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Date:	Wed, 11 Apr 2001 11:32:56 -0600 (MDT)
From:	Roger Sayle <roger AT metaphorics DOT com>
X-Sender:	roger AT daylight DOT daylight DOT com
To:	Andre Bleau <bleau AT igb DOT umontreal DOT ca>
cc:	cygwin AT cygwin DOT com, mingw-users AT lists DOT sourceforge DOT net
Subject:	Re: GL/gl.h in w32api
In-Reply-To:	<4.3.2.7.0.20010411090013.00b57630@irispavp.igb.umontreal.ca>
Message-ID:	<Pine.SOL.4.20.0104111057590.14505-100000@daylight.daylight.com>
MIME-Version:	1.0

Andre Bleau wrote:
> Maybe there is some misunderstanding here.  The OpenGL package for
> Cygwin _already_ contains the headers for MS implementation of OpenGL
> and GLU.
> 
> As for -mno-cygwin support, it will be included in the next version of 
> Cygwin's OpenGL package (probably next week). Headers are now in 
> /usr/include/GL and, IMO, should stay there to maintain compatibility. 
> There will be a soft link from /usr/include/mingw/GL to /usr/include/GL. 
> Maybe there should be another from /usr/include/w32api/GL ? ...maybe
> not if -mno-cygwin support is present, as mentioned above.


My understanding of the current organization of cygwin's include files
is that header files specific to cygwin's runtime appear in /usr/include,
header files specific to mingw's runtime appear in /usr/include/mingw and
Microsoft Win32 APIs common to both occur in /usr/include/win32api.

OpenGL is such a Microsoft API and the appropriate headers should be
placed in /usr/include/w32api/GL.  The current opengl-1.1.0-3 places
the headers in /usr/include and therefore doesn't support "-mno-cygwin"
compiles, as reported by your postings in February.  Adding a symbolic
link from /usr/include/mingw/GL to /usr/include/GL in the next release
would solve the issue, but not in keeping with the current cygwin
philosophy.

Similarly, "-mno-win32" should hide these win32 API headers.

Chris F?

Roger
--
Roger Sayle,                         E-mail: roger AT metaphorics DOT com
Bioinformatics Group, Metaphorics,   WWW: http://www.metaphorics.com/
Office 104, 441 Greg Avenue,         Tel: (+1) 505-954-3281
Santa Fe, New Mexico, 87501.         Fax: (+1) 505-989-1200


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