Bug#962555: scilab: FTBFS with libicu (>= 66)

[Boyuan Yang]

Source: scilab
Severity: grave
Version: 6.1.0+dfsg1-3
Tags: sid  bullseye
X-Debbugs-CC: jpuydt at debian.org

Dear Debian scilab maintainers,

During a local rebuild of your package, it seems that package scilab
currently FTBFS against new version of libicu library:

======================
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/xmlerror.h:10,
                 from /usr/include/libxml2/libxml/xpath.h:26,
                 from src/cpp/dynamic_modules.cpp:27:
/usr/include/unicode/localpointer.h:67:1: error: template with C
linkage
   67 | template<typename T>
      | ^~~~~~~~
src/cpp/dynamic_modules.cpp:21:1: note: ‘extern "C"’ linkage started
here
   21 | 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/xmlerror.h:10,
                 from /usr/include/libxml2/libxml/xpath.h:26,
                 from src/cpp/dynamic_modules.cpp:27:
/usr/include/unicode/localpointer.h:190:1: error: template with C
linkage
  190 | template<typename T>
      | ^~~~~~~~
src/cpp/dynamic_modules.cpp:21:1: note: ‘extern "C"’ linkage started
here
   21 | 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/xmlerror.h:10,
                 from /usr/include/libxml2/libxml/xpath.h:26,
                 from src/cpp/dynamic_modules.cpp:27:
/usr/include/unicode/localpointer.h:365:1: error: template with C
linkage
  365 | template<typename T>
      | ^~~~~~~~
src/cpp/dynamic_modules.cpp:21:1: note: ‘extern "C"’ linkage started
here
   21 | 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/xmlerror.h:10,
                 from /usr/include/libxml2/libxml/xpath.h:26,
                 from src/cpp/dynamic_modules.cpp:27:
/usr/include/unicode/ucnv.h:585:1: error: conflicting declaration of C
function ‘void icu_67::swap(icu_67::LocalUConverterPointer&,
icu_67::LocalUConverterPointer&)’
  585 | U_DEFINE_LOCAL_OPEN_POINTER(LocalUConverterPointer, UConverter,
ucnv_close);
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/unicode/uenum.h:68:1: note: previous declaration ‘void
icu_67::swap(icu_67::LocalUEnumerationPointer&,
icu_67::LocalUEnumerationPointer&)’
   68 | U_DEFINE_LOCAL_OPEN_POINTER(LocalUEnumerationPointer,
UEnumeration, uenum_close);
      | ^~~~~~~~~~~~~~~~~~~~~~~~~~~
make[4]: *** [Makefile:882: src/cpp/libscifunctions_manager_la-
dynamic_modules.lo] Error 1
make[4]: Leaving directory
'/<<PKGBUILDDIR>>/scilab/modules/functions_manager'
make[3]: *** [Makefile:843: all-recursive] Error 1
=============================

-- 
Regards,
Boyuan Yang
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