Bruce,
It's an honor to get help from the author himself!
I'm starting to understand why they have this:
do_configure_prepend() {
cp "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" "${B}/.config" || bbfatal
"CONFIG ${KBUILD_DEFCONFIG} NOT FOUND"
}
Since do_kernel_configme() creates the .config file in
https://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/kernel-yocto.bbclass?h=dunfell#n399
(I can't figure out why it fails to merge in our defconfig)
Then the ${WORKDIR}/defconfig is not used by kernel_do_configure()
https://git.yoctoproject.org/cgit/cgit.cgi/poky/tree/meta/classes/kernel.bbclass#n595
So they do the copy of defconfig in do_configure_prepend().
Anyway, do_kernel_configme() has already been run hence no CONFIG_LOCALVERSION
is written to .config
I could just do this:
do_configure_prepend() {
cp "${S}/arch/${ARCH}/configs/${KBUILD_DEFCONFIG}" "${B}/.config" || bbfatal
"CONFIG ${KBUILD_DEFCONFIG} NOT FOUND"
echo "CONFIG_LOCALVERSION=\"${LINUX_VERSION_EXTENSION}\"" >> "${B}/.config"
}
BUT
Your hint make me notice that they did: KCONFIG_MODE="--allnoconfig" which
breaks the config merging.
After changing it to alldefconfig and removing do_configure_prepend it all
works!
Thank you!
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