The way Eric suggest with check_language is what I use when I want to conditionally support CUDA.
On Tue, Aug 28, 2018 at 10:28 AM Eric Noulard <eric.noul...@gmail.com> wrote: > > > Le mar. 28 août 2018 à 19:07, Quang Ha <quang.t.ha...@gmail.com> a écrit : > >> Hi all, >> >> So this question is again about project(foo LANGUAGES CXX CUDA). Is it >> possible to switch off CUDA if Cmake couldn't find CUDA compiler? I.e. >> something along the line: >> > > May be you can only: > > project(foo LANGUAGES CXX) > > then > > include(CheckLanguage) > check_language(CUDA) > if(CMAKE_CUDA_COMPILER) > enable_language(CUDA) > else() > message(STATUS "No CUDA compiler found") > endif() > > see doc: > https://cmake.org/cmake/help/latest/module/CheckLanguage.html > > > Eric > > >> if (CUDA_FOUND) >> set_language_to_CUDA_and_CXX >> else(CUDA_FOUND) >> set_language_to_CXX_only >> endif(CUDA_FOUND) >> >> The main reason is I don't want CMake to fail when CUDA compiler isn't >> available. Rather, it should continue to compile the source files using CPP >> compilers instead. >> >> Thanks, >> Quang >> -- >> >> 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: >> https://cmake.org/mailman/listinfo/cmake >> > > > -- > Eric > -- > > 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: > https://cmake.org/mailman/listinfo/cmake >
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