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Re: COM binary compatibility
- To: Pierre Phaneuf <pp at ludusdesign dot com>
- Subject: Re: COM binary compatibility
- From: Phil Edwards <pedwards at disaster dot jaj dot com>
- Date: Tue, 27 Mar 2001 20:02:29 -0500
- Cc: gcc-bugs at gcc dot gnu dot org
- References: <3AC1155F.B1D43FC8@ludusdesign.com>
On Tue, Mar 27, 2001 at 05:34:07PM -0500, Pierre Phaneuf wrote:
>
> Feature request:
>
> To have COM binary compatibility. As far as I know, this simply means a
> specific C++ vtable layout.
>
> Ideally, this could be triggered either with a command-line switch, or
> with an attribute to the class (that would be inherited to children
> classes).
There is already an undocumented class attribute, called com_interface,
that changes the vtable layout and is automatically inherited by children.
However, it's my understanding that this is unneeded and redundant with
the new ABI, and will be removed for 3.0.
Phil
--
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