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index 2640f461d..f7d7a819d 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -269,22 +269,15 @@ This directory should not be shared between builds.
 ``build/conf/local.conf``
 -------------------------
 
-This configuration file contains all the local user configurations for
-your build environment. The ``local.conf`` file contains documentation
-on the various configuration options. Any variable set here overrides
-any variable set elsewhere within the environment unless that variable
-is hard-coded within a file (e.g. by using '=' instead of '?='). Some
-variables are hard-coded for various reasons but such variables are
-relatively rare.
-
-At a minimum, you would normally edit this file to select the target
-:term:`MACHINE`, which package types you wish to use
-(:term:`PACKAGE_CLASSES`), and the location from
-which you want to access downloaded files (:term:`DL_DIR`).
-
-If ``local.conf`` is not present when you start the build, the
-OpenEmbedded build system creates it from ``local.conf.sample`` when you
-``source`` the top-level build environment setup script
+This configuration file contains the local user configurations for the build
+environment.
+
+You could for example edit this file to limit the number of threads used by
+:term:`BitBake` (:term:`BB_NUMBER_THREADS`) or set the location from which you
+want to access downloaded files (:term:`DL_DIR`).
+
+The :term:`OpenEmbedded Build System` can create it from a ``local.conf.sample``
+file when you ``source`` the top-level build environment setup script
 :ref:`structure-core-script`.
 
 The source ``local.conf.sample`` file used depends on the
@@ -321,12 +314,11 @@ which are directory trees, traversed (or walked) by BitBake. The
 ``bblayers.conf`` file uses the :term:`BBLAYERS`
 variable to list the layers BitBake tries to find.
 
-If ``bblayers.conf`` is not present when you start the build, the
-OpenEmbedded build system creates it from ``bblayers.conf.sample`` when
-you ``source`` the top-level build environment setup script (i.e.
+The OpenEmbedded build system can create it from a ``bblayers.conf.sample`` file
+when you ``source`` the top-level build environment setup script (i.e.
 :ref:`structure-core-script`).
 
-As with the ``local.conf`` file, the source ``bblayers.conf.sample``
+As with the :ref:`structure-build-conf-local.conf` file, the source ``bblayers.conf.sample``
 file used depends on the :term:`TEMPLATECONF` script variable, which
 defaults to ``meta-poky/conf/templates/default`` when you are building from the Yocto
 Project development environment, and to ``meta/conf/templates/default`` when you are

-- 
2.51.0

[PATCH 2/6] ref-manual/structure.rst: document the site.conf file

[Antonin Godard]

This was not documented and its usage is going to increase massively
once users start using bitbake-setup. Add a description for this file as
well as an example on how bitbake-setup shares it for multiple builds,
to insist on the "site-wide" usage of this file.

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
Note: a link to bitbake-setup documentation comes in the next patch.
---
 documentation/ref-manual/structure.rst | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index f7d7a819d..d817ee426 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -339,6 +339,35 @@ Once the build process gets the sample file, it uses ``sed`` to substitute final
    version of the ``bblayers.conf.sample`` file in the ``meta-poky/conf/templates/default``
    directory.
 
+.. _structure-build-conf-site.conf:
+
+``build/conf/site.conf``
+========================
+
+This configuration file contains the site specific configurations for your build
+environment.
+
+You could for example edit this file to limit the number of threads used by
+:term:`BitBake` (:term:`BB_NUMBER_THREADS`) or set the location from which you
+want to access downloaded files (:term:`DL_DIR`).
+
+This file can be shared for multiple build directories. For example,
+``bitbake-setup`` makes the :ref:`structure-build-conf-site.conf` file a
+symbolic link to a common ``site.conf`` file::
+
+   ├── poky-master-poky-distro_poky-machine_qemux86-64/
+   │   └── build/
+   │       └── conf/
+   │           └── site.conf -> ../../../site.conf
+   ├── poky-master-poky-with-sstate-distro_poky-machine_qemux86-64/
+   │   └── build/
+   │       └── conf/
+   │           └── site.conf -> ../../../site.conf
+   └── site.conf
+
+This way, site-specific settings can be shared for multiple build
+configurations.
+
 .. _structure-build-conf-bblock.conf:
 
 ``build/conf/bblock.conf``

-- 
2.51.0

[PATCH 3/6] brief-yoctoprojectqs: delete unused figures

[Antonin Godard]

These images are not used anywhere in the docs. Remove them.

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
 .../brief-yoctoprojectqs/figures/bypqs-title.png        | Bin 14312 -> 0 bytes
 .../figures/yocto-project-transp.png                    | Bin 8626 -> 0 bytes
 2 files changed, 0 insertions(+), 0 deletions(-)

diff --git a/documentation/brief-yoctoprojectqs/figures/bypqs-title.png b/documentation/brief-yoctoprojectqs/figures/bypqs-title.png
deleted file mode 100644
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u{by+-UHR;Mnea-5yF47q9zFlX6Bv%k>=fO2TDS^S*Lu48xvX<aXaWGMNFfRU


-- 
2.51.0

[PATCH 4/6] brief-yoctoprojectqs: switch to bitbake-setup

[Antonin Godard]

Switch to bitbake-setup as it has been merged in BitBake with commit
b96154aeb1fc ("bitbake-setup: add the initial implementation"). This is
the default way to setup repositories now, so describe it in
brief-yoctoprojectqs.rst.

Update the BSP layer addition section to use meta-yocto-bsp as
meta-altera seems abandoned (latest compatible version: mickedore).
meta-yocto-bsp is probably already part of the bblayers.conf file when
we instruct to add it with bitbake-layers, but this does not produce an
error and is still nice to have for demo purposes.

Co-developed-by: Tim Orling <tim.orling@konsulko.com>
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
 documentation/brief-yoctoprojectqs/index.rst | 390 +++++++++++++--------------
 documentation/ref-manual/structure.rst       |   5 +
 2 files changed, 198 insertions(+), 197 deletions(-)

diff --git a/documentation/brief-yoctoprojectqs/index.rst b/documentation/brief-yoctoprojectqs/index.rst
index 4a6f13d7e..c79b53a8b 100644
--- a/documentation/brief-yoctoprojectqs/index.rst
+++ b/documentation/brief-yoctoprojectqs/index.rst
@@ -87,80 +87,122 @@ distribution:
    see the :ref:`ref-manual/system-requirements:required packages for the build host`
    section in the Yocto Project Reference Manual.
 
-Use Git to Clone Poky
-=====================
+Use Git to Clone bitbake-setup
+==============================
 
 Once you complete the setup instructions for your machine, you need to
-get a copy of the Poky repository on your build host. Use the following
-commands to clone the Poky repository.
+get a copy of the ``bitbake-setup`` tool to setup the :term:`Poky` reference
+distribution on your build host. Use the following commands to clone
+the bitbake repository.
 
