Summary
Compilation stops on WSL2 with /usr/bin/ld: cannot find -lcuda
System configuration
- Platform: Windows 11/WSL2 (Ubuntu 20.04.4 LTS) + CUDA 11.4
- Compiler: GCC9.4
- Python version: 3.9.7 (anaconda)
- Mitsuba 2 version: (last commit sha) 858509e
- Compiled variants:
scalar_rgb- gpu_autodiff_mono
Description
I am trying to figure out if mitsuba2 builds on WSL2 with CUDA11 support. Compilation stops with this error:
[ 35%] Linking CXX shared library libmitsuba-core.so /usr/bin/ld: cannot find -lcuda collect2: error: ld returned 1 exit status
I am not 100% sure what the issue is, but it might be because libcuda is in /usr/lib/wsl/lib in WSL. I tried adding that path to $LD_LIBRARY_FLAGS without success.
I supplied nvcc path via CMAKE flag or CUDACXX env variable.
Steps to reproduce
On WSL2, CUDA-11.4, do
mkdir build && cd build
cmake -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc ..
cmake --build .
Summary
Compilation stops on WSL2 with
/usr/bin/ld: cannot find -lcudaSystem configuration
scalar_rgbDescription
I am trying to figure out if mitsuba2 builds on WSL2 with CUDA11 support. Compilation stops with this error:
[ 35%] Linking CXX shared library libmitsuba-core.so /usr/bin/ld: cannot find -lcuda collect2: error: ld returned 1 exit statusI am not 100% sure what the issue is, but it might be because
libcudais in/usr/lib/wsl/libin WSL. I tried adding that path to $LD_LIBRARY_FLAGS without success.I supplied nvcc path via CMAKE flag or
CUDACXXenv variable.Steps to reproduce
On WSL2, CUDA-11.4, do
mkdir build && cd buildcmake -DCMAKE_CUDA_COMPILER=/usr/local/cuda/bin/nvcc ..cmake --build .