Could these patches be applied to make program_options compile with the IBM compiler? Matthias --- boost/boost/program_options/detail/utf8_codecvt_facet.hpp Wed Jul 21 09:49:15 2004 +++ ../utf8_codecvt_facet.hpp Tue Nov 2 15:05:34 2004 @@ -146,7 +146,11 @@ const char * from, const char * from_end, std::size_t max_limit +#if BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) + ) const throw(); +#else ) const; +#endif // Largest possible value do_length(state,from,from_end,1) could return. virtual int do_max_length() const throw () { --- boost/libs/program_options/src/utf8_codecvt_facet.cpp Thu Aug 26 11:37:53 2004 +++ ../utf8_codecvt_facet.cpp Tue Nov 2 15:04:38 2004 @@ -172,7 +172,12 @@ const char * from, const char * from_end, std::size_t max_limit +#if BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600)) +) const throw() +#else ) const +#endif + { // RG - this code is confusing! I need a better way to express it. // and test cases.