libcmis fail to build on macOS 10.15.7

[YesNo801]

libcmis fail to build on macOS 10.15.7 - libcmis is package used by libreoffice .

libcmis @0.5.2_1 macOS 10.15.7 (darwin/19.6.0) arch i386 MacPorts 2.7.1 Xcode 12.4 SDK 10.15 MACOSX_DEPLOYMENT_TARGET: 10.15

:info:build CXX libcmis_la-xml-utils.lo :info:build 1 warning generated. :info:build 1 warning generated. :info:build In file included from xml-utils.cxx:29: :info:build In file included from ../../inc/libcmis/xml-utils.hxx:36: :info:build In file included from /opt/local/include/boost/date_time.hpp:15: :info:build In file included from /opt/local/include/boost/date_time/local_time/local_time.hpp:11: :info:build In file included from /opt/local/include/boost/date_time/posix_time/posix_time.hpp:15: :info:build In file included from /opt/local/include/boost/date_time/posix_time/ptime.hpp:12: :info:build In file included from /opt/local/include/boost/date_time/posix_time/posix_time_system.hpp:13: :info:build In file included from /opt/local/include/boost/date_time/posix_time/posix_time_config.hpp:18: :info:build In file included from /opt/local/include/boost/date_time/gregorian/gregorian_types.hpp:19: :info:build In file included from /opt/local/include/boost/date_time/gregorian/greg_calendar.hpp:17: :info:build In file included from /opt/local/include/boost/date_time/gregorian/greg_ymd.hpp:16: :info:build In file included from /opt/local/include/boost/date_time/gregorian/greg_month.hpp:14: :info:build In file included from /opt/local/include/boost/shared_ptr.hpp:17: :info:build In file included from /opt/local/include/boost/smart_ptr/shared_ptr.hpp:28: :info:build In file included from /opt/local/include/boost/smart_ptr/detail/shared_count.hpp:29: :info:build In file included from /opt/local/include/boost/smart_ptr/detail/sp_counted_base.hpp:45: :info:build /opt/local/include/boost/smart_ptr/detail/sp_counted_base_clang.hpp:29:9: warning: '_Atomic' is a C11 extension [-Wc11-extensions] :info:build typedef _Atomic( boost::int_least32_t ) atomic_int_least32_t; :info:build ^{:info:build 1 warning generated. :info:build CXXLD libcmis.la :info:build CXXLD libcmis-0.5.la :info:build Undefined symbols for architecture x86_64: :info:build "boost::gregorian::greg_month::as_short_string() const", referenced from: :info:build boost::date_time::month_formatter<boost::gregorian::greg_month, boost::date_time::simple_format<char>, char>::format_month(boost::gregorian::greg_month const&, std::1::ba sic_ostream<char, std::1::char_traits<char> >&) in libcmis.a(libcmis_la-object.o) :info:build ld: symbol(s) not found for architecture x86_64 :info:build clang: error: linker command failed with exit code 1 (use -v to see invocation) :info:build make[2]: * [libcmis-0.5.la] Error 1}

[YesNo801]

libcmis build log