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Message-ID:	<392D4E92.340B63D2@ece.gatech.edu>
Date:	Thu, 25 May 2000 12:02:26 -0400
From:	Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To:	"Parker, Ron" <rdparker AT butlermfg DOT com>
CC:	Cosmin Truta <cosmin AT cs DOT toronto DOT edu>,
	Jason Tishler <Jason DOT Tishler AT dothill DOT com>,
	cygwin AT sourceware DOT cygnus DOT com
Subject:	Re: CygUtils Version of zip (and Symlinks)
References:	<200005251558 DOT LAA05624 AT mail DOT ee DOT gatech DOT edu>

"Parker, Ron" wrote:
> 
> > > When you get right down to it, cygwin is NOT windows. It
> > does everything
> > > it can to make windows look like Unix, so that apps can run
> > *as if they
> > > were on unix* with little or no changes. So, by that logic,
> > > cygwin-zip/unzip =should= be built as unix-ish apps, not windows-ish
> > > ones.
> >
> > Maybe you are right.
> > I personally look at gcc as a free alternative for a good
> > Win32 compiler,
> > but I agree that cygwin is a "Unix on Win" and maybe most of
> > the people
> > look at it that way.
> 
> ISTM that the right behavior would be for cygwin to build a UNIX-ish (un)zip
> and for mingw to build a Windows style program.  As already pointed out
> cygwin should be thought of as "Unix on Win" and IMO mingw should be thought
> of as "as a free alternative for a good Win32 compiler".

Just to respond to a small part of this post:

mingw == 'free alternative for a good Win32 compiler'
cygwin-gcc -mno-cygwin == 'another free alternative for a good Win32
compiler'
cygwin-gcc -mno-cygwin != mingw

I'm not sure how this affects your argument below, but the difference
between cygwin-gcc -mno-cygwin and mingw does need to be considered.

--Chuck

> 
> I realize that cygwin and mingw are both supported by the same compiler, but
> supplying -mno-cygwin causes gcc to switch from cygwin to mingw behavior and
> __MINGW32__ becomes defined.
> 
> This may be more a question for cygwin-developers, but I hate crossposts and
> know most readers of that list at least review this one.  So, wouldn't it be
> appropriate when compiling without -mno-cygwin for the specs file to define
> "unix", "UNIX" and similar "standard" defines?  They seem to be checked for
> in newlib, zlib, X11, and many other sources?
> 
> Yes I know I can make this change in my local sources, but I prefer to work
> with standard sources and now seemed a good time to bring it up.  I have
> been wondering about it for some time.

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