Eli Zaretskii <eliz@gnu.org> writes:

>> Date: Fri, 29 Nov 2024 17:42:19 +0100
>> From:  Manuel Giraud via "Bug reports for GNU Emacs,
>>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
>> 
>> This is not a bug (yet) per se but here is a new warning I get from
>> compiling Emacs with librsvg version 2.59.2:
>> 
>>   CC       image.o
>> image.c: In function 'svg_load_image':
>> image.c:12360:3: warning: 'rsvg_handle_get_pixbuf' is deprecated: Use 'rsvg_handle_get_pixbuf_and_error' instead [-Wdeprecated-declarations]
>> 12360 |   pixbuf = rsvg_handle_get_pixbuf (rsvg_handle);
>>       |   ^~~~~~
>> In file included from /usr/local/include/librsvg-2.0/librsvg/rsvg.h:1332,
>>                  from image.c:11652:
>> /usr/local/include/librsvg-2.0/librsvg/rsvg-pixbuf.h:55:12: note: declared here
>>    55 | GdkPixbuf *rsvg_handle_get_pixbuf (RsvgHandle *handle);
>>       |            ^~~~~~~~~~~~~~~~~~~~~~
>
> The way to fix this is to add code conditioned on librsvg version that
> uses rsvg_handle_get_pixbuf_and_error when available.

Ok.  According to this:
https://gitlab.gnome.org/GNOME/librsvg/-/blob/main/include/librsvg/rsvg-pixbuf.h?ref_type=heads#L52

this API is deprecated since 2.58 so here is the patch for this change.