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Andre Przywara a2aa5dcc63 kselftest/arm64: signal: drop now redundant GNU_SOURCE definition
The definition of GNU_SOURCE was recently centralised in an upper layer
kselftest Makefile, so the definition in the arm64 signal tests Makefile
is no longer needed. To make things worse, since both definitions are
not strictly identical, the compiler warns about it:
<command-line>: warning: "_GNU_SOURCE" redefined
<command-line>: note: this is the location of the previous definition

Drop the definition in the arm64/signal Makefile.

Fixes: cc937dad85 ("selftests: centralize -D_GNU_SOURCE= to CFLAGS in lib.mk")
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20240816153251.2833702-2-andre.przywara@arm.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
History 2024-10-17 18:51:49 +01:00
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README

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 reStructuredText 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.