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linux-yocto/3.8: allow kernel feature _appends to be overriden

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It was pointed out that the current way the KERNEL_FEATURES variable
is appended in the base linux-yocto recipe doesn't allow the appended
features to be prevented in a layer without using python code and
a recipe finalize hook.

To allow easier overriding of 'extra' or 'optional' features that are
defined in the linux-yocto recipe, we create a KERNEL_EXTRA_FEATURES
variable. This variable can be set in a layer to define extra features
or cleared to prevent the recipe's extra features from being appended
to the core functionality.

(From OE-Core rev: 779cb6e51fab87e00784bd97ec4771e69a79cf82)

Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Bruce Ashfield
2013-03-26 07:46:32 -07:00
committed by Richard Purdie
parent 720492dd14
commit ec9210718e
1 changed files with 3 additions and 4 deletions
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meta/recipes-kernel/linux/linux-yocto_3.8.bb
+3 -4
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@@ -23,8 +23,7 @@ KMETA = "meta"
COMPATIBLE_MACHINE = "qemuarm|qemux86|qemuppc|qemumips|qemux86-64"
# Functionality flags
KERNEL_FEATURES_append = " features/netfilter/netfilter.scc"
KERNEL_FEATURES_append_qemux86=" cfg/sound.scc"
KERNEL_FEATURES_append_qemux86-64=" cfg/sound.scc"
KERNEL_FEATURES_append_qemux86=" cfg/paravirt_kvm.scc"
KERNEL_EXTRA_FEATURES ?= "features/netfilter/netfilter.scc"
KERNEL_FEATURES_append_qemux86=" ${KERNEL_EXTRA_FEATURES} cfg/sound.scc cfg/paravirt_kvm.scc"
KERNEL_FEATURES_append_qemux86-64=" ${KERNEL_EXTRA_FEATURES} cfg/sound.scc"
KERNEL_FEATURES_append = " ${@bb.utils.contains("TUNE_FEATURES", "mx32", " cfg/x32.scc", "" ,d)}"