[Mingw-users] Deprecation of __USE_MINGW_ANSI_STDIO

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Keith Marshall keith****@users*****
Thu Jan 10 04:47:05 JST 2019

On 06/01/19 16:22, Eli Zaretskii wrote:
>> However, __USE_MINGW_FSEEK is another feature test macro which 
>> really shouldn't be visible outside of MinGW.org source code, and
>> the case for not deprecating it is even weaker ... how many of
>> those projects which abuse it actually deliver Win9x compatible
>> code today, anyway?
> Well, we do want MinGW Binutils to work on Windows 9X, don't we?

Yes, but from a user's POV, it seems more logical to me to say "Hey,
MinGW-GCC, give me the best level of support you can, all the way back
to Win95", not "Hey, MinGW-GCC, I'd like you to enable this obscure
feature which is among several which I think may possibly be needed on

>> Those that do should *really* be defining _WIN32_WINDOWS, which
>> implicitly enables the __USE_MINGW_FSEEK feature.
> My problem with _WIN32_WINDOWS is that it appears in a dozen places in
> our w32api headers, and just analyzing its impact is a serious job.
> By contrast, __USE_MINGW_FSEEK is a much more focused knob.

More focused, yes; *too* focused maybe ... as a user, I have to know in
advance, that it enables a feature that I will almost certainly need, if
I want my application to work correctly on Win95, and I also need to
think about any other such features I may need.  OTOH, with


I can cover all bases at once.


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