kconfig: update from linux-next

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>

20 files changed, 1808 insertions, 1050 deletions

diff --git a/kconfig/check-gettext.sh b/kconfig/check.sh
index fa59cbf9..fa59cbf9 100644
--- a/kconfig/check-gettext.sh
+++ b/kconfig/check.sh
diff --git a/kconfig/conf.c b/kconfig/conf.c
index cded872d..60bdf448 100644
--- a/kconfig/conf.c
+++ b/kconfig/conf.c
@@ -10,7 +10,9 @@
 #include <string.h>
 #include <time.h>
 #include <unistd.h>
+#include <getopt.h>
 #include <sys/stat.h>
+#include <sys/time.h>
 
 #define LKC_DIRECT_LINK
 #include "lkc.h"
@@ -18,16 +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;
@@ -37,14 +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)
@@ -92,16 +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;
@@ -120,7 +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;
@@ -139,7 +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;
 			}
@@ -155,14 +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) {
@@ -219,7 +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);
 	}
 }
 
@@ -227,11 +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);
@@ -293,20 +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])
@@ -329,8 +332,8 @@ static int conf_choice(struct menu *menu)
 		}
 		if (!child)
 			continue;
-		if (line[strlen(line) - 1] == '?') {
-			printf("\n%s\n", get_help(child));
+		if (line[0] && line[strlen(line) - 1] == '?') {
+			print_help(child);
 			continue;
 		}
 		sym_set_choice_value(sym, child->sym);
@@ -359,7 +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;
 			}
@@ -417,10 +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("%s%s\n", CONFIG_, sym->name);
+				}
+			} else if (input_mode != oldnoconfig) {
+				if (!conf_cnt++)
+					printf(_("*\n* Restart config...\n*\n"));
+				rootEntry = menu_get_parent_menu(menu);
+				conf(rootEntry);
+			}
 		}
 	}
 
@@ -428,6 +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;
@@ -438,42 +466,35 @@ int main(int ac, char **av)
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
 
-	while ((opt = getopt(ac, av, "osdD:nmyrh")) != -1) {
+	while ((opt = getopt_long(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':
-			input_mode = set_random;
-			srand(time(NULL));
-			break;
-		case 'h':
-			printf(_("See README for usage info\n"));
-			exit(0);
+		case randconfig:
+		{
+			struct timeval now;
+			unsigned int seed;
+
+			/*
+			 * Use microseconds derived seed,
+			 * compensate for systems where it may be zero
+			 */
+			gettimeofday(&now, NULL);
+
+			seed = (unsigned int)((now.tv_sec + 1) * (now.tv_usec + 1));
+			srand(seed);
 			break;
-		default:
+		}
+		case '?':
 			fprintf(stderr, _("See README for usage info\n"));
 			exit(1);
+			break;
 		}
 	}
 	if (ac == optind) {
@@ -484,16 +505,20 @@ int main(int ac, char **av)
 	conf_parse(name);
 	//zconfdump(stdout);
 	if (sync_kconfig) {
-		if (stat(".config", &tmpstat)) {
+		name = conf_get_configname();
+		if (stat(name, &tmpstat)) {
 			fprintf(stderr, _("***\n"
-				"*** Please run some configurator (e.g. \"make menuconfig\").\n"
-				"***\n"));
+				"*** Configuration file \"%s\" not found!\n"
+				"***\n"
+				"*** Please run some configurator (e.g. \"make oldconfig\" or\n"
+				"*** \"make menuconfig\" or \"make xconfig\").\n"
+				"***\n"), name);
 			exit(1);
 		}
 	}
 
 	switch (input_mode) {
-	case set_default:
+	case defconfig:
 		if (!defconfig_file)
 			defconfig_file = conf_get_default_confname();
 		if (conf_read(defconfig_file)) {
@@ -503,25 +528,30 @@ int main(int ac, char **av)
 			exit(1);
 		}
 		break;
-	case ask_silent:
-	case ask_all:
-	case ask_new:
+	case savedefconfig:
+	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))
@@ -538,7 +568,7 @@ int main(int ac, char **av)
 			name = getenv("KCONFIG_NOSILENTUPDATE");
 			if (name && *name) {
 				fprintf(stderr,
-					_("\n*** Configuration requires explicit update.\n\n"));
+					_("\n*** The configuration requires explicit update.\n\n"));
 				return 1;
 			}
 		}
@@ -546,33 +576,42 @@ 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;
 	}
 
@@ -584,7 +623,14 @@ int main(int ac, char **av)
 			fprintf(stderr, _("\n*** Error during writing of the configuration.\n\n"));
 			exit(1);
 		}
-	} else {
+		/* In crosstool-NG, we do not use the autoconf stuff */
+	} 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 configuration.\n\n"));
 			exit(1);
@@ -592,3 +638,14 @@ 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");
+}
diff --git a/kconfig/confdata.c b/kconfig/confdata.c
index 36e5fdbc..834eecb0 100644
--- a/kconfig/confdata.c
+++ b/kconfig/confdata.c
@@ -5,6 +5,7 @@
 
 #include <sys/stat.h>
 #include <ctype.h>
+#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -18,6 +19,9 @@
 static void conf_warning(const char *fmt, ...)
 	__attribute__ ((format (printf, 1, 2)));
 
+static void conf_message(const char *fmt, ...)
+	__attribute__ ((format (printf, 1, 2)));
+
 static const char *conf_filename;
 static int conf_lineno, conf_warnings, conf_unsaved;
 
@@ -34,6 +38,29 @@ static void conf_warning(const char *fmt, ...)
 	conf_warnings++;
 }
 
+static void conf_default_message_callback(const char *fmt, va_list ap)
+{
+	printf("#\n# ");
+	vprintf(fmt, ap);
+	printf("\n#\n");
+}
+
+static void (*conf_message_callback) (const char *fmt, va_list ap) =
+	conf_default_message_callback;
+void conf_set_message_callback(void (*fn) (const char *fmt, va_list ap))
+{
+	conf_message_callback = fn;
+}
+
+static void conf_message(const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	if (conf_message_callback)
+		conf_message_callback(fmt, ap);
+}
+
 const char *conf_get_configname(void)
 {
 	char *name = getenv("KCONFIG_CONFIG");
@@ -41,6 +68,13 @@ const char *conf_get_configname(void)
 	return name ? name : ".config";
 }
 
+const char *conf_get_autoconfig_name(void)
+{
+	char *name = getenv("KCONFIG_AUTOCONFIG");
+
+	return name ? name : "include/config/auto.conf";
+}
+
 static char *conf_expand_value(const char *in)
 {
 	struct symbol *sym;
@@ -163,8 +197,11 @@ int conf_read_simple(const char *name, int def)
 		if (in)
 			goto load;
 		sym_add_change_count(1);
-		if (!sym_defconfig_list)
+		if (!sym_defconfig_list) {
+			if (modules_sym)
+				sym_calc_value(modules_sym);
 			return 1;
+		}
 
 		for_all_defaults(sym_defconfig_list, prop) {
 			if (expr_calc_value(prop->visible.expr) == no ||
@@ -173,9 +210,8 @@ int conf_read_simple(const char *name, int def)
 			name = conf_expand_value(prop->expr->left.sym->name);
 			in = zconf_fopen(name);
 			if (in) {
-				printf(_("#\n"
-					 "# using defaults found in %s\n"
-					 "#\n"), name);
+				conf_message(_("using defaults found in %s"),
+					 name);
 				goto load;
 			}
 		}
@@ -210,24 +246,23 @@ load:
 	while (fgets(line, sizeof(line), in)) {
 		conf_lineno++;
 		sym = NULL;
-		switch (line[0]) {
-		case '#':
-			if (memcmp(line + 2, "CT_", 3))
+		if (line[0] == '#') {
+			if (memcmp(line + 2, CONFIG_, strlen(CONFIG_)))
 				continue;
-			p = strchr(line + 5, ' ');
+			p = strchr(line + 2 + strlen(CONFIG_), ' ');
 			if (!p)
 				continue;
 			*p++ = 0;
 			if (strncmp(p, "is not set", 10))
 				continue;
 			if (def == S_DEF_USER) {
-				sym = sym_find(line + 5);
+				sym = sym_find(line + 2 + strlen(CONFIG_));
 				if (!sym) {
 					sym_add_change_count(1);
-					break;
+					goto setsym;
 				}
 			} else {
-				sym = sym_lookup(line + 5, 0);
+				sym = sym_lookup(line + 2 + strlen(CONFIG_), 0);
 				if (sym->type == S_UNKNOWN)
 					sym->type = S_BOOLEAN;
 			}
@@ -243,13 +278,8 @@ load:
 			default:
 				;
 			}
-			break;
-		case 'C':
-			if (memcmp(line, "CT_", 3)) {
-				conf_warning("unexpected data");
-				continue;
-			}
-			p = strchr(line + 3, '=');
+		} else if (memcmp(line, CONFIG_, strlen(CONFIG_)) == 0) {
+			p = strchr(line + strlen(CONFIG_), '=');
 			if (!p)
 				continue;
 			*p++ = 0;
@@ -260,13 +290,13 @@ load:
 					*p2 = 0;
 			}
 			if (def == S_DEF_USER) {
-				sym = sym_find(line + 3);
+				sym = sym_find(line + strlen(CONFIG_));
 				if (!sym) {
 					sym_add_change_count(1);
-					break;
+					goto setsym;
 				}
 			} else {
-				sym = sym_lookup(line + 3, 0);
+				sym = sym_lookup(line + strlen(CONFIG_), 0);
 				if (sym->type == S_UNKNOWN)
 					sym->type = S_OTHER;
 			}
@@ -275,14 +305,12 @@ load:
 			}
 			if (conf_set_sym_val(sym, def, def_flags, p))
 				continue;
-			break;
-		case '\r':
-		case '\n':
-			break;
-		default:
-			conf_warning("unexpected data");
+		} else {
+			if (line[0] != '\r' && line[0] != '\n')
+				conf_warning("unexpected data");
 			continue;
 		}
+setsym:
 		if (sym && sym_is_choice_value(sym)) {
 			struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
 			switch (sym->def[def].tri) {
@@ -389,15 +417,149 @@ int conf_read(const char *name)
 	return 0;
 }
 
+/* Write a S_STRING */
+static void conf_write_string(bool headerfile, const char *name,
+                              const char *str, FILE *out)
+{
+	int l;
+	if (headerfile)
+		fprintf(out, "#define %s%s \"", CONFIG_, name);
+	else
+		fprintf(out, "%s%s=\"", CONFIG_, name);
+
+	while (1) {
+		l = strcspn(str, "\"\\");
+		if (l) {
+			xfwrite(str, l, 1, out);
+			str += l;
+		}
+		if (!*str)
+			break;
+		fprintf(out, "\\%c", *str++);
+	}
+	fputs("\"\n", out);
+}
+
+static void conf_write_symbol(struct symbol *sym, FILE *out, bool write_no)
+{
+	const char *str;
+
+	switch (sym->type) {
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		switch (sym_get_tristate_value(sym)) {
+		case no:
+			if (write_no)
+				fprintf(out, "# %s%s is not set\n",
+				    CONFIG_, sym->name);
+			break;
+		case mod:
+			fprintf(out, "%s%s=m\n", CONFIG_, sym->name);
+			break;
+		case yes:
+			fprintf(out, "%s%s=y\n", CONFIG_, sym->name);
+			break;
+		}
+		break;
+	case S_STRING:
+		conf_write_string(false, sym->name, sym_get_string_value(sym), out);
+		break;
+	case S_HEX:
+	case S_INT:
+		str = sym_get_string_value(sym);
+		fprintf(out, "%s%s=%s\n", CONFIG_, sym->name, str);
+		break;
+	case S_OTHER:
+	case S_UNKNOWN:
+		break;
+	}
+}
+
+/*
+ * Write out a minimal config.
+ * All values that has default values are skipped as this is redundant.
+ */
+int conf_write_defconfig(const char *filename)
+{
+	struct symbol *sym;
+	struct menu *menu;
+	FILE *out;
+
+	out = fopen(filename, "w");
+	if (!out)
+		return 1;
+
+	sym_clear_all_valid();
+
+	/* Traverse all menus to find all relevant symbols */
+	menu = rootmenu.list;
+
+	while (menu != NULL)
+	{
+		sym = menu->sym;
+		if (sym == NULL) {
+			if (!menu_is_visible(menu))
+				goto next_menu;
+		} else if (!sym_is_choice(sym)) {
+			sym_calc_value(sym);
+			if (!(sym->flags & SYMBOL_WRITE))
+				goto next_menu;
+			sym->flags &= ~SYMBOL_WRITE;
+			/* If we cannot change the symbol - skip */
+			if (!sym_is_changable(sym))
+				goto next_menu;
+			/* If symbol equals to default value - skip */
+			if (strcmp(sym_get_string_value(sym), sym_get_string_default(sym)) == 0)
+				goto next_menu;
+
+			/*
+			 * If symbol is a choice value and equals to the
+			 * default for a choice - skip.
+			 * But only if value is bool and equal to "y" and
+			 * choice is not "optional".
+			 * (If choice is "optional" then all values can be "n")
+			 */
+			if (sym_is_choice_value(sym)) {
+				struct symbol *cs;
+				struct symbol *ds;
+
+				cs = prop_get_symbol(sym_get_choice_prop(sym));
+				ds = sym_choice_default(cs);
+				if (!sym_is_optional(cs) && sym == ds) {
+					if ((sym->type == S_BOOLEAN) &&
+					    sym_get_tristate_value(sym) == yes)
+						goto next_menu;
+				}
+			}
+			conf_write_symbol(sym, out, true);
+		}
+next_menu:
+		if (menu->list != NULL) {
+			menu = menu->list;
+		}
+		else if (menu->next != NULL) {
+			menu = menu->next;
+		} else {
+			while ((menu = menu->parent)) {
+				if (menu->next != NULL) {
+					menu = menu->next;
+					break;
+				}
+			}
+		}
+	}
+	fclose(out);
+	return 0;
+}
+
 int conf_write(const char *name)
 {
 	FILE *out;
 	struct symbol *sym;
 	struct menu *menu;
 	const char *basename;
-	char dirname[128], tmpname[128], newname[128];
-	int type, l;
 	const char *str;
+	char dirname[PATH_MAX+1], tmpname[PATH_MAX+1], newname[PATH_MAX+1];
 	time_t now;
 	int use_timestamp = 1;
 	char *env;
@@ -436,8 +598,6 @@ int conf_write(const char *name)
 	if (!out)
 		return 1;
 
