Hi Quang,
I believe this should be doable with setting the source file's LANGUAGE
property ( https://cmake.org/cmake/help/latest/prop_sf/LANGUAGE.html ):
add_executable(foo_cuda foo.cpp)
set_property(SOURCE foo.cpp PROPERTY LANGUAGE CUDA)
Petr
On Mon, 27 Aug 2018 at 17:40, Quang Ha wrote:
> Hi all,
>
> With the new way CMake is treating CUDA codes, now we can do:
>
> project(foo LANGUAGES CXX CUDA)
>
> and can do:
>
> add_executable(foo_cuda foo.cu) # will use NVCC
> add_executable(foo_cpp foo.cpp) # will use host compilers
>
> Now since CUDA can take *.cpp files as extension (see
> https://stackoverflow.com/questions/26208784/cuda-cpp-files), is there a
> away to flip the compiler using one single source files? Something along
> the line of:
>
> if(CUDA_FOUND)
> add_executable_with_nvcc(foo_cuda foo.cpp) # of course this doesn't exist
> else(CUDA_FOUND)
> add_executable_with_cpp(foo_cpp foo.cpp) # neither does this
> endif(CUDA_FOUND)
>
> Or would anyone suggest a work-around? With the help of add_definitions, I
> can manually compile a host and device executable - just need to integrate
> this final step into the project.
>
> Thanks,
> Quang
>
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