[gtkada] Fwd: Configure doesn't find openGL

[Roger Mc Murtrie]

I tried --with-GL-prefix=/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries
but that didn't work.
I also tried LDFLAGS='-framework GLUT, -framework OpenGL'
but configure still returns configure: error: Missing OpenGL library

> Begin forwarded message:
> 
> From: Roger Mc Murtrie <rogermc at grapevine.com.au>
> Subject: Re: [gtkada] Configure doesn't find openGL
> Date: 5 September 2016 at 10:31:53 PM AEST
> To: Emmanuel Briot <briot at adacore.com>
> Cc: gtkada at lists.adacore.com
> 
> This is outside my expertise.
> Perhaps Pascal can advise?
> Roger
> 
>> On 5 Sep 2016, at 10:25 PM, Emmanuel Briot <briot at adacore.com> wrote:
>> 
>>> If I omit --with-GL-prefix=/usr/X11
>>> I get:
>>> configure: error: Missing OpenGL library
>> 
>> right, I noticed this as well. But doesn't this mean we should find some other OpenGL library
>> on OSX (and thus need further refinement to configure) rather than rely on an X11 library,
>> when the rest of gtk+ doesn't use X11 on that platform ?
>> 
>> Emmanuel
>> 
>