Hi All, I'm asking my question again because I still haven't find any solution to it. When try to build a python application using boost, I'm getting the following error using make. /usr/local/boost_1_55_0/boost/type_traits/is_fundamental.hpp:26:20: fatal error: recursive template instantiation exceeded maximum depth of 128 ::boost::is_arithmetic<T>::value I tried to use ./b2 cxxflags="-ftemplate-depth=256" as mentioned in this topic https://groups.google.com/forum/#!topic/boost-list/KJXwGcugNEs but didn't make any difference. Any idea? I'm really stock! Thanks! Corentin Here is the full output. [ 1%] Building CXX object src/CMakeFiles/pagmo_static.dir/problem/death_penalty.o In file included from /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pagmo-code/src/problem/death_penalty.cpp:29: In file included from /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pagmo-code/src/problem/../types.h:30: In file included from /usr/local/boost_1_55_0/boost/lexical_cast.hpp:165: In file included from /usr/local/boost_1_55_0/boost/type_traits/has_left_shift.hpp:43: In file included from /usr/local/boost_1_55_0/boost/type_traits/detail/has_binary_operator.hpp:15: /usr/local/boost_1_55_0/boost/type_traits/is_fundamental.hpp:26:20: fatal error: recursive template instantiation exceeded maximum depth of 128 ::boost::is_arithmetic<T>::value ^ /usr/local/boost_1_55_0/boost/type_traits/is_fundamental.hpp:38:64: note: in instantiation of template class 'boost::detail::is_fundamental_impl<const double>' requested here BOOST_TT_AUX_BOOL_TRAIT_DEF1(is_fundamental,T,::boost::detail::is_fundamental_impl<T>::value) ^ /usr/local/boost_1_55_0/boost/type_traits/detail/bool_trait_def.hpp:69:30: note: expanded from macro 'BOOST_TT_AUX_BOOL_TRAIT_DEF1' BOOST_TT_AUX_BOOL_C_BASE(C) \ ^ /usr/local/boost_1_55_0/boost/type_traits/detail/bool_trait_def.hpp:63:81: note: expanded from macro 'BOOST_TT_AUX_BOOL_C_BASE' # define BOOST_TT_AUX_BOOL_C_BASE(C) : public ::boost::integral_constant<bool,C> ^ /usr/local/boost_1_55_0/boost/mpl/if.hpp:63:68: note: in instantiation of template class 'boost::is_fundamental<const double>' requested here BOOST_MPL_AUX_STATIC_CAST(bool, BOOST_MPL_AUX_VALUE_WKND(T1)::value) ^ /usr/local/boost_1_55_0/boost/mpl/aux_/value_wknd.hpp:57:40: note: expanded from macro 'BOOST_MPL_AUX_VALUE_WKND' # define BOOST_MPL_AUX_VALUE_WKND(C) C ^ /usr/local/boost_1_55_0/boost/mpl/aux_/static_cast.hpp:24:62: note: expanded from macro 'BOOST_MPL_AUX_STATIC_CAST' # define BOOST_MPL_AUX_STATIC_CAST(T, expr) static_cast<T>(expr) ^ /usr/local/boost_1_55_0/boost/mpl/eval_if.hpp:37:22: note: in instantiation of template class 'boost::mpl::if_<boost::is_fundamental<const double>, mpl_::int_<1>, boost::mpl::eval_if<boost::is_class<const double>, mpl_::int_<3>, boost::mpl::eval_if<boost::is_array<const double>, mpl_::int_<2>, boost::mpl::eval_if<boost::is_enum<const double>, mpl_::int_<1>, mpl_::int_<0> > > > >' requested here typedef typename if_<C,F1,F2>::type f_; ^ /usr/local/boost_1_55_0/boost/mpl/eval_if.hpp:38:22: note: in instantiation of template class 'boost::mpl::eval_if<boost::is_fundamental<const double>, mpl_::int_<1>, boost::mpl::eval_if<boost::is_class<const double>, mpl_::int_<3>, boost::mpl::eval_if<boost::is_array<const double>, mpl_::int_<2>, boost::mpl::eval_if<boost::is_enum<const double>, mpl_::int_<1>, mpl_::int_<0> > > > >' requested here typedef typename f_::type type; ^ /usr/local/boost_1_55_0/boost/serialization/level.hpp:53:37: note: in instantiation of template class 'boost::mpl::eval_if<boost::is_base_and_derived<boost::serialization::basic_traits, const double>, boost::serialization::implementation_level_impl<const double>::traits_class_level<const double>, boost::mpl::eval_if<boost::is_fundamental<const double>, mpl_::int_<1>, boost::mpl::eval_if<boost::is_class<const double>, mpl_::int_<3>, boost::mpl::eval_if<boost::is_array<const double>, mpl_::int_<2>, boost::mpl::eval_if<boost::is_enum<const double>, mpl_::int_<1>, mpl_::int_<0> > > > > >' requested here BOOST_DEDUCED_TYPENAME mpl::eval_if< ^ /usr/local/boost_1_55_0/boost/serialization/level.hpp:93:12: note: (skipping 119 contexts in backtrace; use -ftemplate-backtrace-limit=0 to see all) public implementation_level_impl<const T> ^ /usr/local/boost_1_55_0/boost/serialization/export.hpp:66:12: note: in instantiation of member function 'boost::serialization::singleton<boost::archive::detail::pointer_iserializer<boost::archive::text_iarchive, pagmo::problem::death_penalty> >::get_const_instance' requested here >::get_const_instance(); ^ /usr/local/boost_1_55_0/boost/serialization/export.hpp:111:5: note: in instantiation of member function 'boost::archive::detail::export_impl<boost::archive::text_iarchive, pagmo::problem::death_penalty>::enable_load' requested here export_impl<Archive,Serializable>::enable_load( ^ /usr/local/boost_1_55_0/boost/serialization/export.hpp:95:37: note: in instantiation of member function 'boost::archive::detail::ptr_serialization_support<boost::archive::text_iarchive, pagmo::problem::death_penalty>::instantiate' requested here &ptr_serialization_support::instantiate ^ /usr/local/boost_1_55_0/boost/serialization/export.hpp:142:9: note: in instantiation of member function 'boost::archive::detail::extra_detail::guid_initializer<pagmo::problem::death_penalty>::export_guid' requested here export_guid(boost::serialization::is_abstract< T >()); ^ /Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/pagmo-code/src/problem/death_penalty.cpp:206:1: note: in instantiation of member function 'boost::archive::detail::extra_detail::guid_initializer<pagmo::problem::death_penalty>::export_guid' requested here BOOST_CLASS_EXPORT_IMPLEMENT(pagmo::problem::death_penalty) ^ /usr/local/boost_1_55_0/boost/serialization/export.hpp:167:35: note: expanded from macro 'BOOST_CLASS_EXPORT_IMPLEMENT' >::get_mutable_instance().export_guid(); \ ^ /usr/local/boost_1_55_0/boost/type_traits/is_fundamental.hpp:26:20: note: use -ftemplate-depth=N to increase recursive template instantiation depth ::boost::is_arithmetic<T>::value ^ 1 error generated. make[2]: *** [src/CMakeFiles/pagmo_static.dir/problem/death_penalty.o] Error 1 make[1]: *** [src/CMakeFiles/pagmo_static.dir/all] Error 2 make: *** [all] Error 2