toaster-manual: New section on PREFERRED_VERSION
Added a new section in the interface use area that describes how to build a version of a recipe that is not the default version. Four new figures were added to support the description. (From yocto-docs rev: 232a875fb8fff97ce0578cf50b2a102bdaed1758) Signed-off-by: Scott Rifenbark <srifenbark@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Scott Rifenbark
Richard Purdie
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@ -867,58 +867,113 @@
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CPU usage, and disk I/O.
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</para></listitem>
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</itemizedlist>
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Following are several videos that show how to use the Toaster GUI:
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<itemizedlist>
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<listitem><para><emphasis>Build Configuration:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=qYgDZ8YzV6w'>video</ulink>
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overviews and demonstrates build configuration for Toaster.
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</para></listitem>
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<listitem><para><emphasis>Toaster Homepage and Table Controls:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=QEARDnrR1Xw'>video</ulink>
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goes over the Toaster entry page, and provides
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an overview of the data manipulation capabilities of
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Toaster, which include search, sorting and filtering by
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different criteria.
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</para></listitem>
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<listitem><para><emphasis>Build Dashboard:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=KKqHYcnp2gE'>video</ulink>
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shows you the build dashboard, a page providing an
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overview of the information available for a selected build.
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</para></listitem>
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<listitem><para><emphasis>Image Information:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=XqYGFsmA0Rw'>video</ulink>
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walks through the information Toaster provides
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about images: packages installed and root file system.
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</para></listitem>
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<listitem><para><emphasis>Configuration:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=UW-j-T2TzIg'>video</ulink>
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provides Toaster build configuration information.
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</para></listitem>
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<listitem><para><emphasis>Tasks:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=D4-9vGSxQtw'>video</ulink>
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shows the information Toaster provides about the
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tasks run by the build system.
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</para></listitem>
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<listitem><para><emphasis>Recipes and Packages Built:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=x-6dx4huNnw'>video</ulink>
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shows the information Toaster provides about recipes
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and packages built.
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</para></listitem>
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<listitem><para><emphasis>Performance Data:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=qWGMrJoqusQ'>video</ulink>
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shows the build performance data provided by
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Toaster.
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</para></listitem>
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</itemizedlist>
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</para>
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<section id='web-interface-videos'>
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<title>Toaster Web Interface Videos</title>
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<para>
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Following are several videos that show how to use the Toaster GUI:
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<itemizedlist>
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<listitem><para><emphasis>Build Configuration:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=qYgDZ8YzV6w'>video</ulink>
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overviews and demonstrates build configuration for Toaster.
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</para></listitem>
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<listitem><para><emphasis>Toaster Homepage and Table Controls:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=QEARDnrR1Xw'>video</ulink>
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goes over the Toaster entry page, and provides
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an overview of the data manipulation capabilities of
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Toaster, which include search, sorting and filtering by
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different criteria.
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</para></listitem>
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<listitem><para><emphasis>Build Dashboard:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=KKqHYcnp2gE'>video</ulink>
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shows you the build dashboard, a page providing an
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overview of the information available for a selected build.
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</para></listitem>
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<listitem><para><emphasis>Image Information:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=XqYGFsmA0Rw'>video</ulink>
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walks through the information Toaster provides
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about images: packages installed and root file system.
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</para></listitem>
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<listitem><para><emphasis>Configuration:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=UW-j-T2TzIg'>video</ulink>
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provides Toaster build configuration information.
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</para></listitem>
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<listitem><para><emphasis>Tasks:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=D4-9vGSxQtw'>video</ulink>
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shows the information Toaster provides about the
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tasks run by the build system.
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</para></listitem>
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<listitem><para><emphasis>Recipes and Packages Built:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=x-6dx4huNnw'>video</ulink>
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shows the information Toaster provides about recipes
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and packages built.
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</para></listitem>
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<listitem><para><emphasis>Performance Data:</emphasis>
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This
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<ulink url='https://www.youtube.com/watch?v=qWGMrJoqusQ'>video</ulink>
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shows the build performance data provided by
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Toaster.
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</para></listitem>
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</itemizedlist>
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</para>
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</section>
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<section id='toaster-web-interface-preferred-version'>
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<title>Building a Specific Recipe Given Multiple Versions</title>
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<para>
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Occasionally, a layer might provide more than one version of
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the same recipe.
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For example, the <filename>openembedded-core</filename> layer
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provides two versions of the <filename>bash</filename> recipe
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(i.e. 3.2.48 and 4.3.30-r0) and two versions of the
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<filename>which</filename> recipe (i.e. 2.21 and 2.18).
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The following figure shows this exact scenario:
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<imagedata fileref="figures/bash-oecore.png" align="center" width="9in" depth="6in" />
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</para>
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<para>
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By default, the OpenEmbedded build system builds one of the
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two recipes.
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For the <filename>bash</filename> case, version 4.3.30-r0 is
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built by default.
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Unfortunately, Toaster as it exists, is not able to override
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the default recipe version.
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If you would like to build bash 3.2.48, you need to set the
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<ulink url='&YOCTO_DOCS_REF_URL;#var-PREFERRED_VERSION'><filename>PREFERRED_VERSION</filename></ulink>
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variable.
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You can do so from Toaster, using the "Add variable" form,
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which is available in the "BitBake variables" page of the
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project configuration section as shown in the following screen:
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<imagedata fileref="figures/add-variable.png" align="center" width="9in" depth="6in" />
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</para>
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<para>
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To specify <filename>bash</filename> 3.2.48 as the version to build,
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enter "PREFERRED_VERSION_bash" in the "Variable" field, and "3.2.48"
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in the "Value" field.
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Next, click the "Add variable" button:
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<imagedata fileref="figures/set-variable.png" align="center" width="9in" depth="6in" />
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</para>
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<para>
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After clicking the "Add variable" button, the settings for
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<filename>PREFERRED_VERSION</filename> are added to the bottom
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of the BitBake variables list.
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With these settings, the OpenEmbedded build system builds the
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desired version of the recipe rather than the default version:
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<imagedata fileref="figures/variable-added.png" align="center" width="9in" depth="6in" />
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</para>
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</section>
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</section>
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