[yocto] couple questions about kernel dev manual, section 2
Robert P. J. Day
rpjday at crashcourse.ca
Sat Apr 13 08:20:15 PDT 2013
some oddities in section 2.2.1 of the current kernel dev manual.
first, there's:
"The append file should initially contain the following text:
FILESEXTRAPATHS := "${THISDIR}/${PN}"
i was under the impression that the standard line would be:
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
would it not? to make sure you can support potential layers on top of
layers, no? if you absolutely *know* that won't happen, then, sure,
that will work, but i think the wording above is unnecessarily
restrictive.
also, right underneath that, one reads:
"If you add any new files that modify the kernel recipe, you need to
place them in your layer in the following area:
<your-layer>/recipes-kernel/linux/linux-yocto/"
IIRC, you *can* put them there but you don't *need* to. in fact, tom
zanussi's kernel labs place extra files simply under a "files/"
subdirectory (after setting FILESEXTRAPATHS to pick up that
directory). so, again, some wording that is unnecessarily strong and
somewhat misleading.
thoughts?
rday
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
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