-	sym = sym_lookup("PROJECTVERSION", 0);
-	sym_calc_value(sym);
 	time(&now);
 	env = getenv("KCONFIG_NOTIMESTAMP");
 	if (env && *env)
@@ -445,10 +605,10 @@ int conf_write(const char *name)
 
 	fprintf(out, _("#\n"
 		       "# Automatically generated make config: don't edit\n"
-		       "# " PACKAGE " version: %s\n"
+		       "# %s\n"
 		       "%s%s"
 		       "#\n"),
-		     sym_get_string_value(sym),
+		     rootmenu.prompt->text,
 		     use_timestamp ? "# " : "",
 		     use_timestamp ? ctime(&now) : "");
 
@@ -471,56 +631,11 @@ int conf_write(const char *name)
 			if (!(sym->flags & SYMBOL_WRITE))
 				goto next;
 			sym->flags &= ~SYMBOL_WRITE;
-			type = sym->type;
-			if (type == S_TRISTATE) {
-				sym_calc_value(modules_sym);
-				if (modules_sym->curr.tri == no)
-					type = S_BOOLEAN;
-			}
-			switch (type) {
-			case S_BOOLEAN:
-			case S_TRISTATE:
-				switch (sym_get_tristate_value(sym)) {
-				case no:
-					fprintf(out, "# CT_%s is not set\n", sym->name);
-					break;
-				case mod:
-					fprintf(out, "CT_%s=m\n", sym->name);
-					break;
-				case yes:
-					fprintf(out, "CT_%s=y\n", sym->name);
-					break;
-				}
-				break;
-			case S_STRING:
-				str = sym_get_string_value(sym);
-				fprintf(out, "CT_%s=\"", sym->name);
-				while (1) {
-					l = strcspn(str, "\"\\");
-					if (l) {
-						fwrite(str, l, 1, out);
-						str += l;
-					}
-					if (!*str)
-						break;
-					fprintf(out, "\\%c", *str++);
-				}
-				fputs("\"\n", out);
-				break;
-			case S_HEX:
-				str = sym_get_string_value(sym);
-				if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-					fprintf(out, "CT_%s=%s\n", sym->name, str);
-					break;
-				}
-			case S_INT:
-				str = sym_get_string_value(sym);
-				fprintf(out, "CT_%s=%s\n", sym->name, str);
-				break;
-			}
+			/* Write config symbol to file */
+			conf_write_symbol(sym, out, true);
 		}
 
-	next:
+next:
 		if (menu->list) {
 			menu = menu->list;
 			continue;
@@ -544,22 +659,23 @@ int conf_write(const char *name)
 			return 1;
 	}
 
+	conf_message(_("configuration written to %s"), newname);
+
 	sym_set_change_count(0);
 
 	return 0;
 }
 
-int conf_split_config(void)
+static int conf_split_config(void)
 {
-	char *name, path[128];
+	const char *name;
+	char path[PATH_MAX+1];
 	char *s, *d, c;
 	struct symbol *sym;
 	struct stat sb;
 	int res, i, fd;
 
-	name = getenv("KCONFIG_AUTOCONFIG");
-	if (!name)
-		name = "include/config/auto.conf";
+	name = conf_get_autoconfig_name();
 	conf_read_simple(name, S_DEF_AUTO);
 
 	if (chdir("include/config"))
@@ -666,10 +782,9 @@ int conf_write_autoconf(void)
 {
 	struct symbol *sym;
 	const char *str;
-	char *name;
-	FILE *out, *out_h;
-	time_t now;
-	int i, l;
+	const char *name;
+	FILE *out, *tristate, *out_h;
+	int i;
 
 	sym_clear_all_valid();
 
@@ -682,33 +797,42 @@ int conf_write_autoconf(void)
 	if (!out)
 		return 1;
 
+	tristate = fopen(".tmpconfig_tristate", "w");
+	if (!tristate) {
+		fclose(out);
+		return 1;
+	}
+
 	out_h = fopen(".tmpconfig.h", "w");
 	if (!out_h) {
 		fclose(out);
+		fclose(tristate);
 		return 1;
 	}
 
-	sym = sym_lookup("PROJECTVERSION", 0);
-	sym_calc_value(sym);
-	time(&now);
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
-		     "# " PACKAGE " version: %s\n"
-		     "# %s"
+		     "# %s\n"
 		     "#\n",
-		     sym_get_string_value(sym), ctime(&now));
+		     rootmenu.prompt->text);
+	fprintf(tristate, "#\n"
+			  "# Automatically generated - do not edit\n"
+			  "\n");
 	fprintf(out_h, "/*\n"
 		       " * Automatically generated C config: don't edit\n"
-		       " * " PACKAGE " version: %s\n"
-		       " * %s"
-		       " */\n"
-		       "#define AUTOCONF_INCLUDED\n",
-		       sym_get_string_value(sym), ctime(&now));
+		       " * %s\n"
+		       " */\n",
+		       rootmenu.prompt->text);
 
 	for_all_symbols(i, sym) {
 		sym_calc_value(sym);
 		if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
 			continue;
+
+		/* write symbol to config file */
+		conf_write_symbol(sym, out, false);
+
+		/* update autoconf and tristate files */
 		switch (sym->type) {
 		case S_BOOLEAN:
 		case S_TRISTATE:
@@ -716,62 +840,54 @@ int conf_write_autoconf(void)
 			case no:
 				break;
 			case mod:
-				fprintf(out, "CT_%s=m\n", sym->name);
-				fprintf(out_h, "#define CT_%s_MODULE 1\n", sym->name);
+				fprintf(tristate, "%s%s=M\n",
+				    CONFIG_, sym->name);
+				fprintf(out_h, "#define %s%s_MODULE 1\n",
+				    CONFIG_, sym->name);
 				break;
 			case yes:
-				fprintf(out, "CT_%s=y\n", sym->name);
-				fprintf(out_h, "#define CT_%s 1\n", sym->name);
+				if (sym->type == S_TRISTATE)
+					fprintf(tristate,"%s%s=Y\n",
+					    CONFIG_, sym->name);
+				fprintf(out_h, "#define %s%s 1\n",
+				    CONFIG_, sym->name);
 				break;
 			}
 			break;
 		case S_STRING:
-			str = sym_get_string_value(sym);
-			fprintf(out, "CT_%s=\"", sym->name);
-			fprintf(out_h, "#define CT_%s \"", sym->name);
-			while (1) {
-				l = strcspn(str, "\"\\");
-				if (l) {
-					fwrite(str, l, 1, out);
-					fwrite(str, l, 1, out_h);
-					str += l;
-				}
-				if (!*str)
-					break;
-				fprintf(out, "\\%c", *str);
-				fprintf(out_h, "\\%c", *str);
-				str++;
-			}
-			fputs("\"\n", out);
-			fputs("\"\n", out_h);
+			conf_write_string(true, sym->name, sym_get_string_value(sym), out_h);
 			break;
 		case S_HEX:
 			str = sym_get_string_value(sym);
 			if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
-				fprintf(out, "CT_%s=%s\n", sym->name, str);
-				fprintf(out_h, "#define CT_%s 0x%s\n", sym->name, str);
+				fprintf(out_h, "#define %s%s 0x%s\n",
+				    CONFIG_, sym->name, str);
 				break;
 			}
 		case S_INT:
 			str = sym_get_string_value(sym);
-			fprintf(out, "CT_%s=%s\n", sym->name, str);
-			fprintf(out_h, "#define CT_%s %s\n", sym->name, str);
+			fprintf(out_h, "#define %s%s %s\n",
+			    CONFIG_, sym->name, str);
 			break;
 		default:
 			break;
 		}
 	}
 	fclose(out);
+	fclose(tristate);
 	fclose(out_h);
 
 	name = getenv("KCONFIG_AUTOHEADER");
 	if (!name)
-		name = "include/linux/autoconf.h";
+		name = "include/generated/autoconf.h";
 	if (rename(".tmpconfig.h", name))
 		return 1;
-	name = getenv("KCONFIG_AUTOCONFIG");
+	name = getenv("KCONFIG_TRISTATE");
 	if (!name)
-		name = "include/config/auto.conf";
+		name = "include/config/tristate.conf";
+	if (rename(".tmpconfig_tristate", name))
+		return 1;
+	name = conf_get_autoconfig_name();
 	/*
 	 * This must be the last step, kbuild has a dependency on auto.conf
 	 * and this marks the successful completion of the previous steps.
@@ -809,13 +925,73 @@ void conf_set_changed_callback(void (*fn)(void))
 	conf_changed_callback = fn;
 }
 
+static void randomize_choice_values(struct symbol *csym)
+{
+	struct property *prop;
+	struct symbol *sym;
+	struct expr *e;
+	int cnt, def;
 
-void conf_set_all_new_symbols(enum conf_def_mode mode)
+	/*
+	 * If choice is mod then we may have more items selected
+	 * and if no then no-one.
+	 * In both cases stop.
+	 */
+	if (csym->curr.tri != yes)
+		return;
+
+	prop = sym_get_choice_prop(csym);
+
+	/* count entries in choice block */
+	cnt = 0;
+	expr_list_for_each_sym(prop->expr, e, sym)
+		cnt++;
+
+	/*
+	 * find a random value and set it to yes,
+	 * set the rest to no so we have only one set
+	 */
+	def = (rand() % cnt);
+
+	cnt = 0;
+	expr_list_for_each_sym(prop->expr, e, sym) {
+		if (def == cnt++) {
+			sym->def[S_DEF_USER].tri = yes;
+			csym->def[S_DEF_USER].val = sym;
+		}
+		else {
+			sym->def[S_DEF_USER].tri = no;
+		}
+	}
+	csym->flags |= SYMBOL_DEF_USER;
+	/* clear VALID to get value calculated */
+	csym->flags &= ~(SYMBOL_VALID);
+}
+
+static void set_all_choice_values(struct symbol *csym)
 {
-	struct symbol *sym, *csym;
 	struct property *prop;
+	struct symbol *sym;
 	struct expr *e;
-	int i, cnt, def;
+
+	prop = sym_get_choice_prop(csym);
+
+	/*
+	 * Set all non-assinged choice values to no
+	 */
+	expr_list_for_each_sym(prop->expr, e, sym) {
+		if (!sym_has_value(sym))
+			sym->def[S_DEF_USER].tri = no;
+	}
+	csym->flags |= SYMBOL_DEF_USER;
+	/* clear VALID to get value calculated */
+	csym->flags &= ~(SYMBOL_VALID);
+}
+
+void conf_set_all_new_symbols(enum conf_def_mode mode)
+{
+	struct symbol *sym, *csym;
+	int i, cnt;
 
 	for_all_symbols(i, sym) {
 		if (sym_has_value(sym))
@@ -834,12 +1010,13 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
 				sym->def[S_DEF_USER].tri = no;
 				break;
 			case def_random:
-				sym->def[S_DEF_USER].tri = (tristate)(rand() % 3);
+				cnt = sym_get_type(sym) == S_TRISTATE ? 3 : 2;
+				sym->def[S_DEF_USER].tri = (tristate)(rand() % cnt);
 				break;
 			default:
 				continue;
 			}
-			if (!sym_is_choice(sym) || mode != def_random)
+			if (!(sym_is_choice(sym) && mode == def_random))
 				sym->flags |= SYMBOL_DEF_USER;
 			break;
 		default:
@@ -850,30 +1027,23 @@ void conf_set_all_new_symbols(enum conf_def_mode mode)
 
 	sym_clear_all_valid();
 