 .. code-block:: shell
 
-   $ git clone git://git.yoctoproject.org/poky
-   Cloning into 'poky'...
-   remote: Counting
-   objects: 432160, done. remote: Compressing objects: 100%
-   (102056/102056), done. remote: Total 432160 (delta 323116), reused
-   432037 (delta 323000) Receiving objects: 100% (432160/432160), 153.81 MiB | 8.54 MiB/s, done.
-   Resolving deltas: 100% (323116/323116), done.
-   Checking connectivity... done.
+   $ git clone git://git.openembedded.org/bitbake bitbake-setup
 
-Go to :yocto_wiki:`Releases wiki page </Releases>`, and choose a release
-codename (such as ``&DISTRO_NAME_NO_CAP;``), corresponding to either the
-latest stable release or a Long Term Support release.
-
-Then move to the ``poky`` directory and take a look at existing branches:
+Setup a build environment with the following command:
 
 .. code-block:: shell
 
-   $ cd poky
-   $ git branch -a
-   .
-   .
-   .
-   remotes/origin/HEAD -> origin/master
-   remotes/origin/dunfell
-   remotes/origin/dunfell-next
-   .
-   .
-   .
-   remotes/origin/gatesgarth
-   remotes/origin/gatesgarth-next
-   .
-   .
-   .
-   remotes/origin/master
-   remotes/origin/master-next
-   .
-   .
-   .
-
-
-For this example, check out the ``&DISTRO_NAME_NO_CAP;`` branch based on the
-``&DISTRO_NAME;`` release:
+   $ ./bitbake-setup/bin/bitbake-setup init
+
+By default, this will setup a top directory in ``$HOME/bitbake-builds``.
+
+If you prefer to setup your builds in a different top directory, for example the
+current directory, you can set it with the ``bitbake-setup settings`` command:
 
 .. code-block:: shell
 
-   $ git checkout -t origin/&DISTRO_NAME_NO_CAP; -b my-&DISTRO_NAME_NO_CAP;
-   Branch 'my-&DISTRO_NAME_NO_CAP;' set up to track remote branch '&DISTRO_NAME_NO_CAP;' from 'origin'.
-   Switched to a new branch 'my-&DISTRO_NAME_NO_CAP;'
+   $ ./bitbake-setup/bin/bitbake-setup settings set --global default top-dir-prefix $PWD
+
+.. note::
 
-The previous Git checkout command creates a local branch named
-``my-&DISTRO_NAME_NO_CAP;``. The files available to you in that branch
-exactly match the repository's files in the ``&DISTRO_NAME_NO_CAP;``
-release branch.
+   Use ``bitbake-setup settings list`` to get an overview of the settings.
 
-Note that you can regularly type the following command in the same directory
-to keep your local files in sync with the release branch:
+``bitbake-setup init`` is an interactive program by default and will ask you to
+make some decisions. Depending on your answers, the choices may differ from the
+examples below.
 
-.. code-block:: shell
+#. Choose a configuration (for example, ``poky-master``):
 
-   $ git pull
+   .. code-block:: shell
 
-For more options and information about accessing Yocto Project related
-repositories, see the
-:ref:`dev-manual/start:locating yocto project source files`
-section in the Yocto Project Development Tasks Manual.
+      Available configurations:
+      0. poky-master  Poky - The Yocto Project testing distribution configurations and hardware test platforms
+      1. oe-nodistro  OpenEmbedded - 'nodistro' basic configuration
+
+      Please select one of the above configurations by its number:
+      0
+
+   Depending on the choice above, new options can be prompted to further specify
+   which configuration to use. For example:
+
+   .. code-block:: shell
+
+      Available bitbake configurations:
+      0. poky Poky - The Yocto Project testing distribution
+      1. poky-with-sstate     Poky - The Yocto Project testing distribution with internet sstate acceleration. Use with caution as it requires a completely robust local network with sufficient bandwidth.
+
+      Please select one of the above bitbake configurations by its number:
+      0
+
+#. Choose a target :term:`MACHINE` (for example, ``qemux86-64``):
+
+   .. code-block:: shell
+
+      Target machines:
+      0. machine/qemux86-64
+      1. machine/qemuarm64
+      2. machine/qemuriscv64
+      3. machine/genericarm64
+      4. machine/genericx86-64
+
+      Please select one of the above options by its number:
+      0
+
+#. Choose a :term:`DISTRO` (for example, ``poky``):
+
+   .. code-block:: shell
+
+      Distribution configuration variants:
+      0. distro/poky
+      1. distro/poky-altcfg
+      2. distro/poky-tiny
+
+      Please select one of the above options by its number:
+      0
+
+.. note::
+
+   If you prefer to run non-interactively, you can run a command like the
+   following:
+
+   .. code-block:: shell
+
+      $ bitbake-setup init --non-interactive poky-master poky-with-sstate distro/poky machine/qemux86-64
+
+The ``init`` command creates a new folder in the top directory. Its name is
+derived from the selected configuration above.
+
+For the selected options in the above example, this would be::
+
+   poky-master-poky-distro_poky-machine_qemux86-64
+
+This will be our example configuration in the following sections.
+
+This directory contains:
+
+-  The :term:`Build Directory`, named ``build``. Later, when the build
+   completes, the :term:`Build Directory` contains all the files created during
+   the build.
+
+   This :term:`Build Directory` also contains a ``README``, describing the
+   currently configuration and minimal instructions.
+
+-  The :term:`layers <Layer>` needed to build the Poky reference distribution,
+   in the ``layers`` directory.
+
+-  A ``config`` directory, representing the current configuration used in this
+   directory.
 
 Building Your Image
 ===================
@@ -182,86 +224,64 @@ an entire Linux distribution, including the toolchain, from source.
       ":yocto_wiki:`Working Behind a Network Proxy </Working_Behind_a_Network_Proxy>`"
       page of the Yocto Project Wiki.
 
-#. **Initialize the Build Environment:** From within the ``poky``
-   directory, run the :ref:`ref-manual/structure:``oe-init-build-env```
-   environment
-   setup script to define Yocto Project's build environment on your
-   build host.
+#.  **Initialize the Build Environment:** Source the ``init-build-env``
+    environment setup script within the build directory to setup Yocto Project's
+    build environment on your :term:`Build Host`:
 
-   .. code-block:: shell
+    .. code-block:: shell
+
+       $ source poky-master-poky-distro_poky-machine_qemux86-64/build/init-build-env
+       Poky reference distro build
+
+#.  **Examine Your Current Configuration:** When you set up the build
+    environment, an configuration file named :ref:`toolcfg.conf
+    <structure-build-conf-toolcfg.conf>` becomes available in a ``conf``
+    sub-directory of the :term:`Build Directory`. This file is automatically
+    modified by the ``bitbake-config-build`` command-line tool. With this tool,
+    list the currently enabled :term:`configuration fragments <Configuration
+    Fragment>`:
+
+    .. code-block:: shell
+
+       $ bitbake-config-build list-fragments
+
+    For this configuration, the default is to use two :term:`Built-in Fragments
+    <Built-in Fragment>`:
+
+    -  ``distro/poky`` sets the :term:`DISTRO` to :term:`Poky`
+       (:ref:`ref-fragments-builtin-core-distro`).
+    -  ``machine/qemux86-64`` sets the :term:`MACHINE` to ``qemux86-64``
+       (:ref:`ref-fragments-builtin-core-machine`).
+
+    These fragments correspond to the choices made when running ``bitbake-setup
+    init``.
+
+    The current configuration does not allow the ``root`` user to login. As this
+    can be useful for development, you can enable ``root`` login by opening the
+    :ref:`structure-build-conf-site.conf` file and adding the following
+    statement::
 
