[Reland] Add warning about removed sm50 and sm60 arches #158700
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Related to #157517
Detect when users are executing torch build with cuda 12.8/12.9 and running on Maxwell or Pascal architectures.
We would like to include reference to the issue: #157517 as well as ask people to install CUDA 12.6 builds if they are running on sm50 or sm60 architectures.
Test:
Please note I reverted original PR #158301 because it broke internal users. This is a reland, added added check for non empty torch.cuda.get_arch_list()