diff options
Diffstat (limited to 'poky/documentation/ref-manual/structure.rst')
| -rw-r--r-- | poky/documentation/ref-manual/structure.rst | 81 |
1 files changed, 44 insertions, 37 deletions
diff --git a/poky/documentation/ref-manual/structure.rst b/poky/documentation/ref-manual/structure.rst index bdcffc1947..429f81e14c 100644 --- a/poky/documentation/ref-manual/structure.rst +++ b/poky/documentation/ref-manual/structure.rst @@ -68,6 +68,9 @@ information on separating output from your local Source Directory files (commonly described as an "out of tree" build), see the ":ref:`structure-core-script`" section. +See the ":ref:`The Build Directory --- build/ <structure-build>`" section for details +about the contents of the :term:`Build Directory`. + .. _handbook: ``documentation/`` @@ -189,7 +192,7 @@ Directory named ``mybuilds/`` that is outside of the :term:`Source Directory`:: $ source oe-init-build-env ~/mybuilds The OpenEmbedded build system uses the template configuration files, which -are found by default in the ``meta-poky/conf/`` directory in the Source +are found by default in the ``meta-poky/conf/templates/default`` directory in the Source Directory. See the ":ref:`dev-manual/common-tasks:creating a custom template configuration directory`" section in the Yocto Project Development Tasks Manual for more @@ -237,6 +240,18 @@ subdirectories. For information on the build history feature, see the ":ref:`dev-manual/common-tasks:maintaining build output quality`" section in the Yocto Project Development Tasks Manual. +.. _structure-build-cache: + +``build/cache/`` +---------------- + +This directory contains several internal files used by the OpenEmbedded +build system. + +It also contains ``sanity_info``, a text file keeping track of important +build information such as the values of :term:`TMPDIR`, :term:`SSTATE_DIR`, +as well as the name and version of the host distribution. + .. _structure-build-conf-local.conf: ``build/conf/local.conf`` @@ -261,15 +276,15 @@ OpenEmbedded build system creates it from ``local.conf.sample`` when you :ref:`structure-core-script`. The source ``local.conf.sample`` file used depends on the -:term:`TEMPLATECONF` script variable, which defaults to ``meta-poky/conf/`` +: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/`` when you are building from the OpenEmbedded-Core +and to ``meta/conf/templates/default`` when you are building from the OpenEmbedded-Core environment. Because the script variable points to the source of the ``local.conf.sample`` file, this implies that you can configure your build environment from any layer by setting the variable in the top-level build environment setup script as follows:: - TEMPLATECONF=your_layer/conf + TEMPLATECONF=your_layer/conf/templates/your_template_name Once the build process gets the sample file, it uses ``sed`` to substitute final @@ -281,7 +296,7 @@ file, it uses ``sed`` to substitute final You can see how the :term:`TEMPLATECONF` variable is used by looking at the ``scripts/oe-setup-builddir`` script in the :term:`Source Directory`. You can find the Yocto Project version of the ``local.conf.sample`` file in - the ``meta-poky/conf`` directory. + the ``meta-poky/conf/templates/default`` directory. .. _structure-build-conf-bblayers.conf: @@ -301,14 +316,14 @@ you ``source`` the top-level build environment setup script (i.e. As with the ``local.conf`` file, the source ``bblayers.conf.sample`` file used depends on the :term:`TEMPLATECONF` script variable, which -defaults to ``meta-poky/conf/`` when you are building from the Yocto -Project development environment, and to ``meta/conf/`` when you are +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 building from the OpenEmbedded-Core environment. Because the script variable points to the source of the ``bblayers.conf.sample`` file, this implies that you can base your build from any layer by setting the variable in the top-level build environment setup script as follows:: - TEMPLATECONF=your_layer/conf + TEMPLATECONF=your_layer/conf/templates/your_template_name Once the build process gets the sample file, it uses ``sed`` to substitute final ``${``\ :term:`OEROOT`\ ``}`` values for all ``##OEROOT##`` values. @@ -317,17 +332,9 @@ Once the build process gets the sample file, it uses ``sed`` to substitute final You can see how the :term:`TEMPLATECONF` variable is defined by the ``scripts/oe-setup-builddir`` script in the :term:`Source Directory`. You can find the Yocto Project - version of the ``bblayers.conf.sample`` file in the ``meta-poky/conf/`` + version of the ``bblayers.conf.sample`` file in the ``meta-poky/conf/templates/default`` directory. -.. _structure-build-conf-sanity_info: - -``build/cache/sanity_info`` ---------------------------- - -This file indicates the state of the sanity checks and is created during -the build. - .. _structure-build-downloads: ``build/downloads/`` @@ -366,14 +373,14 @@ remove the ``build/sstate-cache`` directory. .. _structure-build-tmp-buildstats: ``build/tmp/buildstats/`` -------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~ This directory stores the build statistics. .. _structure-build-tmp-cache: ``build/tmp/cache/`` --------------------- +~~~~~~~~~~~~~~~~~~~~ When BitBake parses the metadata (recipes and configuration files), it caches the results in ``build/tmp/cache/`` to speed up future builds. @@ -389,7 +396,7 @@ cache is reused. If the file has changed, it is