-      $ cd poky
-      $ source oe-init-build-env
-      You had no conf/local.conf file. This configuration file has therefore been
-      created for you with some default values. You may wish to edit it to, for
-      example, select a different MACHINE (target hardware). See conf/local.conf
-      for more information as common configuration options are commented.
-
-      You had no conf/bblayers.conf file. This configuration file has therefore
-      been created for you with some default values. To add additional metadata
-      layers into your configuration please add entries to conf/bblayers.conf.
-
-      The Yocto Project has extensive documentation about OE including a reference
-      manual which can be found at:
-          https://docs.yoctoproject.org
-
-      For more information about OpenEmbedded see their website:
-          https://www.openembedded.org/
-
-      ### Shell environment set up for builds. ###
-
-      You can now run 'bitbake <target>'
-
-      Common targets are:
-          core-image-minimal
-          core-image-full-cmdline
-          core-image-sato
-          core-image-weston
-          meta-toolchain
-          meta-ide-support
-
-      You can also run generated QEMU images with a command like 'runqemu qemux86-64'
-
-      Other commonly useful commands are:
-       - 'devtool' and 'recipetool' handle common recipe tasks
-       - 'bitbake-layers' handles common layer tasks
-       - 'oe-pkgdata-util' handles common target package tasks
-
-   Among other things, the script creates the :term:`Build Directory`, which is
-   ``build`` in this case and is located in the :term:`Source Directory`.  After
-   the script runs, your current working directory is set to the
-   :term:`Build Directory`. Later, when the build completes, the
-   :term:`Build Directory` contains all the files created during the build.
-
-#. **Examine Your Local Configuration File:** When you set up the build
-   environment, a local configuration file named ``local.conf`` becomes
-   available in a ``conf`` subdirectory of the :term:`Build Directory`. For this
-   example, the defaults are set to build for a ``qemux86`` target,
-   which is suitable for emulation. The package manager used is set to
-   the RPM package manager.
-
-   .. tip::
-
-      You can significantly speed up your build and guard against fetcher
-      failures by using :ref:`overview-manual/concepts:shared state cache`
-      mirrors and enabling :ref:`overview-manual/concepts:hash equivalence`.
-      This way, you can use pre-built artifacts rather than building them.
-      This is relevant only when your network and the server that you use
-      can download these artifacts faster than you would be able to build them.
-
-      To use such mirrors, uncomment the below lines in your ``conf/local.conf``
-      file in the :term:`Build Directory`::
-
-         BB_HASHSERVE_UPSTREAM = "wss://hashserv.yoctoproject.org/ws"
-         SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
-         BB_HASHSERVE = "auto"
-         BB_SIGNATURE_HANDLER = "OEEquivHash"
-
-      The hash equivalence server needs the websockets python module version 9.1
-      or later. Debian GNU/Linux 12 (Bookworm) and later, Fedora, CentOS Stream
-      9 and later, and Ubuntu 22.04 (LTS) and later, all have a recent enough
-      package. Other supported distributions need to get the module some other
-      place than their package feed, e.g. via ``pip``.
+       EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"
+
+    .. note::
+
+       These set up the environment similar to what was previously in the local
+       configuration file :ref:`local.conf <structure-build-conf-local.conf>`,
+       which is now largely empty.
+
+    .. note::
+
+       You can significantly speed up your build and guard against fetcher
+       failures by using :ref:`overview-manual/concepts:shared state cache`
+       mirrors and enabling :ref:`overview-manual/concepts:hash equivalence`.
+       This way, you can use pre-built artifacts rather than building them.
+       This is relevant only when your network and the server that you use
+       can download these artifacts faster than you would be able to build them.
+
+       To use such mirrors, enable the
+       :ref:`ref-fragments-core-yocto-sstate-mirror-cdn` fragment:: 
+
+          $ bitbake-config-build enable-fragment core/yocto/sstate-mirror-cdn
 
 #. **Start the Build:** Continue with the following command to build an OS
    image for the target, which is ``core-image-sato`` in this example:
@@ -310,80 +330,53 @@ modular development and makes it easier to reuse the layer metadata.
 
 Follow these steps to add a hardware layer:
 
-#. **Find a Layer:** Many hardware layers are available. The Yocto Project
-   :yocto_git:`Source Repositories <>` has many hardware layers.
-   This example adds the
-   `meta-altera <https://github.com/kraj/meta-altera>`__ hardware layer.
+#.  **Find a Layer:** Many hardware layers, or :ref:`BSP layers
+    <overview-manual/concepts:bsp layer>` are available. The
+    :oe_layerindex:`layer index <>` can be used to find such layers. This example
+    adds the :yocto_git:`meta-yocto-bsp </meta-yocto/tree/meta-yocto-bsp>` BSP
+    layer.
 
-#. **Clone the Layer:** Use Git to make a local copy of the layer on your
-   machine. You can put the copy in the top level of the copy of the
-   Poky repository created earlier:
-
-   .. code-block:: shell
+#.  **Add Your Layer to the Layer Configuration File:** Before you can use
+    a layer during a build, you must add it to your ``bblayers.conf``
+    file, which is found in the :term:`Build Directory` ``conf`` directory.
 
-      $ cd poky
-      $ git clone https://github.com/kraj/meta-altera.git
-      Cloning into 'meta-altera'...
-      remote: Counting objects: 25170, done.
-      remote: Compressing objects: 100% (350/350), done.
-      remote: Total 25170 (delta 645), reused 719 (delta 538), pack-reused 24219
-      Receiving objects: 100% (25170/25170), 41.02 MiB | 1.64 MiB/s, done.
-      Resolving deltas: 100% (13385/13385), done.
-      Checking connectivity... done.
+    This layer is already part of ``meta-yocto``, so from the :term:`Build
+    Directory` use the ``bitbake-layers add-layer`` command to add the layer to
+    the configuration file:
 
-   The hardware layer is now available
-   next to other layers inside the Poky reference repository on your build
-   host as ``meta-altera`` and contains all the metadata needed to
-   support hardware from Altera, which is owned by Intel.
+    .. code-block:: shell
 
-   .. note::
+       $ bitbake-layers add-layer ../layers/meta-yocto/meta-yocto-bsp
 
-      It is recommended for layers to have a branch per Yocto Project release.
-      Please make sure to checkout the layer branch supporting the Yocto Project
-      release you're using.
+    You can find more information on adding layers in the
+    :ref:`dev-manual/layers:adding a layer using the \`\`bitbake-layers\`\`
+    script` section.
 
