Bump package/config to 2.6.36-rc1

The goal is to be able to use savedefconfig to generate minimal
defconfig files.

Four of our patches are removed since the modifications have been
merged upstream. The new nconf configuration utility has appeared.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

1 files changed, 131 insertions, 91 deletions

diff --git a/package/config/conf.c b/package/config/conf.c
index 2485dcd5e..2449ca001 100644
--- a/package/config/conf.c
+++ b/package/config/conf.c
@@ -10,6 +10,7 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#include <getopt.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 
@@ -19,16 +20,21 @@
 static void conf(struct menu *menu);
 static void check_conf(struct menu *menu);
 
-enum {
-	ask_all,
-	ask_new,
-	ask_silent,
-	set_default,
-	set_yes,
-	set_mod,
-	set_no,
-	set_random
-} input_mode = ask_all;
+enum input_mode {
+	oldaskconfig,
+	silentoldconfig,
+	oldconfig,
+	allnoconfig,
+	allyesconfig,
+	allmodconfig,
+	alldefconfig,
+	randconfig,
+	defconfig,
+	savedefconfig,
+	listnewconfig,
+	oldnoconfig,
+} input_mode = oldaskconfig;
+
 char *defconfig_file;
 
 static int indent = 1;
@@ -38,14 +44,14 @@ static int conf_cnt;
 static char line[128];
 static struct menu *rootEntry;
 
-static char nohelp_text[] = N_("Sorry, no help available for this option yet.\n");
-
-static const char *get_help(struct menu *menu)
+static void print_help(struct menu *menu)
 {
-	if (menu_has_help(menu))
-		return _(menu_get_help(menu));
-	else
-		return nohelp_text;
+	struct gstr help = str_new();
+
+	menu_get_ext_help(menu, &help);
+
+	printf("\n%s\n", str_get(&help));
+	str_free(&help);
 }
 
 static void strip(char *str)
@@ -93,16 +99,16 @@ static int conf_askvalue(struct symbol *sym, const char *def)
 	}
 
 	switch (input_mode) {
-	case ask_new:
-	case ask_silent:
+	case oldconfig:
+	case silentoldconfig:
 		if (sym_has_value(sym)) {
 			printf("%s\n", def);
 			return 0;
 		}
 		check_stdin();
-	case ask_all:
+	case oldaskconfig:
 		fflush(stdout);
-		fgets(line, 128, stdin);
+		xfgets(line, 128, stdin);
 		return 1;
 	default:
 		break;
@@ -121,7 +127,7 @@ static int conf_askvalue(struct symbol *sym, const char *def)
 	return 1;
 }
 
-int conf_string(struct menu *menu)
+static int conf_string(struct menu *menu)
 {
 	struct symbol *sym = menu->sym;
 	const char *def;
@@ -140,7 +146,7 @@ int conf_string(struct menu *menu)
 		case '?':
 			/* print help */
 			if (line[1] == '\n') {
-				printf("\n%s\n", get_help(menu));
+				print_help(menu);
 				def = NULL;
 				break;
 			}
@@ -156,14 +162,12 @@ int conf_string(struct menu *menu)
 static int conf_sym(struct menu *menu)
 {
 	struct symbol *sym = menu->sym;
-	int type;
 	tristate oldval, newval;
 
 	while (1) {
 		printf("%*s%s ", indent - 1, "", _(menu->prompt->text));
 		if (sym->name)
 			printf("(%s) ", sym->name);
-		type = sym_get_type(sym);
 		putchar('[');
 		oldval = sym_get_tristate_value(sym);
 		switch (oldval) {
@@ -220,7 +224,7 @@ static int conf_sym(struct menu *menu)
 		if (sym_set_tristate_value(sym, newval))
 			return 0;
 help:
-		printf("\n%s\n", get_help(menu));
+		print_help(menu);
 	}
 }
 
