Conda nightly gcc>=5 about builder HOT 8 CLOSED

/cc @goldsborough

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So also in this type of build https://github.com/pytorch/pytorch/blob/master/docker/pytorch/Dockerfile#L1 you are using:

gcc --version
gcc (Ubuntu 5.4.0-6ubuntu1~16.04.10) 5.4.0 20160609

Instead in the builder you are building on https://github.com/pytorch/builder/blob/master/conda/Dockerfile#L1

gcc --version
GCC: (GNU) 4.9.2 20150212 (Red Hat 4.9.2-6)

Are we in the middle of dual ABI issue with the two builds?

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/cc @soumith

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I read all github notifications, so I saw this.
We can think of doing this after PT1 stable release. The constraints we have on doing this are a bit stupid, like how much conda storage free space we have, but we can definitely execute on this with low pri

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In the meantime is there a quick way to build a conda package from https://github.com/pytorch/pytorch/blob/master/docker/pytorch/Dockerfile?

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I see also that the Docker nightly is not updated anymore https://hub.docker.com/r/pytorch/pytorch/tags/. If we have a valid package there we could be useful as workaround using multistage builds from there.

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Any news about CXX11_ABI?

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This is tracked in pytorch/pytorch#20652 and associated issue

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