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linux-next/scripts/pahole-version.sh
Nathan Chancellor 613fe16923 kbuild: Add CONFIG_PAHOLE_VERSION
There are a few different places where pahole's version is turned into a
three digit form with the exact same command. Move this command into
scripts/pahole-version.sh to reduce the amount of duplication across the
tree.

Create CONFIG_PAHOLE_VERSION so the version code can be used in Kconfig
to enable and disable configuration options based on the pahole version,
which is already done in a couple of places.

Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20220201205624.652313-3-nathan@kernel.org
2022-02-02 11:19:33 +01:00

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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Usage: $ ./pahole-version.sh pahole
#
# Prints pahole's version in a 3-digit form, such as 119 for v1.19.
if [ ! -x "$(command -v "$@")" ]; then
echo 0
exit 1
fi
"$@" --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/'