If I did that nearly nobody would be able to compile my program as cmake >= 3.1 is extremely rare on most distributions. Even ubuntu's PPA builder has some ancient version.
On Fri, Oct 16, 2015 at 9:44 AM, Petr Kmoch <petr.km...@gmail.com> wrote: > 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. 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