Hi Norbert,

thanks for the report.

The libxml build failure is fixed in 2d2e77ddc9e3e63c3c658e824fb754f5a534a6ab, which in the stable-2.14 branch[1] post-rc1.

thanks,
kienan

[1]: https://github.com/lttng/lttng-tools/commit/2d2e77ddc9e3e63c3c658e824fb754f5a534a6ab

On 6/17/25 10:15 AM, Norbert Lange via lttng-dev wrote:
/tmp/dev_develop_libxml2/usr/include/libxml2/libxml/encoding.h:173:7:
note: declared here
   173 |     } input XML_DEPRECATED_MEMBER;
       |       ^~~~~
../../../src/common/config/session-config.cpp:297:75: error: no match
for call to '(_xmlCharEncodingHandler::<unnamed union>) (xmlChar*&,
int*, const xmlChar*, int*)'
   297 |  ret = handler->input(out_str, &out_len, (const xmlChar *)
in_str, &in_len);
       |
            ^

Changing the call to handler->input.legacyFunc seems to fix it.

Also lttng seems to need libxml2, but doesnt add the necessary flags.

Regards, Norbert

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