-	if (mode != def_random)
-		return;
-
+	/*
+	 * We have different type of choice blocks.
+	 * If curr.tri equals to mod then we can select several
+	 * choice symbols in one block.
+	 * In this case we do nothing.
+	 * If curr.tri equals yes then only one symbol can be
+	 * selected in a choice block and we set it to yes,
+	 * and the rest to no.
+	 */
 	for_all_symbols(i, csym) {
 		if (sym_has_value(csym) || !sym_is_choice(csym))
 			continue;
 
 		sym_calc_value(csym);
-		prop = sym_get_choice_prop(csym);
-		def = -1;
-		while (1) {
-			cnt = 0;
-			expr_list_for_each_sym(prop->expr, e, sym) {
-				if (sym->visible == no)
-					continue;
-				if (def == cnt++) {
-					csym->def[S_DEF_USER].val = sym;
-					break;
-				}
-			}
-			if (def >= 0 || cnt < 2)
-				break;
-			def = (rand() % cnt) + 1;
-		}
-		csym->flags |= SYMBOL_DEF_USER;
+		if (mode == def_random)
+			randomize_choice_values(csym);
+		else
+			set_all_choice_values(csym);
 	}
 }
diff --git a/kconfig/expr.c b/kconfig/expr.c
index 579ece4f..00100345 100644
--- a/kconfig/expr.c
+++ b/kconfig/expr.c
@@ -64,7 +64,7 @@ struct expr *expr_alloc_or(struct expr *e1, struct expr *e2)
 	return e2 ? expr_alloc_two(E_OR, e1, e2) : e1;
 }
 
-struct expr *expr_copy(struct expr *org)
+struct expr *expr_copy(const struct expr *org)
 {
 	struct expr *e;
 
@@ -348,7 +348,7 @@ struct expr *expr_trans_bool(struct expr *e)
 /*
  * e1 || e2 -> ?
  */
-struct expr *expr_join_or(struct expr *e1, struct expr *e2)
+static struct expr *expr_join_or(struct expr *e1, struct expr *e2)
 {
 	struct expr *tmp;
 	struct symbol *sym1, *sym2;
@@ -412,7 +412,7 @@ struct expr *expr_join_or(struct expr *e1, struct expr *e2)
 	return NULL;
 }
 
-struct expr *expr_join_and(struct expr *e1, struct expr *e2)
+static struct expr *expr_join_and(struct expr *e1, struct expr *e2)
 {
 	struct expr *tmp;
 	struct symbol *sym1, *sym2;
@@ -1013,6 +1013,48 @@ int expr_compare_type(enum expr_type t1, enum expr_type t2)
 #endif
 }
 
+static inline struct expr *
+expr_get_leftmost_symbol(const struct expr *e)
+{
+
+	if (e == NULL)
+		return NULL;
+
+	while (e->type != E_SYMBOL)
+		e = e->left.expr;
+
+	return expr_copy(e);
+}
+
+/*
+ * Given expression `e1' and `e2', returns the leaf of the longest
+ * sub-expression of `e1' not containing 'e2.
+ */
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2)
+{
+	struct expr *ret;
+
+	switch (e1->type) {
+	case E_OR:
+		return expr_alloc_and(
+		    expr_simplify_unmet_dep(e1->left.expr, e2),
+		    expr_simplify_unmet_dep(e1->right.expr, e2));
+	case E_AND: {
+		struct expr *e;
+		e = expr_alloc_and(expr_copy(e1), expr_copy(e2));
+		e = expr_eliminate_dups(e);
+		ret = (!expr_eq(e, e1)) ? e1 : NULL;
+		expr_free(e);
+		break;
+		}
+	default:
+		ret = e1;
+		break;
+	}
+
+	return expr_get_leftmost_symbol(ret);
+}
+
 void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *), void *data, int prevtoken)
 {
 	if (!e) {
@@ -1087,7 +1129,7 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *
 
 static void expr_print_file_helper(void *data, struct symbol *sym, const char *str)
 {
-	fwrite(str, strlen(str), 1, data);
+	xfwrite(str, strlen(str), 1, data);
 }
 
 void expr_fprint(struct expr *e, FILE *out)
@@ -1097,7 +1139,32 @@ void expr_fprint(struct expr *e, FILE *out)
 
 static void expr_print_gstr_helper(void *data, struct symbol *sym, const char *str)
 {
-	str_append((struct gstr*)data, str);
+	struct gstr *gs = (struct gstr*)data;
+	const char *sym_str = NULL;
+
+	if (sym)
+		sym_str = sym_get_string_value(sym);
+
+	if (gs->max_width) {
+		unsigned extra_length = strlen(str);
+		const char *last_cr = strrchr(gs->s, '\n');
+		unsigned last_line_length;
+
+		if (sym_str)
+			extra_length += 4 + strlen(sym_str);
+
+		if (!last_cr)
+			last_cr = gs->s;
+
+		last_line_length = strlen(gs->s) - (last_cr - gs->s);
+
+		if ((last_line_length + extra_length) > gs->max_width)
+			str_append(gs, "\\\n");
+	}
+
+	str_append(gs, str);
+	if (sym && sym->type != S_UNKNOWN)
+		str_printf(gs, " [=%s]", sym_str);
 }
 
 void expr_gstr_print(struct expr *e, struct gstr *gs)
diff --git a/kconfig/expr.h b/kconfig/expr.h
index 6408fefa..16bfae2d 100644
--- a/kconfig/expr.h
+++ b/kconfig/expr.h
@@ -18,14 +18,10 @@ extern "C" {
 struct file {
 	struct file *next;
 	struct file *parent;
-	char *name;
+	const char *name;
 	int lineno;
-	int flags;
 };
 
-#define FILE_BUSY		0x0001
-#define FILE_SCANNED		0x0002
-
 typedef enum tristate {
 	no, mod, yes
 } tristate;
@@ -83,10 +79,11 @@ struct symbol {
 	tristate visible;
 	int flags;
 	struct property *prop;
+	struct expr_value dir_dep;
 	struct expr_value rev_dep;
 };
 
-#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
+#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
 
 #define SYMBOL_CONST      0x0001  /* symbol is const */
 #define SYMBOL_CHECK      0x0008  /* used during dependency checking */
@@ -108,8 +105,7 @@ struct symbol {
 #define SYMBOL_DEF4       0x80000  /* symbol.def[S_DEF_4] is valid */
 
 #define SYMBOL_MAXLENGTH	256
-#define SYMBOL_HASHSIZE		257
-#define SYMBOL_HASHMASK		0xff
+#define SYMBOL_HASHSIZE		9973
 
 /* A property represent the config options that can be associated
  * with a config "symbol".
@@ -132,6 +128,7 @@ enum prop_type {
 	P_SELECT,   /* select BAR */
 	P_RANGE,    /* range 7..100 (for a symbol) */
 	P_ENV,      /* value from environment variable */
+	P_SYMBOL,   /* where a symbol is defined */
 };
 
 struct property {
@@ -163,6 +160,7 @@ struct menu {
 	struct menu *list;
 	struct symbol *sym;
 	struct property *prompt;
+	struct expr *visibility;
 	struct expr *dep;
 	unsigned int flags;
 	char *help;
@@ -190,7 +188,7 @@ struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e
 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
 struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
 struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
-struct expr *expr_copy(struct expr *org);
+struct expr *expr_copy(const struct expr *org);
 void expr_free(struct expr *e);
 int expr_eq(struct expr *e1, struct expr *e2);
 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
@@ -205,6 +203,7 @@ struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
 struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
 void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
 struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
+struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2);
 
 void expr_fprint(struct expr *e, FILE *out);
 struct gstr; /* forward */
diff --git a/kconfig/kconfig.mk b/kconfig/kconfig.mk
index be8e517f..9c2cb7a9 100644
--- a/kconfig/kconfig.mk
+++ b/kconfig/kconfig.mk
@@ -22,7 +22,7 @@ menuconfig: $(obj)/mconf
 
 oldconfig: $(obj)/conf .config
 	@$(ECHO) "  CONF  $(KCONFIG_TOP)"
-	$(SILENT)$< -s $(KCONFIG_TOP)
+	$(SILENT)$< --silent$@ $(KCONFIG_TOP)
 
 # Always be silent, the stdout an be >.config
 extractconfig:
@@ -61,11 +61,11 @@ HOST_CC ?= gcc -funsigned-char
 HOST_LD ?= gcc
 
 # Helpers
-check_gettext = $(CT_LIB_DIR)/kconfig/check-gettext.sh
+check_gettext = $(CT_LIB_DIR)/kconfig/check.sh
 check_lxdialog = $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh
 
 # Build flags
-CFLAGS =
+CFLAGS = -DCONFIG_=\"CT_\" -DPACKAGE=\"crosstool-NG\"
 LDFLAGS =
 
 # Compiler flags to use gettext
diff --git a/kconfig/lex.zconf.c b/kconfig/lex.zconf.c
index dc3e8180..d9182916 100644
--- a/kconfig/lex.zconf.c
+++ b/kconfig/lex.zconf.c
@@ -160,7 +160,15 @@ typedef unsigned int flex_uint32_t;
 
 /* Size of default input buffer. */
 #ifndef YY_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k.
+ * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
+ * Ditto for the __ia64__ case accordingly.
+ */
+#define YY_BUF_SIZE 32768
+#else
 #define YY_BUF_SIZE 16384
+#endif /* __ia64__ */
 #endif
 
 /* The state buf must be large enough to hold one state per character in the main buffer.
@@ -802,7 +810,7 @@ static int last_ts, first_ts;
 static void zconf_endhelp(void);
 static void zconf_endfile(void);
 
-void new_string(void)
+static void new_string(void)
 {
 	text = malloc(START_STRSIZE);
 	text_asize = START_STRSIZE;
@@ -810,7 +818,7 @@ void new_string(void)
 	*text = 0;
 }
 
-void append_string(const char *str, int size)
+static void append_string(const char *str, int size)
 {
 	int new_size = text_size + size + 1;
 	if (new_size > text_asize) {
@@ -824,7 +832,7 @@ void append_string(const char *str, int size)
 	text[text_size] = 0;
 }
 
-void alloc_string(const char *str, int size)
+static void alloc_string(const char *str, int size)
 {
 	text = malloc(size + 1);
 	memcpy(text, str, size);
@@ -914,7 +922,12 @@ static int input (void );
 
 /* Amount of stuff to slurp up with each read. */
 #ifndef YY_READ_BUF_SIZE
+#ifdef __ia64__
+/* On IA-64, the buffer size is 16k, not 8k */
+#define YY_READ_BUF_SIZE 16384
+#else
 #define YY_READ_BUF_SIZE 8192
+#endif /* __ia64__ */
 #endif
 
 /* Copy whatever the last rule matched to the standard output. */
@@ -922,7 +935,7 @@ static int input (void );
 /* This used to be an fputs(), but since the string might contain NUL's,
  * we now use fwrite().
  */
-#define ECHO fwrite( zconftext, zconfleng, 1, zconfout )
+#define ECHO do { if (fwrite( zconftext, zconfleng, 1, zconfout )) {} } while (0)
 #endif
 
 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
@@ -2060,8 +2073,8 @@ YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr )
 
 /** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
  * scan from a @e copy of @a bytes.
- * @param bytes the byte buffer to scan
- * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * @param yybytes the byte buffer to scan
+ * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
  * 
  * @return the newly allocated buffer state object.
  */
@@ -2350,37 +2363,45 @@ void zconf_initscan(const char *name)
 
 	current_file = file_lookup(name);
 	current_file->lineno = 1;
-	current_file->flags = FILE_BUSY;
 }
 
 void zconf_nextfile(const char *name)
 {
+	struct file *iter;
 	struct file *file = file_lookup(name);
 	struct buffer *buf = malloc(sizeof(*buf));
 	memset(buf, 0, sizeof(*buf));
 
 	current_buf->state = YY_CURRENT_BUFFER;
-	zconfin = zconf_fopen(name);
+	zconfin = zconf_fopen(file->name);
 	if (!zconfin) {
-		printf("%s:%d: can't open file \"%s\"\n", zconf_curname(), zconf_lineno(), name);
+		printf("%s:%d: can't open file \"%s\"\n",
+		    zconf_curname(), zconf_lineno(), file->name);
 		exit(1);
 	}
 	zconf_switch_to_buffer(zconf_create_buffer(zconfin,YY_BUF_SIZE));
 	buf->parent = current_buf;
 	current_buf = buf;
 
