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Re: Proposed change: weak symbol support for Darwin

From: Mark Mitchell <mitchell at doubledemon dot codesourcery dot com>
To: Matt Austern <austern at apple dot com>
Cc: Joe Buck <jbuck at synopsys dot com>, GCC list <gcc at gcc dot gnu dot org>, Mark Mitchell <mark at codesourcery dot com>, Zack Weinberg <zack at codesourcery dot com>
Date: Tue, 14 Oct 2003 15:00:44 -0700
Subject: Re: Proposed change: weak symbol support for Darwin
Organization: CodeSourcery, LLC
References: <87oewkof55.fsf@codesourcery.com> <B29DED2C-FDE5-11D7-BF04-000393B2ABA2@apple.com> <20031014141702.B18760@synopsys.com> <62CAC648-FE8F-11D7-B3A3-00039390D9E0@apple.com>
Reply-to: mark at codesourcery dot com

> The only reason I was reluctant to make the change globally was that
> on most platforms (e.g. Linux/x86) the current scheme ain't broke.

For right or wrong, the ABI requires that all vtables with external
linkage have "vague linkage".  Therefore, I don't think we should change
the linkage of vtables on any platform, except those that don't have
proper support for weak/COMDAT/etc.

-- 
Mark Mitchell <mitchell@doubledemon.codesourcery.com>
CodeSourcery, LLC

Follow-Ups:
- Re: Proposed change: weak symbol support for Darwin
  - From: Mike Stump
- Re: Proposed change: weak symbol support for Darwin
  - From: Matt Austern

References:
- Re: Proposed change: weak symbol support for Darwin
  - From: Zack Weinberg
- Re: Proposed change: weak symbol support for Darwin
  - From: Matt Austern
- Re: Proposed change: weak symbol support for Darwin
  - From: Joe Buck
- Re: Proposed change: weak symbol support for Darwin
  - From: Matt Austern

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