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31f8b8295b
The trap on EXIT is used to clean up any temporary directory left by the build attempts. It is not needed when the user simply calls the script with its --help option, and may not be needed either if we add checks (e.g. on the availability of bpftool files) before the build attempts. Let's move this trap and related variables lower down in the code, so that we don't accidentally change the value returned from the script on early exits at pre-checks. Signed-off-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Link: https://lore.kernel.org/bpf/20191119105010.19189-2-quentin.monnet@netronome.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.