Hi Petr. You're using a feature (`CMAKE_CXX_STANDARD`) introduced in CMake version 3.1, so you should require a minimum version >= that.
You can learn the version of CMake by running `cmake --version` Petr On Thu, Oct 15, 2015 at 5:45 PM, Petr Bena <benap...@gmail.com> wrote: > What do you mean by "target" property? I don't see any target > mentioned there. I don't have this line in there. I don't know which > CMake this is, it failed on server we use for unit tests, but I have > required min. version set to 2.8.7 > > > > On Thu, Oct 15, 2015 at 5:41 PM, Matthew S Wallace > <mwall...@ccmtrading.com> wrote: > > 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 >
-- 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