From: Charlie Savage <redmine@...>
Date: 2009-03-09T14:02:34+09:00
Subject: [ruby-core:22773] [Bug #1253] Fix MSVC Build Issues

Issue #1253 has been updated by Charlie Savage.


Hi Usaku,

> They are not mutually exclusive.
> -Os sometimes makes more faster code.
> -Oy sometimes breaks our GC.

Ok.  Thanks for the explanation.

> I only explained our current default warn flags. (especially
> why we disabled the two warnings about Microsoft's extensions
> outside of the standard)

Yes, I agree disabling the extensions outside of the standard is a good idea.  I think the real question here is this:

Are the warning generated by msvc2008 at -W3 (see #1254) worth fixing?  If these are real problems, then the warning should be -W3.  If they are not going to be fixed, then maybe the warning level should be lower. But having it turned off like now seems like a bad idea.

Does that makes sense?

Charlie

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