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| -rw-r--r-- | documentation/poky-ref-manual/ref-variables.xml | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/documentation/poky-ref-manual/ref-variables.xml b/documentation/poky-ref-manual/ref-variables.xml index 777a91b81f..5d4e5b1ab3 100644 --- a/documentation/poky-ref-manual/ref-variables.xml +++ b/documentation/poky-ref-manual/ref-variables.xml @@ -842,8 +842,18 @@ <para> If there are multiple versions of recipes available, this variable determines which recipe should be given preference. - The variable should be set to the <filename>$PV</filename> of the recipe - to whichy you want to give precedence. + The variable must always be suffixed with the <filename>$PN</filename> + for which to select, and should be set to the + <filename>$PV</filename> to which you want to give precedence. + You can use the "<filename>%</filename>" character as a wildcard + to match any number of characters, which can be useful when + specifying versions that contain long revision number that could + potentially change. + Here are two examples: + <literallayout class='monospaced'> + PREFERRED_VERSION_python = "2.6.6" + PREFERRED_VERSION_linux-yocto = "3.0+git%" + </literallayout> </para> </glossdef> </glossentry> |