lysnikolaou commented on code in PR #43606: URL: https://github.com/apache/arrow/pull/43606#discussion_r1709257954
########## cpp/cmake_modules/UseCython.cmake: ########## @@ -184,4 +184,24 @@ function(cython_add_module _name pyx_target_name generated_files) add_dependencies(${_name} ${pyx_target_name}) endfunction() +execute_process(COMMAND ${PYTHON_EXECUTABLE} -m cython --version + OUTPUT_VARIABLE CYTHON_version_output + ERROR_VARIABLE CYTHON_version_error + RESULT_VARIABLE CYTHON_version_result + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_STRIP_TRAILING_WHITESPACE) +if(NOT ${CYTHON_version_result} EQUAL 0) + set(_error_msg "Command \"${PYTHON_EXECUTABLE} -m cython --version\" failed with") + set(_error_msg "${_error_msg} output:\n${CYTHON_version_error}") + message(SEND_ERROR "${_error_msg}") +else() + if("${CYTHON_version_output}" MATCHES "^[Cc]ython version ([^,]+)") + set(CYTHON_VERSION "${CMAKE_MATCH_1}") + else() + if("${CYTHON_version_error}" MATCHES "^[Cc]ython version ([^,]+)") + set(CYTHON_VERSION "${CMAKE_MATCH_1}") + endif() + endif() +endif() Review Comment: Thanks for the suggestion @kou! I'm leaving this conversation unresolved due to @pitrou's comment. It makes sense to me to error out if we fail to parse. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org