[xml/sgml-pkgs] Bug#1073508: libxml2: just another API+ABI break; please bump soname

[Andres Salomon]

On Mon, 17 Jun 2024 16:38:58 +0200 (CEST) Thorsten Glaser 
<t.glaser at qvest-digital.com> wrote:
> On Mon, 17 Jun 2024, Aron Xu wrote:
> 
> >Control: tags -1 - pending
> 
> Oops, right.
> 
> >It looks that this libxml2 update is causing more troubles than
> >expected, I would like to ask for your opinion whether it's better to
> >revert to an older version for the moment?
> 
> Might be useful while you ask upstream what they’re doing there
> with regards to both API and ABI, and/or someone diffs the API
> and ABI surface of the old and new version and figures out whether
> there are any other such surprises. Security fixes might need
> backporting though.
> 
> Maybe they haven’t realised themselves and decide they need to
> bump to libxml3 upstream at some point.

There's also a new upstream release (2.13), which probably also breaks 
the API/ABI from 2.12 again. So it might be worth jumping right to 2.13 
if you need to take a trip through NEW.

tree.h:
-XMLPUBFUN void
+XMLPUBFUN int
                 xmlSetTreeDoc           (xmlNodePtr tree,
                                          xmlDocPtr doc);
-XMLPUBFUN void
+XMLPUBFUN int
                 xmlSetListDoc           (xmlNodePtr list,
                                          xmlDocPtr doc);


parser.h:
@@ -327,6 +313,9 @@
      xmlParserNsData       *nsdb;    /* namespace database */
      unsigned        attrHashMax;    /* allocated size */
      xmlAttrHashBucket *attrHash;    /* atttribute hash table */
+
+    xmlStructuredErrorFunc errorHandler;
+    void *errorCtxt;
  };


The libxml package is currently keeping chromium from migrating to 
trixie, so I'm looking forward to this getting sorted out (whether 
upstream or with an SONAME bump or what).
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