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Tests: Fix testing CMAKE_CUDA_ARCHITECTURES=OFF with Clang

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Clang does not automatically choose an architecture supported
by the SDK.  The `OFF` value is meant for users to provide their
own architecture flags, so provide one as part of the test.
This commit is contained in:
Brad King
2022-03-10 06:57:12 -05:00
parent 2a79b647fa
commit 7024596a26
2 changed files with 18 additions and 0 deletions
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13
Tests/RunCMake/CUDA_architectures/RunCMakeTest.cmake
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@@ -4,5 +4,18 @@ run_cmake(architectures-all)
run_cmake(architectures-all-major)
run_cmake(architectures-empty)
run_cmake(architectures-invalid)
run_cmake(architectures-not-set)
include("${RunCMake_BINARY_DIR}/architectures-not-set-build/info.cmake" OPTIONAL)
message(STATUS " CMAKE_CUDA_COMPILER_ID='${CMAKE_CUDA_COMPILER_ID}'")
message(STATUS " CMAKE_CUDA_COMPILER_VERSION='${CMAKE_CUDA_COMPILER_VERSION}'")
message(STATUS " CMAKE_CUDA_ARCHITECTURES='${CMAKE_CUDA_ARCHITECTURES}'")
if(CMAKE_CUDA_COMPILER_ID STREQUAL "Clang" AND CMAKE_CUDA_ARCHITECTURES)
list(GET CMAKE_CUDA_ARCHITECTURES 0 arch)
set(CMAKE_CUDA_FLAGS --cuda-gpu-arch=sm_${arch})
message(STATUS "Adding CMAKE_CUDA_FLAGS='${CMAKE_CUDA_FLAGS}' for CMAKE_CUDA_ARCHITECTURES=OFF with Clang.")
set(RunCMake_TEST_OPTIONS "-DCMAKE_CUDA_FLAGS=${CMAKE_CUDA_FLAGS}")
endif()
run_cmake(architectures-off)
unset(RunCMake_TEST_OPTIONS)

5
Tests/RunCMake/CUDA_architectures/architectures-not-set.cmake
View File

@@ -1,2 +1,7 @@
unset(CMAKE_CUDA_ARCHITECTURES)
enable_language(CUDA)
file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/info.cmake" "
set(CMAKE_CUDA_COMPILER_ID \"${CMAKE_CUDA_COMPILER_ID}\")
set(CMAKE_CUDA_COMPILER_VERSION \"${CMAKE_CUDA_COMPILER_VERSION}\")
set(CMAKE_CUDA_ARCHITECTURES \"${CMAKE_CUDA_ARCHITECTURES}\")
")