gcc 4.1.2 as buildroot trunk compiler (with libboost, gcc 3.4.6 and OpenWRT 7.09 I got defined in discarded section while linking, with gcc 4.2.4 and OpenWRT trunk can't resolve symbol '_Unwind_GetIPInfo' at runtime if an exception happens)
libstdcpp_4.1.2 package
libboost_program_options-gcc41-mt-1_34_1.so.1.34.1 and libboost_thread-gcc41-mt-1_34_1.so.1.34.1 from the Boost C++ library package from BTG