[kernel/2.6.32] refresh patches

[openwrt.git] / scripts / config / symbol.c

diff --git a/scripts/config/symbol.c b/scripts/config/symbol.c
index b79d81a..49bb254 100644 (file)
--- a/scripts/config/symbol.c
+++ b/scripts/config/symbol.c
@@ -56,7 +56,6 @@ void sym_init(void)
 
        sym = sym_lookup("ARCH", 0);
        sym->type = S_STRING;
-       sym->flags |= SYMBOL_AUTO;
        p = getenv("ARCH");
        if (p)
                sym_add_default(sym, p);
@@ -197,6 +196,7 @@ static void sym_calc_visibility(struct symbol *sym)
 {
        struct property *prop;
        tristate tri;
+       int deselected = 0;
 
        /* any prompt visible? */
        tri = no;
@@ -204,18 +204,17 @@ static void sym_calc_visibility(struct symbol *sym)
                prop->visible.tri = expr_calc_value(prop->visible.expr);
                tri = E_OR(tri, prop->visible.tri);
        }
-/* tristate always enabled */
-#if 0
-       if (tri == mod && (sym->type != S_TRISTATE || modules_val == no))
-#else
        if (tri == mod && (sym->type != S_TRISTATE))
-#endif
                tri = yes;
+       if (sym->rev_dep_inv.expr && (expr_calc_value(sym->rev_dep_inv.expr) == yes)) {
+               tri = no;
+               deselected = 1;
+       }
        if (sym->visible != tri) {
                sym->visible = tri;
                sym_set_changed(sym);
        }
-       if (sym_is_choice_value(sym))
+       if (sym_is_choice_value(sym) || deselected)
                return;
        tri = no;
        if (sym->rev_dep.expr)
@@ -267,6 +266,26 @@ static struct symbol *sym_calc_choice(struct symbol *sym)
        return NULL;
 }
 
+void sym_set_changed(struct symbol *sym)
+{
+       struct property *prop;
+
+       sym->flags |= SYMBOL_CHANGED;
+       for (prop = sym->prop; prop; prop = prop->next) {
+               if (prop->menu)
+                       prop->menu->flags |= MENU_CHANGED;
+       }
+}
+
+void sym_set_all_changed(void)
+{
+       struct symbol *sym;
+       int i;
+
+       for_all_symbols(i, sym)
+               sym_set_changed(sym);
+}
+
 void sym_calc_value(struct symbol *sym)
 {
        struct symbol_value newval, oldval;
@@ -311,6 +330,8 @@ void sym_calc_value(struct symbol *sym)
                if (sym_is_choice_value(sym) && sym->visible == yes) {
                        prop = sym_get_choice_prop(sym);
                        newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no;
+               } else if (sym->rev_dep_inv.expr && (expr_calc_value(sym->rev_dep_inv.expr) == yes)) {
+                       newval.tri = no;
                } else if (E_OR(sym->visible, sym->rev_dep.tri) != no) {
                        sym->flags |= SYMBOL_WRITE;
                        if (sym_has_value(sym))
@@ -360,11 +381,14 @@ void sym_calc_value(struct symbol *sym)
                sym->curr.val = sym_calc_choice(sym);
        sym_validate_range(sym);
 
-       if (memcmp(&oldval, &sym->curr, sizeof(oldval)))
+       if (memcmp(&oldval, &sym->curr, sizeof(oldval))) {
+               sym->flags &= ~SYMBOL_VALID;
                sym_set_changed(sym);
-
-       if (modules_sym == sym)
-               modules_val = modules_sym->curr.tri;
+               if (modules_sym == sym) {
+                       sym_set_all_changed();
+                       modules_val = modules_sym->curr.tri;
+               }
+       }
 
        if (sym_is_choice(sym)) {
                int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
@@ -375,6 +399,9 @@ void sym_calc_value(struct symbol *sym)
                                sym_set_changed(e->right.sym);
                }
        }
+
+       if (sym->flags & SYMBOL_AUTO)
+               sym->flags &= ~SYMBOL_WRITE;
 }
 
 void sym_clear_all_valid(void)
@@ -389,26 +416,6 @@ void sym_clear_all_valid(void)
                sym_calc_value(modules_sym);
 }
 
-void sym_set_changed(struct symbol *sym)
-{
-       struct property *prop;
-
-       sym->flags |= SYMBOL_CHANGED;
-       for (prop = sym->prop; prop; prop = prop->next) {
-               if (prop->menu)
-                       prop->menu->flags |= MENU_CHANGED;
-       }
-}
-
-void sym_set_all_changed(void)
-{
-       struct symbol *sym;
-       int i;
-
-       for_all_symbols(i, sym)
-               sym_set_changed(sym);
-}
-
 bool sym_tristate_within_range(struct symbol *sym, tristate val)
 {
        int type = sym_get_type(sym);
@@ -460,8 +467,6 @@ bool sym_set_tristate_value(struct symbol *sym, tristate val)
        sym->user.tri = val;
        if (oldval != val) {
                sym_clear_all_valid();
-               if (sym == modules_sym)
-                       sym_set_all_changed();
        }
 
        return true;
@@ -754,6 +759,7 @@ struct symbol **sym_re_search(const char *pattern)
                                return NULL;
                        }
                }
+               sym_calc_value(sym);
                sym_arr[cnt++] = sym;
        }
        if (sym_arr)
@@ -814,7 +820,7 @@ struct symbol *sym_check_deps(struct symbol *sym)
                goto out;
 
        for (prop = sym->prop; prop; prop = prop->next) {
-               if (prop->type == P_CHOICE || prop->type == P_SELECT)
+               if (prop->type == P_CHOICE || prop->type == P_SELECT || prop->type == P_DESELECT)
                        continue;
                sym2 = sym_check_expr_deps(prop->visible.expr);
                if (sym2)
@@ -882,6 +888,8 @@ const char *prop_get_type_name(enum prop_type type)
                return "choice";
        case P_SELECT:
                return "select";
+       case P_DESELECT:
+               return "deselect";
        case P_RANGE:
                return "range";
        case P_UNKNOWN: