On Mon, 2017-10-30 at 21:34 -0400, Aaron Boxer wrote: > > > On Sat, Oct 28, 2017 at 11:22 AM, P F <pful...@yahoo.com> wrote: > > > > > On Oct 28, 2017, at 9:50 AM, Aaron Boxer <boxe...@gmail.com> wrote: > > > > > > Hello, > > > > > > I have a cmake project on linux, and I would like to change the compiler > > > for certain files from g++ to another, llvm-based compiler called hcc. > > > (hcc is AMDs HIP compiler for GPGPU) > > > > > > > > > Is there a way of doing this in my cmake file ? > > > > There isn’t a simple way to do that. The FindCUDA and FindHIP cmake > > modules do that, but its not at all easy to follow, and brings its own set > > of issues. > > > > Of course, why do you need to use g++ to compile host code? Being clang- > > based hcc should be able to compile any g++ code. So you can just use hcc > > as the compiler for everything and then link with the `hccrt` cmake > > target(provided by `find_package(hcc)`) which will enable GPU compiling > > when you want to compile code for the device. > Yes, I just might do that. I didn't realize there was a find_package for > hcc.
Yes there is. If you are using AMD's repo from repo.radeon.com, then you will need to call it with: `find_package(hcc PATHS /opt/rocm/hcc)` as its not installed in the standard /usr location. > So, how would I set hcc as the compiler for everything ? I usually set it like this when I first run cmake: CXX=hcc 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
