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-rw-r--r--scripts/kconfig/symbol.c48
-rw-r--r--scripts/kconfig/tests/err_recursive_dep/expected_stderr6
2 files changed, 37 insertions, 17 deletions
diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 90e706096af8..703b9b899ee9 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -1011,7 +1011,7 @@ static struct dep_stack {
struct dep_stack *prev, *next;
struct symbol *sym;
struct property *prop;
- struct expr *expr;
+ struct expr **expr;
} *check_top;
static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)
@@ -1076,31 +1076,42 @@ static void sym_check_print_recursive(struct symbol *last_sym)
fprintf(stderr, "%s:%d:error: recursive dependency detected!\n",
prop->file->name, prop->lineno);
- if (stack->expr) {
- fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
- prop->file->name, prop->lineno,
+ if (sym_is_choice(sym)) {
+ fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
+ menu->file->name, menu->lineno,
+ sym->name ? sym->name : "<choice>",
+ next_sym->name ? next_sym->name : "<choice>");
+ } else if (sym_is_choice_value(sym)) {
+ fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
+ menu->file->name, menu->lineno,
sym->name ? sym->name : "<choice>",
- prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
- } else if (stack->prop) {
+ } else if (stack->expr == &sym->dir_dep.expr) {
fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
- } else if (sym_is_choice(sym)) {
- fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n",
- menu->file->name, menu->lineno,
+ } else if (stack->expr == &sym->rev_dep.expr) {
+ fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n",
+ prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
- } else if (sym_is_choice_value(sym)) {
- fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n",
- menu->file->name, menu->lineno,
+ } else if (stack->expr == &sym->implied.expr) {
+ fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n",
+ prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
next_sym->name ? next_sym->name : "<choice>");
+ } else if (stack->expr) {
+ fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n",
+ prop->file->name, prop->lineno,
+ sym->name ? sym->name : "<choice>",
+ prop_get_type_name(prop->type),
+ next_sym->name ? next_sym->name : "<choice>");
} else {
- fprintf(stderr, "%s:%d:\tsymbol %s is selected or implied by %s\n",
+ fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n",
prop->file->name, prop->lineno,
sym->name ? sym->name : "<choice>",
+ prop_get_type_name(prop->type),
next_sym->name ? next_sym->name : "<choice>");
}
}
@@ -1157,14 +1168,23 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
dep_stack_insert(&stack, sym);
+ stack.expr = &sym->dir_dep.expr;
+ sym2 = sym_check_expr_deps(sym->dir_dep.expr);
+ if (sym2)
+ goto out;
+
+ stack.expr = &sym->rev_dep.expr;
sym2 = sym_check_expr_deps(sym->rev_dep.expr);
if (sym2)
goto out;
+ stack.expr = &sym->implied.expr;
sym2 = sym_check_expr_deps(sym->implied.expr);
if (sym2)
goto out;
+ stack.expr = NULL;
+
for (prop = sym->prop; prop; prop = prop->next) {
if (prop->type == P_CHOICE || prop->type == P_SELECT ||
prop->type == P_IMPLY)
@@ -1175,7 +1195,7 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
break;
if (prop->type != P_DEFAULT || sym_is_choice(sym))
continue;
- stack.expr = prop->expr;
+ stack.expr = &prop->expr;
sym2 = sym_check_expr_deps(prop->expr);
if (sym2)
break;
diff --git a/scripts/kconfig/tests/err_recursive_dep/expected_stderr b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
index 2eb25288db8c..84679b104655 100644
--- a/scripts/kconfig/tests/err_recursive_dep/expected_stderr
+++ b/scripts/kconfig/tests/err_recursive_dep/expected_stderr
@@ -1,5 +1,5 @@
Kconfig:11:error: recursive dependency detected!
-Kconfig:11: symbol B is selected or implied by B
+Kconfig:11: symbol B is selected by B
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
@@ -15,14 +15,14 @@ For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
Kconfig:32:error: recursive dependency detected!
-Kconfig:32: symbol D2 is selected or implied by D1
+Kconfig:32: symbol D2 is selected by D1
Kconfig:27: symbol D1 depends on D2
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"
Kconfig:37:error: recursive dependency detected!
Kconfig:37: symbol E1 depends on E2
-Kconfig:42: symbol E2 is selected or implied by E1
+Kconfig:42: symbol E2 is implied by E1
For a resolution refer to Documentation/kbuild/kconfig-language.txt
subsection "Kconfig recursive dependency limitations"