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#!/bin/sh
# SPDX-License-Identifier: (GPL-2.0-only OR LGPL-2.1-only)
# SPDX-FileCopyrightText: 2016-2021 EfficiOS Inc.
# First argument is the path to the kernel headers.
KPATH=$1
if [ ! -f "${KPATH}/include/generated/autoconf.h" ]; then
echo 0
exit 0
fi
# Check if we are building against a Suse kernel
SUSE_KERNEL="$(sed -rn 's/^#define CONFIG_SUSE_KERNEL (.*)/\1/p' "${KPATH}/include/generated/autoconf.h")"
if [ "$SUSE_KERNEL" != "1" ]; then
echo 0
exit 0
fi
if [ ! -f "${KPATH}/include/generated/utsrelease.h" ]; then
echo 0
exit 0
fi
SLE_RELEASE="$(sed -rn 's/^#define UTS_RELEASE "(.*)-([0-9a-zA-Z\.]+)-(.*)"/\2/p' "${KPATH}/include/generated/utsrelease.h")"
SLE_RELEASE_MAJOR="$(echo "${SLE_RELEASE}" | sed -rn 's/^([0-9]+)(.*)$/\1/p')"
SLE_RELEASE_MINOR="$(echo "${SLE_RELEASE}" | sed -rn 's/^([0-9]+)\.([0-9]+)(.*)$/\2/p')"
SLE_RELEASE_PATCH="$(echo "${SLE_RELEASE}" | sed -rn 's/^([0-9]+)\.([0-9]+)\.([0-9]+)(.*)$/\3/p')"
# Minor and patch versions can be omitted
if [ "x$SLE_RELEASE_MINOR" = "x" ]; then
SLE_RELEASE_MINOR=0
fi
if [ "x$SLE_RELEASE_PATCH" = "x" ]; then
SLE_RELEASE_PATCH=0
fi
echo "${SLE_RELEASE_MAJOR} ${SLE_RELEASE_MINOR} ${SLE_RELEASE_PATCH}"
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