What version of CMake are you using? I’m using 3.3.2. The only other thing I did was:
set_property(GLOBAL PROPERTY CXX_STANDARD_REQUIRED) I’m guessing this probably does nothing since it is probably a target property. -Matt > On Oct 15, 2015, at 10:34 AM, Petr Bena <benap...@gmail.com> wrote: > > Can you elaborate on it a bit? > > I put set(CMAKE_CXX_STANDARD 11) as first line of my CMakeLists and it > still doesn't work, without the hack I used I get errors while > compiling. > > Can you give me example file in which it works? I guess there is more > needed for it to work. > > On Tue, Oct 13, 2015 at 7:12 PM, Matthew S Wallace > <mwall...@ccmtrading.com> wrote: >> Thanks, setting the global variable solved my issue. >> >> -Matt >> >>> On Oct 13, 2015, at 10:46 AM, Johannes Zarl-Zierl >>> <johannes.zarl-zi...@jku.at> wrote: >>> >>> Hi, >>> >>> CXX_STANDARD is a target property, not a global one. You can either set >>> CXX_STANDARD for every target that needs it, or set it globally by changing >>> the default value. >>> >>> You can do the latter by setting the variable CMAKE_CXX_STANDARD before >>> defining any target that depends on it: >>> >>> set(CMAKE_CXX_STANDARD 11) >>> >>> HTH, >>> Johannes >>> >>> On Tuesday 13 October 2015 10:22:36 Matthew S Wallace wrote: >>>> I have the following two lines in my CMakeLists.txt >>>> >>>> set_property(GLOBAL PROPERTY CXX_STANDARD 11) >>>> set_property(GLOBAL PROPERTY CXX_STANDARD_REQUIRED) >>>> >>>> However when compiling some of my source files, the -std=c++11 flag is not >>>> added. >>>> >>>> Just for good measure I added: >>>> target_compile_features(my_target PRIVATE cxx_strong_enums) to the target >>>> that was having the problem. >>>> >>>> Not sure if it matters, but in this case the compile error I’m getting is >>>> complaining because I’m referencing a fully scoped enum. If I explicitly >>>> include -std=c++11 in my compile flags, everything works. >>>> >>>> I’m thinking I’m probably just misunderstanding how CXX_STANDARD works, but >>>> any help would be appreciated. >>>> >>>> -Matt >>> >>> -- >>> >>> 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 >> >> -- >> >> 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 -- 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
