* [PATCH v2 1/6] ref-manual/structure.rst: update the description of local.conf and bblayers.conf
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
2025-11-03 16:33 ` [PATCH v2 2/6] ref-manual/structure.rst: document the site.conf file Antonin Godard
` (4 subsequent siblings)
5 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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 | 36 +++++++++++++++-------------------
1 file changed, 16 insertions(+), 20 deletions(-)
diff --git a/documentation/ref-manual/structure.rst b/documentation/ref-manual/structure.rst
index 2640f461d..a2f2fd450 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -269,22 +269,19 @@ 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 experiment with setting (or adding to)
+:term:`DISTRO_FEATURES` or :term:`IMAGE_FEATURES`, or adjust build
+configurations for specific recipes by setting the :term:`PACKAGECONFIG`
+variables for them. If you would like to publish and share changes made to this
+file, it is recommended to put them into a distro :term:`configuration file`, or
+to create layer :term:`configuration fragments <Configuration Fragment>` from
+changes made here.
+
+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 +318,11 @@ 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
^ permalink raw reply related [flat|nested] 9+ messages in thread* [PATCH v2 2/6] ref-manual/structure.rst: document the site.conf file
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
2025-11-03 16:33 ` [PATCH v2 1/6] ref-manual/structure.rst: update the description of local.conf and bblayers.conf Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
2025-11-03 16:33 ` [PATCH v2 3/6] brief-yoctoprojectqs: delete unused figures Antonin Godard
` (3 subsequent siblings)
5 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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 a2f2fd450..f0205f0e5 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -343,6 +343,35 @@ 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
^ permalink raw reply related [flat|nested] 9+ messages in thread* [PATCH v2 3/6] brief-yoctoprojectqs: delete unused figures
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
2025-11-03 16:33 ` [PATCH v2 1/6] ref-manual/structure.rst: update the description of local.conf and bblayers.conf Antonin Godard
2025-11-03 16:33 ` [PATCH v2 2/6] ref-manual/structure.rst: document the site.conf file Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
2025-11-03 16:33 ` [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup Antonin Godard
` (2 subsequent siblings)
5 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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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--
2.51.0
^ permalink raw reply [flat|nested] 9+ messages in thread* [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
` (2 preceding siblings ...)
2025-11-03 16:33 ` [PATCH v2 3/6] brief-yoctoprojectqs: delete unused figures Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
2025-11-04 13:09 ` [docs] " Alexander Kanavin
2025-11-03 16:33 ` [PATCH v2 5/6] dev-manual: add a document to setup poky manually Antonin Godard
2025-11-03 16:33 ` [PATCH v2 6/6] ref-manual/terms.rst: update Poky description Antonin Godard
5 siblings, 1 reply; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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 | 391 +++++++++++++--------------
documentation/ref-manual/structure.rst | 5 +
2 files changed, 199 insertions(+), 197 deletions(-)
diff --git a/documentation/brief-yoctoprojectqs/index.rst b/documentation/brief-yoctoprojectqs/index.rst
index 4a6f13d7e..f8d09bb53 100644
--- a/documentation/brief-yoctoprojectqs/index.rst
+++ b/documentation/brief-yoctoprojectqs/index.rst
@@ -87,80 +87,123 @@ 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 :ref:`bitbake:ref-bbsetup-command-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 :ref:`bitbake:ref-bbsetup-command-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:
+:ref:`bitbake:ref-bbsetup-command-init` is an interactive program by default and
+will ask you to make some decisions. Depending on your answers, the output 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 :term:`bitbake:Setup` in the
+:term:`bitbake: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:`bitbake:BitBake Build` directory, named ``build``. Later, when the
+ build completes, this directory contains all the files created during the
+ build.
+
+ This directory also contains a ``README``, describing the current
+ configuration and showing some instructions.
+
+- The :term:`layers <Layer>` needed to build the Poky reference distribution,
+ in the ``layers`` directory.
+
+- A ``config`` directory, representing the current configuration used for this
+ :term:`bitbake:setup`.
Building Your Image
===================
@@ -182,86 +225,64 @@ 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 :term:`bitbake:BitBake build` directory
+ to setup the :term:`BitBake` build environment on your 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:`bitbake:BitBake 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` fragment).
+ - ``machine/qemux86-64`` sets the :term:`MACHINE` to ``qemux86-64``
+ (:ref:`ref-fragments-builtin-core-machine` fragment).
+
+ These fragment values correspond to the choices made when running
+ :ref:`bitbake:ref-bbsetup-command-init`.
+
+ .. note::
- $ 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``.
+ 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.
