set(output_file ${CMAKE_BINARY_DIR}/include/cmlib_git_version.hpp)
if(CMLIB_GENERATED_HEADERS_PATH)
  set(output_file ${CMLIB_GENERATED_HEADERS_PATH}/cmlib_git_version.hpp)
elseif(ARGV0)
  set(output_file ${ARGV0})
endif()

add_custom_target(git-version ALL ${CMAKE_COMMAND}
  -DCMLIB_PROJECT_NAME_UPPER=${CMLIB_PROJECT_NAME_UPPER}
  -DCMLIB_MODULE_DIR=${CMLIB_MODULE_DIR}
  -DCMLIB_GIT_VERSION_FILE=${output_file} -P ${CMLIB_MODULE_DIR}/CMLibGitVersion.cmake
  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR})

unset(output_file)