Re: libxml2 and deprecated API calls

[Chavdar Ivanov <ci4ic4%gmail.com@localhost>]

On Mon, 18 Sept 2023 at 01:46, Greg Troxel <gdt%lexort.com@localhost> wrote:
>
> It looks like libxml2 does not enable deprecated APIs and thus
> xmlCleanupPredefinedEntities is not available.
> However py-libxml2 seems to want to use it.  This results in (on macOS):
>
>   $ echo 'import libxml2' | python3.11
>   Traceback (most recent call last):
>     File "<stdin>", line 1, in <module>
>     File "/opt/pkg/lib/python3.11/site-packages/libxml2.py", line 1, in <module>
>       import libxml2mod
>   ImportError: dlopen(/opt/pkg/lib/python3.11/site-packages/libxml2mod.so, 2): Symbol not found: _xmlCleanupPredefinedEntities
>     Referenced from: /opt/pkg/lib/python3.11/site-packages/libxml2mod.so
>     Expected in: flat namespace
>    in /opt/pkg/lib/python3.11/site-packages/libxml2mod.so
>
> I haven't tried other systems yet, but I wonder if anyone else is seeing
> this.

On pkgsrc head, NetBSD aarch64 -current, it is not seen:

$ nm /usr/pkg/lib/python3.11/site-packages/libxml2mod.so | grep xm
lCleanup
0000000000031c90 T libxml_xmlCleanupCharEncodingHandlers
0000000000031ce0 T libxml_xmlCleanupEncodingAliases
0000000000031d10 T libxml_xmlCleanupGlobals
0000000000031d60 T libxml_xmlCleanupInputCallbacks
0000000000031d90 T libxml_xmlCleanupOutputCallbacks
                 U xmlCleanupCharEncodingHandlers@LIBXML2_2.4.30
                 U xmlCleanupEncodingAliases@LIBXML2_2.4.30
                 U xmlCleanupGlobals@LIBXML2_2.5.8
                 U xmlCleanupInputCallbacks@LIBXML2_2.4.30
                 U xmlCleanupOutputCallbacks@LIBXML2_2.4.30
                 U xmlCleanupParser@LIBXML2_2.4.30

>
> (pkgsrc head, up to date)



-- 
----