xerces-c-3.1.0-rc1: possible API change?
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Key: XERCESC-1903
URL: https://issues.apache.org/jira/browse/XERCESC-1903
Project: Xerces-C++
Issue Type: Bug
Affects Versions: 3.1.0
Environment: debian
Reporter: Jay Berkenbilt
A debian user reports trouble compiling xqilla 2.2.2
(http://xqilla.sourceforge.net) with xerces-c 3.1.0 rc1 but says that it does
compile with 3.0.1. We exchanged a few messages, but neither one of us is sure
whether the code in question is using an internal interface that is not
supposed to be part of the public API or whether this is an unintentional API
incompatibility. I'm including the text of our latest email exchange here so
you can make a judgment call on this before the final 3.1.0 is released.
======================
>> I was compiling XQilla library version 2.2.2 from
>> http://xqilla.sourceforge.net against Xerces-C in Debian, when I noticed
>> that the xqilla library cannot be compiled against libxerces-c-dev
>> 3.1.0~rc1, but it can compiled against version 3.0.1 still in testing.
>> So it seems that version 3.1 breaks API compatibility. Are you and/or
>> upstream developers aware of this? Is this actually a bug that I should
>> report against libxerces-c-dev or not?
>
> I'm not aware of any expected API changes between 3.0.1 and 3.1.0, but I
> haven't checked with upstream. I believe the intention is not to
> introduce API compatibilities though. Please go ahead and file a bug
> against the debian package. Obviously any specific details you can
> provide would be helpful. I will then forward it to upstream. Thanks
> for bringing this to my attention!
Hi,
I looked now the error messages a bit more to see what was changed, and
noticed that those API breaks are in a class definition in the subdir
"internal". Thus I now wonder if it counts as API break that would in
the interest of the developers. Here is the compiler error I got:
src/schema/SchemaValidatorFilter.cpp: In member function 'virtual unsigned int
SchemaValidatorFilter::resolveQName(const XMLCh*, xercesc_3_1::XMLBuffer&,
short int, int&)':
src/schema/SchemaValidatorFilter.cpp:713: error: no matching function for call
to 'xercesc_3_1::ElemStack::mapPrefixToURI(const XMLCh [],
xercesc_3_1::ElemStack::MapModes, bool&)'
/usr/include/xercesc/internal/ElemStack.hpp:190: note: candidates are: unsigned
int xercesc_3_1::ElemStack::mapPrefixToURI(const XMLCh*, bool&) const
src/schema/SchemaValidatorFilter.cpp:729: error: no matching function for call
to 'xercesc_3_1::ElemStack::mapPrefixToURI(XMLCh*,
xercesc_3_1::ElemStack::MapModes, bool&)'
/usr/include/xercesc/internal/ElemStack.hpp:190: note: candidates are: unsigned
int xercesc_3_1::ElemStack::mapPrefixToURI(const XMLCh*, bool&) const
--
Tommi Vainikainen
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