-	if (file->flags & FILE_BUSY) {
-		printf("%s:%d: do not source '%s' from itself\n",
-		       zconf_curname(), zconf_lineno(), name);
-		exit(1);
-	}
-	if (file->flags & FILE_SCANNED) {
-		printf("%s:%d: file '%s' is already sourced from '%s'\n",
-		       zconf_curname(), zconf_lineno(), name,
-		       file->parent->name);
-		exit(1);
+	for (iter = current_file->parent; iter; iter = iter->parent ) {
+		if (!strcmp(current_file->name,iter->name) ) {
+			printf("%s:%d: recursive inclusion detected. "
+			       "Inclusion path:\n  current file : '%s'\n",
+			       zconf_curname(), zconf_lineno(),
+			       zconf_curname());
+			iter = current_file->parent;
+			while (iter && \
+			       strcmp(iter->name,current_file->name)) {
+				printf("  included from: '%s:%d'\n",
+				       iter->name, iter->lineno-1);
+				iter = iter->parent;
+			}
+			if (iter)
+				printf("  included from: '%s:%d'\n",
+				       iter->name, iter->lineno+1);
+			exit(1);
+		}
 	}
-	file->flags |= FILE_BUSY;
 	file->lineno = 1;
 	file->parent = current_file;
 	current_file = file;
@@ -2390,8 +2411,6 @@ static void zconf_endfile(void)
 {
 	struct buffer *parent;
 
-	current_file->flags |= FILE_SCANNED;
-	current_file->flags &= ~FILE_BUSY;
 	current_file = current_file->parent;
 
 	parent = current_buf->parent;
@@ -2409,7 +2428,7 @@ int zconf_lineno(void)
 	return current_pos.lineno;
 }
 
-char *zconf_curname(void)
+const char *zconf_curname(void)
 {
 	return current_pos.file ? current_pos.file->name : "<none>";
 }
diff --git a/kconfig/lkc.h b/kconfig/lkc.h
index 2c3ae9bd..febf0c94 100644
--- a/kconfig/lkc.h
+++ b/kconfig/lkc.h
@@ -14,6 +14,7 @@
 static inline const char *gettext(const char *txt) { return txt; }
 static inline void textdomain(const char *domainname) {}
 static inline void bindtextdomain(const char *name, const char *dir) {}
+static inline char *bind_textdomain_codeset(const char *dn, char *c) { return c; }
 #endif
 
 #ifdef __cplusplus
@@ -31,12 +32,18 @@ extern "C" {
 
 #define SRCTREE "srctree"
 
-#define PACKAGE "crosstool-NG"
+#ifndef PACKAGE
+#define PACKAGE "linux"
+#endif
+
 #define LOCALEDIR "/usr/share/locale"
 
 #define _(text) gettext(text)
 #define N_(text) (text)
 
+#ifndef CONFIG_
+#define CONFIG_ "CONFIG_"
+#endif
 
 #define TF_COMMAND	0x0001
 #define TF_PARAM	0x0002
@@ -61,35 +68,49 @@ struct kconf_id {
 	enum symbol_type stype;
 };
 
+#ifdef YYDEBUG
+extern int zconfdebug;
+#endif
+
 int zconfparse(void);
 void zconfdump(FILE *out);
-
-extern int zconfdebug;
 void zconf_starthelp(void);
 FILE *zconf_fopen(const char *name);
 void zconf_initscan(const char *name);
 void zconf_nextfile(const char *name);
 int zconf_lineno(void);
-char *zconf_curname(void);
+const char *zconf_curname(void);
+
+/* conf.c */
+void xfgets(char *str, int size, FILE *in);
 
 /* confdata.c */
 const char *conf_get_configname(void);
+const char *conf_get_autoconfig_name(void);
 char *conf_get_default_confname(void);
 void sym_set_change_count(int count);
 void sym_add_change_count(int count);
 void conf_set_all_new_symbols(enum conf_def_mode mode);
 
+/* confdata.c and expr.c */
+static inline void xfwrite(const void *str, size_t len, size_t count, FILE *out)
+{
+	if (fwrite(str, len, count, out) < count)
+		fprintf(stderr, "\nError in writing or end of file.\n");
+}
+
 /* kconfig_load.c */
 void kconfig_load(void);
 
 /* menu.c */
-void menu_init(void);
+void _menu_init(void);
 void menu_warn(struct menu *menu, const char *fmt, ...);
 struct menu *menu_add_menu(void);
 void menu_end_menu(void);
 void menu_add_entry(struct symbol *sym);
 void menu_end_entry(void);
 void menu_add_dep(struct expr *dep);
+void menu_add_visibility(struct expr *dep);
 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep);
 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep);
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep);
@@ -105,6 +126,11 @@ int file_write_dep(const char *name);
 struct gstr {
 	size_t len;
 	char  *s;
+	/*
+	* when max_width is not zero long lines in string s (if any) get
+	* wrapped not to exceed the max_width value
+	*/
+	int max_width;
 };
 struct gstr str_new(void);
 struct gstr str_assign(const char *s);
@@ -120,6 +146,8 @@ void sym_init(void);
 void sym_clear_all_valid(void);
 void sym_set_all_changed(void);
 void sym_set_changed(struct symbol *sym);
+struct symbol *sym_choice_default(struct symbol *sym);
+const char *sym_get_string_default(struct symbol *sym);
 struct symbol *sym_check_deps(struct symbol *sym);
 struct property *prop_alloc(enum prop_type type, struct symbol *sym);
 struct symbol *prop_get_symbol(struct property *prop);
diff --git a/kconfig/lkc_proto.h b/kconfig/lkc_proto.h
index 8e694613..17342fef 100644
--- a/kconfig/lkc_proto.h
+++ b/kconfig/lkc_proto.h
@@ -1,28 +1,36 @@
+#include <stdarg.h>
 
 /* confdata.c */
 P(conf_parse,void,(const char *name));
 P(conf_read,int,(const char *name));
 P(conf_read_simple,int,(const char *name, int));
+P(conf_write_defconfig,int,(const char *name));
 P(conf_write,int,(const char *name));
 P(conf_write_autoconf,int,(void));
 P(conf_get_changed,bool,(void));
 P(conf_set_changed_callback, void,(void (*fn)(void)));
+P(conf_set_message_callback, void,(void (*fn)(const char *fmt, va_list ap)));
 
 /* menu.c */
 P(rootmenu,struct menu,);
 
-P(menu_is_visible,bool,(struct menu *menu));
+P(menu_is_visible, bool, (struct menu *menu));
+P(menu_has_prompt, bool, (struct menu *menu));
 P(menu_get_prompt,const char *,(struct menu *menu));
 P(menu_get_root_menu,struct menu *,(struct menu *menu));
 P(menu_get_parent_menu,struct menu *,(struct menu *menu));
 P(menu_has_help,bool,(struct menu *menu));
 P(menu_get_help,const char *,(struct menu *menu));
+P(get_symbol_str, void, (struct gstr *r, struct symbol *sym));
+P(get_relations_str, struct gstr, (struct symbol **sym_arr));
+P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help));
 
 /* symbol.c */
 P(symbol_hash,struct symbol *,[SYMBOL_HASHSIZE]);
 
 P(sym_lookup,struct symbol *,(const char *name, int flags));
 P(sym_find,struct symbol *,(const char *name));
+P(sym_expand_string_value,const char *,(const char *in));
 P(sym_re_search,struct symbol **,(const char *pattern));
 P(sym_type_name,const char *,(enum symbol_type type));
 P(sym_calc_value,void,(struct symbol *sym));
diff --git a/kconfig/lxdialog/check-lxdialog.sh b/kconfig/lxdialog/check-lxdialog.sh
index fcef0f59..82cc3a85 100644
--- a/kconfig/lxdialog/check-lxdialog.sh
+++ b/kconfig/lxdialog/check-lxdialog.sh
@@ -23,6 +23,8 @@ ccflags()
 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
 	elif [ -f /usr/include/ncurses/curses.h ]; then
 		echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
+	elif [ -f /usr/include/ncursesw/curses.h ]; then
+		echo '-I/usr/include/ncursesw -DCURSES_LOC="<ncursesw/curses.h>"'
 	elif [ -f /usr/include/ncurses.h ]; then
 		echo '-DCURSES_LOC="<ncurses.h>"'
 	else
diff --git a/kconfig/lxdialog/checklist.c b/kconfig/lxdialog/checklist.c
index b2a878c9..a2eb80fb 100644
--- a/kconfig/lxdialog/checklist.c
+++ b/kconfig/lxdialog/checklist.c
@@ -31,6 +31,10 @@ static int list_width, check_x, item_x;
 static void print_item(WINDOW * win, int choice, int selected)
 {
 	int i;
+	char *list_item = malloc(list_width + 1);
+
+	strncpy(list_item, item_str(), list_width - item_x);
+	list_item[list_width - item_x] = '\0';
 
 	/* Clear 'residue' of last item */
 	wattrset(win, dlg.menubox.atr);
@@ -41,16 +45,18 @@ static void print_item(WINDOW * win, int choice, int selected)
 	wmove(win, choice, check_x);
 	wattrset(win, selected ? dlg.check_selected.atr
 		 : dlg.check.atr);
-	wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');
+	if (!item_is_tag(':'))
+		wprintw(win, "(%c)", item_is_tag('X') ? 'X' : ' ');
 
 	wattrset(win, selected ? dlg.tag_selected.atr : dlg.tag.atr);
-	mvwaddch(win, choice, item_x, item_str()[0]);
+	mvwaddch(win, choice, item_x, list_item[0]);
 	wattrset(win, selected ? dlg.item_selected.atr : dlg.item.atr);
-	waddstr(win, (char *)item_str() + 1);
+	waddstr(win, list_item + 1);
 	if (selected) {
 		wmove(win, choice, check_x + 1);
 		wrefresh(win);
 	}
+	free(list_item);
 }
 
 /*
@@ -174,6 +180,7 @@ do_resize:
 	check_x = 0;
 	item_foreach()
 		check_x = MAX(check_x, strlen(item_str()) + 4);
+	check_x = MIN(check_x, list_width);
 
 	check_x = (list_width - check_x) / 2;
 	item_x = check_x + 4;
diff --git a/kconfig/lxdialog/inputbox.c b/kconfig/lxdialog/inputbox.c
index 616c6013..dd8e587c 100644
--- a/kconfig/lxdialog/inputbox.c
+++ b/kconfig/lxdialog/inputbox.c
@@ -180,7 +180,7 @@ do_resize:
 		case KEY_LEFT:
 			switch (button) {
 			case -1:
-				button = 1;	/* Indicates "Cancel" button is selected */
+				button = 1;	/* Indicates "Help" button is selected */
 				print_buttons(dialog, height, width, 1);
 				break;
 			case 0:
@@ -204,7 +204,7 @@ do_resize:
 				print_buttons(dialog, height, width, 0);
 				break;
 			case 0:
-				button = 1;	/* Indicates "Cancel" button is selected */
+				button = 1;	/* Indicates "Help" button is selected */
 				print_buttons(dialog, height, width, 1);
 				break;
 			case 1:
diff --git a/kconfig/lxdialog/menubox.c b/kconfig/lxdialog/menubox.c
index fa9d633f..1d604738 100644
--- a/kconfig/lxdialog/menubox.c
+++ b/kconfig/lxdialog/menubox.c
@@ -383,6 +383,10 @@ do_resize:
 		case 'n':
 		case 'm':
 		case '/':
+		case 'h':
+		case '?':
+		case 'z':
+		case '\n':
 			/* save scroll info */
 			*s_scroll = scroll;
 			delwin(menu);
@@ -390,8 +394,10 @@ do_resize:
 			item_set(scroll + choice);
 			item_set_selected(1);
 			switch (key) {
+			case 'h':
+			case '?':
+				return 2;
 			case 's':
-				return 3;
 			case 'y':
 				return 3;
 			case 'n':
@@ -402,18 +408,12 @@ do_resize:
 				return 6;
 			case '/':
 				return 7;
+			case 'z':
+				return 8;
+			case '\n':
+				return button;
 			}
 			return 0;
-		case 'h':
-		case '?':
-			button = 2;
-		case '\n':
-			*s_scroll = scroll;
-			delwin(menu);
-			delwin(dialog);
-			item_set(scroll + choice);
-			item_set_selected(1);
-			return button;
 		case 'e':
 		case 'x':
 			key = KEY_ESC;
diff --git a/kconfig/lxdialog/util.c b/kconfig/lxdialog/util.c
index 86d95cca..f2375ad7 100644
--- a/kconfig/lxdialog/util.c
+++ b/kconfig/lxdialog/util.c
@@ -19,6 +19,8 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <stdarg.h>
+
 #include "dialog.h"
 
