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Newsgroups: comp.lang.ada
Date: Sat, 11 Aug 2018 18:50:04 -0700 (PDT)
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Subject: Re: AdaCore Community 2018 Bugs
From: Roger <rogermcm2@gmail.com>
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Xref: reader02.eternal-september.org comp.lang.ada:54147
Date: 2018-08-11T18:50:04-07:00
List-Id: <comp.lang.ada>

On Sunday, August 12, 2018 at 3:20:28 AM UTC+10, Simon Wright wrote:
> Roger <rogermcm2@gmail.com> writes:
> 
> > On Saturday, August 11, 2018 at 6:42:27 PM UTC+10, Jeffrey R. Carter wrote:
> >> On 08/11/2018 03:06 AM, Roger wrote:
> >> > Perhaps use a different Ada compiler?
> >> 
> >> Have you tried the FSF GNAT 8.1.0 compiler?
> >> 
> >> https://sourceforge.net/projects/gnuada/files/GNAT_GCC%20Mac%20OS%20X/8.1.0/native-2017/
> >> 
> >
> > I am also getting this problem with gcc 6.1.0
> > +===========================GNAT BUG DETECTED==============================+
> > | 6.1.0 (x86_64-apple-darwin15) GCC error:                                 |
> > | in gnat_to_gnu_entity, at ada/gcc-interface/decl.c:3011                  |
> > | Error detected at assimp_texture.ads:65:34   
> >
> > As I have used gcc 6.1.0 without getting this error in the past I'm
> > wondering if it has something to do with OSX.
> > Mac mini (Mid 2011)
> > OSX 10.13.6
> > Xcode 9.4.1
> 
> I see your first error in this case.
> 
> Similar error on Debian stretch (GCC 6.3.0, GNAT GPL 2017).
> 
> Since the error seems to be related to AI_Mesh_Morph_Anim, I tried
> various changes such as replacing your
> 
>    type Thing_List is new Thing_Package.List with null record;
> 
> by
> 
>    subtype Thing_List is Thing_Package.List;
> 
> but no joy.

Thanks for trying. 
This type of problem first occurred a few months ago with a program that was much simpler than the one I am currently working on. 
I've been writing Ada code for a few years and had not previously had this problem. 
As it now occurs even with GCC 6.1.0 I'm thinking it most likely has to do with recent OSX changes. 

This problem doesn't occur for compile only.
It occurs when I Build All from GPS