diff options
| -rw-r--r-- | documentation/ref-manual/ref-variables.xml | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml index fa652e57a1..fd15dff9a1 100644 --- a/documentation/ref-manual/ref-variables.xml +++ b/documentation/ref-manual/ref-variables.xml @@ -9592,14 +9592,22 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3" PREFERRED_VERSION_python = "2.7.3" PREFERRED_VERSION_linux-yocto = "3.19%" </literallayout> - If you want to force a particular version of a recipe, - you can use "forcevariable" as follows: + Sometimes the <filename>PREFERRED_VERSION</filename> + variable can be set by configuration files in a way that + is hard to change. + You can use + <link linkend='var-OVERRIDES'><filename>OVERRIDES</filename></link> + to set a machine-specific override. + Here is an example: <literallayout class='monospaced'> - PREFERRED_VERSION_linux-yocto_forcevariable = "3.4%" + PREFERRED_VERSION_linux-yocto_qemux86 = "3.4%" </literallayout> - Another method is to use a machine override: + Although not recommended, worst case, you can also use the + "forcevariable" override, which is the strongest override + possible. + Here is an example: <literallayout class='monospaced'> - PREFERRED_VERSION_linux-yocto_qemux86 = "3.4%" + PREFERRED_VERSION_linux-yocto_forcevariable = "3.4%" </literallayout> </para> </glossdef> |