Mark Levedahl <> writes:

> Cygwin and Windows should be treated as completely separate platforms:
> if __CYGWIN__ is defined, do one thing, if not, go ahead and check
> WIN32, but the WIN32 macro should never be tested once we know the
> platform is CYGWIN - these really are different platforms (if you are
> unsure of this, consider that Cygwin includes a cross-compiler to
> target native Win32 as the Cygwin maintainers recognized the platforms
> are different).

Not disagreeing with your conclusion (they should be treated as
different), why does it define WIN32 in the first place?

Perhaps we would want

        #ifdef __CYGWIN__
        #undef WIN32

very early in some include file before nothing else is included?

Just being curious.

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