reparsed. .. _structure-build-tmp-deploy: ``build/tmp/deploy/`` ---------------------- +~~~~~~~~~~~~~~~~~~~~~ This directory contains any "end result" output from the OpenEmbedded build process. The :term:`DEPLOY_DIR` variable points @@ -402,7 +409,7 @@ Project Overview and Concepts Manual. .. _structure-build-tmp-deploy-deb: ``build/tmp/deploy/deb/`` -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^ This directory receives any ``.deb`` packages produced by the build process. The packages are sorted into feeds for different architecture @@ -411,7 +418,7 @@ types. .. _structure-build-tmp-deploy-rpm: ``build/tmp/deploy/rpm/`` -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^ This directory receives any ``.rpm`` packages produced by the build process. The packages are sorted into feeds for different architecture @@ -420,14 +427,14 @@ types. .. _structure-build-tmp-deploy-ipk: ``build/tmp/deploy/ipk/`` -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^ This directory receives ``.ipk`` packages produced by the build process. .. _structure-build-tmp-deploy-licenses: ``build/tmp/deploy/licenses/`` ------------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This directory receives package licensing information. For example, the directory contains sub-directories for ``bash``, ``busybox``, and @@ -440,7 +447,7 @@ section in the Yocto Project Development Tasks Manual. .. _structure-build-tmp-deploy-images: ``build/tmp/deploy/images/`` ----------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^^^^ This directory is populated with the basic output objects of the build (think of them as the "generated artifacts" of the build process), @@ -467,7 +474,7 @@ the kernel files:: .. _structure-build-tmp-deploy-sdk: ``build/tmp/deploy/sdk/`` -------------------------- +^^^^^^^^^^^^^^^^^^^^^^^^^ The OpenEmbedded build system creates this directory to hold toolchain installer scripts which, when executed, install the sysroot that matches @@ -479,7 +486,7 @@ Software Development Kit (eSDK) manual. .. _structure-build-tmp-sstate-control: ``build/tmp/sstate-control/`` ------------------------------ +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The OpenEmbedded build system uses this directory for the shared state manifest files. The shared state code uses these files to record the @@ -492,7 +499,7 @@ another. .. _structure-build-tmp-sysroots-components: ``build/tmp/sysroots-components/`` ----------------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This directory is the location of the sysroot contents that the task :ref:`ref-tasks-prepare_recipe_sysroot` @@ -507,7 +514,7 @@ should be automatic, and recipes should not directly reference .. _structure-build-tmp-sysroots: ``build/tmp/sysroots/`` ------------------------ +~~~~~~~~~~~~~~~~~~~~~~~ Previous versions of the OpenEmbedded build system used to create a global shared sysroot per machine along with a native sysroot. Since @@ -525,7 +532,7 @@ recipe-specific :term:`WORKDIR` directories. Thus, the .. _structure-build-tmp-stamps: ``build/tmp/stamps/`` ---------------------- +~~~~~~~~~~~~~~~~~~~~~ This directory holds information that BitBake uses for accounting purposes to track what tasks have run and when they have run. The @@ -545,7 +552,7 @@ section in the Yocto Project Overview and Concepts Manual. .. _structure-build-tmp-log: ``build/tmp/log/`` ------------------- +~~~~~~~~~~~~~~~~~~ This directory contains general logs that are not otherwise placed using the package's :term:`WORKDIR`. Examples of logs are the output from the @@ -555,7 +562,7 @@ necessarily mean this directory is created. .. _structure-build-tmp-work: ``build/tmp/work/`` -------------------- +~~~~~~~~~~~~~~~~~~~ This directory contains architecture-specific work sub-directories for packages built by BitBake. All tasks execute from the appropriate work @@ -587,7 +594,7 @@ install" places its output that is then split into sub-packages within .. _structure-build-tmp-work-tunearch-recipename-version: ``build/tmp/work/tunearch/recipename/version/`` ------------------------------------------------ +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The recipe work directory --- ``${WORKDIR}``. @@ -645,7 +652,7 @@ Here are key subdirectories within each recipe work directory: .. _structure-build-work-shared: ``build/tmp/work-shared/`` --------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~ For efficiency, the OpenEmbedded build system creates and uses this directory to hold recipes that share a work directory with other @@ -695,7 +702,7 @@ distribution configuration file. .. _structure-meta-conf-machine: ``meta/conf/machine/`` ----------------------- +~~~~~~~~~~~~~~~~~~~~~~ This directory contains all the machine configuration files. If you set ``MACHINE = "qemux86"``, the OpenEmbedded build system looks for a @@ -706,7 +713,7 @@ support for a new machine to the Yocto Project, look in this directory. .. _structure-meta-conf-distro: ``meta/conf/distro/`` ---------------------- +~~~~~~~~~~~~~~~~~~~~~ The contents of this directory controls any distribution-specific configurations. For the Yocto Project, the ``defaultsetup.conf`` is the @@ -718,7 +725,7 @@ file mainly inherits its configuration from Poky. .. _structure-meta-conf-machine-sdk: ``meta/conf/machine-sdk/`` --------------------------- +~~~~~~~~~~~~~~~~~~~~~~~~~~ The OpenEmbedded build system searches this directory for configuration files that correspond to the value of |