May I merge the below fix to release branch? It was checked in July (so yeah, tests have cycles since then), but it seems I have failed to merge it until now. Index: boost/program_options/errors.hpp =================================================================== --- boost/program_options/errors.hpp (revision 79476) +++ boost/program_options/errors.hpp (revision 79477) @@ -250,7 +250,7 @@ } /** Does NOT set option name, because no option name makes sense */ - virtual void set_option_name(const std::string&option_name) {} + virtual void set_option_name(const std::string&) {} ~error_with_no_option_name() throw() {} }; -- Vladimir Prus CodeSourcery / Mentor Graphics http://www.mentor.com/embedded-software/