opts_set(opts.warn, WARN_UNKNOWN_PRAGMAS, true);
opts_set(opts.warn, WARN_UNREACHABLE_CODE, true);
opts_set(opts.warn, WARN_CPP, true);
+ opts_set(opts.warn, WARN_UNKNOWN_ATTRIBUTE, true);
/* flags */
opts_set(opts.flags, ADJUST_VECTOR_FIELDS, true);
opts_set(opts.flags, FTEPP, false);