X-Recipient:	archive-cygwin AT delorie DOT com
DomainKey-Signature:	a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:mime-version:in-reply-to:references:from:date
	:message-id:subject:to:content-type:content-transfer-encoding;
	q=dns; s=default; b=Hg/yabm6B+L24n+fECMbx7RhUhBFREhTO2rdN5bZRdO
	TFw5wF8lW2Rc3u0jqhpHwYeRtTEjvfYMzaEaEtgJnHyaftoD1UUEbsyUAmE32NJF
	c8uuMATsor+Qo0beOv5Fl/7gFtOn9bgWm3mASbk9/ltpd4KSUr3eD3AshjLWlLu8
	=
DKIM-Signature:	v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id
	:list-unsubscribe:list-subscribe:list-archive:list-post
	:list-help:sender:mime-version:in-reply-to:references:from:date
	:message-id:subject:to:content-type:content-transfer-encoding;
	s=default; bh=p2HjLHhjeqtdYC5N6KYeOPGGih4=; b=o1kZ5TITr8FUTPWY4
	Ig+CBbAZzxrn8ekGKduUGeWCRhM/+zLvaFe3gMPOzsUjji2Hf2XiQkmfjNPy/mXK
	dK+l4Urnx58XD7oomZw4vUdQ0qA7xu4uOLpaLC188Ecx3XvFGNkKH/vXLU7vsH+7
	bb/qdy6aFT4pm80OfKaTggFSm4=
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com
Authentication-Results:	sourceware.org; auth=none
X-Spam-SWARE-Status:	No, score=-0.7 required=5.0 tests=AWL,BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_PASS autolearn=no version=3.3.1 spammy=lee
X-HELO:	mail-qt1-f181.google.com
DKIM-Signature:	v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :content-transfer-encoding; bh=rLscwC9dtZO5B70EYJwOF3Xg7pZZZFZITJWcyKuKtfk=; b=AeXfg9qo9JmICcZQexHuRICszJAs9dtaSECm5KHgDn1B+hHk51GAI0hm6CNwqSMagY aEfH85GjQmS/tukDEDg5eq/mI5pzVqiOYtZR5heJbtniVBGU/1QLB3tOb9QR1E7GpvKC aV2NSuWo/SKVaAXZyvv/I/8FkLr5KnJh+4K4PHftYx/8DHVbIOaCYvJvvAbeLMU5UBDX PMNR8dWI5LIfHbyQfORzO9FEPIa8AEwaEDld7uLtHLzB/SSE6780qitWa5mOX70NFeBF NSvlQ5WpI+4FMDBATjUL9TPlXQ2dXXri3BsDhAe2As2L0ZRq/bjH3Am2ivf1cIrT1oqR /nZg==
MIME-Version:	1.0
In-Reply-To:	<8e9bfbb4-2139-639d-afaa-dfbacac1a8d9@t-online.de>
References:	<5fbb6229-da17-c056-19b9-9819c684a8ad AT agner DOT org> <8e9bfbb4-2139-639d-afaa-dfbacac1a8d9 AT t-online DOT de>
From:	Lee <ler762 AT gmail DOT com>
Date:	Sun, 12 May 2019 16:29:36 -0400
Message-ID:	<CAD8GWsunE-dWOGmvOd18d6Q1L-WhYQWHA8xkwb5sazaZZ0pQJw@mail.gmail.com>
Subject:	Re: Why is __unix__ defined, and not __WINDOWS__ ?
To:	cygwin AT cygwin DOT com
X-IsSubscribed:	yes
X-MIME-Autoconverted:	from quoted-printable to 8bit by delorie.com id x4CKTnud028897

On 5/12/19, Hans-Bernhard Bröker wrote:
> Am 12.05.2019 um 20:22 schrieb Agner Fog:
>
>> I have noticed that the gcc and clang compilers have defined the
>> preprocessing macro __unix__, but not __WINDOWS__, _WIN32, or _WIN64
>> when compiling a windows executable.
>>
>> Why is this?
>
> Because it's correct that way.  Cygwin runs on Windows, but it _is_ not
> Windows.

Or you can use a cross-compiler to create a 'native' windows
executable that doesn't require any of the cygwin dlls.

$ echo | gcc -dM -E -xc - | grep '#define _WIN32 '

$ echo | i686-w64-mingw32-gcc -dM -E -xc - | grep '#define _WIN32 '
#define _WIN32 1

Lee

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -