diff options
Diffstat (limited to 'Modules/FindCUDA.cmake')
| -rw-r--r-- | Modules/FindCUDA.cmake | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Modules/FindCUDA.cmake b/Modules/FindCUDA.cmake index 6daf81d..240f0a5 100644 --- a/Modules/FindCUDA.cmake +++ b/Modules/FindCUDA.cmake @@ -834,7 +834,20 @@ if(NOT CUDA_TOOLKIT_ROOT_DIR AND NOT CMAKE_CROSSCOMPILING) ) if (CUDA_TOOLKIT_ROOT_DIR_NVCC) - get_filename_component(CUDA_TOOLKIT_ROOT_DIR_NVCC_PAR "${CUDA_TOOLKIT_ROOT_DIR_NVCC}" 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_TOOLKIT_ROOT_DIR_NVCC}) + execute_process(COMMAND ${CUDA_TOOLKIT_ROOT_DIR_NVCC} "-v" "__cmake_determine_cuda" ERROR_VARIABLE NVCC_ERR) + if(NVCC_ERR MATCHES " _HERE_=([^\r\n]*)") + set(CUDA_TOOLKIT_ROOT_DIR_NVCC_PAR "${CMAKE_MATCH_1}") + else() + message(FATAL_ERROR "Could not execute nvcc with -v.") + endif() + unset(NVCC_ERR) + else() + get_filename_component(CUDA_TOOLKIT_ROOT_DIR_NVCC_PAR "${CUDA_TOOLKIT_ROOT_DIR_NVCC}" DIRECTORY) + endif() + get_filename_component(CUDA_TOOLKIT_ROOT_DIR "${CUDA_TOOLKIT_ROOT_DIR_NVCC_PAR}" DIRECTORY CACHE) string(REGEX REPLACE "[/\\\\]?bin[64]*[/\\\\]?$" "" CUDA_TOOLKIT_ROOT_DIR ${CUDA_TOOLKIT_ROOT_DIR}) # We need to force this back into the cache. |