11.09.2017, 17:59, "Mateusz Loskot" <mate...@loskot.net>: > Hi, > > I'm building a project with CMake 3.9 using clang-cl.exe driver [1] > from LLVM/clang 4.0 enabled with Visual Studio 2015 environment. > > CMake detects the compiler as Clang 4.0.0: > > -- The C compiler identification is Clang 4.0.0 > -- The CXX compiler identification is Clang 4.0.0 > -- Check for working C compiler: C:/Program Files/LLVM/bin/clang-cl.exe > -- Check for working C compiler: C:/Program Files/LLVM/bin/clang-cl.exe -- > works > > and my project builds fine. > > In my CMakeLists.txt, there is this flags update: > > if(MSVC) > set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") > endif() > > and in build log I see: > > clang-cl.exe: warning: argument unused during compilation: '/MP' > > I have double-checked and MSVC is defined and set True for clang-cl.exe. > > Is this correct?
Yes. clang-cl is mostly compatible with MSVC on the command line, so it's natural that MSVC code in existing projects is applied to clang-cl too. > Is clang-cl.exe driver considered to be "when using Microsoft Visual C++" [2] > > [1] https://clang.llvm.org/docs/UsersManual.html#clang-cl > [2] https://cmake.org/cmake/help/v3.9/variable/MSVC.html > > Best regards, > -- > Mateusz Loskot, http://mateusz.loskot.net > -- > > 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 -- Regards, Konstantin -- 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