nvcc fatal : Value 'sm_20' is not defined for option 'gpu-architecture'

[awhan]

Spacy fails to install on archlinux distro due to error in installation of thinc.

I used the following to install pip install --user spacy. Error that I could glean from the log file is

nvcc fatal : Value 'sm_20' is not defined for option 'gpu-architecture'

while the following message is what I noted in the terminal

Command "/usr/bin/python -u -c "import setuptools, tokenize;file='/tmp/pip-build-mqkbeylk/thinc/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /tmp/pip-s1ppwpnp-record/install-record.txt --single-version-externally-managed --compile --user --prefix=" failed with error code 1 in /tmp/pip-build-mqkbeylk/thinc/

output of nvcc --version is

nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2017 NVIDIA Corporation
Built on Fri_Sep__1_21:08:03_CDT_2017
Cuda compilation tools, release 9.0, V9.0.176

pip install log is here

Your Environment

• Operating System: uname -a is Linux zero 4.13.12-1-ARCH failed on build #1 SMP PREEMPT Wed Nov 8 11:54:06 CET 2017 x86_64 GNU/Linux
• Python Version Used: Python 3.6.3
• spaCy Version Used: could not install (attempted to install 2.0.2)
• Environment Information: don't know how to generate without spacy installed

[honnibal]

Fixing this in Thinc, thanks. In the meantime you can set the environment variable CUDA9=1 to tell Thinc to drop the offending compiler flag.

[honnibal]

Should now be fixed in Thinc.

[lock]

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