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4dbe239ff4
In a similar manner to the kernel itself, which does the following to
bring a defconfig into the configuration:
defconfig: $(obj)/conf
ifeq ($(KBUILD_DEFCONFIG),)
$< --defconfig $(Kconfig)
else
@echo "*** Default configuration is based on '$(KBUILD_DEFCONFIG)'"
$(Q)$< --defconfig=arch/$(SRCARCH)/configs/$(KBUILD_DEFCONFIG) $(Kconfig)
endif
We do the same with the linux-yocto configuration processing. If a
defconfig is specified via the KBUILD_DEFCONFIG variable, we copy it
from the source tree, into a common location and normalized "defconfig"
name, where the rest of the process will include and incorporate it
into the configuration process.
If the fetcher has already placed a defconfig in WORKDIR (from the
SRC_URI), we don't overwrite it, but instead warn the user that SRC_URI
defconfigs take precedence.
[YOCTO: #7474]
(From OE-Core rev: 5f5595eebeb81be7e824d998228e4ef9f0bfac7d)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>