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33e84f2e79659e410c379b530dac57779f201d15
Currently, Kbuild treats an object as multi-used when any of $(foo-objs), $(foo-y), $(foo-m) is set. It makes more sense to check $(foo-) as well. In the context of foo-$(CONFIG_FOO_FEATURE1), CONFIG_FOO_FEATURE1 could be unset. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
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.
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