ref-manual: Updated the PREFERRED_VERSION variable description.
Fixes [YOCTO #8595] Applied some wording changes as part of the review process from Richard Purdie. (From yocto-docs rev: 3c4fc3cbdecb7e3c8287a915b82bc5469288d5db) Signed-off-by: Scott Rifenbark <srifenbark@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -9592,15 +9592,23 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
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PREFERRED_VERSION_python = "2.7.3"
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PREFERRED_VERSION_linux-yocto = "3.19%"
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</literallayout>
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If you want to force a particular version of a recipe,
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you can use "forcevariable" as follows:
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<literallayout class='monospaced'>
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PREFERRED_VERSION_linux-yocto_forcevariable = "3.4%"
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</literallayout>
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Another method is to use a machine override:
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Sometimes the <filename>PREFERRED_VERSION</filename>
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variable can be set by configuration files in a way that
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is hard to change.
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You can use
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<link linkend='var-OVERRIDES'><filename>OVERRIDES</filename></link>
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to set a machine-specific override.
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Here is an example:
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<literallayout class='monospaced'>
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PREFERRED_VERSION_linux-yocto_qemux86 = "3.4%"
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</literallayout>
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Although not recommended, worst case, you can also use the
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"forcevariable" override, which is the strongest override
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possible.
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Here is an example:
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<literallayout class='monospaced'>
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PREFERRED_VERSION_linux-yocto_forcevariable = "3.4%"
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</literallayout>
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</para>
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</glossdef>
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</glossentry>
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