[Python-Dev] Moving Python 3.5 on Windows to a new compiler

[Steve Dower]

One more possible concern that I just thought of is the availability of the build tools on Windows Vista and Windows 7 RTM (that is, without SP1). I'd have to check, but I don't believe anything after VS 2012 is supported on Vista and it's entirely possible that installation is blocked.



This may be a non-issue. VC14 still has the "XP mode" that avoids using new APIs, so compiled Python will run fine, but it may be the case that the compiler doesn't (if we manage to get a separate, compiler-only package, that is. VS itself is definitely unusable). I assume gcc/clang will continue to support earlier OSs, so hopefully by the time 3.5 is getting early releases there will be an option for building extensions.



I doubt anyone on this list is stuck on Vista or in a position where they can't keep Win7 updated, but do we know of any environments where this may be a problem?
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