# Distributed under the OSI-approved BSD 3-Clause License. See accompanying # file Copyright.txt or https://cmake.org/licensing for details. #.rst: # TestForSTDNamespace # ------------------- # # Test for std:: namespace support # # check if the compiler supports std:: on stl classes # # :: # # CMAKE_NO_STD_NAMESPACE - defined by the results if(NOT DEFINED CMAKE_STD_NAMESPACE) message(STATUS "Check for STD namespace") try_compile(CMAKE_STD_NAMESPACE ${CMAKE_BINARY_DIR} ${CMAKE_ROOT}/Modules/TestForSTDNamespace.cxx OUTPUT_VARIABLE OUTPUT) if (CMAKE_STD_NAMESPACE) message(STATUS "Check for STD namespace - found") set (CMAKE_NO_STD_NAMESPACE 0 CACHE INTERNAL "Does the compiler support std::.") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log "Determining if the CXX compiler has std namespace passed with " "the following output:\n${OUTPUT}\n\n") else () message(STATUS "Check for STD namespace - not found") set (CMAKE_NO_STD_NAMESPACE 1 CACHE INTERNAL "Does the compiler support std::.") file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log "Determining if the CXX compiler has std namespace failed with " "the following output:\n${OUTPUT}\n\n") endif () endif()