coreboot-kgpe-d16/util/scripts/find-unused-kconfig-symbols.sh
Patrick Georgi 3270369986 util/scripts: add some support scripts
These scripts were bit-rotting on my box and may be useful for somebody else.

no-fsf-addresses.sh removes various FSF addresses from license headers

find-unused-kconfig-symbols.sh points out Kconfig variables that may be
unused. There are some false positives, but it serves as a starting point.

Change-Id: I8ddb5bea5fe87d39eed5f39f32077944b37d0665
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10675
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
2015-06-30 08:24:38 +02:00

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#!/bin/sh
# Copyright (c) 2015 Google Inc.
#
# Permission to use, copy, modify, and/or distribute this software for
# any purpose with or without fee is hereby granted, provided that the
# above copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
# WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# FIXME/NOTE: some false positives in dmp/vortex86ex
KCONFIG_FILE_LIST=$(git ls-files |grep "/Kconfig$")
for i in $(git grep -h "^config " $KCONFIG_FILE_LIST |cut -d' ' -f2 |sort -u); do
git grep -q "CONFIG_$i" || \
git grep -Eq "(depends on |select |default ).*$i" $KCONFIG_FILE_LIST || \
echo $i not found
done | cat