Hello,
I have a project which uses the CMake 3.10.1 and CUDA nvcc compiler and I am
using the new project(projectName LANGUAGES CUDA) instead of find_package(CUDA)
to do so. I want CMake to use a different (explicitly defined) path for nvcc
compiler than the installed version. Before calling project(projectName
LANGUAGES CUDA), I declare CUDA_TOOLKIT_ROOT_DIR via an include of a file which
defines our third party library variables, but it always finds the installed
version. I know that CUDA_TOOLKIT_ROOT_DIR was meant for the
find_package(CUDA) script, but the documentation doesn't seem to specify how to
use the new project method of including nvcc.
Is there a way to specify a different nvcc location using the new format?
Excerpt from CMakeLists.txt:
...
include(${CMAKE_CURRENT_SOURCE_DIR}/../../../build/thirdparty_versions.cmake)
#defines CUDA_TOOLKIT_ROOT_DIR to specified CUDA root with bin/nvcc below it.
message(---------------CUDA_TOOLKIT_ROOT_DIR:${ CUDA_TOOLKIT_ROOT_DIR})
project(projectName LANGUAGES CUDA)
...
Below is a portion of my output:
...
---------------CUDA_TOOLKIT_ROOT_DIR:C:/thirdparty/CUDA/v8.0
-- Selecting Windows SDK version 10.0.14393.0 to target Windows 10.0.17134.
-- The CUDA compiler identification is NVIDIA 8.0.44
-- Check for working CUDA compiler: C:/Program Files/NVIDIA GPU Computing
Toolkit/CUDA/v8.0/bin/nvcc.exe
You can see that the CUDA compiler found was the intalled version, not
C:/thirdparty/CUDA/v8.0
Thanks,
Jeff Perez
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