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5573b4daa2
When there is a missing input file (vmlinux.o or Module.symvers), you are likely to get a ton of unresolved symbols. Currently, Kbuild automatically adds the -w option to allow module builds to continue with warnings instead of errors. This may not be what the user expects because it is generally more useful to catch all possible issues at build time instead of at run time. Let's not do what the user did not ask. If you still want to build modules anyway, you can proceed by explicitly setting KBUILD_MODPOST_WARN=1. Since you may miss a real issue, you need to be aware of what you are doing. Suggested-by: William McVicker <willmcvicker@google.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Tested-by: Will McVicker <willmcvicker@google.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.