Re: [Boost-users] [thread] 1.47 on cygwin 1.7 -> undefined reference to boost::detail::set_tss_data::shared_ptr::tss_cleanup

Try to compile with -DBOOST_THREAD_USE_LIB=1

I now get the following error: /usr/i686-w64-mingw32/sys-root/mingw/lib/libmingw32.a(lib32_libmingw32_a-tlssup.o):tlssup.c:(.tls+0x0): multiple definition of `__tls_used' /cygdrive/d/Softs/1.7/mgw-release/boost/lib/libboost_thread_win32.a(tss_pe.o):tss_pe.cpp:(.rdata$T+0x0): first defined here Frédéric