separate_arguments(<variable> <mode> [PROGRAM [SEPARATE_ARGS]] <args>)
separate_arguments(<variable> <mode> [PROGRAM [SEPARATE_ARGS]] <args>)
separate_arguments(ARGS NATIVE_COMMAND PROGRAM SEPARATE_ARGS "${CMD${CMD_IDX}}")
separate_arguments(PKG_CONFIG_FROM_ENV_SPLIT NATIVE_COMMAND PROGRAM SEPARATE_ARGS "$ENV{PKG_CONFIG}")