@@ -228,11 +232,9 @@ static int conf_choice(struct menu *menu)
 {
 	struct symbol *sym, *def_sym;
 	struct menu *child;
-	int type;
 	bool is_new;
 
 	sym = menu->sym;
-	type = sym_get_type(sym);
 	is_new = !sym_has_value(sym);
 	if (sym_is_changable(sym)) {
 		conf_sym(menu);
@@ -294,20 +296,20 @@ static int conf_choice(struct menu *menu)
 			printf("?");
 		printf("]: ");
 		switch (input_mode) {
-		case ask_new:
-		case ask_silent:
+		case oldconfig:
+		case silentoldconfig:
 			if (!is_new) {
 				cnt = def;
 				printf("%d\n", cnt);
 				break;
 			}
 			check_stdin();
-		case ask_all:
+		case oldaskconfig:
 			fflush(stdout);
-			fgets(line, 128, stdin);
+			xfgets(line, 128, stdin);
 			strip(line);
 			if (line[0] == '?') {
-				printf("\n%s\n", get_help(menu));
+				print_help(menu);
 				continue;
 			}
 			if (!line[0])
@@ -331,7 +333,7 @@ static int conf_choice(struct menu *menu)
 		if (!child)
 			continue;
 		if (line[strlen(line) - 1] == '?') {
-			printf("\n%s\n", get_help(child));
+			print_help(child);
 			continue;
 		}
 		sym_set_choice_value(sym, child->sym);
@@ -360,7 +362,10 @@ static void conf(struct menu *menu)
 
 		switch (prop->type) {
 		case P_MENU:
-			if (input_mode == ask_silent && rootEntry != menu) {
+			if ((input_mode == silentoldconfig ||
+			     input_mode == listnewconfig ||
+			     input_mode == oldnoconfig) &&
+			    rootEntry != menu) {
 				check_conf(menu);
 				return;
 			}
@@ -418,10 +423,16 @@ 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 (!conf_cnt++)
-				printf(_("*\n* Restart config...\n*\n"));
-			rootEntry = menu_get_parent_menu(menu);
-			conf(rootEntry);
+			if (input_mode == listnewconfig) {
+				if (sym->name && !sym_is_choice_value(sym)) {
+					printf("CONFIG_%s\n", sym->name);
+				}
+			} else {
+				if (!conf_cnt++)
+					printf(_("*\n* Restart config...\n*\n"));
+				rootEntry = menu_get_parent_menu(menu);
+				conf(rootEntry);
+			}
 		}
 	}
 
@@ -429,6 +440,22 @@ static void check_conf(struct menu *menu)
 		check_conf(child);
 }
 
+static struct option long_opts[] = {
+	{"oldaskconfig",    no_argument,       NULL, oldaskconfig},
+	{"oldconfig",       no_argument,       NULL, oldconfig},
+	{"silentoldconfig", no_argument,       NULL, silentoldconfig},
+	{"defconfig",       optional_argument, NULL, defconfig},
+	{"savedefconfig",   required_argument, NULL, savedefconfig},
+	{"allnoconfig",     no_argument,       NULL, allnoconfig},
+	{"allyesconfig",    no_argument,       NULL, allyesconfig},
+	{"allmodconfig",    no_argument,       NULL, allmodconfig},
+	{"alldefconfig",    no_argument,       NULL, alldefconfig},
+	{"randconfig",      no_argument,       NULL, randconfig},
+	{"listnewconfig",   no_argument,       NULL, listnewconfig},
+	{"oldnoconfig",     no_argument,       NULL, oldnoconfig},
+	{NULL, 0, NULL, 0}
+};
+
 int main(int ac, char **av)
 {
 	int opt;
@@ -439,32 +466,17 @@ int main(int ac, char **av)
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 
-	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
+	while ((opt = getopt_long_only(ac, av, "", long_opts, NULL)) != -1) {
+		input_mode = (enum input_mode)opt;
 		switch (opt) {
-		case 'o':
-			input_mode = ask_silent;
-			break;
-		case 's':
-			input_mode = ask_silent;
+		case silentoldconfig:
 			sync_kconfig = 1;
 			break;
-		case 'd':
-			input_mode = set_default;
-			break;
-		case 'D':
-			input_mode = set_default;
+		case defconfig:
+		case savedefconfig:
 			defconfig_file = optarg;
 			break;
-		case 'n':
-			input_mode = set_no;
-			break;
-		case 'm':
-			input_mode = set_mod;
-			break;
-		case 'y':
-			input_mode = set_yes;
-			break;
-		case 'r':
+		case randconfig:
 		{
 			struct timeval now;
 			unsigned int seed;
@@ -477,17 +489,12 @@ int main(int ac, char **av)
 
