https://svn.boost.org/trac10/ticket/318 <pre class="wiki">boost_1_32_0 bjam -sTOOLS="vc-7_1" --with-date_time stage ...found 447 targets... ...updating 34 targets... vc-C++ bin\boost\libs\date_time\build\boost_date_time.dll\vc- 7_1-stlport\debug\threading-multi\greg_month.obj greg_month.cpp C:\_Vlad_Job\boost_1_32_0\boost\lexical_cast.hpp (150) : error C2679: binary '&gt;&gt;' : no operator found which takes a right-hand operand of type 'boost::date_time::date_names_put&lt;Config,charT,O utputIterator&gt;::string_type' (or there is no acceptable conversion) with [ Config=boost::gregorian::greg_facet_config, charT=wchar_t, OutputIterator=std::ostreambuf_iterator&lt;wchar_t,std::c har_traits&lt;wchar_t&gt;&gt; ] C:\_Vlad_Job\boost_1_32_0\boost\lexical_cast.hpp (189) : see reference to function template instantiation 'bool boost::detail::lexical_stream&lt;Target,Source&gt;::operator &gt;&gt;&lt;Target&gt;(InputStreamable &amp;)' being compiled with [ Target=boost::date_time::date_names_put&lt;boost::greg orian::greg_facet_config,wchar_t,std::ostreambuf_iterat or&lt;wchar_t,std::char_traits&lt;wchar_t&gt;&gt;&gt;::string_type, Source=const char *, InputStreamable=boost::date_time::date_names_put&lt;bo ost::gregorian::greg_facet_config,wchar_t,std::ostream buf_iterator&lt;wchar_t,std::char_traits&lt;wchar_t&gt;&gt;&gt;::strin g_type ] C:\_Vlad_Job\boost_1_32_0 \boost\date_time\date_names_put.hpp(126) : see reference to function template instantiation 'Target boost::lexical_cast&lt;boost::date_time::date_names_put&lt; Config,charT,OutputIterator&gt;::string_type,const char*&gt; (Source)' being compiled with [ Target=boost::date_time::date_names_put&lt;boost::greg orian::greg_facet_config,wchar_t,std::ostreambuf_iterat or&lt;wchar_t,std::char_traits&lt;wchar_t&gt;&gt;&gt;::string_type, Config=boost::gregorian::greg_facet_config, charT=wchar_t, OutputIterator=std::ostreambuf_iterator&lt;wchar_t,std::c har_traits&lt;wchar_t&gt;&gt;, Source=const char * ] C:\_Vlad_Job\boost_1_32_0 \boost\date_time\date_names_put.hpp(122) : while compiling class-template member function 'void boost::date_time::date_names_put&lt;Config,charT,Output Iterator&gt;::do_put_special_value (boost::date_time::date_names_put&lt;Config,charT,Outpu tIterator&gt;::iter_type &amp;,boost::date_time::date_names_put&lt;Config,charT,Outp utIterator&gt;::special_value_enum) const' with [ ... etc Any suggestions how to fix this ? </pre> en-us /htdocs/site/boost.png https://svn.boost.org/trac10/ticket/318 Trac 1.4.3 az_sw_dude Mon, 22 Nov 2004 01:52:52 GMT https://svn.boost.org/trac10/ticket/318#comment:3 https://svn.boost.org/trac10/ticket/318#comment:3 <ul> <li><strong>status</strong> <span class="trac-field-old">assigned</span> → <span class="trac-field-new">closed</span> </li> </ul> <pre class="wiki">Logged In: YES user_id=579686 &gt;How do see that envir vars is not appropriate ? If VC6 is in your PATH variable ahead of VC7. The reason I suspect this is that date-time does not support operator&gt;&gt; under VC6 and it checks the compiler version to macro out this code. Jeff </pre> Ticket