# Copyright (c) 2023-2025 Arm Limited.

#

# SPDX-License-Identifier: MIT

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to

# deal in the Software without restriction, including without limitation the

# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

# sell copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in all

# copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

# SOFTWARE.

find_package(Git)

if(GIT_FOUND)

execute_process(

COMMAND ${GIT_EXECUTABLE} rev-parse HEAD

WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}

RESULT_VARIABLE RESULT

OUTPUT_VARIABLE ACL_VERSION_SHA

OUTPUT_STRIP_TRAILING_WHITESPACE)

endif()

if(NOT GIT_FOUND OR RESULT)

set(ACL_VERSION_HASH "Unknown")

endif()

file(WRITE "${PROJECT_SOURCE_DIR}/arm_compute_version.embed.tmp" "\"${ACL_VERSION_SHA}\"")

execute_process(

COMMAND ${CMAKE_COMMAND} -E compare_files

${PROJECT_SOURCE_DIR}/arm_compute_version.embed

${PROJECT_SOURCE_DIR}/arm_compute_version.embed.tmp

RESULT_VARIABLE is_same

)

if(is_same EQUAL 0)

file(REMOVE ${PROJECT_SOURCE_DIR}/arm_compute_version.embed.tmp)

else()

file(RENAME ${PROJECT_SOURCE_DIR}/arm_compute_version.embed.tmp ${PROJECT_SOURCE_DIR}/arm_compute_version.embed)

endif()