+
+ 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:`local.conf <structure-build-conf-local.conf>` file in ``conf/`` and
+ adding the following statement::
+
+ EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"
+
+ .. 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 +331,53 @@ 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 +390,17 @@ 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 f0205f0e5..c0eae9b7b 100644
--- a/documentation/ref-manual/structure.rst
+++ b/documentation/ref-manual/structure.rst
@@ -372,6 +372,11 @@ 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
^ permalink raw reply related [flat|nested] 9+ messages in thread* Re: [docs] [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup
2025-11-03 16:33 ` [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup Antonin Godard
@ 2025-11-04 13:09 ` Alexander Kanavin
2025-11-05 8:24 ` Antonin Godard
0 siblings, 1 reply; 9+ messages in thread
From: Alexander Kanavin @ 2025-11-04 13:09 UTC (permalink / raw)
To: antonin.godard; +Cc: docs
On Mon, 3 Nov 2025 at 17:33, Antonin Godard via lists.yoctoproject.org
<antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
> + 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:`local.conf <structure-build-conf-local.conf>` file in ``conf/`` and
> + adding the following statement::
> +
> + EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"
The fragment that does this has now landed:
https://git.openembedded.org/openembedded-core/commit/?id=e135458415dea5bbc4651e05dafe0b6903b65751
so this can be rewritten in fragment terms. Also you can add a note
that rephrases the cautions and appropriate use from the fragment
description/commit.
> +#. **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.
See a separate email about using raspberry pi instead:
https://lists.yoctoproject.org/g/docs/message/7984
Also this was not addressed?
https://lists.yoctoproject.org/g/docs/message/7955
You can add to that that the missing websockets dependency can be
fulfilled by installing buildtools, with 'bitbake-setup
install-buildtools'.
Other than these three issues, the patchset is good!
Alex
^ permalink raw reply [flat|nested] 9+ messages in thread
* Re: [docs] [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup
2025-11-04 13:09 ` [docs] " Alexander Kanavin
@ 2025-11-05 8:24 ` Antonin Godard
0 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-05 8:24 UTC (permalink / raw)
To: alex.kanavin; +Cc: docs
Hi,
On Tue Nov 4, 2025 at 2:09 PM CET, Alexander Kanavin via lists.yoctoproject.org wrote:
> On Mon, 3 Nov 2025 at 17:33, Antonin Godard via lists.yoctoproject.org
> <antonin.godard=bootlin.com@lists.yoctoproject.org> wrote:
>> + 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:`local.conf <structure-build-conf-local.conf>` file in ``conf/`` and
>> + adding the following statement::
>> +
>> + EXTRA_IMAGE_FEATURES = "allow-empty-password empty-root-password allow-root-login"
>
> The fragment that does this has now landed:
> https://git.openembedded.org/openembedded-core/commit/?id=e135458415dea5bbc4651e05dafe0b6903b65751
> so this can be rewritten in fragment terms. Also you can add a note
> that rephrases the cautions and appropriate use from the fragment
> description/commit.
Perfect! Will update that.
>> +#. **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.
>
> See a separate email about using raspberry pi instead:
> https://lists.yoctoproject.org/g/docs/message/7984
That convinced me, I will switch to meta-raspberrypi.
> Also this was not addressed?
> https://lists.yoctoproject.org/g/docs/message/7955
> You can add to that that the missing websockets dependency can be
> fulfilled by installing buildtools, with 'bitbake-setup
> install-buildtools'.
Ha, I added the note in the poky-manual-setup document but not in the brief.
Well spotted thanks.
> Other than these three issues, the patchset is good!
>
> Alex
Antonin
--
Antonin Godard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
^ permalink raw reply [flat|nested] 9+ messages in thread
* [PATCH v2 5/6] dev-manual: add a document to setup poky manually
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
` (3 preceding siblings ...)
2025-11-03 16:33 ` [PATCH v2 4/6] brief-yoctoprojectqs: switch to bitbake-setup Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
2025-11-03 16:33 ` [PATCH v2 6/6] ref-manual/terms.rst: update Poky description Antonin Godard
5 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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 f8d09bb53..1d03e8c09 100644
--- a/documentation/brief-yoctoprojectqs/index.rst
+++ b/documentation/brief-yoctoprojectqs/index.rst
@@ -205,6 +205,12 @@ This directory contains:
- A ``config`` directory, representing the current configuration used for this
:term:`bitbake:setup`.
+.. 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
===================
@@ -261,7 +267,9 @@ 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.
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
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
^ permalink raw reply related [flat|nested] 9+ messages in thread* [PATCH v2 6/6] ref-manual/terms.rst: update Poky description
2025-11-03 16:33 [PATCH v2 0/6] Start switching the documentation to bitbake-setup Antonin Godard
` (4 preceding siblings ...)
2025-11-03 16:33 ` [PATCH v2 5/6] dev-manual: add a document to setup poky manually Antonin Godard
@ 2025-11-03 16:33 ` Antonin Godard
5 siblings, 0 replies; 9+ messages in thread
From: Antonin Godard @ 2025-11-03 16:33 UTC (permalink / raw)
To: docs
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
^ permalink raw reply related [flat|nested] 9+ messages in thread