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| author | Robert Maynard <rmaynard@nvidia.com> | 2021-02-22 21:06:41 (GMT) |
|---|---|---|
| committer | Robert Maynard <rmaynard@nvidia.com> | 2021-02-23 14:21:42 (GMT) |
| commit | a0fc64ac24baf270bd80b66ec037ea838e9d32bb (patch) | |
| tree | e8225b5c1e94d0753387997182f5bec5739bdfe7 | |
| parent | 22902cb38cdc934cb113269ef89ee30fba11391c (diff) | |
| download | CMake-a0fc64ac24baf270bd80b66ec037ea838e9d32bb.zip CMake-a0fc64ac24baf270bd80b66ec037ea838e9d32bb.tar.gz CMake-a0fc64ac24baf270bd80b66ec037ea838e9d32bb.tar.bz2 | |
CUDA: Improve error messages when CUDA compiler detection fails
| -rw-r--r-- | Modules/CMakeDetermineCUDACompiler.cmake | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Modules/CMakeDetermineCUDACompiler.cmake b/Modules/CMakeDetermineCUDACompiler.cmake index 468b8a1..4d61210 100644 --- a/Modules/CMakeDetermineCUDACompiler.cmake +++ b/Modules/CMakeDetermineCUDACompiler.cmake @@ -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 ${CMAKE_CUDA_COMPILER_ID} requires the CUDA toolkit. Please set the CUDAToolkit_ROOT variable.") endif() endif() endif() @@ -224,10 +228,6 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN) set(CMAKE_CUDA_COMPILER_ID_REQUIRE_SUCCESS ON) endif() elseif(CMAKE_CUDA_COMPILER_ID STREQUAL "Clang") - if(WIN32) - message(FATAL_ERROR "Clang with CUDA is not yet supported on Windows. See CMake issue #20776.") - endif() - set(clang_test_flags "--cuda-path=\"${CMAKE_CUDA_COMPILER_LIBRARY_ROOT}\"") if(CMAKE_CROSSCOMPILING) # Need to pass the host target and include directories if we're crosscompiling. |