--- ../gcc-gengtype-01/gengtype.c	2010-08-29 08:16:56.000000000 +0200
+++ gcc/gengtype.c	2010-08-29 08:17:58.000000000 +0200
@@ -163,6 +163,9 @@ char *write_state_filename;
 int do_dump;
 int do_debug;
 
+/* For verbose messages. */
+int verbosity_level;
+
 static outf_p create_file (const char *, const char *);
 
 static const char * get_file_basename (const char *);
@@ -1841,6 +1844,7 @@ static void
 close_output_files (void)
 {
   outf_p of;
+  int nbwrittenfiles = 0;
 
   for (of = output_files; of; of = of->next)
     {
@@ -1854,11 +1858,22 @@ close_output_files (void)
           fatal ("writing output file %s: %s", of->name, xstrerror (errno));
         if (fclose (newfile) != 0)
           fatal ("closing output file %s: %s", of->name, xstrerror (errno));
+	nbwrittenfiles++;
+	if (verbosity_level >= 1)
+	  printf ("gengtype write #%-3d %s\n", nbwrittenfiles, of->name);
+      }
+      else { 
+	/* output file remains unchanged. */
+	if (verbosity_level >= 2)
+	  printf ("gengtype keep %s\n", of->name);
       }
       free(of->buf);
       of->buf = NULL;
       of->bufused = of->buflength = 0;
-    }
+    };
+  
+  if (verbosity_level >= 1)
+    printf ("gengtype wrote %d files.\n", nbwrittenfiles);
 }
 
 struct flist {
@@ -4215,6 +4230,7 @@ static const struct option gengtype_long
 {
     { "help",      no_argument, NULL, 'h' },
     { "version",   no_argument, NULL, 'V' },
+    { "verbose",   no_argument, NULL, 'v' },
     { "dump",      no_argument, NULL, 'd' },
     { "debug",     no_argument, NULL, 'D' },
     { "plugin",    required_argument, NULL, 'P' },
@@ -4231,6 +4247,7 @@ print_usage (void)
 {
     printf ("Usage: %s\n", progname);
     printf ("\t -h | --help  \t# Give this help.\n");
+    printf ("\t -v | --verbose  \t# Increase verbosity. Can be given several times.\n");
     printf ("\t -D | --debug  \t# Lots of debug output to debug gengtype itself.\n");
     printf ("\t -V | --version  \t# Give version information.\n");
     printf ("\t -d | --dump  \t# Dump state for debugging.\n");
@@ -4267,6 +4284,9 @@ parse_program_options (int argc, char**a
 	case 'd': /* --dump */
 	    do_dump = 1;
 	    break;
+	case 'v': /* --verbose */
+	    verbosity_level++;
+	    break;
 	case 'D': /* --debug */
 	    do_debug = 1;
 	    break;
--- ../gcc-gengtype-01/gengtype.h	2010-08-29 08:16:56.000000000 +0200
+++ gcc/gengtype.h	2010-08-29 08:17:58.000000000 +0200
@@ -145,6 +145,9 @@ enum {
 };
 
 
+/* Level for verbose messages, e.g. output file generation... */
+extern int verbosity_level;
+
 /* For debugging purposes of gengtype itself!  */
 extern int do_dump;
 extern int do_debug;