-#. **Change the Configuration to Build for a Specific Machine:** The
-   :term:`MACHINE` variable in the
-   ``local.conf`` file specifies the machine for the build. For this
-   example, set the :term:`MACHINE` variable to ``cyclone5``. These
-   configurations are used:
-   https://github.com/kraj/meta-altera/blob/master/conf/machine/cyclone5.conf.
+#.  **Change the Configuration to Build for a Specific Machine:** The
+    :term:`MACHINE` variable defined by the
+    :ref:`ref-fragments-builtin-core-machine` fragment defines the machine for
+    the build. For this example. The ``meta-yocto-bsp`` provides the
+    :yocto_git:`beaglebone-yocto </meta-yocto/tree/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf>` 
+    machine, make it the one used for the build with ``bitbake-config-build``:
 
-   .. note::
+    .. code-block:: shell
 
-      See the "Examine Your Local Configuration File" step earlier for more
-      information on configuring the build.
+       $ bitbake-config-build enable-fragment machine/beaglebone-yocto
 
-#. **Add Your Layer to the Layer Configuration File:** Before you can use
-   a layer during a build, you must add it to your ``bblayers.conf``
-   file, which is found in the :term:`Build Directory` ``conf`` directory.
+    .. note::
 
-   Use the ``bitbake-layers add-layer`` command to add the layer to the
-   configuration file:
+       See the "Examine Your Current Configuration" step earlier for more
+       information on configuring the build.
 
-   .. code-block:: shell
-
-      $ cd poky/build
-      $ bitbake-layers add-layer ../meta-altera
-      NOTE: Starting bitbake server...
-      Parsing recipes: 100% |##################################################################| Time: 0:00:32
-      Parsing of 918 .bb files complete (0 cached, 918 parsed). 1401 targets,
-      123 skipped, 0 masked, 0 errors.
-
-   You can find
-   more information on adding layers in the
-   :ref:`dev-manual/layers:adding a layer using the \`\`bitbake-layers\`\` script`
-   section.
-
-Completing these steps has added the ``meta-altera`` layer to your Yocto
+Completing these steps has added the ``meta-yocto-bsp`` layer to your Yocto
 Project development environment and configured it to build for the
-``cyclone5`` machine.
+``beaglebone-yocto`` machine.
 
 .. note::
 
    The previous steps are for demonstration purposes only. If you were
-   to attempt to build an image for the ``cyclone5`` machine, you should
-   read the Altera ``README``.
+   to attempt to build an image for the ``beaglebone-yocto `` machine, you
+   should read the ``README`` in ``meta-yocto-bsp``.
 
 Creating Your Own General Layer
 ===============================
@@ -396,14 +389,17 @@ configuration file, a ``recipes-example`` subdirectory that contains an
 ``example.bb`` recipe, a licensing file, and a ``README``.
 
 The following commands run the tool to create a layer named
-``meta-mylayer`` in the ``poky`` directory:
+``meta-mylayer``:
 
 .. code-block:: shell
 
-   $ cd poky
-   $ bitbake-layers create-layer meta-mylayer
+   $ bitbake-layers create-layer ../layers/meta-mylayer
    NOTE: Starting bitbake server...
-   Add your new layer with 'bitbake-layers add-layer meta-mylayer'
+   Add your new layer with 'bitbake-layers add-layer ../layers/meta-mylayer'
+
+.. note::
+
+   By convention, layers are placed side-by-side.
 
 For more information
 on layers and how to create them, see the
diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index d817ee426..b0e43c89f 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -368,6 +368,11 @@ symbolic link to a common ``site.conf`` file::
 This way, site-specific settings can be shared for multiple build
 configurations.
 
+.. note::
+
+   For more information on how to use ``bitbake-setup``, see the
+   :doc:`/brief-yoctoprojectqs/index` document.
+
 .. _structure-build-conf-bblock.conf:
 
 ``build/conf/bblock.conf``

-- 
2.51.0

[PATCH 5/6] dev-manual: add a document to setup poky manually

[Antonin Godard]

Add a new document describing how to setup the Poky reference
distribution manually. This document is referenced in the Quick Guide,
so that users that _know_ they want to setup Poky without bitbake-setup
have a link to it.

This document is also important to reflect the layout of the layers
expected by the bblayers.conf.sample file, as explained in [1].

[1]: https://lore.kernel.org/poky/20251028-update-bblayers-sample-v1-1-97ec54cda94e@bootlin.com/

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
 documentation/brief-yoctoprojectqs/index.rst   |  10 +-
 documentation/dev-manual/index.rst             |   1 +
 documentation/dev-manual/poky-manual-setup.rst | 125 +++++++++++++++++++++++++
 3 files changed, 135 insertions(+), 1 deletion(-)

diff --git a/documentation/brief-yoctoprojectqs/index.rst b/documentation/brief-yoctoprojectqs/index.rst
index c79b53a8b..74afe638a 100644
--- a/documentation/brief-yoctoprojectqs/index.rst
+++ b/documentation/brief-yoctoprojectqs/index.rst
@@ -204,6 +204,12 @@ This directory contains:
 -  A ``config`` directory, representing the current configuration used in this
    directory.
 
+.. note::
+
+   It is also possible to setup the :term:`Poky` reference distro manually. For
+   that refer to the :doc:`/dev-manual/poky-manual-setup` section of the Yocto
+   Project Development Tasks Manual.
+
 Building Your Image
 ===================
 
@@ -267,7 +273,9 @@ an entire Linux distribution, including the toolchain, from source.
 
        These set up the environment similar to what was previously in the local
        configuration file :ref:`local.conf <structure-build-conf-local.conf>`,
-       which is now largely empty.
+       which is now largely empty. To setup the build how it was done
+       previously, see the :doc:`/dev-manual/poky-manual-setup` section of the
+       Yocto Project Development Tasks Manual.
 