 struct dialog_info dlg;
diff --git a/kconfig/mconf.c b/kconfig/mconf.c
index d196edc9..d433c7a2 100644
--- a/kconfig/mconf.c
+++ b/kconfig/mconf.c
@@ -25,11 +25,9 @@
 static const char mconf_readme[] = N_(
 "Overview\n"
 "--------\n"
-"Some kernel features may be built directly into the kernel.\n"
-"Some may be made into loadable runtime modules.  Some features\n"
-"may be completely removed altogether.  There are also certain\n"
-"kernel parameters which are not really features, but must be\n"
-"entered in as decimal or hexadecimal numbers or possibly text.\n"
+"This interface let you select features and parameters for the build.\n"
+"Features can either be built-in, modularized, or ignored. Parameters\n"
+"must be entered in as decimal or hexadecimal numbers or text.\n"
 "\n"
 "Menu items beginning with following braces represent features that\n"
 "  [ ] can be built in or removed\n"
@@ -67,13 +65,15 @@ static const char mconf_readme[] = N_(
 "             there is a delayed response which you may find annoying.\n"
 "\n"
 "   Also, the <TAB> and cursor keys will cycle between <Select>,\n"
-"   <Exit> and <Help>\n"
+"   <Exit> and <Help>.\n"
 "\n"
 "o  To get help with an item, use the cursor keys to highlight <Help>\n"
-"   and Press <ENTER>.\n"
+"   and press <ENTER>.\n"
 "\n"
 "   Shortcut: Press <H> or <?>.\n"
 "\n"
+"o  To toggle the display of hidden options, press <Z>.\n"
+"\n"
 "\n"
 "Radiolists  (Choice lists)\n"
 "-----------\n"
@@ -115,7 +115,7 @@ static const char mconf_readme[] = N_(
 "-----------------------------\n"
 "Menuconfig supports the use of alternate configuration files for\n"
 "those who, for various reasons, find it necessary to switch\n"
-"between different kernel configurations.\n"
+"between different configurations.\n"
 "\n"
 "At the end of the main menu you will find two options.  One is\n"
 "for saving the current configuration to a file of your choosing.\n"
@@ -148,9 +148,9 @@ static const char mconf_readme[] = N_(
 "\n"
 "Optional personality available\n"
 "------------------------------\n"
-"If you prefer to have all of the kernel options listed in a single\n"
-"menu, rather than the default multimenu hierarchy, run the menuconfig\n"
-"with MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
+"If you prefer to have all of the options listed in a single menu, rather\n"
+"than the default multimenu hierarchy, run the menuconfig with\n"
+"MENUCONFIG_MODE environment variable set to single_menu. Example:\n"
 "\n"
 "make MENUCONFIG_MODE=single_menu menuconfig\n"
 "\n"
@@ -199,30 +199,28 @@ inputbox_instructions_string[] = N_(
 setmod_text[] = N_(
 	"This feature depends on another which has been configured as a module.\n"
 	"As a result, this feature will be built as a module."),
-nohelp_text[] = N_(
-	"There is no help available for this kernel option.\n"),
 load_config_text[] = N_(
 	"Enter the name of the configuration file you wish to load.  "
 	"Accept the name shown to restore the configuration you "
 	"last retrieved.  Leave blank to abort."),
 load_config_help[] = N_(
 	"\n"
-	"For various reasons, one may wish to keep several different kernel\n"
+	"For various reasons, one may wish to keep several different\n"
 	"configurations available on a single machine.\n"
 	"\n"
 	"If you have saved a previous configuration in a file other than the\n"
-	"kernel's default, entering the name of the file here will allow you\n"
-	"to modify that configuration.\n"
+	"default one, entering its name here will allow you to modify that\n"
+	"configuration.\n"
 	"\n"
 	"If you are uncertain, then you have probably never used alternate\n"
-	"configuration files.  You should therefor leave this blank to abort.\n"),
+	"configuration files. You should therefore leave this blank to abort.\n"),
 save_config_text[] = N_(
 	"Enter a filename to which this configuration should be saved "
 	"as an alternate.  Leave blank to abort."),
 save_config_help[] = N_(
 	"\n"
-	"For various reasons, one may wish to keep different kernel\n"
-	"configurations available on a single machine.\n"
+	"For various reasons, one may wish to keep different configurations\n"
+	"available on a single machine.\n"
 	"\n"
 	"Entering a file name here will allow you to later retrieve, modify\n"
 	"and use the current configuration as an alternate to whatever\n"
@@ -232,7 +230,7 @@ save_config_help[] = N_(
 	"leave this blank.\n"),
 search_help[] = N_(
 	"\n"
-	"Search for CT_ symbols and display their relations.\n"
+	"Search for symbols and display their relations.\n"
 	"Regular expressions are allowed.\n"
 	"Example: search for \"^FOO\"\n"
 	"Result:\n"
@@ -249,7 +247,7 @@ search_help[] = N_(
 	"Selected by: BAR\n"
 	"-----------------------------------------------------------------\n"
 	"o The line 'Prompt:' shows the text used in the menu structure for\n"
-	"  this CT_ symbol\n"
+	"  this symbol\n"
 	"o The 'Defined at' line tell at what file / line number the symbol\n"
 	"  is defined\n"
 	"o The 'Depends on:' line tell what symbols needs to be defined for\n"
@@ -265,15 +263,16 @@ search_help[] = N_(
 	"Only relevant lines are shown.\n"
 	"\n\n"
 	"Search examples:\n"
-	"Examples: USB	=> find all CT_ symbols containing USB\n"
-	"          ^USB => find all CT_ symbols starting with USB\n"
-	"          USB$ => find all CT_ symbols ending with USB\n"
+	"Examples: USB	=> find all symbols containing USB\n"
+	"          ^USB => find all symbols starting with USB\n"
+	"          USB$ => find all symbols ending with USB\n"
 	"\n");
 
 static int indent;
 static struct menu *current_menu;
 static int child_count;
 static int single_menu_mode;
+static int show_all_options;
 
 static void conf(struct menu *menu);
 static void conf_choice(struct menu *menu);
@@ -284,91 +283,14 @@ static void show_textbox(const char *title, const char *text, int r, int c);
 static void show_helptext(const char *title, const char *text);
 static void show_help(struct menu *menu);
 
-static void get_prompt_str(struct gstr *r, struct property *prop)
-{
-	int i, j;
-	struct menu *submenu[8], *menu;
-
-	str_printf(r, _("Prompt: %s\n"), _(prop->text));
-	str_printf(r, _("  Defined at %s:%d\n"), prop->menu->file->name,
-		prop->menu->lineno);
-	if (!expr_is_yes(prop->visible.expr)) {
-		str_append(r, _("  Depends on: "));
-		expr_gstr_print(prop->visible.expr, r);
-		str_append(r, "\n");
-	}
-	menu = prop->menu->parent;
-	for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
-		submenu[i++] = menu;
-	if (i > 0) {
-		str_printf(r, _("  Location:\n"));
-		for (j = 4; --i >= 0; j += 2) {
-			menu = submenu[i];
-			str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
-			if (menu->sym) {
-				str_printf(r, " (%s [=%s])", menu->sym->name ?
-					menu->sym->name : _("<choice>"),
-					sym_get_string_value(menu->sym));
-			}
-			str_append(r, "\n");
-		}
-	}
-}
-
-static void get_symbol_str(struct gstr *r, struct symbol *sym)
-{
-	bool hit;
-	struct property *prop;
-
-	if (sym && sym->name)
-		str_printf(r, "Symbol: %s [=%s]\n", sym->name,
-		                                    sym_get_string_value(sym));
-	for_all_prompts(sym, prop)
-		get_prompt_str(r, prop);
-	hit = false;
-	for_all_properties(sym, prop, P_SELECT) {
-		if (!hit) {
-			str_append(r, "  Selects: ");
-			hit = true;
-		} else
-			str_printf(r, " && ");
-		expr_gstr_print(prop->expr, r);
-	}
-	if (hit)
-		str_append(r, "\n");
-	if (sym->rev_dep.expr) {
-		str_append(r, _("  Selected by: "));
-		expr_gstr_print(sym->rev_dep.expr, r);
-		str_append(r, "\n");
-	}
-	str_append(r, "\n\n");
-}
-
-static struct gstr get_relations_str(struct symbol **sym_arr)
-{
-	struct symbol *sym;
-	struct gstr res = str_new();
-	int i;
-
-	for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
-		get_symbol_str(&res, sym);
-	if (!i)
-		str_append(&res, _("No matches found.\n"));
-	return res;
-}
-
 static char filename[PATH_MAX+1];
 static void set_config_filename(const char *config_filename)
 {
 	static char menu_backtitle[PATH_MAX+128];
 	int size;
-	struct symbol *sym;
 
-	sym = sym_lookup("PROJECTVERSION", 0);
-	sym_calc_value(sym);
 	size = snprintf(menu_backtitle, sizeof(menu_backtitle),
-	                _(PACKAGE " v%s Configuration - %s"),
-		        sym_get_string_value(sym), config_filename);
+	                "%s - %s", config_filename, rootmenu.prompt->text);
 	if (size >= sizeof(menu_backtitle))
 		menu_backtitle[sizeof(menu_backtitle)-1] = '\0';
 	set_dialog_backtitle(menu_backtitle);
@@ -388,8 +310,8 @@ static void search_conf(void)
 again:
 	dialog_clear();
 	dres = dialog_inputbox(_("Search Configuration Parameter"),
-			      _("Enter CT_ (sub)string to search for "
-				"(with or without \"CT\")"),
+			      _("Enter " CONFIG_ " (sub)string to search for "
+				"(with or without \"" CONFIG_ "\")"),
 			      10, 75, "");
 	switch (dres) {
 	case 0:
@@ -401,10 +323,10 @@ again:
 		return;
 	}
 
-	/* strip CT_ if necessary */
+	/* strip the prefix if necessary */
 	dialog_input = dialog_input_result;
-	if (strncasecmp(dialog_input_result, "CT_", 3) == 0)
-		dialog_input += 7;
+	if (strncasecmp(dialog_input_result, CONFIG_, strlen(CONFIG_)) == 0)
+		dialog_input += strlen(CONFIG_);
 
 	sym_arr = sym_re_search(dialog_input);
 	res = get_relations_str(sym_arr);
@@ -421,8 +343,16 @@ static void build_conf(struct menu *menu)
 	int type, tmp, doint = 2;
 	tristate val;
 	char ch;
-
-	if (!menu_is_visible(menu))
+	bool visible;
+
+	/*
+	 * note: menu_is_visible() has side effect that it will
+	 * recalc the value of the symbol.
+	 */
+	visible = menu_is_visible(menu);
+	if (show_all_options && !menu_has_prompt(menu))
+		return;
+	else if (!show_all_options && !visible)
 		return;
 
 	sym = menu->sym;
@@ -681,6 +611,9 @@ static void conf(struct menu *menu)
 		case 7:
 			search_conf();
 			break;
+		case 8:
+			show_all_options = !show_all_options;
+			break;
 		}
 	}
 }
@@ -699,19 +632,10 @@ static void show_helptext(const char *title, const char *text)
 static void show_help(struct menu *menu)
 {
 	struct gstr help = str_new();
-	struct symbol *sym = menu->sym;
-
-	if (menu_has_help(menu))
-	{
-		if (sym->name) {
-			str_printf(&help, "CT_%s:\n\n", sym->name);
-			str_append(&help, _(menu_get_help(menu)));
-			str_append(&help, "\n");
-		}
-	} else {
-		str_append(&help, nohelp_text);
-	}
-	get_symbol_str(&help, sym);
+
+	help.max_width = getmaxx(stdscr) - 10;
+	menu_get_ext_help(menu, &help);
+
 	show_helptext(_(menu_get_prompt(menu)), str_get(&help));
 	str_free(&help);
 }
@@ -732,7 +656,12 @@ static void conf_choice(struct menu *menu)
 		for (child = menu->list; child; child = child->next) {
 			if (!menu_is_visible(child))
 				continue;
-			item_make("%s", _(menu_get_prompt(child)));
+			if (child->sym)
+				item_make("%s", _(menu_get_prompt(child)));
+			else {
+				item_make("*** %s ***", _(menu_get_prompt(child)));
+				item_set_tag(':');
+			}
 			item_set_data(child);
 			if (child->sym == active)
 				item_set_selected(1);
@@ -748,6 +677,9 @@ static void conf_choice(struct menu *menu)
 		case 0:
 			if (selected) {
 				child = item_data();
+				if (!child->sym)
+					break;
+
 				sym_set_tristate_value(child->sym, yes);
 			}
 			return;
@@ -880,6 +812,8 @@ int main(int ac, char **av)
 			single_menu_mode = 1;
 	}
 
+	initscr();
+
 	getyx(stdscr, saved_y, saved_x);
 	if (init_dialog(NULL)) {
 		fprintf(stderr, N_("Your display is too small to run Menuconfig!\n"));
@@ -894,7 +828,7 @@ int main(int ac, char **av)
 		if (conf_get_changed())
 			res = dialog_yesno(NULL,
 					   _("Do you wish to save your "
-					     "new " PACKAGE " configuration?\n"
+					     "new configuration?\n"
 					     "<ESC><ESC> to continue."),
 					   6, 60);
 		else
@@ -906,15 +840,21 @@ int main(int ac, char **av)
 	case 0:
 		if (conf_write(filename)) {
 			fprintf(stderr, _("\n\n"
-				"Error during writing of " PACKAGE " configuration.\n"
-				"Your " PACKAGE " configuration changes were NOT saved."
+				"Error while writing of the configuration.\n"
+				"Your configuration changes were NOT saved."
 				"\n\n"));
 			return 1;
 		}
 	case -1:
+		printf(_("\n\n"
+			"*** End of the configuration.\n"
+			"*** Execute 'make' to start the build or try 'make help'."
+			"\n\n"));
 		break;
 	default:
-		fprintf(stderr, _("Your configuration changes were NOT saved.\n"));
+		fprintf(stderr, _("\n\n"
+			"Your configuration changes were NOT saved."
+			"\n\n"));
 	}
 
 	return 0;
diff --git a/kconfig/menu.c b/kconfig/menu.c
index b8113cc4..5fdf10dc 100644
--- a/kconfig/menu.c
+++ b/kconfig/menu.c
@@ -9,6 +9,9 @@
 #define LKC_DIRECT_LINK
 #include "lkc.h"
 
