diff options
Diffstat (limited to 'Modules/CMakeDetermineCUDACompiler.cmake')
| -rw-r--r-- | Modules/CMakeDetermineCUDACompiler.cmake | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Modules/CMakeDetermineCUDACompiler.cmake b/Modules/CMakeDetermineCUDACompiler.cmake index 578729c..c77fc3a 100644 --- a/Modules/CMakeDetermineCUDACompiler.cmake +++ b/Modules/CMakeDetermineCUDACompiler.cmake @@ -172,7 +172,20 @@ if(NOT CMAKE_CUDA_COMPILER_ID_RUN) endif() endif() - get_filename_component(CMAKE_CUDA_COMPILER_TOOLKIT_ROOT "${_CUDA_NVCC_EXECUTABLE}" DIRECTORY) + # If NVCC is a symlink due to a wrapper script (e.g. ccache or colornvcc), then invoke it to find the + # real non-scattered toolkit. + if(IS_SYMLINK ${_CUDA_NVCC_EXECUTABLE}) + execute_process(COMMAND ${_CUDA_NVCC_EXECUTABLE} "-v" "__cmake_determine_cuda" ERROR_VARIABLE NVCC_ERR) + if(NVCC_ERR MATCHES " _HERE_=([^\r\n]*)") + set(CMAKE_CUDA_COMPILER_TOOLKIT_ROOT "${CMAKE_MATCH_1}") + else() + message(FATAL_ERROR "Could not execute nvcc with -v.") + endif() + unset(NVCC_ERR) + else() + get_filename_component(CMAKE_CUDA_COMPILER_TOOLKIT_ROOT "${_CUDA_NVCC_EXECUTABLE}" DIRECTORY) + endif() + set(CMAKE_CUDA_DEVICE_LINKER "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/nvlink${CMAKE_EXECUTABLE_SUFFIX}") set(CMAKE_CUDA_FATBINARY "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}/fatbinary${CMAKE_EXECUTABLE_SUFFIX}") get_filename_component(CMAKE_CUDA_COMPILER_TOOLKIT_ROOT "${CMAKE_CUDA_COMPILER_TOOLKIT_ROOT}" DIRECTORY) |