https://launchpadlibrarian.net/471776627/buildlog_ubuntu-focal-amd64.libcmis_0.5.2-1build1_BUILDING.txt.gz
seen in the second focal test rebuild
/usr/include/unicode/localpointer.h:371:1: error: template with C linkage
371 | template<typename T>
| ^~~~~~~~
In file included from repository.cxx:29:
../../inc/libcmis-c/repository.h:32:1: note: ‘extern "C"’ linkage started here
32 | extern "C" {
| ^~~~~~~~~~
In file included from /usr/include/unicode/uenum.h:23,
from /usr/include/unicode/ucnv.h:53,
from /usr/include/libxml2/libxml/encoding.h:31,
from /usr/include/libxml2/libxml/parser.h:810,
from /usr/include/libxml2/libxml/globals.h:18,
from /usr/include/libxml2/libxml/threads.h:35,
from /usr/include/libxml2/libxml/xmlmemory.h:218,
from /usr/include/libxml2/libxml/tree.h:1307,
from ../../inc/libcmis-c/repository.h:35,
from repository.cxx:29:
/usr/include/unicode/ucnv.h:585:1: error: conflicting declaration of C function ‘void icu_66::swap(icu_66::LocalUConverterPointer&, icu_66::LocalUConverterPointer&)’
585 | U_DEFINE_LOCAL_OPEN_POINTER(LocalUConverterPointer, UConverter, ucnv_close);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/unicode/uenum.h:68:1: note: previous declaration ‘void icu_66::swap(icu_66::LocalUEnumerationPointer&, icu_66::LocalUEnumerationPointer&)’
68 | U_DEFINE_LOCAL_OPEN_POINTER(LocalUEnumerationPointer, UEnumeration, uenum_close);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
make[4]: *** [Makefile:619: libcmis_c_0.5_la-repository.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
make[4]: Leaving directory '/<<PKGBUILDDIR>>/src/libcmis-c'
make[3]: *** [Makefile:523: all-recursive] Error 1
make[3]: Leaving directory '/<<PKGBUILDDIR>>/src'
make[2]: *** [Makefile:538: all-recursive] Error 1
make[2]: Leaving directory '/<<PKGBUILDDIR>>'
make[1]: *** [debian/rules:43: override_dh_auto_build] Error 2
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:23: build] Error 2
Fixed in the queue.