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meta-openembedded/meta-oe/conf/layer.conf
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Khem Raj ba31e4eabd conf/layer.conf: Use .= for BBPATH and += for BBFILES
Provide additional commentary that should help a bit more

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Acked-by: Paul Menzel <paulepanter@users.sourceforge.net>
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
2011-05-09 18:59:00 +02:00

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# It really depends on order of the layers appearing in BBLAYERS
# variable in toplevel bblayers.conf file, where bitbake will search
# for .inc files and others where bitbake uses BBPATH since it will
# search the directories from first to last as specified in BBPATH
# Therefore if you want a given layer to be considered high priority
# for the .inc and .conf etc. then consider it adding at the beginning
# of BBPATH. For bblayers bitbake will use BBFILES_PRIORITY to resolve
# the recipe contention so the order of directories in BBFILES does
# not matter.
# We have a conf and classes directory, append to BBPATH
BBPATH .= ":${LAYERDIR}"
# We have a recipes directory, add to BBFILES
BBFILES += "${LAYERDIR}/recipes-*/*/*.bb ${LAYERDIR}/recipes-*/*/*.bbappend"
BBFILE_COLLECTIONS += "openembedded-layer"
BBFILE_PATTERN_openembedded-layer := "^${LAYERDIR}/"
# Define the priority for recipes (.bb files) from this layer,
# choosing carefully how this layer interacts with all of the
# other layers.
BBFILE_PRIORITY_openembedded-layer = "6"