* bootstrap (runtime-po/Makevars): Derive from po/Makevars

[bison.git] / src / getargs.c

diff --git a/src/getargs.c b/src/getargs.c
index 94d24329d716cdd0ea167be3135f96f30a20a2ec..177255e70e67a634030d446102d5587371d78ed3 100644 (file)
--- a/src/getargs.c
+++ b/src/getargs.c
@@ -203,19 +203,21 @@ static const char * const warnings_args[] =
 {
   /* In a series of synonyms, present the most meaningful first, so
      that argmatch_valid be more readable.  */
-  "none       - no warnings",
-  "error      - warnings are errors",
-  "yacc       - incompatibilities with POSIX YACC",
-  "all        - all of the above",
+  "none            - no warnings",
+  "midrule-values  - unset or unused midrule values",
+  "yacc            - incompatibilities with POSIX YACC",
+  "all             - all of the above",
+  "error           - warnings are errors",
   0
 };
 
 static const int warnings_types[] =
 {
   warnings_none,
-  warnings_error,
+  warnings_midrule_values,
   warnings_yacc,
-  warnings_all
+  warnings_all,
+  warnings_error
 };
 
 ARGMATCH_VERIFY (warnings_args, warnings_types);
@@ -472,7 +474,10 @@ getargs (int argc, char *argv[])
        break;
 
       case 'W':
-       FLAGS_ARGMATCH (warnings, optarg);
+       if (optarg)
+         FLAGS_ARGMATCH (warnings, optarg);
+       else
+         warnings_flag |= warnings_all;
        break;
 
       case LOCATIONS_OPTION: