kconfig: handle comment entries within choice/endchoice

Implement support for comment entries within choice groups. Comment entries
are displayed visually distinct from normal configs, and selecting them is
a no-op.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 6841e95c0989..3bcacb4bfd3a 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -732,7 +732,12 @@ static void conf_choice(struct menu *menu)
                 for (child = menu->list; child; child = child->next) {
                         if (!menu_is_visible(child))
                                 continue;
-                        item_make("%s", _(menu_get_prompt(child)));
+                        if (child->sym)
+                                item_make("%s", _(menu_get_prompt(child)));
+                        else {
+                                item_make("*** %s ***", _(menu_get_prompt(child)));
+                                item_set_tag(':');
+                        }
                         item_set_data(child);
                         if (child->sym == active)
                                 item_set_selected(1);
@@ -748,6 +753,9 @@ static void conf_choice(struct menu *menu)
                 case 0:
                         if (selected) {
                                 child = item_data();
+                                if (!child->sym)
+                                        break;
+
                                 sym_set_tristate_value(child->sym, yes);
                         }
                         return;