     .. note::
 
diff --git a/documentation/dev-manual/index.rst b/documentation/dev-manual/index.rst
index 7a581236a..adf776e00 100644
--- a/documentation/dev-manual/index.rst
+++ b/documentation/dev-manual/index.rst
@@ -17,6 +17,7 @@ Yocto Project Development Tasks Manual
    upgrading-recipes
    temporary-source-code
    creating-fragments
+   poky-manual-setup
    quilt.rst
    development-shell
    python-development-shell
diff --git a/documentation/dev-manual/poky-manual-setup.rst b/documentation/dev-manual/poky-manual-setup.rst
new file mode 100644
index 000000000..c760f2c2c
--- /dev/null
+++ b/documentation/dev-manual/poky-manual-setup.rst
@@ -0,0 +1,125 @@
+.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
+
+Setting Up the Poky Reference Distro Manually
+*********************************************
+
+While the default way to setup the :term:`Poky` reference distro is to use
+``bitbake-setup``, it is also possible to manually setup the environment. This
+document guides through this setup step-by-step.
+
+.. note::
+
+   This document will produce a setup similar to what is described in
+   :doc:`/brief-yoctoprojectqs/index`, which shows how to setup :term:`Poky`
+   with ``bitbake-setup``.
+
+Use Git to Clone The Layers
+===========================
+
+Go to :yocto_wiki:`Releases wiki page </Releases>`, and choose a release
+(such as ``&DISTRO_REL_LATEST_TAG;``), corresponding to either the latest stable
+release or a Long Term Support release.
+
+Once you complete the setup instructions for your machine (see the
+:doc:`/ref-manual/system-requirements` section of the Yocto Project Reference
+Manual), you need to get a copy of the different :term:`layers <Layer>` needed
+to setup the :term:`Poky` reference distribution on your build host. Use the
+following commands:
+
+.. code-block:: shell
+
+   $ mkdir layers/
+   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.openembedded.org/bitbake ./layers/bitbake
+   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.openembedded.org/openembedded-core ./layers/openembedded-core
+   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.yoctoproject.org/meta-yocto ./layers/meta-yocto
+
+Building Your Image
+===================
+
+Use the following steps to build your image. The build process creates
+an entire Linux distribution, including the toolchain, from source.
+
+.. note::
+
+   -  If you are working behind a firewall and your build host is not
+      set up for proxies, you could encounter problems with the build
+      process when fetching source code (e.g. fetcher failures or Git
+      failures).
+
+   -  If you do not know your proxy settings, consult your local network
+      infrastructure resources and get that information. A good starting
+      point could also be to check your web browser settings. Finally,
+      you can find more information on the
+      ":yocto_wiki:`Working Behind a Network Proxy </Working_Behind_a_Network_Proxy>`"
+      page of the Yocto Project Wiki.
+
+#.  **Initialize the Build Environment:** From your current working directory,
+    setup a build environment with the following command:
+
+    .. code-block:: shell
+
+       $ TEMPLATECONF=$PWD/layers/meta-yocto/meta-poky/conf/templates/default source ./layers/openembedded-core/oe-init-build-env
+
+    Among other things, the script creates the :term:`Build Directory`, which is
+    ``build`` in this case and is located in the :term:`Source Directory`.
+    After the script runs, your current working directory is set to the
+    :term:`Build Directory`. Later, when the build completes, the :term:`Build
+    Directory` contains all the files created during the build.
+
+#.  **Examine Your Local Configuration File:** When you set up the build
+    environment, a local configuration file named ``local.conf`` becomes
+    available in a ``conf`` sub-directory of the :term:`Build Directory`. For
+    this example, the defaults are set to build for a ``qemux86-64`` target,
+    which is suitable for emulation. The package manager used is set to the RPM
+    package manager.
+
+    .. tip::
+
+       You can significantly speed up your build and guard against fetcher
+       failures by using :ref:`overview-manual/concepts:shared state cache`
+       mirrors and enabling :ref:`overview-manual/concepts:hash equivalence`.
+       This way, you can use pre-built artifacts rather than building them.
+       This is relevant only when your network and the server that you use
+       can download these artifacts faster than you would be able to build them.
+
+       To use such mirrors, uncomment the below lines in your ``conf/local.conf``
+       file in the :term:`Build Directory`::
+
+          BB_HASHSERVE_UPSTREAM = "wss://hashserv.yoctoproject.org/ws"
+          SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
+          BB_HASHSERVE = "auto"
+          BB_SIGNATURE_HANDLER = "OEEquivHash"
+
+       The hash equivalence server needs the websockets python module version 9.1
+       or later. Debian GNU/Linux 12 (Bookworm) and later, Fedora, CentOS Stream
+       9 and later, and Ubuntu 22.04 (LTS) and later, all have a recent enough
+       package. Other supported distributions need to get the module some other
+       place than their package feed, e.g. via ``pip``.
+
+#.  **Start the Build:** Continue with the following command to build an OS
+    image for the target, which is ``core-image-sato`` in this example:
+
+    .. code-block:: shell
+
+       $ bitbake core-image-sato
+
+    For information on using the ``bitbake`` command, see the
+    :ref:`overview-manual/concepts:bitbake` section in the Yocto Project Overview and
+    Concepts Manual, or see
+    :ref:`bitbake-user-manual/bitbake-user-manual-intro:the bitbake command`
+    in the BitBake User Manual.
+
+#.  **Simulate Your Image Using QEMU:** Once this particular image is
+    built, you can start QEMU, which is a Quick EMUlator that ships with
+    the Yocto Project:
+
+    .. code-block:: shell
+
+       $ runqemu qemux86-64
+
+    If you want to learn more about running QEMU, see the
+    :ref:`dev-manual/qemu:using the quick emulator (qemu)` chapter in
+    the Yocto Project Development Tasks Manual.
+
+#.  **Exit QEMU:** Exit QEMU by either clicking on the shutdown icon or by typing
+    ``Ctrl-C`` in the QEMU transcript window from which you evoked QEMU.

-- 
2.51.0

[PATCH 6/6] ref-manual/terms.rst: update Poky description

[Antonin Godard]

Poky as in the repository will no longer be updated. Update the
description of Poky to remove the last bullet point, and add a note to
say that Poky was used before.

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
---
 documentation/ref-manual/terms.rst | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/documentation/ref-manual/terms.rst b/documentation/ref-manual/terms.rst
index e25c714d9..6a9f88061 100644
--- a/documentation/ref-manual/terms.rst
+++ b/documentation/ref-manual/terms.rst
@@ -461,11 +461,26 @@ universal, the list includes them just in case:
       -  A means by which to test the Yocto Project components (i.e. Poky
          is used to validate the Yocto Project).
 
-      -  A vehicle through which you can download the Yocto Project.
-
       Poky is not a product level distro. Rather, it is a good starting
       point for customization.
 
+      .. note::
+
+         Poky also used to be a repository containing the combination of
+         :term:`BitBake`, :term:`OpenEmbedded-Core (OE-Core)`, the
+         :yocto_git:`meta-yocto </meta-yocto>` repository and the Yocto Project
+         documentation -- which were combined with the :yocto_git:`combo-layer
+         </poky-config>` tool.
+
+         This repository is still hosted at :yocto_git:`/poky` and is still
+         updated for maintained releases that are older than Whinlatter (5.3).
+         Newer releases now use ``bitbake-setup`` to clone and setup the initial
+         :term:`OpenEmbedded Build System` environment. For more information on
+         how to use ``bitbake-setup``, see the :doc:`/brief-yoctoprojectqs/index`
+         document. An alternative can be to setup the above repositories
+         manually, by following the :doc:`/dev-manual/poky-manual-setup`
+         section of the Yocto Project Development Tasks Manual.
+
       .. note::
 
          Poky began as an open-source project initially developed by

-- 
2.51.0

Re: [docs] [PATCH 1/6] ref-manual/structure.rst: update the description of local.conf and bblayers.conf

[Alexander Kanavin]

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
> +This configuration file contains the local user configurations for the build
> +environment.
> +
> +You could for example edit this file to limit the number of threads used by
> +:term:`BitBake` (:term:`BB_NUMBER_THREADS`) or set the location from which you
> +want to access downloaded files (:term:`DL_DIR`).

These both belong in site.conf. I think a much better example of using
local.conf would be:

You could for example experiment with setting (or adding to)
DISTRO_FEATURES or IMAGE_FEATURES, or adjust build configurations for
specific recipes by setting PACKAGECONFIG for them. If you would like
to publish and share changes made to this file, it is recommended to
put them into a distro config, or to create layer fragments from
changes made here.


Alex

Re: [docs] [PATCH 2/6] ref-manual/structure.rst: document the site.conf file

[Alexander Kanavin]

lgtm

Alex

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
>
> This was not documented and its usage is going to increase massively
> once users start using bitbake-setup. Add a description for this file as
> well as an example on how bitbake-setup shares it for multiple builds,
> to insist on the "site-wide" usage of this file.
>
> Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
> ---
> Note: a link to bitbake-setup documentation comes in the next patch.
> ---
>  documentation/ref-manual/structure.rst | 29 +++++++++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>
> diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
> index f7d7a819d..d817ee426 100644
> --- a/documentation/ref-manual/structure.rst
> +++ b/documentation/ref-manual/structure.rst
> @@ -339,6 +339,35 @@ Once the build process gets the sample file, it uses ``sed`` to substitute final
>     version of the ``bblayers.conf.sample`` file in the ``meta-poky/conf/templates/default``
>     directory.
>
> +.. _structure-build-conf-site.conf:
> +
> +``build/conf/site.conf``
> +========================
> +
> +This configuration file contains the site specific configurations for your build
> +environment.
> +
> +You could for example edit this file to limit the number of threads used by
> +:term:`BitBake` (:term:`BB_NUMBER_THREADS`) or set the location from which you
> +want to access downloaded files (:term:`DL_DIR`).
> +
> +This file can be shared for multiple build directories. For example,
> +``bitbake-setup`` makes the :ref:`structure-build-conf-site.conf` file a
> +symbolic link to a common ``site.conf`` file::
> +
> +   ├── poky-master-poky-distro_poky-machine_qemux86-64/
> +   │   └── build/
> +   │       └── conf/
> +   │           └── site.conf -> ../../../site.conf
> +   ├── poky-master-poky-with-sstate-distro_poky-machine_qemux86-64/
> +   │   └── build/
> +   │       └── conf/
> +   │           └── site.conf -> ../../../site.conf
> +   └── site.conf
> +
> +This way, site-specific settings can be shared for multiple build
> +configurations.
> +
>  .. _structure-build-conf-bblock.conf:
>
>  ``build/conf/bblock.conf``
>
> --
> 2.51.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Links: You receive all messages sent to this group.
> View/Reply Online (#7927): https://lists.yoctoproject.org/g/docs/message/7927
> Mute This Topic: https://lists.yoctoproject.org/mt/116033120/1686489
> Group Owner: docs+owner@lists.yoctoproject.org
> Unsubscribe: https://lists.yoctoproject.org/g/docs/unsub [alex.kanavin@gmail.com]
> -=-=-=-=-=-=-=-=-=-=-=-
>

Re: [docs] [PATCH 4/6] brief-yoctoprojectqs: switch to bitbake-setup

[Alexander Kanavin]

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
> +The ``init`` command creates a new folder in the top directory. Its name is
> +derived from the selected configuration above.
> +
> +For the selected options in the above example, this would be::
> +
> +   poky-master-poky-distro_poky-machine_qemux86-64
> +
> +This will be our example configuration in the following sections.
> +
> +This directory contains:
> +
> +-  The :term:`Build Directory`, named ``build``. Later, when the build
> +   completes, the :term:`Build Directory` contains all the files created during
> +   the build.
> +
> +   This :term:`Build Directory` also contains a ``README``, describing the
> +   currently configuration and minimal instructions.
> +
> +-  The :term:`layers <Layer>` needed to build the Poky reference distribution,
> +   in the ``layers`` directory.
> +
> +-  A ``config`` directory, representing the current configuration used in this
> +   directory.

Note the terminology section here:
https://git.openembedded.org/bitbake/commit/?id=b96154aeb1fc89184ac245e0d68e6e726fe80c04

Particularly, the build directory is
'poky-master-poky-distro_poky-machine_qemux86-64', and 'build' is
*bitbake* build directory under that. I'm not sure if existing
definitions in documentation can be adjusted, but confusion should be
avoided as much as possible :)

> +#.  **Initialize the Build Environment:** Source the ``init-build-env``
> +    environment setup script within the build directory to setup Yocto Project's
> +    build environment on your :term:`Build Host`:

Better: bitbake build directory, bitbake build environment.

> +    The current configuration does not allow the ``root`` user to login. As this
> +    can be useful for development, you can enable ``root`` login by opening the
> +    :ref:`structure-build-conf-site.conf` file and adding the following
> +    statement::
> +       EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"

This should be going to local.conf, certainly not site.conf! (because
site.conf is shared between all builds set up by bitbake-setup, and so
they will all have root with empty password :)

Also, I proposed a fragment that does the same (patches sent),
hopefully that goes through review and lands in master soon-ish, then
this can be too described in fragment termsB.

> +    .. note::
> +
> +       These set up the environment similar to what was previously in the local
> +       configuration file :ref:`local.conf <structure-build-conf-local.conf>`,
> +       which is now largely empty.
> +
> +    .. note::
> +
> +       You can significantly speed up your build and guard against fetcher
> +       failures by using :ref:`overview-manual/concepts:shared state cache`
> +       mirrors and enabling :ref:`overview-manual/concepts:hash equivalence`.
> +       This way, you can use pre-built artifacts rather than building them.
> +       This is relevant only when your network and the server that you use
> +       can download these artifacts faster than you would be able to build them.
> +
> +       To use such mirrors, enable the
> +       :ref:`ref-fragments-core-yocto-sstate-mirror-cdn` fragment::
> +
> +          $ bitbake-config-build enable-fragment core/yocto/sstate-mirror-cdn

Or you can make that choice (poky with sstate) when setting up a build
with bitbake-setup in the first place.

> +#.  **Find a Layer:** Many hardware layers, or :ref:`BSP layers
> +    <overview-manual/concepts:bsp layer>` are available. The
> +    :oe_layerindex:`layer index <>` can be used to find such layers. This example
> +    adds the :yocto_git:`meta-yocto-bsp </meta-yocto/tree/meta-yocto-bsp>` BSP
> +    layer.

That is assuming the user has selected 'nodistro' which does not
include meta-yocto. If they selected poky, then we need another layer
as an example, probably meta-raspberrypi?

Alex

Re: [docs] [PATCH 4/6] brief-yoctoprojectqs: switch to bitbake-setup

[Alexander Kanavin]

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
> -      The hash equivalence server needs the websockets python module version 9.1
> -      or later. Debian GNU/Linux 12 (Bookworm) and later, Fedora, CentOS Stream
> -      9 and later, and Ubuntu 22.04 (LTS) and later, all have a recent enough
> -      package. Other supported distributions need to get the module some other
> -      place than their package feed, e.g. via ``pip``.

This should be kept, but slightly rephrased to refer to the fragment
that enables sstate acceleration: "the hash equivalence server
specified by the fragment...".

Re: [docs] [PATCH 5/6] dev-manual: add a document to setup poky manually

[Alexander Kanavin]

lgtm.

Alex

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
>
> Add a new document describing how to setup the Poky reference
> distribution manually. This document is referenced in the Quick Guide,
> so that users that _know_ they want to setup Poky without bitbake-setup
> have a link to it.
>
> This document is also important to reflect the layout of the layers
> expected by the bblayers.conf.sample file, as explained in [1].
>
> [1]: https://lore.kernel.org/poky/20251028-update-bblayers-sample-v1-1-97ec54cda94e@bootlin.com/
>
> Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
> ---
>  documentation/brief-yoctoprojectqs/index.rst   |  10 +-
>  documentation/dev-manual/index.rst             |   1 +
>  documentation/dev-manual/poky-manual-setup.rst | 125 +++++++++++++++++++++++++
>  3 files changed, 135 insertions(+), 1 deletion(-)
>
> diff --git a/documentation/brief-yoctoprojectqs/index.rst b/documentation/brief-yoctoprojectqs/index.rst
> index c79b53a8b..74afe638a 100644
> --- a/documentation/brief-yoctoprojectqs/index.rst
> +++ b/documentation/brief-yoctoprojectqs/index.rst
> @@ -204,6 +204,12 @@ This directory contains:
>  -  A ``config`` directory, representing the current configuration used in this
>     directory.
>
> +.. note::
> +
> +   It is also possible to setup the :term:`Poky` reference distro manually. For
> +   that refer to the :doc:`/dev-manual/poky-manual-setup` section of the Yocto
> +   Project Development Tasks Manual.
> +
>  Building Your Image
>  ===================
>
> @@ -267,7 +273,9 @@ an entire Linux distribution, including the toolchain, from source.
>
>         These set up the environment similar to what was previously in the local
>         configuration file :ref:`local.conf <structure-build-conf-local.conf>`,
> -       which is now largely empty.
> +       which is now largely empty. To setup the build how it was done
> +       previously, see the :doc:`/dev-manual/poky-manual-setup` section of the
> +       Yocto Project Development Tasks Manual.
>
>      .. note::
>
> diff --git a/documentation/dev-manual/index.rst b/documentation/dev-manual/index.rst
> index 7a581236a..adf776e00 100644
> --- a/documentation/dev-manual/index.rst
> +++ b/documentation/dev-manual/index.rst
> @@ -17,6 +17,7 @@ Yocto Project Development Tasks Manual
>     upgrading-recipes
>     temporary-source-code
>     creating-fragments
> +   poky-manual-setup
>     quilt.rst
>     development-shell
>     python-development-shell
> diff --git a/documentation/dev-manual/poky-manual-setup.rst b/documentation/dev-manual/poky-manual-setup.rst
> new file mode 100644
> index 000000000..c760f2c2c
> --- /dev/null
> +++ b/documentation/dev-manual/poky-manual-setup.rst
> @@ -0,0 +1,125 @@
> +.. SPDX-License-Identifier: CC-BY-SA-2.0-UK
> +
> +Setting Up the Poky Reference Distro Manually
> +*********************************************
> +
> +While the default way to setup the :term:`Poky` reference distro is to use
> +``bitbake-setup``, it is also possible to manually setup the environment. This
> +document guides through this setup step-by-step.
> +
> +.. note::
> +
> +   This document will produce a setup similar to what is described in
> +   :doc:`/brief-yoctoprojectqs/index`, which shows how to setup :term:`Poky`
> +   with ``bitbake-setup``.
> +
> +Use Git to Clone The Layers
> +===========================
> +
> +Go to :yocto_wiki:`Releases wiki page </Releases>`, and choose a release
> +(such as ``&DISTRO_REL_LATEST_TAG;``), corresponding to either the latest stable
> +release or a Long Term Support release.
> +
> +Once you complete the setup instructions for your machine (see the
> +:doc:`/ref-manual/system-requirements` section of the Yocto Project Reference
> +Manual), you need to get a copy of the different :term:`layers <Layer>` needed
> +to setup the :term:`Poky` reference distribution on your build host. Use the
> +following commands:
> +
> +.. code-block:: shell
> +
> +   $ mkdir layers/
> +   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.openembedded.org/bitbake ./layers/bitbake
> +   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.openembedded.org/openembedded-core ./layers/openembedded-core
> +   $ git clone -b &DISTRO_REL_LATEST_TAG; https://git.yoctoproject.org/meta-yocto ./layers/meta-yocto
> +
> +Building Your Image
> +===================
> +
> +Use the following steps to build your image. The build process creates
> +an entire Linux distribution, including the toolchain, from source.
> +
> +.. note::
> +
> +   -  If you are working behind a firewall and your build host is not
> +      set up for proxies, you could encounter problems with the build
> +      process when fetching source code (e.g. fetcher failures or Git
> +      failures).
> +
> +   -  If you do not know your proxy settings, consult your local network
> +      infrastructure resources and get that information. A good starting
> +      point could also be to check your web browser settings. Finally,
> +      you can find more information on the
> +      ":yocto_wiki:`Working Behind a Network Proxy </Working_Behind_a_Network_Proxy>`"
> +      page of the Yocto Project Wiki.
> +
> +#.  **Initialize the Build Environment:** From your current working directory,
> +    setup a build environment with the following command:
> +
> +    .. code-block:: shell
> +
> +       $ TEMPLATECONF=$PWD/layers/meta-yocto/meta-poky/conf/templates/default source ./layers/openembedded-core/oe-init-build-env
> +
> +    Among other things, the script creates the :term:`Build Directory`, which is
> +    ``build`` in this case and is located in the :term:`Source Directory`.
> +    After the script runs, your current working directory is set to the
> +    :term:`Build Directory`. Later, when the build completes, the :term:`Build
> +    Directory` contains all the files created during the build.
> +
> +#.  **Examine Your Local Configuration File:** When you set up the build
> +    environment, a local configuration file named ``local.conf`` becomes
> +    available in a ``conf`` sub-directory of the :term:`Build Directory`. For
> +    this example, the defaults are set to build for a ``qemux86-64`` target,
> +    which is suitable for emulation. The package manager used is set to the RPM
> +    package manager.
> +
> +    .. tip::
> +
> +       You can significantly speed up your build and guard against fetcher
> +       failures by using :ref:`overview-manual/concepts:shared state cache`
> +       mirrors and enabling :ref:`overview-manual/concepts:hash equivalence`.
> +       This way, you can use pre-built artifacts rather than building them.
> +       This is relevant only when your network and the server that you use
> +       can download these artifacts faster than you would be able to build them.
> +
> +       To use such mirrors, uncomment the below lines in your ``conf/local.conf``
> +       file in the :term:`Build Directory`::
> +
> +          BB_HASHSERVE_UPSTREAM = "wss://hashserv.yoctoproject.org/ws"
> +          SSTATE_MIRRORS ?= "file://.* http://sstate.yoctoproject.org/all/PATH;downloadfilename=PATH"
> +          BB_HASHSERVE = "auto"
> +          BB_SIGNATURE_HANDLER = "OEEquivHash"
> +
> +       The hash equivalence server needs the websockets python module version 9.1
> +       or later. Debian GNU/Linux 12 (Bookworm) and later, Fedora, CentOS Stream
> +       9 and later, and Ubuntu 22.04 (LTS) and later, all have a recent enough
> +       package. Other supported distributions need to get the module some other
> +       place than their package feed, e.g. via ``pip``.
> +
> +#.  **Start the Build:** Continue with the following command to build an OS
> +    image for the target, which is ``core-image-sato`` in this example:
> +
> +    .. code-block:: shell
> +
> +       $ bitbake core-image-sato
> +
> +    For information on using the ``bitbake`` command, see the
> +    :ref:`overview-manual/concepts:bitbake` section in the Yocto Project Overview and
> +    Concepts Manual, or see
> +    :ref:`bitbake-user-manual/bitbake-user-manual-intro:the bitbake command`
> +    in the BitBake User Manual.
> +
> +#.  **Simulate Your Image Using QEMU:** Once this particular image is
> +    built, you can start QEMU, which is a Quick EMUlator that ships with
> +    the Yocto Project:
> +
> +    .. code-block:: shell
> +
> +       $ runqemu qemux86-64
> +
> +    If you want to learn more about running QEMU, see the
> +    :ref:`dev-manual/qemu:using the quick emulator (qemu)` chapter in
> +    the Yocto Project Development Tasks Manual.
> +
> +#.  **Exit QEMU:** Exit QEMU by either clicking on the shutdown icon or by typing
> +    ``Ctrl-C`` in the QEMU transcript window from which you evoked QEMU.
>
> --
> 2.51.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
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>

