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Re: [Patch, Ada, Darwin] Remove use of "flat_namespace" linker flag.

From: Arnaud Charlet <charlet at adacore dot com>
To: Mike Stump <mikestump at comcast dot net>
Cc: Iain Sandoe <developer at sandoe-acoustics dot co dot uk>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Mike Stump <mrs at gcc dot gnu dot org>, Arnaud Charlet <charlet at adacore dot com>
Date: Wed, 7 Sep 2011 19:29:18 +0200
Subject: Re: [Patch, Ada, Darwin] Remove use of "flat_namespace" linker flag.
References: <F37ADD6C-CFB3-4A3D-98E6-8E390F65AB90@sandoe-acoustics.co.uk> <43F29799-9106-45A0-AFFF-43F48CAC22CE@comcast.net>

> > It also upsets our careful use of an extension library to provide current
> > GCC facilities to Darwin 8...11 (which relies on the two-level namespace
> > to use both the system and GCC versions of libgcc_s) ... and, in
> > particular, this can cause subtle and difficult to diagnose differences
> > of behavior between darwin 9 and later systems.
> 
> > So is the following OK for trunk?
> 
> I'm ok with it from a darwin perspective if you want to go that direction,
> though, this would be an Ada person call in the end.

We're reviewing this patch and its consequences. For now the patch is NOT OK
since the change was done for a reason initially. The question is whether
the reason still holds today, so stay tuned.

Arno

References:
- [Patch, Ada, Darwin] Remove use of "flat_namespace" linker flag.
  - From: Iain Sandoe
- Re: [Patch, Ada, Darwin] Remove use of "flat_namespace" linker flag.
  - From: Mike Stump

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