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Clean up CUDA CMake files.

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- Unify test/CMakeLists.txt and unsupported/test/CMakeLists.txt
- Added `EIGEN_CUDA_FLAGS` that are appended to the set of flags passed
to the cuda compiler (nvcc or clang).

The latter is to support passing custom flags (e.g. `-arch=` to nvcc,
or to disable cuda-specific warnings).
This commit is contained in:
Antonio Sanchez
2021-09-24 14:43:59 -07:00
parent e9e90892fe
commit 7b00e8b186
3 changed files with 30 additions and 39 deletions
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30
unsupported/test/CMakeLists.txt
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@@ -284,8 +284,7 @@ if(EIGEN_TEST_CXX11)
endif()
# These tests needs nvcc
find_package(CUDA 7.0)
find_package(CUDA 9.0)
if(CUDA_FOUND AND EIGEN_TEST_CUDA)
# Make sure to compile without the -pedantic, -Wundef, -Wnon-virtual-dtor
# and -fno-check-new flags since they trigger thousands of compilation warnings
@@ -295,29 +294,22 @@ if(CUDA_FOUND AND EIGEN_TEST_CUDA)
string(REPLACE "-Wnon-virtual-dtor" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
string(REPLACE "-fno-check-new" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
message(STATUS "Flags used to compile cuda code: " ${CMAKE_CXX_FLAGS})
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CUDA_NVCC_FLAGS "-ccbin ${CMAKE_C_COMPILER}" CACHE STRING "nvcc flags" FORCE)
endif()
if(EIGEN_TEST_CUDA_CLANG)
string(APPEND CMAKE_CXX_FLAGS " --cuda-path=${CUDA_TOOLKIT_ROOT_DIR}")
foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
string(APPEND CMAKE_CXX_FLAGS " --cuda-gpu-arch=sm_${ARCH}")
endforeach()
string(APPEND CMAKE_CXX_FLAGS "${EIGEN_CUDA_FLAGS}")
else()
set(CUDA_PROPAGATE_HOST_FLAGS OFF)
set(NVCC_ARCH_FLAGS)
foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
string(APPEND NVCC_ARCH_FLAGS " -gencode arch=compute_${ARCH},code=sm_${ARCH}")
endforeach()
set(CUDA_NVCC_FLAGS "--expt-relaxed-constexpr -Xcudafe \"--display_error_number\" ${NVCC_ARCH_FLAGS} ${CUDA_NVCC_FLAGS} ${EIGEN_CUDA_FLAGS}")
cuda_include_directories("${CMAKE_CURRENT_BINARY_DIR}" "${CUDA_TOOLKIT_ROOT_DIR}/include")
endif()
set(EIGEN_CUDA_RELAXED_CONSTEXPR "--expt-relaxed-constexpr")
if (${CUDA_VERSION} STREQUAL "7.0")
set(EIGEN_CUDA_RELAXED_CONSTEXPR "--relaxed-constexpr")
endif()
set(NVCC_ARCH_FLAGS)
foreach(ARCH IN LISTS EIGEN_CUDA_COMPUTE_ARCH)
string(APPEND NVCC_ARCH_FLAGS " -gencode arch=compute_${ARCH},code=sm_${ARCH}")
endforeach()
set(CUDA_NVCC_FLAGS "${EIGEN_CUDA_RELAXED_CONSTEXPR} -Xcudafe \"--display_error_number\" ${NVCC_ARCH_FLAGS} ${CUDA_NVCC_FLAGS}")
cuda_include_directories("${CMAKE_CURRENT_BINARY_DIR}" "${CUDA_TOOLKIT_ROOT_DIR}/include")
set(EIGEN_ADD_TEST_FILENAME_EXTENSION "cu")
ei_add_test(cxx11_tensor_complex_gpu)