+static const char nohelp_text[] = N_(
+	"There is no help available for this option.\n");
+
 struct menu rootmenu;
 static struct menu **last_entry_ptr;
 
@@ -35,7 +38,7 @@ static void prop_warn(struct property *prop, const char *fmt, ...)
 	va_end(ap);
 }
 
-void menu_init(void)
+void _menu_init(void)
 {
 	current_entry = current_menu = &rootmenu;
 	last_entry_ptr = &rootmenu.list;
@@ -55,6 +58,8 @@ void menu_add_entry(struct symbol *sym)
 	*last_entry_ptr = menu;
 	last_entry_ptr = &menu->next;
 	current_entry = menu;
+	if (sym)
+		menu_add_symbol(P_SYMBOL, sym, NULL);
 }
 
 void menu_end_entry(void)
@@ -74,7 +79,7 @@ void menu_end_menu(void)
 	current_menu = current_menu->parent;
 }
 
-struct expr *menu_check_dep(struct expr *e)
+static struct expr *menu_check_dep(struct expr *e)
 {
 	if (!e)
 		return e;
@@ -128,19 +133,27 @@ struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *e
 	prop->visible.expr = menu_check_dep(dep);
 
 	if (prompt) {
-		/* For crostool-NG, a leading pipe followed with spaces
-		 * means that pipe shall be removed, and the spaces should
-		 * not be trimmed.
-		 */
-		if (*prompt == '|')
-			prompt++;
-		else if (isspace(*prompt)) {
-			/* Silently trim leading spaces */
+		if (isspace(*prompt)) {
+			prop_warn(prop, "leading whitespace ignored");
 			while (isspace(*prompt))
 				prompt++;
 		}
-		if (current_entry->prompt)
+		if (current_entry->prompt && current_entry != &rootmenu)
 			prop_warn(prop, "prompt redefined");
+
+		/* Apply all upper menus' visibilities to actual prompts. */
+		if(type == P_PROMPT) {
+			struct menu *menu = current_entry;
+
+			while ((menu = menu->parent) != NULL) {
+				if (!menu->visibility)
+					continue;
+				prop->visible.expr
+					= expr_alloc_and(prop->visible.expr,
+							 menu->visibility);
+			}
+		}
+
 		current_entry->prompt = prop;
 	}
 	prop->text = prompt;
@@ -153,6 +166,12 @@ struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr
 	return menu_add_prop(type, prompt, NULL, dep);
 }
 
+void menu_add_visibility(struct expr *expr)
+{
+	current_entry->visibility = expr_alloc_and(current_entry->visibility,
+	    expr);
+}
+
 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
 {
 	menu_add_prop(type, NULL, expr, dep);
@@ -184,13 +203,13 @@ void menu_add_option(int token, char *arg)
 	}
 }
 
-static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
+static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
 {
 	return sym2->type == S_INT || sym2->type == S_HEX ||
 	       (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
 }
 
-void sym_check_prop(struct symbol *sym)
+static void sym_check_prop(struct symbol *sym)
 {
 	struct property *prop;
 	struct symbol *sym2;
@@ -200,8 +219,17 @@ void sym_check_prop(struct symbol *sym)
 			if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
 			    prop->expr->type != E_SYMBOL)
 				prop_warn(prop,
-				    "default for config symbol '%'"
+				    "default for config symbol '%s'"
 				    " must be a single symbol", sym->name);
+			if (prop->expr->type != E_SYMBOL)
+				break;
+			sym2 = prop_get_symbol(prop);
+			if (sym->type == S_HEX || sym->type == S_INT) {
+				if (!menu_validate_number(sym, sym2))
+					prop_warn(prop,
+					    "'%s': number is invalid",
+					    sym->name);
+			}
 			break;
 		case P_SELECT:
 			sym2 = prop_get_symbol(prop);
@@ -221,8 +249,8 @@ void sym_check_prop(struct symbol *sym)
 			if (sym->type != S_INT && sym->type != S_HEX)
 				prop_warn(prop, "range is only allowed "
 				                "for int or hex symbols");
-			if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
-			    !menu_range_valid_sym(sym, prop->expr->right.sym))
+			if (!menu_validate_number(sym, prop->expr->left.sym) ||
+			    !menu_validate_number(sym, prop->expr->right.sym))
 				prop_warn(prop, "range is invalid");
 			break;
 		default:
@@ -321,6 +349,8 @@ void menu_finalize(struct menu *parent)
 			parent->next = last_menu->next;
 			last_menu->next = NULL;
 		}
+
+		sym->dir_dep.expr = parent->dep;
 	}
 	for (menu = parent->list; menu; menu = menu->next) {
 		if (sym && sym_is_choice(sym) &&
@@ -393,6 +423,13 @@ void menu_finalize(struct menu *parent)
 	}
 }
 
+bool menu_has_prompt(struct menu *menu)
+{
+	if (!menu->prompt)
+		return false;
+	return true;
+}
+
 bool menu_is_visible(struct menu *menu)
 {
 	struct menu *child;
@@ -401,6 +438,12 @@ bool menu_is_visible(struct menu *menu)
 
 	if (!menu->prompt)
 		return false;
+
+	if (menu->visibility) {
+		if (expr_calc_value(menu->visibility) == no)
+			return no;
+	}
+
 	sym = menu->sym;
 	if (sym) {
 		sym_calc_value(sym);
@@ -410,12 +453,18 @@ bool menu_is_visible(struct menu *menu)
 
 	if (visible != no)
 		return true;
+
 	if (!sym || sym_get_tristate_value(menu->sym) == no)
 		return false;
 
-	for (child = menu->list; child; child = child->next)
-		if (menu_is_visible(child))
+	for (child = menu->list; child; child = child->next) {
+		if (menu_is_visible(child)) {
+			if (sym)
+				sym->flags |= SYMBOL_DEF_USER;
 			return true;
+		}
+	}
+
 	return false;
 }
 
@@ -457,3 +506,104 @@ const char *menu_get_help(struct menu *menu)
 	else
 		return "";
 }
+
+static void get_prompt_str(struct gstr *r, struct property *prop)
+{
+	int i, j;
+	struct menu *submenu[8], *menu;
+
+	str_printf(r, _("Prompt: %s\n"), _(prop->text));
+	str_printf(r, _("  Defined at %s:%d\n"), prop->menu->file->name,
+		prop->menu->lineno);
+	if (!expr_is_yes(prop->visible.expr)) {
+		str_append(r, _("  Depends on: "));
+		expr_gstr_print(prop->visible.expr, r);
+		str_append(r, "\n");
+	}
+	menu = prop->menu->parent;
+	for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
+		submenu[i++] = menu;
+	if (i > 0) {
+		str_printf(r, _("  Location:\n"));
+		for (j = 4; --i >= 0; j += 2) {
+			menu = submenu[i];
+			str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
+			if (menu->sym) {
+				str_printf(r, " (%s [=%s])", menu->sym->name ?
+					menu->sym->name : _("<choice>"),
+					sym_get_string_value(menu->sym));
+			}
+			str_append(r, "\n");
+		}
+	}
+}
+
+void get_symbol_str(struct gstr *r, struct symbol *sym)
+{
+	bool hit;
+	struct property *prop;
+
+	if (sym && sym->name) {
+		str_printf(r, "Symbol: %s [=%s]\n", sym->name,
+			   sym_get_string_value(sym));
+		str_printf(r, "Type  : %s\n", sym_type_name(sym->type));
+		if (sym->type == S_INT || sym->type == S_HEX) {
+			prop = sym_get_range_prop(sym);
+			if (prop) {
+				str_printf(r, "Range : ");
+				expr_gstr_print(prop->expr, r);
+				str_append(r, "\n");
+			}
+		}
+	}
+	for_all_prompts(sym, prop)
+		get_prompt_str(r, prop);
+	hit = false;
+	for_all_properties(sym, prop, P_SELECT) {
+		if (!hit) {
+			str_append(r, "  Selects: ");
+			hit = true;
+		} else
+			str_printf(r, " && ");
+		expr_gstr_print(prop->expr, r);
+	}
+	if (hit)
+		str_append(r, "\n");
+	if (sym->rev_dep.expr) {
+		str_append(r, _("  Selected by: "));
+		expr_gstr_print(sym->rev_dep.expr, r);
+		str_append(r, "\n");
+	}
+	str_append(r, "\n\n");
+}
+
+struct gstr get_relations_str(struct symbol **sym_arr)
+{
+	struct symbol *sym;
+	struct gstr res = str_new();
+	int i;
+
+	for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
+		get_symbol_str(&res, sym);
+	if (!i)
+		str_append(&res, _("No matches found.\n"));
+	return res;
+}
+
+
+void menu_get_ext_help(struct menu *menu, struct gstr *help)
+{
+	struct symbol *sym = menu->sym;
+
+	if (menu_has_help(menu)) {
+		if (sym->name) {
+			str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
+			str_append(help, _(menu_get_help(menu)));
+			str_append(help, "\n");
+		}
+	} else {
+		str_append(help, nohelp_text);
+	}
+	if (sym)
+		get_symbol_str(help, sym);
+}
diff --git a/kconfig/symbol.c b/kconfig/symbol.c
index d36e1a6b..a796c95f 100644
--- a/kconfig/symbol.c
+++ b/kconfig/symbol.c
@@ -36,7 +36,7 @@ tristate modules_val;
 
 struct expr *sym_env_list;
 
-void sym_add_default(struct symbol *sym, const char *def)
+static void sym_add_default(struct symbol *sym, const char *def)
 {
 	struct property *prop = prop_alloc(P_DEFAULT, sym);
 
@@ -48,7 +48,6 @@ void sym_init(void)
 	struct symbol *sym;
 	struct utsname uts;
 	static bool inited = false;
-	char* p;
 
 	if (inited)
 		return;
@@ -60,13 +59,6 @@ void sym_init(void)
 	sym->type = S_STRING;
 	sym->flags |= SYMBOL_AUTO;
 	sym_add_default(sym, uts.release);
-
-	sym = sym_lookup("PROJECTVERSION", 0);
-	sym->type = S_STRING;
-	sym->flags |= SYMBOL_AUTO;
-	p = getenv("PROJECTVERSION");
-	if (p)
-		sym_add_default(sym, p);
 }
 
 enum symbol_type sym_get_type(struct symbol *sym)
@@ -133,7 +125,7 @@ struct property *sym_get_default_prop(struct symbol *sym)
 	return NULL;
 }
 
-struct property *sym_get_range_prop(struct symbol *sym)
+static struct property *sym_get_range_prop(struct symbol *sym)
 {
 	struct property *prop;
 
@@ -213,6 +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);
@@ -224,44 +226,63 @@ static void sym_calc_visibility(struct symbol *sym)
 	}
 }
 
-static struct symbol *sym_calc_choice(struct symbol *sym)
+/*
+ * Find the default symbol for a choice.
+ * First try the default values for the choice symbol
+ * Next locate the first visible choice value
+ * Return NULL if none was found
+ */
+struct symbol *sym_choice_default(struct symbol *sym)
 {
 	struct symbol *def_sym;
 	struct property *prop;
 	struct expr *e;
 
-	/* is the user choice visible? */
-	def_sym = sym->def[S_DEF_USER].val;
-	if (def_sym) {
-		sym_calc_visibility(def_sym);
-		if (def_sym->visible != no)
-			return def_sym;
-	}
-
 	/* any of the defaults visible? */
 	for_all_defaults(sym, prop) {
 		prop->visible.tri = expr_calc_value(prop->visible.expr);
 		if (prop->visible.tri == no)
 			continue;
 		def_sym = prop_get_symbol(prop);
-		sym_calc_visibility(def_sym);
 		if (def_sym->visible != no)
 			return def_sym;
 	}
 
 	/* just get the first visible value */
 	prop = sym_get_choice_prop(sym);
-	expr_list_for_each_sym(prop->expr, e, def_sym) {
-		sym_calc_visibility(def_sym);
+	expr_list_for_each_sym(prop->expr, e, def_sym)
 		if (def_sym->visible != no)
 			return def_sym;
-	}
 
-	/* no choice? reset tristate value */
-	sym->curr.tri = no;
+	/* failed to locate any defaults */
 	return NULL;
 }
 
