first time digging into FILESPATH and .bbappend files, and i tested
the effect of setting something trivial to see what would happen:
FILESEXTRAPATHS_prepend := "rday"
did this for "netbase" in meta-ti layer, and checked the resulting
value of FILESPATH and (nicely formatted so you can read it), i got:
FILESPATH="rday/linux-gnueabi
rday/arm
rday/build-linux
rday/pn-netbase
rday/beagleboard
rday/omap3
rday/armv7a
rday/
rday/class-target
rday/forcevariable
rday/libc-glibc
rday/
/home/rpjday/OE/dist/layers/oe-core/meta/recipes-core/netbase/netbase-5.0/linux-gnueabi
/home/rpjday/OE/dist/layers/oe-core/meta/recipes-core/netbase/netbase-5.0/arm
/home/rpjday/OE/dist/layers/oe-core/meta/recipes-core/netbase/netbase-5.0/build-linux
/home/rpjday/OE/dist/layers/oe-core/meta/recipes-core/netbase/netbase-5.0/pn-netbase
... snip ...
that is totally *not* what i expected given the explanation of that
variable in the current docs (unless i've missed it). obviously,
FILESEXTRAPATHS doesn't just add individual directories to FILESPATH
-- it processes and adds based on OVERRIDES, which is fine but that's
not at all obvious.
in addition, there is absolutely no need to add a ":" to the value
as the processing adds that for you, so the many, many examples of
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
is potentially confusing to folks reading the code. (that trailing
":" doesn't hurt, but it has no value.)
at what point is this variable explained in detail?
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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