set(CMake_CXX14_CSTDIO_BROKEN 0) if(CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang" AND CMAKE_CXX14_STANDARD_COMPILE_OPTION) if(NOT DEFINED CMake_CXX14_CSTDIO_WORKS) message(STATUS "Checking if compiler supports C++14 cstdio") try_compile(CMake_CXX14_CSTDIO_WORKS ${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_LIST_DIR}/cm_cxx14_cstdio.cpp CMAKE_FLAGS -DCMAKE_CXX_STANDARD=14 OUTPUT_VARIABLE OUTPUT ) if(CMake_CXX14_CSTDIO_WORKS AND "${OUTPUT}" MATCHES "error: no member named.*gets.*in the global namespace") set_property(CACHE CMake_CXX14_CSTDIO_WORKS PROPERTY VALUE 0) endif() if(CMake_CXX14_CSTDIO_WORKS) message(STATUS "Checking if compiler supports C++14 cstdio - yes") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if compiler supports C++14 cstdio passed with the following output:\n" "${OUTPUT}\n" "\n" ) else() message(STATUS "Checking if compiler supports C++14 cstdio - no") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if compiler supports C++14 cstdio failed with the following output:\n" "${OUTPUT}\n" "\n" ) endif() endif() if(NOT CMake_CXX14_CSTDIO_WORKS) set(CMake_CXX14_CSTDIO_BROKEN 1) endif() endif()