+static struct symbol *sym_calc_choice(struct symbol *sym)
+{
+	struct symbol *def_sym;
+	struct property *prop;
+	struct expr *e;
+
+	/* first calculate all choice values' visibilities */
+	prop = sym_get_choice_prop(sym);
+	expr_list_for_each_sym(prop->expr, e, def_sym)
+		sym_calc_visibility(def_sym);
+
+	/* is the user choice visible? */
+	def_sym = sym->def[S_DEF_USER].val;
+	if (def_sym && def_sym->visible != no)
+		return def_sym;
+
+	def_sym = sym_choice_default(sym);
+
+	if (def_sym == NULL)
+		/* no choice? reset tristate value */
+		sym->curr.tri = no;
+
+	return def_sym;
+}
+
 void sym_calc_value(struct symbol *sym)
 {
 	struct symbol_value newval, oldval;
@@ -329,6 +350,18 @@ void sym_calc_value(struct symbol *sym)
 				}
 			}
 		calc_newval:
+			if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) {
+				struct expr *e;
+				e = expr_simplify_unmet_dep(sym->rev_dep.expr,
+				    sym->dir_dep.expr);
+				fprintf(stderr, "warning: (");
+				expr_fprint(e, stderr);
+				fprintf(stderr, ") selects %s which has unmet direct dependencies (",
+					sym->name);
+				expr_fprint(sym->dir_dep.expr, stderr);
+				fprintf(stderr, ")\n");
+				expr_free(e);
+			}
 			newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri);
 		}
 		if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN)
@@ -373,12 +406,13 @@ void sym_calc_value(struct symbol *sym)
 
 	if (sym_is_choice(sym)) {
 		struct symbol *choice_sym;
-		int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE);
 
 		prop = sym_get_choice_prop(sym);
 		expr_list_for_each_sym(prop->expr, e, choice_sym) {
-			choice_sym->flags |= flags;
-			if (flags & SYMBOL_CHANGED)
+			if ((sym->flags & SYMBOL_WRITE) &&
+			    choice_sym->visible != no)
+				choice_sym->flags |= SYMBOL_WRITE;
+			if (sym->flags & SYMBOL_CHANGED)
 				sym_set_changed(choice_sym);
 		}
 	}
@@ -631,6 +665,80 @@ bool sym_set_string_value(struct symbol *sym, const char *newval)
 	return true;
 }
 
+/*
+ * Find the default value associated to a symbol.
+ * For tristate symbol handle the modules=n case
+ * in which case "m" becomes "y".
+ * If the symbol does not have any default then fallback
+ * to the fixed default values.
+ */
+const char *sym_get_string_default(struct symbol *sym)
+{
+	struct property *prop;
+	struct symbol *ds;
+	const char *str;
+	tristate val;
+
+	sym_calc_visibility(sym);
+	sym_calc_value(modules_sym);
+	val = symbol_no.curr.tri;
+	str = symbol_empty.curr.val;
+
+	/* If symbol has a default value look it up */
+	prop = sym_get_default_prop(sym);
+	if (prop != NULL) {
+		switch (sym->type) {
+		case S_BOOLEAN:
+		case S_TRISTATE:
+			/* The visibility may limit the value from yes => mod */
+			val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri);
+			break;
+		default:
+			/*
+			 * The following fails to handle the situation
+			 * where a default value is further limited by
+			 * the valid range.
+			 */
+			ds = prop_get_symbol(prop);
+			if (ds != NULL) {
+				sym_calc_value(ds);
+				str = (const char *)ds->curr.val;
+			}
+		}
+	}
+
+	/* Handle select statements */
+	val = EXPR_OR(val, sym->rev_dep.tri);
+
+	/* transpose mod to yes if modules are not enabled */
+	if (val == mod)
+		if (!sym_is_choice_value(sym) && modules_sym->curr.tri == no)
+			val = yes;
+
+	/* transpose mod to yes if type is bool */
+	if (sym->type == S_BOOLEAN && val == mod)
+		val = yes;
+
+	switch (sym->type) {
+	case S_BOOLEAN:
+	case S_TRISTATE:
+		switch (val) {
+		case no: return "n";
+		case mod: return "m";
+		case yes: return "y";
+		}
+	case S_INT:
+	case S_HEX:
+		return str;
+	case S_STRING:
+		return str;
+	case S_OTHER:
+	case S_UNKNOWN:
+		break;
+	}
+	return "";
+}
+
 const char *sym_get_string_value(struct symbol *sym)
 {
 	tristate val;
@@ -659,12 +767,20 @@ bool sym_is_changable(struct symbol *sym)
 	return sym->visible > sym->rev_dep.tri;
 }
 
+static unsigned strhash(const char *s)
+{
+	/* fnv32 hash */
+	unsigned hash = 2166136261U;
+	for (; *s; s++)
+		hash = (hash ^ *s) * 0x01000193;
+	return hash;
+}
+
 struct symbol *sym_lookup(const char *name, int flags)
 {
 	struct symbol *symbol;
-	const char *ptr;
 	char *new_name;
-	int hash = 0;
+	int hash;
 
 	if (name) {
 		if (name[0] && !name[1]) {
@@ -674,12 +790,11 @@ struct symbol *sym_lookup(const char *name, int flags)
 			case 'n': return &symbol_no;
 			}
 		}
-		for (ptr = name; *ptr; ptr++)
-			hash += *ptr;
-		hash &= 0xff;
+		hash = strhash(name) % SYMBOL_HASHSIZE;
 
 		for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
-			if (!strcmp(symbol->name, name) &&
+			if (symbol->name &&
+			    !strcmp(symbol->name, name) &&
 			    (flags ? symbol->flags & flags
 				   : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
 				return symbol;
@@ -687,7 +802,7 @@ struct symbol *sym_lookup(const char *name, int flags)
 		new_name = strdup(name);
 	} else {
 		new_name = NULL;
-		hash = 256;
+		hash = 0;
 	}
 
 	symbol = malloc(sizeof(*symbol));
@@ -705,7 +820,6 @@ struct symbol *sym_lookup(const char *name, int flags)
 struct symbol *sym_find(const char *name)
 {
 	struct symbol *symbol = NULL;
-	const char *ptr;
 	int hash = 0;
 
 	if (!name)
@@ -718,12 +832,11 @@ struct symbol *sym_find(const char *name)
 		case 'n': return &symbol_no;
 		}
 	}
-	for (ptr = name; *ptr; ptr++)
-		hash += *ptr;
-	hash &= 0xff;
+	hash = strhash(name) % SYMBOL_HASHSIZE;
 
 	for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) {
-		if (!strcmp(symbol->name, name) &&
+		if (symbol->name &&
+		    !strcmp(symbol->name, name) &&
 		    !(symbol->flags & SYMBOL_CONST))
 				break;
 	}
@@ -731,6 +844,55 @@ struct symbol *sym_find(const char *name)
 	return symbol;
 }
 
+/*
+ * Expand symbol's names embedded in the string given in argument. Symbols'
+ * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
+ * the empty string.
+ */
+const char *sym_expand_string_value(const char *in)
+{
+	const char *src;
+	char *res;
+	size_t reslen;
+
+	reslen = strlen(in) + 1;
+	res = malloc(reslen);
+	res[0] = '\0';
+
+	while ((src = strchr(in, '$'))) {
+		char *p, name[SYMBOL_MAXLENGTH];
+		const char *symval = "";
+		struct symbol *sym;
+		size_t newlen;
+
+		strncat(res, in, src - in);
+		src++;
+
+		p = name;
+		while (isalnum(*src) || *src == '_')
+			*p++ = *src++;
+		*p = '\0';
+
+		sym = sym_find(name);
+		if (sym != NULL) {
+			sym_calc_value(sym);
+			symval = sym_get_string_value(sym);
+		}
+
+		newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
+		if (newlen > reslen) {
+			reslen = newlen;
+			res = realloc(res, reslen);
+		}
+
+		strcat(res, symval);
+		in = src;
+	}
+	strcat(res, in);
+
+	return res;
+}
+
 struct symbol **sym_re_search(const char *pattern)
 {
 	struct symbol *sym, **sym_arr = NULL;
@@ -758,6 +920,7 @@ struct symbol **sym_re_search(const char *pattern)
 				return NULL;
 			}
 		}
+		sym_calc_value(sym);
 		sym_arr[cnt++] = sym;
 	}
 	if (sym_arr)
@@ -767,6 +930,112 @@ struct symbol **sym_re_search(const char *pattern)
 	return sym_arr;
 }
 
+/*
+ * When we check for recursive dependencies we use a stack to save
+ * current state so we can print out relevant info to user.
+ * The entries are located on the call stack so no need to free memory.
+ * Note inser() remove() must always match to properly clear the stack.
+ */
+static struct dep_stack {
+	struct dep_stack *prev, *next;
+	struct symbol *sym;
+	struct property *prop;
+	struct expr *expr;
+} *check_top;
+
+static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym)
+{
+	memset(stack, 0, sizeof(*stack));
+	if (check_top)
+		check_top->next = stack;
+	stack->prev = check_top;
+	stack->sym = sym;
+	check_top = stack;
+}
+
+static void dep_stack_remove(void)
+{
+	check_top = check_top->prev;
+	if (check_top)
+		check_top->next = NULL;
+}
+
+/*
+ * Called when we have detected a recursive dependency.
+ * check_top point to the top of the stact so we use
+ * the ->prev pointer to locate the bottom of the stack.
+ */
+static void sym_check_print_recursive(struct symbol *last_sym)
+{
+	struct dep_stack *stack;
+	struct symbol *sym, *next_sym;
+	struct menu *menu = NULL;
+	struct property *prop;
+	struct dep_stack cv_stack;
+
+	if (sym_is_choice_value(last_sym)) {
+		dep_stack_insert(&cv_stack, last_sym);
+		last_sym = prop_get_symbol(sym_get_choice_prop(last_sym));
+	}
+
+	for (stack = check_top; stack != NULL; stack = stack->prev)
+		if (stack->sym == last_sym)
+			break;
+	if (!stack) {
+		fprintf(stderr, "unexpected recursive dependency error\n");
+		return;
+	}
+
+	for (; stack; stack = stack->next) {
+		sym = stack->sym;
+		next_sym = stack->next ? stack->next->sym : last_sym;
+		prop = stack->prop;
+		if (prop == NULL)
+			prop = stack->sym->prop;
+
+		/* for choice values find the menu entry (used below) */
+		if (sym_is_choice(sym) || sym_is_choice_value(sym)) {
+			for (prop = sym->prop; prop; prop = prop->next) {
+				menu = prop->menu;
+				if (prop->menu)
+					break;
+			}
+		}
+		if (stack->sym == 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,
+				sym->name ? sym->name : "<choice>",
+				prop_get_type_name(prop->type),
+				next_sym->name ? next_sym->name : "<choice>");
+		} else if (stack->prop) {
+			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,
+				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>",
+				next_sym->name ? next_sym->name : "<choice>");
+		} else {
+			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>");
+		}
+	}
+
+	if (check_top == &cv_stack)
+		dep_stack_remove();
+}
 
 static struct symbol *sym_check_expr_deps(struct expr *e)
 {
@@ -803,24 +1072,33 @@ static struct symbol *sym_check_sym_deps(struct symbol *sym)
 {
 	struct symbol *sym2;
 	struct property *prop;
+	struct dep_stack stack;
+
+	dep_stack_insert(&stack, sym);
 
 	sym2 = sym_check_expr_deps(sym->rev_dep.expr);
 	if (sym2)
-		return sym2;
+		goto out;
 
 	for (prop = sym->prop; prop; prop = prop->next) {
 		if (prop->type == P_CHOICE || prop->type == P_SELECT)
 			continue;
+		stack.prop = prop;
 		sym2 = sym_check_expr_deps(prop->visible.expr);
 		if (sym2)
 			break;
 		if (prop->type != P_DEFAULT || sym_is_choice(sym))
 			continue;
+		stack.expr = prop->expr;
 		sym2 = sym_check_expr_deps(prop->expr);
 		if (sym2)
 			break;
+		stack.expr = NULL;
 	}
 
+out:
+	dep_stack_remove();
+
 	return sym2;
 }
 
@@ -829,6 +1107,9 @@ static struct symbol *sym_check_choice_deps(struct symbol *choice)
 	struct symbol *sym, *sym2;
 	struct property *prop;
 	struct expr *e;
+	struct dep_stack stack;
+
+	dep_stack_insert(&stack, choice);
 
 	prop = sym_get_choice_prop(choice);
 	expr_list_for_each_sym(prop->expr, e, sym)
@@ -842,10 +1123,8 @@ static struct symbol *sym_check_choice_deps(struct symbol *choice)
 
 	expr_list_for_each_sym(prop->expr, e, sym) {
 		sym2 = sym_check_sym_deps(sym);
-		if (sym2) {
-			fprintf(stderr, " -> %s", sym->name);
+		if (sym2)
 			break;
-		}
 	}
 out:
 	expr_list_for_each_sym(prop->expr, e, sym)
@@ -855,6 +1134,8 @@ out:
 	    prop_get_symbol(sym_get_choice_prop(sym2)) == choice)
 		sym2 = choice;
 
