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Merge topic 'better_cuda_compiler_detection_error_messages'

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a0fc64ac24 CUDA: Improve error messages when CUDA compiler detection fails

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Raul Tambre <raul@tambre.ee>
Merge-request: !5844
This commit is contained in:
Brad King
2021-02-24 14:47:31 +00:00
committed by Kitware Robot
parent 31040d477c a0fc64ac24
commit 35b448a7dd
1 changed files with 5 additions and 5 deletions
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10
Modules/CMakeDetermineCUDACompiler.cmake
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@@ -69,6 +69,10 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN)
set(CMAKE_CUDA_COMPILER_ID_VENDOR_REGEX_Clang "(clang version)")
CMAKE_DETERMINE_COMPILER_ID_VENDOR(CUDA "--version")
if(CMAKE_CUDA_COMPILER_ID STREQUAL "Clang" AND WIN32)
message(FATAL_ERROR "Clang with CUDA is not yet supported on Windows. See CMake issue #20776.")
endif()
# Find the CUDA toolkit. We store the CMAKE_CUDA_COMPILER_TOOLKIT_ROOT and CMAKE_CUDA_COMPILER_LIBRARY_ROOT
# in CMakeCUDACompiler.cmake, so FindCUDAToolkit can avoid searching on future runs and the toolkit stays the same.
# This is very similar to FindCUDAToolkit, but somewhat simplified since we can issue fatal errors
@@ -167,7 +171,7 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN)
unset(search_paths)
if(NOT _CUDA_NVCC_EXECUTABLE)
message(FATAL_ERROR "Could not find nvcc, please set CUDAToolkit_ROOT.")
message(FATAL_ERROR "Failed to find nvcc.\nCompiler ${CMAKE_CUDA_COMPILER_ID} requires the CUDA toolkit. Please set the CUDAToolkit_ROOT variable.")
endif()
endif()
endif()
@@ -225,10 +229,6 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN)
set(CMAKE_CUDA_COMPILER_ID_REQUIRE_SUCCESS ON)
endif()
elseif(CMAKE_CUDA_COMPILER_ID STREQUAL "Clang")
if(WIN32)
message(FATAL_ERROR "Clang with CUDA is not yet supported on Windows. See CMake issue #20776.")
endif()
set(clang_test_flags "--cuda-path=\"${CMAKE_CUDA_COMPILER_LIBRARY_ROOT}\"")
if(CMAKE_CROSSCOMPILING)
# Need to pass the host target and include directories if we're crosscompiling.