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# SPDX-License-Identifier: GPL-2.0
#
# CMake macros to get version numbers
# Copyright (C) 2020 Manuel Bentele <development@manuel-bentele.de>
#
# macro to get Linux kernel version from KERNEL_BUILD_DIR
macro(get_kernel_version LINUX_KERNEL_VERSION KERNEL_BUILD_DIR)
string(REGEX MATCH "[0-9]+.[0-9]+.[0-9]+" LINUX_KERNEL_VERSION ${KERNEL_BUILD_DIR})
endmacro(get_kernel_version)
# macro to get short hash of latest commit
macro(get_repository_version REPOSITORY_VERSION)
execute_process(COMMAND git rev-parse --short HEAD
OUTPUT_VARIABLE SHORT_HASH_RESULT
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX MATCH "[0-9a-fA-F]+" REPOSITORY_VERSION ${SHORT_HASH_RESULT})
endmacro(get_repository_version)
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