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Re: C++ ABI Issues


On Tuesday, Aug 27, 2002, at 11:15 US/Pacific, Mike Stump wrote:

On Tuesday, August 27, 2002, at 11:07 AM, Ziemowit Laski wrote:
Another question is whether proprietary compilers (HP aC++, etc.) also support
__GXX_ABI_VERSION
No. It is impossible for someone else to have exactly the same bugs as we have without very deliberate engineering, also they would have to be perfect in their abi to not require their own abi number.
If the C++ ABI is to be a multi-vendor ABI, then I think you _would_ need some sort of multi-vendor numbering scheme. (Or is source-level compatibility not desirable?) You're right about the difficulty of ensuring bug-for-bug compatibility, though.

--Zem
--------------------------------------------------------------
Ziemowit Laski 1 Infinite Loop, MS 301-2K
Mac OS X Compiler Group Cupertino, CA USA 95014-2083
Apple Computer, Inc. +1.408.974.6229 Fax .5477


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