On 24.03.2021 19:58, Antoine Pitrou wrote:
On Wed, 24 Mar 2021 19:45:49 +0300
Ivan Pozdeev via Python-Dev <python-dev@python.org> wrote:
How does C++ fare in binary compatibility? Last time I checked it out (about 10
years ago), there was completely none, every compiler's ABI
was a black box without any guarantees whatsoever.
For any software that's going to dynamically link and exchange binary types
with other independently produced software, that's a deal breaker.
That depends if you use C++ internally or expose C++ bits in the public
API.
If you only use C++ internally, binary compatibility is presumably less
of an issue.
Python produces and accepts its internal types in API calls and allows extension modules to derive from them -- so it cannot "only use C++
internally" if those are going to become C++ types. (And if not, the point of using C++ is unclear.)
Regards
Antoine.
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--
Regards,
Ivan
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