set(ZIG_INSTALL_ARGS build ${ZIG_BUILD_ARGS} --prefix "${CMAKE_INSTALL_PREFIX}") execute_process( COMMAND "${ZIG_EXECUTABLE}" ${ZIG_INSTALL_ARGS} WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" RESULT_VARIABLE _result) if(_result) message("::") message(":: ERROR: ${_result}") message(":: (execute_process)") list(JOIN ZIG_INSTALL_ARGS " " s_INSTALL_LIBSTAGE2_ARGS) message("::") message(":: argv: ${ZIG_EXECUTABLE} ${s_INSTALL_LIBSTAGE2_ARGS}") set(_args ${ZIG_EXECUTABLE} ${ZIG_INSTALL_ARGS}) list(LENGTH _args _len) math(EXPR _len "${_len} - 1") message("::") foreach(_i RANGE 0 ${_len}) list(GET _args ${_i} _arg) message(":: argv[${_i}]: ${_arg}") endforeach() message("::") message(FATAL_ERROR) endif()