On Fri, 28 May 2021, Quentin Schulz wrote:
... big snip ...
> ${B} = ${S} by default, so that might explain why it works without
> externalsrc being inherited.
>
> You can see in the makefile that this is assumed. Only the install tasks
> are installing somewhere else (DESTDIR), c.f.
> https://git.savannah.nongnu.org/cgit/dmidecode.git/tree/Makefile
>
> So yes, except if you patch the Makefile to support out-of-tree build,
> you would need both EXTERNALSRC and EXTERNALSRC_BUILD set to the same
> value.
>
> Maybe a Cmake example would suit better since B is set to "${WORKDIR}/build"
> by default?
>
> Otherwise, write a proper Makefile that allows out-of-tree builds for
> the example :)
in the end, i suspect i was overthinking it, thinking somehow there
was some magic to "externalsrc", only to finally realize it was
totally inappropriate for source that had to be built in-tree. so i
just switched over to using SRC_URI and, for various recipes like
dmidecode, i created a recipe that started with some variation of:
LICENSE = "CLOSED"
LIC_FILES_CHKSUM = ""
FILESEXTRAPATHS_prepend := "${THISDIR}:"
SRC_URI := "file://src"
S = "${WORKDIR}/src"
then just unpacked and copied the source to a directory named "src"
right next to the corresponding recipe. yes, it's goofy, but it's for
demonstration purposes only, and seems to do what i want.
lots of noise for a very simple solution in the end. isn't that just
the way it goes?
rday
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