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02826a6ba3
Ard Biesheuvel reports bindeb-pkg with O= option is broken in the
following way:
...
LD [M] sound/soc/rockchip/snd-soc-rk3399-gru-sound.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-pcm.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-rt5645.ko
LD [M] sound/soc/rockchip/snd-soc-rockchip-spdif.ko
LD [M] sound/soc/sh/rcar/snd-soc-rcar.ko
fakeroot -u debian/rules binary
make KERNELRELEASE=4.19.0-12677-g19beffaf7a99-dirty ARCH=arm64 KBUILD_SRC= intdeb-pkg
/bin/bash /home/ard/linux/scripts/package/builddeb
Makefile:600: include/config/auto.conf: No such file or directory
***
*** Configuration file ".config" not found!
***
*** Please run some configurator (e.g. "make oldconfig" or
*** "make menuconfig" or "make xconfig").
***
make[12]: *** [syncconfig] Error 1
make[11]: *** [syncconfig] Error 2
make[10]: *** [include/config/auto.conf] Error 2
make[9]: *** [__sub-make] Error 2
...
Prior to commit 80463f1b7b ("kbuild: add --include-dir flag only
for out-of-tree build"), both srctree and objtree were added to
--include-dir redundantly, and the wrong code '$MAKE image_name'
was working by relying on that. Now, the potential issue that had
previously been hidden just showed up.
'$MAKE image_name' recurses to the generated $(objtree)/Makefile and
ends up with running in srctree, which is incorrect. It should be
invoked with '-f $srctree/Makefile' (or KBUILD_SRC=) to be executed
in objtree.
Fixes: 80463f1b7b ("kbuild: add --include-dir flag only for out-of-tree build")
Reported-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.