blob: fa79e30a54a4ff9f2e3189f923bc16ded9adeafd [file] [log] [blame]
# SPDX-License-Identifier: Apache-2.0
#.rst:
# git.cmake
# ---------
# If the user didn't already define BUILD_VERSION then try to initialize
# it with the output of "git describe". Warn but don't error if
# everything fails and leave BUILD_VERSION undefined.
#
# See also: independent and more static ``KERNEL_VERSION_*`` in
# ``version.cmake`` and ``kernel_version.h``
# https://cmake.org/cmake/help/latest/module/FindGit.html
find_package(Git QUIET)
if(NOT DEFINED BUILD_VERSION AND GIT_FOUND)
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --abbrev=12 --always
WORKING_DIRECTORY ${ZEPHYR_BASE}
OUTPUT_VARIABLE BUILD_VERSION
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_STRIP_TRAILING_WHITESPACE
ERROR_VARIABLE stderr
RESULT_VARIABLE return_code
)
if(return_code)
message(STATUS "git describe failed: ${stderr}")
elseif(NOT "${stderr}" STREQUAL "")
message(STATUS "git describe warned: ${stderr}")
endif()
endif()