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Add docs to build cub module in Ubuntu 16.04 / RHEL 7

See original GitHub issue

After merging #2584, Ubuntu 16.04 users will need to:

$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
$ sudo apt update
$ sudo apt install g++-6

and export NVCC="nvcc --compiler-bindir gcc-6" to build CuPy from source.

The apt part needs to be documented. Maybe we can detect gcc version in setup.py and automatically set NVCC appropriately?

Issue Analytics

State:
Created 3 years ago
Reactions:2
Comments:5 (5 by maintainers)

Top GitHub Comments

1reaction

leofangcommented, Aug 18, 2020

Yeah gcc 4.x series is not ok with full C++11 support…

1reaction

kmaehashicommented, Aug 20, 2020

@leofang I added the g+±6 requirement to install guide, without mentioning CUB or Thrust. Just saying “C++11 compliant compiler is required” is not enough to build CuPy. gcc-4/5 supports C++11 (somewhat incompletely) https://gcc.gnu.org/projects/cxx-status.html#cxx11

@asi1024 Could you mention the runtime host compiler requirement when writing docs for CUDA_ACCERELATOR?

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