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From: Timo Rothenpieler <timo@rothenpieler.org>
To: ffmpeg-devel@ffmpeg.org
Subject: Re: [FFmpeg-devel] Unable to compile with cuda on WSL2
Date: Sat, 1 Apr 2023 11:28:40 +0200
Message-ID: <b5f499a4-aabc-8741-d28e-125dc025ee83@rothenpieler.org> (raw)
In-Reply-To: <CAPa-kAyNPQeVMCciK_Lx8OOpQWL9=gyDnNvBqYKTvSDqZr7hbA@mail.gmail.com>

On 01.04.2023 10:41, Dylan Fernando wrote:
> I'm trying to compile on WSL2 Ubuntu with cuda enabled. Command:
> 
> ./configure --enable-nonfree --enable-cuda-nvcc --extra-c
> flags=-I/opt/local/cuda/include --nvccflags="-gencode
> arch=compute_52,code=sm_52 -O2"
> 
> when compiling, I get the error:
> NVCC    libavfilter/vf_bilateral_cuda.ptx
> /bin/sh: 1: nvcc: not found
> make: *** [ffbuild/common.mak:128: libavfilter/vf_bilateral_cuda.ptx] Error
> 127
> 
> The output when I run nvcc -V is:
> nvcc: NVIDIA (R) Cuda compiler driver
> Copyright (c) 2005-2023 NVIDIA Corporation
> Built on Tue_Feb__7_19:32:13_PST_2023
> Cuda compilation tools, release 12.1, V12.1.66
> Build cuda_12.1.r12.1/compiler.32415258_0
> 
> I added this to .bashrc:
> export CUDA_HOME=/usr/local/cuda-12.1
> export
> LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/cuda-12.1/lib64:/usr/local/cuda-12.1/extras/CUPTI/lib64
> export PATH=$PATH:$CUDA_HOME/bin
> 
> Thanks,
> Dylan
> _______________________________________________
> ffmpeg-devel mailing list
> ffmpeg-devel@ffmpeg.org
> https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
> 
> To unsubscribe, visit link above, or email
> ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".

nvcc needs to be in your PATH. LD_LIBRARY_PATH is entirely irrelevant 
for CUDA.
So make sure to fix your PATH.

But really, just install clang and don't bother with proprietary nvcc.

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  reply	other threads:[~2023-04-01  9:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-04-01  8:41 Dylan Fernando
2023-04-01  9:28 ` Timo Rothenpieler [this message]
2023-04-02  6:12 Dylan Fernando
2023-04-02  9:27 ` Timo Rothenpieler

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