diff options
Diffstat (limited to 'scripts/kconfig')
| -rw-r--r-- | scripts/kconfig/expr.h | 2 | ||||
| -rw-r--r-- | scripts/kconfig/menu.c | 5 | ||||
| -rw-r--r-- | scripts/kconfig/symbol.c | 18 |
3 files changed, 25 insertions, 0 deletions
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index 891cd9ce9ba2..75a31e4552f3 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -83,6 +83,7 @@ struct symbol { tristate visible; int flags; struct property *prop; + struct expr_value dir_dep; struct expr_value rev_dep; }; @@ -163,6 +164,7 @@ struct menu { struct symbol *sym; struct property *prompt; struct expr *dep; + struct expr *dir_dep; unsigned int flags; char *help; struct file *file; diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index eef17bacb6bc..11799894f3bd 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -105,6 +105,7 @@ static struct expr *menu_check_dep(struct expr *e) void menu_add_dep(struct expr *dep) { current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep)); + current_entry->dir_dep = current_entry->dep; } void menu_set_type(int type) @@ -288,6 +289,10 @@ void menu_finalize(struct menu *parent) for (menu = parent->list; menu; menu = menu->next) menu_finalize(menu); } else if (sym) { + /* ignore inherited dependencies for dir_dep */ + sym->dir_dep.expr = expr_transform(expr_copy(parent->dir_dep)); + sym->dir_dep.expr = expr_eliminate_dups(sym->dir_dep.expr); + basedep = parent->prompt ? parent->prompt->visible.expr : NULL; basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); basedep = expr_eliminate_dups(expr_transform(basedep)); diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c index 2e7a048e0cfc..174b230a52b0 100644 --- a/scripts/kconfig/symbol.c +++ b/scripts/kconfig/symbol.c @@ -205,6 +205,16 @@ static void sym_calc_visibility(struct symbol *sym) } if (sym_is_choice_value(sym)) return; + /* defaulting to "yes" if no explicit "depends on" are given */ + tri = yes; + if (sym->dir_dep.expr) + tri = expr_calc_value(sym->dir_dep.expr); + if (tri == mod) + tri = yes; + if (sym->dir_dep.tri != tri) { + sym->dir_dep.tri = tri; + sym_set_changed(sym); + } tri = no; if (sym->rev_dep.expr) tri = expr_calc_value(sym->rev_dep.expr); @@ -321,6 +331,14 @@ void sym_calc_value(struct symbol *sym) } } calc_newval: + if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) { + fprintf(stderr, "warning: ("); + expr_fprint(sym->rev_dep.expr, stderr); + fprintf(stderr, ") selects %s which has unmet direct dependencies (", + sym->name); + expr_fprint(sym->dir_dep.expr, stderr); + fprintf(stderr, ")\n"); + } newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri); } if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN) |