You generally shouldn't set CMAKE_CXX_STANDARD on its own, you should also be explicitly setting CMAKE_CXX_STANDARD_REQUIRED and CMAKE_CXX_EXTENSIONS to ensure you are getting the behaviour you want. These would also typically be set by the project's own CMakeLists.txt file rather than being passed on the cmake command line as cache variables. You may find the following article helpful:
https://crascit.com/2015/03/28/enabling-cxx11-in-cmake/ On Fri, Apr 21, 2017 at 8:57 AM, Alex Chen <alex_c...@filemaker.com> wrote: > I tried to set the compiler flag –std=c++14 via cmake command line on > Linux with –DCMAKE_CXX_STANDARD=14. The message from ‘make’ shows > *-std=c++11 > –std=gnu++14* > > If I do not set that flag, I get *-std=c++11. *This seem to imply the > CMAKE_CXX_STANDARD flag sets *gnu++* instead of *c++. *How do I set the > flag –std=c++14 then? > > > > Alex Chen > > -- > > Powered by www.kitware.com > > Please keep messages on-topic and check the CMake FAQ at: > http://www.cmake.org/Wiki/CMake_FAQ > > Kitware offers various services to support the CMake community. For more > information on each offering, please visit: > > CMake Support: http://cmake.org/cmake/help/support.html > CMake Consulting: http://cmake.org/cmake/help/consulting.html > CMake Training Courses: http://cmake.org/cmake/help/training.html > > Visit other Kitware open-source projects at http://www.kitware.com/ > opensource/opensource.html > > Follow this link to subscribe/unsubscribe: > http://public.kitware.com/mailman/listinfo/cmake > -- Craig Scott Melbourne, Australia https://crascit.com
-- Powered by www.kitware.com Please keep messages on-topic and check the CMake FAQ at: http://www.cmake.org/Wiki/CMake_FAQ Kitware offers various services to support the CMake community. For more information on each offering, please visit: CMake Support: http://cmake.org/cmake/help/support.html CMake Consulting: http://cmake.org/cmake/help/consulting.html CMake Training Courses: http://cmake.org/cmake/help/training.html Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Follow this link to subscribe/unsubscribe: http://public.kitware.com/mailman/listinfo/cmake
