diff options
Diffstat (limited to 'documentation/poky-ref-manual')
| -rw-r--r-- | documentation/poky-ref-manual/ref-variables.xml | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/documentation/poky-ref-manual/ref-variables.xml b/documentation/poky-ref-manual/ref-variables.xml index 2e3dbb6..8b1470b 100644 --- a/documentation/poky-ref-manual/ref-variables.xml +++ b/documentation/poky-ref-manual/ref-variables.xml @@ -87,9 +87,22 @@ <glossentry id='var-BBFILE_PRIORITY'><glossterm>BBFILE_PRIORITY</glossterm> <glossdef> - <para>Assigns different priorities to recipe files in different layers. - This variable is useful in situations where the same package might appear in multiple layers. - It allows you to choose what takes precedence.</para> + <para>Assigns different priorities to recipe files in different layers.</para> + <para>This variable is useful in situations where the same package appears in + more than one layer. + Setting BBFILE_PRIORITY allows you to prioritize a + layer against other layers that contain the same package - effectively + letting you control the precedence for the multiple layers. + The precedence established through this variable stands regardless of a + layer's package version (PV variable). + For example, a layer that has a package with a higher PV value but for + which the BBFILE_PRIORITY is set to have a lower precedence still has a + lower precedence.</para> + <para>A larger value for the BBFILE_PRIORITY variable results in a higher + precedence. + For example, the value 6 has a higher precedence than the + value 5. + By default, the BBFILE_PRIORITY variable is set to the value 5.</para> </glossdef> </glossentry> |
