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kconfig: tristate choices with mixed tristate and boolean values 

Change kconfig behavior so that mixing bool and tristate config settings in
a choice is possible and has the desired effect of offering just the
tristate options individually if the choice gets set to M, and a normal
boolean selection if the choice gets set to Y.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Jan Beulich 2007-10-02 13:46:49 -07:00 committed by Sam Ravnborg
parent 7747f96f02
commit a5bf3d891a
1 changed files with 26 additions and 9 deletions
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35
scripts/kconfig/menu.c
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@ -235,16 +235,23 @@ void menu_finalize(struct menu *parent)
sym = parent->sym;
if (parent->list) {
if (sym && sym_is_choice(sym)) {
/* find the first choice value and find out choice type */
/* find out choice type */
enum symbol_type type = S_UNKNOWN;
for (menu = parent->list; menu; menu = menu->next) {
if (menu->sym) {
current_entry = parent;
menu_set_type(menu->sym->type);
current_entry = menu;
menu_set_type(sym->type);
break;
if (menu->sym && menu->sym->type != S_UNKNOWN) {
if (type == S_UNKNOWN)
type = menu->sym->type;
if (type != S_BOOLEAN)
break;
if (menu->sym->type == S_TRISTATE) {
type = S_TRISTATE;
break;
}
}
}
current_entry = parent;
menu_set_type(type);
parentdep = expr_alloc_symbol(sym);
} else if (parent->prompt)
parentdep = parent->prompt->visible.expr;
@ -253,7 +260,16 @@ void menu_finalize(struct menu *parent)
for (menu = parent->list; menu; menu = menu->next) {
basedep = expr_transform(menu->dep);
basedep = expr_alloc_and(expr_copy(parentdep), basedep);
dep = parentdep;
if (sym && sym_is_choice(sym) && menu->sym) {
enum symbol_type type = menu->sym->type;
if (type == S_UNKNOWN)
type = sym->type;
if (type != S_TRISTATE)
dep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
}
basedep = expr_alloc_and(expr_copy(dep), basedep);
basedep = expr_eliminate_dups(basedep);
menu->dep = basedep;
if (menu->sym)
@ -326,7 +342,8 @@ void menu_finalize(struct menu *parent)
"values not supported");
}
current_entry = menu;
menu_set_type(sym->type);
if (menu->sym->type == S_UNKNOWN)
menu_set_type(sym->type);
menu_add_symbol(P_CHOICE, sym, NULL);
prop = sym_get_choice_prop(sym);
for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)