Trakker/GenerateVersionHeader.cmake

23 lines
844 B
CMake
Raw Normal View History

2023-09-13 23:14:31 -04:00
if(GIT_EXECUTABLE)
get_filename_component(SRC_DIR ${SRC} DIRECTORY)
# Generate a git-describe version string from Git repository tags
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --tags --always
WORKING_DIRECTORY ${SRC_DIR}
OUTPUT_VARIABLE GIT_DESCRIBE_VERSION
RESULT_VARIABLE GIT_DESCRIBE_ERROR_CODE
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT GIT_DESCRIBE_ERROR_CODE)
set(TRAKKER_VERSION ${GIT_DESCRIBE_VERSION})
endif()
endif()
# Final fallback: Just use a bogus version string that is semantically older
# than anything else and spit out a warning to the developer.
if(NOT DEFINED TRAKKER_VERSION)
set(TRAKKER_VERSION v0.0.0-unknown)
message(WARNING "Failed to determine TRAKKER_VERSION from Git tags. Using default version \"${TRAKKER_VERSION}\".")
endif()
configure_file(${SRC} ${DST} @ONLY)