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Date: Sat, 25 Jun 2016 00:36:27 +0200
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Piping on 64-bit Cygwin was Re: [ANNOUNCEMENT] llvm 3.7.1-2
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On Jun 23 17:05, cyg Simple wrote:
> On 6/22/2016 1:17 PM, Corinna Vinschen wrote:
> > On Jun 22 10:01, Warren Young wrote:=20
> >> Still, you could get similar problems.  ifdefs for portable
> >> sized-integer types are a particularly rich source of bugs, especially
> >> ones where #ifdef WINDOWS precedes any test that could match Cygwin,
> >> since WINDOWS is defined in Cygwin=E2=80=99s GCC, and as this exchange=
 shows,
> >=20
> > No, it isn't.  Neither is _WIN32 or _WINNT_, unless you include
> > <windows.h>.  Try `gcc -dM -E - < /dev/null | grep WIN'
> >=20
>=20
> IIRC early versions (2.8, 3.x) of Cygwin GCC did but it hasn't for some
> time.  I forget when it changed.

If so, it was long, long, ago.  AFAIR _WIN32 was only defined if you
included windows.h, even back in Cygwin 1.5 times.  Or even 1.3.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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