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21be9e477f
When building the kselftests out-of-tree, e.g. ... | make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- \ | O=/tmp/kselftest headers | make ARCH=riscv CROSS_COMPILE=riscv64-linux-gnu- \ | O=/tmp/kselftest HOSTCC=gcc FORMAT= \ | SKIP_TARGETS="arm64 ia64 powerpc sparc64 x86 sgx" \ | -C tools/testing/selftests gen_tar ... the kselftest build would not pick up the correct GENDIR path, and therefore not including autoconf.h. Correct that by taking $(O) into consideration when figuring out the GENDIR path. Signed-off-by: Björn Töpel <bjorn@rivosinc.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20230705113926.751791-3-bjorn@kernel.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.