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FindCUDA: Make nvcc configurable via CUDA_NVCC_EXECUTABLE env var

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This is useful if, for example, you want ccache to be used
for nvcc.  With the current behavior, cmake always picks up
/usr/local/cuda/bin/nvcc, even if there is a ccache nvcc
stub in the PATH.  Allowing for CUDA_NVCC_EXECUTABLE lets
us work around the problem.

Signed-off-by: Edward Z. Yang <ezyang@fb.com>
This commit is contained in:
Edward Z. Yang
2018-03-28 11:33:56 -04:00
committed by Brad King
parent 98f23da8df
commit 23119366e9
1 changed files with 14 additions and 10 deletions
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24
Modules/FindCUDA.cmake
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@@ -733,16 +733,20 @@ endif()
# CUDA_NVCC_EXECUTABLE
cuda_find_host_program(CUDA_NVCC_EXECUTABLE
NAMES nvcc
PATHS "${CUDA_TOOLKIT_ROOT_DIR}"
ENV CUDA_PATH
ENV CUDA_BIN_PATH
PATH_SUFFIXES bin bin64
NO_DEFAULT_PATH
)
# Search default search paths, after we search our own set of paths.
cuda_find_host_program(CUDA_NVCC_EXECUTABLE nvcc)
if(DEFINED ENV{CUDA_NVCC_EXECUTABLE})
set(CUDA_NVCC_EXECUTABLE "$ENV{CUDA_NVCC_EXECUTABLE}" CACHE FILEPATH "The CUDA compiler")
else()
cuda_find_host_program(CUDA_NVCC_EXECUTABLE
NAMES nvcc
PATHS "${CUDA_TOOLKIT_ROOT_DIR}"
ENV CUDA_PATH
ENV CUDA_BIN_PATH
PATH_SUFFIXES bin bin64
NO_DEFAULT_PATH
)
# Search default search paths, after we search our own set of paths.
cuda_find_host_program(CUDA_NVCC_EXECUTABLE nvcc)
endif()
mark_as_advanced(CUDA_NVCC_EXECUTABLE)
if(CUDA_NVCC_EXECUTABLE AND NOT CUDA_VERSION)