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Re: [Patch] Support building with SWIG 4 on Python 3.x

From: Julian Foad <julianfoad_at_apache.org>
Date: Wed, 13 Nov 2019 16:47:29 +0000

Branko Čibej wrote:
>>> On 13.11.2019 14:22, Jun Omae wrote:
>>>> I tried to support building SWIG 4 on Python 3.x, and post patch.
>>>>
>>>> Since SWIG 4, -classic and -modern options have been dropped. As the
>>>> result,
>>>> SWIG generates new-style classes which are using property() instead of
>>>> __swig_[gs]etmethods__.
>>>>
>>>> In attached patch, SWIG would generate new-style classes without
>>>> __swig_[gs]etmethods__ when SWIG 3.x is used (-modern option would be
>>>> used),
>>>> in the same as SWIG 4.x.
>>>>
>>>> Verified by check-swig-py with:
>>>>
>>>>  - Python 3.[5678] with SWIG 1.3.40, 2.0.12, 3.0.12 on Ubuntu 16.04 amd64
>>>>  - Python 2.7      with SWIG 3.0.12 and 4.0.1       on Ubuntu 16.04 amd64
[...]
> Works with Python 3.7 and Swig 4.0.1 on macOS. I also tested swig-rb and
> swig-pl, just to make sure. I didn't test Python 2, but the buildbots
> will do that when the patch is committed.

Looks good.

Nathan wrote in another thread:
> Note: If the patch contributed by Jun Omae a little earlier is
> committed, the text regarding SWIG 4.0.0+ in INSTALL will need to be
> adjusted accordingly. I have not changed it because the patch has not
> been committed yet.

Perhaps someone could commit this if there are no other concerns with
it, and adjust INSTALL at the same time?

- Julian
Received on 2019-11-13 17:47:32 CET

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