 			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
 			srand(seed);
-
-			input_mode = set_random;
 			break;
 		}
-		case 'h':
-			printf(_("See README for usage info\n"));
-			exit(0);
-			break;
-		default:
+		case '?':
 			fprintf(stderr, _("See README for usage info\n"));
 			exit(1);
+			break;
 		}
 	}
 	if (ac == optind) {
@@ -500,7 +507,7 @@ int main(int ac, char **av)
 		name = conf_get_configname();
 		if (stat(name, &tmpstat)) {
 			fprintf(stderr, _("***\n"
-				"*** You have not yet configured Buildroot!\n"
+				"*** You have not yet configured your Buildroot!\n"
 				"*** (missing .config file \"%s\")\n"
 				"***\n"
 				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
@@ -511,7 +518,7 @@ int main(int ac, char **av)
 	}
 
 	switch (input_mode) {
-	case set_default:
+	case defconfig:
 		if (!defconfig_file)
 			defconfig_file = conf_get_default_confname();
 		if (conf_read(defconfig_file)) {
@@ -521,25 +528,32 @@ int main(int ac, char **av)
 			exit(1);
 		}
 		break;
-	case ask_silent:
-	case ask_all:
-	case ask_new:
+	case savedefconfig:
+		conf_read(NULL);
+		break;
+	case silentoldconfig:
+	case oldaskconfig:
+	case oldconfig:
+	case listnewconfig:
+	case oldnoconfig:
 		conf_read(NULL);
 		break;
-	case set_no:
-	case set_mod:
-	case set_yes:
-	case set_random:
+	case allnoconfig:
+	case allyesconfig:
+	case allmodconfig:
+	case alldefconfig:
+	case randconfig:
 		name = getenv("KCONFIG_ALLCONFIG");
 		if (name && !stat(name, &tmpstat)) {
 			conf_read_simple(name, S_DEF_USER);
 			break;
 		}
 		switch (input_mode) {
-		case set_no:	 name = "allno.config"; break;
-		case set_mod:	 name = "allmod.config"; break;
-		case set_yes:	 name = "allyes.config"; break;
-		case set_random: name = "allrandom.config"; break;
+		case allnoconfig:	name = "allno.config"; break;
+		case allyesconfig:	name = "allyes.config"; break;
+		case allmodconfig:	name = "allmod.config"; break;
+		case alldefconfig:	name = "alldef.config"; break;
+		case randconfig:	name = "allrandom.config"; break;
 		default: break;
 		}
 		if (!stat(name, &tmpstat))
@@ -564,33 +578,42 @@ int main(int ac, char **av)
 	}
 
 	switch (input_mode) {
-	case set_no:
+	case allnoconfig:
 		conf_set_all_new_symbols(def_no);
 		break;
-	case set_yes:
+	case allyesconfig:
 		conf_set_all_new_symbols(def_yes);
 		break;
-	case set_mod:
+	case allmodconfig:
 		conf_set_all_new_symbols(def_mod);
 		break;
-	case set_random:
+	case alldefconfig:
+		conf_set_all_new_symbols(def_default);
+		break;
+	case randconfig:
 		conf_set_all_new_symbols(def_random);
 		break;
-	case set_default:
+	case defconfig:
 		conf_set_all_new_symbols(def_default);
 		break;
-	case ask_new:
-	case ask_all:
+	case savedefconfig:
+		break;
+	case oldaskconfig:
 		rootEntry = &rootmenu;
 		conf(&rootmenu);
-		input_mode = ask_silent;
+		input_mode = silentoldconfig;
 		/* fall through */
-	case ask_silent:
+	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);
+		} while (conf_cnt &&
+			 (input_mode != listnewconfig &&
+			  input_mode != oldnoconfig));
 		break;
 	}
 
@@ -606,7 +629,13 @@ int main(int ac, char **av)
 			fprintf(stderr, _("\n*** Error during update of the Buildroot configuration.\n\n"));
 			return 1;
 		}
-	} else {
+	} else if (input_mode == savedefconfig) {
+		if (conf_write_defconfig(defconfig_file)) {
+			fprintf(stderr, _("n*** Error while saving defconfig to: %s\n\n"),
+			        defconfig_file);
+			return 1;
+		}
+	} else if (input_mode != listnewconfig) {
 		if (conf_write(NULL)) {
 			fprintf(stderr, _("\n*** Error during writing of the Buildroot configuration.\n\n"));
 			exit(1);
@@ -618,3 +647,14 @@ int main(int ac, char **av)
 	}
 	return 0;
 }
+/*
+ * Helper function to facilitate fgets() by Jean Sacren.
+ */
+void xfgets(str, size, in)
+	char *str;
+	int size;
+	FILE *in;
+{
+	if (fgets(str, size, in) == NULL)
+		fprintf(stderr, "\nError in reading or end of file.\n");
+}