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608c3b1e61
Explicitly reset 'subdir' variable when descending to
tools/perf/Documentation. Similar to commit f89fb55714b62 ("perf build:
Don't propagate subdir to submakes for install_headers", 2023-01-02),
calling the 'tools/perf_install' target via top-levels Makefile results
in repeated subdir components when attempting to call the perf
documentation installation rules:
$ make tools/perf_install NO_LIBTRACEEVENT=1 JOBS=1
[...]
/bin/sh: 1: cd: can't cd to /data/linux/kbuild/tools/perf/tools/perf/
../../scripts/Makefile.include:17: *** output directory "/data/linux/kbuild/tools/perf/tools/perf/" does not exist. Stop.
make[5]: *** [Makefile.perf:1096: try-install-man] Error 2
make[4]: *** [Makefile.perf:264: sub-make] Error 2
make[3]: *** [Makefile:113: install] Error 2
make[2]: *** [Makefile:131: perf_install] Error 2
Resetting 'subdir' fixes the call from top-level Makefile.
Reported-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Nicolas Schier <n.schier@avm.de>
Acked-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Tested-by: Uwe Kleine-König <u.kleine-koenig@baylibre.com>
Link: https://lore.kernel.org/r/20240523-make-tools-perf-install-v1-1-3903499e637f@avm.de
Signed-off-by: Namhyung Kim <namhyung@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 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.