Hello!
I stumbled across the new 3.8+ CUDA as a language capabilities, and am very
excited about this!
1. Does anybody know when CMAKE_CUDA_COMPILER_ID and
CMAKE_CUDA_COMPILER_VERSION were fixed?
With cmake 3.9.4 some of the cuda compiler variables were unset:
message("CXX compiler stuff:")
message(STATUS "CMAKE_CXX_COMPILER: ${CMAKE_CXX_COMPILER}")
message(STATUS "CMAKE_CXX_COMPILER_ID: ${CMAKE_CXX_COMPILER_ID}")
message(STATUS "CMAKE_CXX_COMPILER_VERSION: ${CMAKE_CXX_COMPILER_VERSION}")
message("CUDA compiler stuff:")
message(STATUS "CMAKE_CUDA_COMPILER: ${CMAKE_CUDA_COMPILER}")
message(STATUS "CMAKE_CUDA_COMPILER_ID: ${CMAKE_CUDA_COMPILER_ID}")
message(STATUS "CMAKE_CUDA_COMPILER_VERSION: ${CMAKE_CUDA_COMPILER_VERSION}")
message(FATAL_ERROR "bye bye")
CMAKE_CUDA_COMPILER was set, but COMPILER_ID and COMPILER_VERSION were not. I
just updated to 3.10.2 and they were giving values I would expect. I dug
around under the diffs on Modules but got really turned around.
I would like to set my minimum required version to whenever this was
introduced, as I would like to wield it.
2. Is there any existing work / discussion on the new world order (CUDA as a
full-fledged language) and Clang? I noticed that the following happens:
if(CMAKE_CUDA_COMPILER_ID)
include(Compiler/${CMAKE_CUDA_COMPILER_ID}-CUDA OPTIONAL)
endif()
leaving room for a Compiler/Clang-CUDA.cmake to be created. Is there an
eventual goal to write this? I think I can maybe help get a prototype working
if that was the goal for this setup.
3. Supposing CMake + Clang + CUDA was working, the working assumption would be
that a user sets CUDACXX to clang++, right? I’m trying to understand if Clang
as a cuda compiler already works and I have bad local configurations, or if
they are needing to be written.
Thanks for any thoughts!
-Stephen
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