If the KBUILD_VERBOSE environment variable is set to non-zero, show
the default values of new symbols and not just their names.
Based on work by Bastian Blank <waldi@xxxxxxxxxx> and
maximilian attems <max@xxxxxxx>.
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
scripts/kconfig/conf.c | 90 +++++++++++++++++++++++++++++++++++++++-----
scripts/kconfig/confdata.c | 1 +
scripts/kconfig/expr.h | 2 +
3 files changed, 83 insertions(+), 10 deletions(-)
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 5459a38..6d37d5c 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -363,7 +363,6 @@ static void conf(struct menu *menu)
switch (prop->type) {
case P_MENU:
if ((input_mode == silentoldconfig ||
- input_mode == listnewconfig ||
input_mode == oldnoconfig) &&
rootEntry != menu) {
check_conf(menu);
@@ -423,11 +422,7 @@ static void check_conf(struct menu *menu)
if (sym && !sym_has_value(sym)) {
if (sym_is_changable(sym) ||
(sym_is_choice(sym) && sym_get_tristate_value(sym) == yes)) {
- if (input_mode == listnewconfig) {
- if (sym->name && !sym_is_choice_value(sym)) {
- printf("%s%s\n", CONFIG_, sym->name);
- }
- } else if (input_mode != oldnoconfig) {
+ if (input_mode != oldnoconfig) {
if (!conf_cnt++)
printf(_("*\n* Restart config...\n*\n"));
rootEntry = menu_get_parent_menu(menu);
@@ -440,6 +435,78 @@ static void check_conf(struct menu *menu)
check_conf(child);
}
+static void report_conf(struct menu *menu, bool verbose)
+{
+ struct symbol *sym;
+ struct menu *child;
+ int l;
+ const char *str;
+
+ if (!menu_is_visible(menu))
+ return;
+
+ if (verbose && menu == &rootmenu) {
+ printf("\n#\n"
+ "# Changes:\n"
+ "#\n");
+ }
+
+ sym = menu->sym;
+ if (sym && (sym->flags & SYMBOL_NEW) &&
+ sym_is_changable(sym) && sym->name && !sym_is_choice_value(sym)) {
+ if (verbose) {
+ switch (sym->type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ switch (sym_get_tristate_value(sym)) {
+ case no:
+ printf("# CONFIG_%s is not set\n", sym->name);
+ break;
+ case mod:
+ printf("CONFIG_%s=m\n", sym->name);
+ break;
+ case yes:
+ printf("CONFIG_%s=y\n", sym->name);
+ break;
+ }
+ break;
+ case S_STRING:
+ str = sym_get_string_value(sym);
+ printf("CONFIG_%s=\"", sym->name);
+ while (1) {
+ l = strcspn(str, "\"\\");
+ if (l) {
+ fwrite(str, l, 1, stdout);
+ str += l;
+ }
+ if (!*str)
+ break;
+ printf("\\%c", *str++);
+ }
+ fputs("\"\n", stdout);
+ break;
+ case S_HEX:
+ str = sym_get_string_value(sym);
+ if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
+ printf("CONFIG_%s=%s\n", sym->name, str);
+ break;
+ }
+ case S_INT:
+ str = sym_get_string_value(sym);
+ printf("CONFIG_%s=%s\n", sym->name, str);
+ break;
+ default:
+ break;
+ }
+ } else {
+ printf("CONFIG_%s\n", sym->name);
+ }
+ }
+
+ for (child = menu->list; child; child = child->next)
+ report_conf(child, verbose);
+}
+
static struct option long_opts[] = {
{"oldaskconfig", no_argument, NULL, oldaskconfig},
{"oldconfig", no_argument, NULL, oldconfig},
@@ -460,6 +527,7 @@ int main(int ac, char **av)
{
int opt;
const char *name;
+ const char *value;
struct stat tmpstat;
setlocale(LC_ALL, "");
@@ -604,16 +672,18 @@ int main(int ac, char **av)
input_mode = silentoldconfig;
/* fall through */
case oldconfig:
- case listnewconfig:
case oldnoconfig:
case silentoldconfig:
/* Update until a loop caused no more changes */
do {
conf_cnt = 0;
check_conf(&rootmenu);
- } while (conf_cnt &&
- (input_mode != listnewconfig &&
- input_mode != oldnoconfig));
+ } while (conf_cnt && input_mode != oldnoconfig);
+ break;
+ case listnewconfig:
+ conf_set_all_new_symbols(def_default);
+ value = getenv("KBUILD_VERBOSE");
+ report_conf(&rootmenu, value && atoi(value));
break;
}
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index c06f150..3682ef5 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -1009,6 +1009,7 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
for_all_symbols(i, sym) {
if (sym_has_value(sym))
continue;
+ sym->flags |= SYMBOL_NEW;
switch (sym_get_type(sym)) {
case S_BOOLEAN:
case S_TRISTATE:
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 184eb6a..b267933 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -108,6 +108,8 @@ struct symbol {
#define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */
#define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */
+#define SYMBOL_NEW 0x100000 /* symbol is new (loaded config did not provide a value) */
+
#define SYMBOL_MAXLENGTH 256
#define SYMBOL_HASHSIZE 9973
--
1.7.2.3
--
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