Re: [docs] [PATCH 6/6] ref-manual/terms.rst: update Poky description

[Alexander Kanavin]

lgtm.

Thanks for doing this, other than some tweaks (see my other messages),
the patchset's fine!

Alex

On Thu, 30 Oct 2025 at 17:29, Antonin Godard via
lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
>
> Poky as in the repository will no longer be updated. Update the
> description of Poky to remove the last bullet point, and add a note to
> say that Poky was used before.
>
> Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
> ---
>  documentation/ref-manual/terms.rst | 19 +++++++++++++++++--
>  1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/documentation/ref-manual/terms.rst b/documentation/ref-manual/terms.rst
> index e25c714d9..6a9f88061 100644
> --- a/documentation/ref-manual/terms.rst
> +++ b/documentation/ref-manual/terms.rst
> @@ -461,11 +461,26 @@ universal, the list includes them just in case:
>        -  A means by which to test the Yocto Project components (i.e. Poky
>           is used to validate the Yocto Project).
>
> -      -  A vehicle through which you can download the Yocto Project.
> -
>        Poky is not a product level distro. Rather, it is a good starting
>        point for customization.
>
> +      .. note::
> +
> +         Poky also used to be a repository containing the combination of
> +         :term:`BitBake`, :term:`OpenEmbedded-Core (OE-Core)`, the
> +         :yocto_git:`meta-yocto </meta-yocto>` repository and the Yocto Project
> +         documentation -- which were combined with the :yocto_git:`combo-layer
> +         </poky-config>` tool.
> +
> +         This repository is still hosted at :yocto_git:`/poky` and is still
> +         updated for maintained releases that are older than Whinlatter (5.3).
> +         Newer releases now use ``bitbake-setup`` to clone and setup the initial
> +         :term:`OpenEmbedded Build System` environment. For more information on
> +         how to use ``bitbake-setup``, see the :doc:`/brief-yoctoprojectqs/index`
> +         document. An alternative can be to setup the above repositories
> +         manually, by following the :doc:`/dev-manual/poky-manual-setup`
> +         section of the Yocto Project Development Tasks Manual.
> +
>        .. note::
>
>           Poky began as an open-source project initially developed by
>
> --
> 2.51.0
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
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>

Re: [docs] [PATCH 4/6] brief-yoctoprojectqs: switch to bitbake-setup

[Antonin Godard]

Hi,

On Fri Oct 31, 2025 at 5:08 PM CET, Alexander Kanavin wrote:
[...]
>> +#.  **Find a Layer:** Many hardware layers, or :ref:`BSP layers
>> +    <overview-manual/concepts:bsp layer>` are available. The
>> +    :oe_layerindex:`layer index <>` can be used to find such layers. This example
>> +    adds the :yocto_git:`meta-yocto-bsp </meta-yocto/tree/meta-yocto-bsp>` BSP
>> +    layer.
>
> That is assuming the user has selected 'nodistro' which does not
> include meta-yocto. If they selected poky, then we need another layer
> as an example, probably meta-raspberrypi?

The issue with this is that there is a lag between when a Yocto release comes
out, and when the BSP layer is ready for it. So there is a timespan where the
docs will not work. With meta-yocto-bsp, we're sure that this example will
always work.

On the other hand, having an external layer here would be an opportunity to shed
some light on `bitbake-layers layerindex-fetch --branch scarthgap --fetchdir
../layers/ meta-raspberrypi`. So I'm a bit torn on this but I think I prefer
going with meta-yocto-bsp.

What do you think?

Antonin

-- 
Antonin Godard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

Re: [docs] [PATCH 4/6] brief-yoctoprojectqs: switch to bitbake-setup

[Alexander Kanavin]

On Mon, 3 Nov 2025 at 17:07, Antonin Godard <antonin.godard@bootlin.com> wrote:
> > That is assuming the user has selected 'nodistro' which does not
> > include meta-yocto. If they selected poky, then we need another layer
> > as an example, probably meta-raspberrypi?
>
> The issue with this is that there is a lag between when a Yocto release comes
> out, and when the BSP layer is ready for it. So there is a timespan where the
> docs will not work. With meta-yocto-bsp, we're sure that this example will
> always work.
>
> On the other hand, having an external layer here would be an opportunity to shed
> some light on `bitbake-layers layerindex-fetch --branch scarthgap --fetchdir
> ../layers/ meta-raspberrypi`. So I'm a bit torn on this but I think I prefer
> going with meta-yocto-bsp.
>
> What do you think?

I still think there should be a useful and well-supported 3rd party
community layer here that enables common and cheap hardware, and not
something contrived like meta-yocto-bsp.

meta-raspberrypi fits the bill perfectly, and has little-to-no lag
(e.g. whinlatter compatibility was added already 4 months ago), but
there should perhaps still be a caution note about it.

Alex