I tried to use the Boost Thread library with Windows and VC++ 7.1 (.NET IDE) and STLPort-4.6.2 but I didn't succeed. I tried with: - boost jam - generating a DLL from a new project directly in the IDE (dynamic linking) - including the sources in the exe project (static linking) The static linking gives me an error with "tss_cleanup_implemented", which is not accidental but wanted by the developers ("This function's sole purpose is to cause a link error..."), while the dinamyc linking gives me another error: "TestPalantirWrapper error LNK2019: unresolved external symbol "public: __thiscall boost::thread::thread(class boost::function0<void,class _STL::allocator<class boost::function_base> > const &)" (??0thread@boost@@QAE@ABV?$function0@XV?$allocator@Vfunction_base@boost@@@_STL@@@1@@Z) referenced in function _main" (it was th thread.cpp example). A strange thing happens with dynamic linking: using "BOOST_LIB_DIAGNOSTIC", I get the message "Linking to lib file: libboost_thread-vc71-mt-sgdp-1_32.lib" , beginning with "lib", and not the dynamic one (without "lib"). In particular, generating a DLL from the IDE from the the source files: (1) requires the library libboost_thread-vc71-mt-sgdp-1_32.lib (why?) (2) doesn't generate an import library (".lib") but only the .dll Thank you, Ivan Makale __________________________________________________________________ Tiscali Adsl 3 Mega Flat con 3 MESI GRATIS! Con Tiscali Adsl 3 Mega Flat navighi con la Supervelocita' a soli 29.95 euro al mese, senza limiti di tempo. E se attivi entro il 15 Aprile, 3 MESI sono GRATIS! Scopri come risparmiare navigando veloce, su http://abbonati.tiscali.it/adsl/sa/2flat_tc/