again, reading the poky ref manual over at yocto, and here's the
explanation of EXTRA_IMAGE_FEATURES:
"Allows extra packages to be added to the generated images. You set
this variable in the local.conf configuration file. Note that some
image features are also added using the IMAGE_FEATURES variable
generally configured in image recipes. You can use this variable to
add more features in addition to those."
now that *sounds* like you would just *assign* that in your
local.conf file to add some features, as in:
EXTRA_IMAGE_FEATURES = "fubar snafu"
or something similar.
but first, how is that different from:
IMAGE_FEATURES += "fubar snafu"
after all, bitbake.conf contains:
IMAGE_FEATURES += "${EXTRA_IMAGE_FEATURES}"
also, i notice this in core-image-rt-sdk.bb:
IMAGE_FEATURES += "dev-pkgs tools-sdk"
EXTRA_IMAGE_FEATURES += "tools-debug tools-profile tools-testapps debug-tweaks"
what is the point of those features being broken over those two
variables? and wouldn't that cause trouble if someone starts with a
base of core-image-rt-sdk, then *assigns* to EXTRA_IMAGE_FEATURES in
their local.conf, would that not override that setting in the .bb
file? isn't that a bit confusing?
rday
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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