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Date: Fri, 17 Oct 2014 17:10:09 -0700 (PDT)
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Subject: problems with gnat on yosemite macox
From: Leo Brewin <leo.brewin@internode.on.net>
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Xref: number.nntp.giganews.com comp.lang.ada:189866
Date: 2014-10-17T17:10:09-07:00
List-Id: <comp.lang.ada>

Hi Troops,

I just tried running gnatmake and friends under yosemite on MacOSX 10.10.
It failed badly.

Using the AdaCore 2014 GPL binaries I get

   /usr/local/gnat/bin/gcc -v
   Segmentation fault

   /usr/local/gnat/bin/gnatmake -v

   GNATMAKE GPL 2014 (20140331)
   Copyright (C) 1992-2014, Free Software Foundation, Inc.
   try "gnatmake --help" for more information.

Simon's gcc-4.8.0 binaries yield a small improvement but they too fail on a simple Hello World code,

   which gnatmake
   /opt/gcc-4.8.0/bin/gnatmake
   
   gnatmake lcb01.adb
   gnatbind -x lcb01.ali
   gnatlink lcb01.ali
   gcc: warning: couldn't understand kern.osversion '14.0.0
   gcc: warning: couldn't understand kern.osversion '14.0.0
   Undefined symbols for architecture x86_64:
     "__Unwind_Backtrace", referenced from:
         ___gnat_backtrace in libgnat.a(tracebak.o)
   	... similar lines deleted ...
   ld: symbol(s) not found for architecture x86_64
   collect2: error: ld returned 1 exit status
   gnatlink: error when calling /opt/gcc-4.8.0/bin/gcc
   gnatmake: *** link failed.

The file lcb01.adb is a trivial Hello World code

   with Ada.Text_IO; use Ada.Text_IO;
   procedure lcb01 is
   begin
      Put_line("Hello world");
   end lcb01;

I'm running Xcode 6.0.1 (not the developer 6.1 beta) and I've installed the command line tools.
I'm running this on a late 2013 MacBook Pro.

Any suggestions would be gratefully appreciated.

Cheers,
Leo