diff options
Diffstat (limited to 'gcc/opts-common.c')
| -rw-r--r-- | gcc/opts-common.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/gcc/opts-common.c b/gcc/opts-common.c index c114d4e..cc20410 100644 --- a/gcc/opts-common.c +++ b/gcc/opts-common.c @@ -977,3 +977,34 @@ option_flag_var (int opt_index, struct gcc_options *opts) return NULL; return (void *)(((char *) opts) + option->flag_var_offset); } + +/* Set a warning option OPT_INDEX (language mask LANG_MASK, option + handlers HANDLERS) to have diagnostic kind KIND for option + structures OPTS and OPTS_SET and diagnostic context DC (possibly + NULL), at location LOC (UNKNOWN_LOCATION for -Werror=). If IMPLY, + the warning option in question is implied at this point. This is + used by -Werror= and #pragma GCC diagnostic. */ + +void +control_warning_option (unsigned int opt_index, int kind, bool imply, + location_t loc, unsigned int lang_mask, + const struct cl_option_handlers *handlers, + struct gcc_options *opts, + struct gcc_options *opts_set, + diagnostic_context *dc) +{ + if (cl_options[opt_index].alias_target != N_OPTS) + opt_index = cl_options[opt_index].alias_target; + if (opt_index == OPT_SPECIAL_ignore) + return; + if (dc) + diagnostic_classify_diagnostic (dc, opt_index, (diagnostic_t) kind, loc); + if (imply) + { + /* -Werror=foo implies -Wfoo. */ + if (cl_options[opt_index].var_type == CLVC_BOOLEAN) + handle_generated_option (opts, opts_set, + opt_index, NULL, 1, lang_mask, + kind, loc, handlers, dc); + } +} |