+	dep_stack_remove();
+
 	return sym2;
 }
 
@@ -864,18 +1145,20 @@ struct symbol *sym_check_deps(struct symbol *sym)
 	struct property *prop;
 
 	if (sym->flags & SYMBOL_CHECK) {
-		fprintf(stderr, "%s:%d:error: found recursive dependency: %s",
-		        sym->prop->file->name, sym->prop->lineno,
-			sym->name ? sym->name : "<choice>");
+		sym_check_print_recursive(sym);
 		return sym;
 	}
 	if (sym->flags & SYMBOL_CHECKED)
 		return NULL;
 
 	if (sym_is_choice_value(sym)) {
+		struct dep_stack stack;
+
 		/* for choice groups start the check with main choice symbol */
+		dep_stack_insert(&stack, sym);
 		prop = sym_get_choice_prop(sym);
 		sym2 = sym_check_deps(prop_get_symbol(prop));
+		dep_stack_remove();
 	} else if (sym_is_choice(sym)) {
 		sym2 = sym_check_choice_deps(sym);
 	} else {
@@ -884,14 +1167,8 @@ struct symbol *sym_check_deps(struct symbol *sym)
 		sym->flags &= ~SYMBOL_CHECK;
 	}
 
-	if (sym2) {
-		fprintf(stderr, " -> %s", sym->name ? sym->name : "<choice>");
-		if (sym2 == sym) {
-			fprintf(stderr, "\n");
-			zconfnerrs++;
-			sym2 = NULL;
-		}
-	}
+	if (sym2 && sym2 == sym)
+		sym2 = NULL;
 
 	return sym2;
 }
@@ -945,13 +1222,15 @@ const char *prop_get_type_name(enum prop_type type)
 		return "select";
 	case P_RANGE:
 		return "range";
+	case P_SYMBOL:
+		return "symbol";
 	case P_UNKNOWN:
 		break;
 	}
 	return "unknown";
 }
 
-void prop_add_env(const char *env)
+static void prop_add_env(const char *env)
 {
 	struct symbol *sym, *sym2;
 	struct property *prop;
@@ -976,4 +1255,6 @@ void prop_add_env(const char *env)
 	p = getenv(env);
 	if (p)
 		sym_add_default(sym, p);
+	else
+		menu_warn(current_entry, "environment variable %s undefined", env);
 }
diff --git a/kconfig/util.c b/kconfig/util.c
index 3cc9f936..6330cc87 100644
--- a/kconfig/util.c
+++ b/kconfig/util.c
@@ -12,15 +12,18 @@
 struct file *file_lookup(const char *name)
 {
 	struct file *file;
+	const char *file_name = sym_expand_string_value(name);
 
 	for (file = file_list; file; file = file->next) {
-		if (!strcmp(name, file->name))
+		if (!strcmp(name, file->name)) {
+			free((void *)file_name);
 			return file;
+		}
 	}
 
 	file = malloc(sizeof(*file));
 	memset(file, 0, sizeof(*file));
-	file->name = strdup(name);
+	file->name = file_name;
 	file->next = file_list;
 	file_list = file;
 	return file;
@@ -46,8 +49,8 @@ int file_write_dep(const char *name)
 		else
 			fprintf(out, "\t%s\n", file->name);
 	}
-	fprintf(out, "\ninclude/config/auto.conf: \\\n"
-		     "\t$(deps_config)\n\n");
+	fprintf(out, "\n%s: \\\n"
+		     "\t$(deps_config)\n\n", conf_get_autoconfig_name());
 
 	expr_list_for_each_sym(sym_env_list, e, sym) {
 		struct property *prop;
@@ -61,7 +64,7 @@ int file_write_dep(const char *name)
 		if (!value)
 			value = "";
 		fprintf(out, "ifneq \"$(%s)\" \"%s\"\n", env_sym->name, value);
-		fprintf(out, "include/config/auto.conf: FORCE\n");
+		fprintf(out, "%s: FORCE\n", conf_get_autoconfig_name());
 		fprintf(out, "endif\n");
 	}
 
@@ -72,12 +75,13 @@ int file_write_dep(const char *name)
 }
 
 
-/* Allocate initial growable sting */
+/* Allocate initial growable string */
 struct gstr str_new(void)
 {
 	struct gstr gs;
 	gs.s = malloc(sizeof(char) * 64);
 	gs.len = 64;
+	gs.max_width = 0;
 	strcpy(gs.s, "\0");
 	return gs;
 }
@@ -88,6 +92,7 @@ struct gstr str_assign(const char *s)
 	struct gstr gs;
 	gs.s = strdup(s);
 	gs.len = strlen(s) + 1;
+	gs.max_width = 0;
 	return gs;
 }
 
diff --git a/kconfig/zconf.hash.c b/kconfig/zconf.hash.c
index 5c73d513..4055d5de 100644
--- a/kconfig/zconf.hash.c
+++ b/kconfig/zconf.hash.c
@@ -30,7 +30,9 @@
 #endif
 
 struct kconf_id;
-/* maximum key range = 47, duplicates = 0 */
+
+static struct kconf_id *kconf_id_lookup(register const char *str, register unsigned int len);
+/* maximum key range = 50, duplicates = 0 */
 
 #ifdef __GNUC__
 __inline
@@ -44,32 +46,32 @@ kconf_id_hash (register const char *str, register unsigned int len)
 {
   static unsigned char asso_values[] =
     {
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 11,  5,
-       0,  0,  5, 49,  5, 20, 49, 49,  5, 20,
-       5,  0, 30, 49,  0, 15,  0, 10,  0, 49,
-      25, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
-      49, 49, 49, 49, 49, 49
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 40,  5,
+       0,  0,  5, 52,  0, 20, 52, 52, 10, 20,
+       5,  0, 35, 52,  0, 30,  0, 15,  0, 52,
+      15, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52, 52, 52, 52, 52,
+      52, 52, 52, 52, 52, 52
     };
   register int hval = len;
 
@@ -100,25 +102,26 @@ struct kconf_id_strings_t
     char kconf_id_strings_str12[sizeof("default")];
     char kconf_id_strings_str13[sizeof("def_bool")];
     char kconf_id_strings_str14[sizeof("help")];
-    char kconf_id_strings_str15[sizeof("bool")];
     char kconf_id_strings_str16[sizeof("config")];
     char kconf_id_strings_str17[sizeof("def_tristate")];
-    char kconf_id_strings_str18[sizeof("boolean")];
+    char kconf_id_strings_str18[sizeof("hex")];
     char kconf_id_strings_str19[sizeof("defconfig_list")];
-    char kconf_id_strings_str21[sizeof("string")];
     char kconf_id_strings_str22[sizeof("if")];
     char kconf_id_strings_str23[sizeof("int")];
-    char kconf_id_strings_str26[sizeof("select")];
     char kconf_id_strings_str27[sizeof("modules")];
     char kconf_id_strings_str28[sizeof("tristate")];
     char kconf_id_strings_str29[sizeof("menu")];
-    char kconf_id_strings_str31[sizeof("source")];
     char kconf_id_strings_str32[sizeof("comment")];
-    char kconf_id_strings_str33[sizeof("hex")];
     char kconf_id_strings_str35[sizeof("menuconfig")];
-    char kconf_id_strings_str36[sizeof("prompt")];
-    char kconf_id_strings_str37[sizeof("depends")];
+    char kconf_id_strings_str36[sizeof("string")];
+    char kconf_id_strings_str37[sizeof("visible")];
+    char kconf_id_strings_str41[sizeof("prompt")];
+    char kconf_id_strings_str42[sizeof("depends")];
+    char kconf_id_strings_str44[sizeof("bool")];
+    char kconf_id_strings_str46[sizeof("select")];
+    char kconf_id_strings_str47[sizeof("boolean")];
     char kconf_id_strings_str48[sizeof("mainmenu")];
+    char kconf_id_strings_str51[sizeof("source")];
   };
 static struct kconf_id_strings_t kconf_id_strings_contents =
   {
@@ -134,25 +137,26 @@ static struct kconf_id_strings_t kconf_id_strings_contents =
     "default",
     "def_bool",
     "help",
-    "bool",
     "config",
     "def_tristate",
-    "boolean",
+    "hex",
     "defconfig_list",
-    "string",
     "if",
     "int",
-    "select",
     "modules",
     "tristate",
     "menu",
-    "source",
     "comment",
-    "hex",
     "menuconfig",
+    "string",
+    "visible",
     "prompt",
     "depends",
-    "mainmenu"
+    "bool",
+    "select",
+    "boolean",
+    "mainmenu",
+    "source"
   };
 #define kconf_id_strings ((const char *) &kconf_id_strings_contents)
 #ifdef __GNUC__
@@ -166,11 +170,11 @@ kconf_id_lookup (register const char *str, register unsigned int len)
 {
   enum
     {
-      TOTAL_KEYWORDS = 31,
+      TOTAL_KEYWORDS = 32,
       MIN_WORD_LENGTH = 2,
       MAX_WORD_LENGTH = 14,
       MIN_HASH_VALUE = 2,
-      MAX_HASH_VALUE = 48
+      MAX_HASH_VALUE = 51
     };
 
   static struct kconf_id wordlist[] =
@@ -189,31 +193,35 @@ kconf_id_lookup (register const char *str, register unsigned int len)
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,	T_DEFAULT,	TF_COMMAND, S_UNKNOWN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14,		T_HELP,		TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str15,		T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,		T_CONFIG,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,	T_DEFAULT,	TF_COMMAND, S_TRISTATE},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,	T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,		T_TYPE,		TF_COMMAND, S_HEX},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str19,	T_OPT_DEFCONFIG_LIST,TF_OPTION},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21,		T_TYPE,		TF_COMMAND, S_STRING},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22,		T_IF,		TF_COMMAND|TF_PARAM},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,		T_TYPE,		TF_COMMAND, S_INT},
-      {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26,		T_SELECT,	TF_COMMAND},
+      {-1}, {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27,	T_OPT_MODULES,	TF_OPTION},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28,	T_TYPE,		TF_COMMAND, S_TRISTATE},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29,		T_MENU,		TF_COMMAND},
-      {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31,		T_SOURCE,	TF_COMMAND},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32,	T_COMMENT,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33,		T_TYPE,		TF_COMMAND, S_HEX},
-      {-1},
+      {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str35,	T_MENUCONFIG,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,		T_PROMPT,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_DEPENDS,	TF_COMMAND},
-      {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str36,		T_TYPE,		TF_COMMAND, S_STRING},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_VISIBLE,	TF_COMMAND},
+      {-1}, {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41,		T_PROMPT,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str42,	T_DEPENDS,	TF_COMMAND},
       {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,	T_MAINMENU,	TF_COMMAND}
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str44,		T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str46,		T_SELECT,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str47,	T_TYPE,		TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str48,	T_MAINMENU,	TF_COMMAND},
+      {-1}, {-1},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str51,		T_SOURCE,	TF_COMMAND}
     };
 
   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
diff --git a/kconfig/zconf.tab.c b/kconfig/zconf.tab.c
index fbb15351..513cd7bb 100644
--- a/kconfig/zconf.tab.c
+++ b/kconfig/zconf.tab.c
@@ -1,24 +1,23 @@
-/* A Bison parser, made by GNU Bison 2.3.  */
 
-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* A Bison parser, made by GNU Bison 2.4.1.  */
 
-   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+/* Skeleton implementation for Bison's Yacc-like parsers in C
+   
+      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
-
-   This program is free software; you can redistribute it and/or modify
+   
+   This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
-
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+   
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-
+   
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 /* As a special exception, you may create a larger work that contains
    part or all of the Bison parser skeleton and distribute that work
@@ -29,7 +28,7 @@
    special exception, which will cause the skeleton and the resulting
    Bison output files to be licensed under the GNU General Public
    License without this special exception.
-
+   
    This special exception was added by the Free Software Foundation in
    version 2.2 of Bison.  */
 
@@ -47,7 +46,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.3"
+#define YYBISON_VERSION "2.4.1"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -55,94 +54,23 @@
 /* Pure parsers.  */
 #define YYPURE 0
 
+/* Push parsers.  */
+#define YYPUSH 0
+
+/* Pull parsers.  */
+#define YYPULL 1
+
 /* Using locations.  */
 #define YYLSP_NEEDED 0
 
 /* Substitute the variable and function names.  */
-#define yyparse zconfparse
-#define yylex   zconflex
-#define yyerror zconferror
-#define yylval  zconflval
-#define yychar  zconfchar
-#define yydebug zconfdebug
-#define yynerrs zconfnerrs
-
-
-/* Tokens.  */
-#ifndef YYTOKENTYPE
-# define YYTOKENTYPE
-   /* Put the tokens into the symbol table, so that GDB and other debuggers
-      know about them.  */
-   enum yytokentype {
-     T_MAINMENU = 258,
-     T_MENU = 259,
-     T_ENDMENU = 260,
-     T_SOURCE = 261,
-     T_CHOICE = 262,
-     T_ENDCHOICE = 263,
-     T_COMMENT = 264,
-     T_CONFIG = 265,
-     T_MENUCONFIG = 266,
-     T_HELP = 267,
-     T_HELPTEXT = 268,
-     T_IF = 269,
-     T_ENDIF = 270,
-     T_DEPENDS = 271,
-     T_OPTIONAL = 272,
-     T_PROMPT = 273,
-     T_TYPE = 274,
-     T_DEFAULT = 275,
-     T_SELECT = 276,
-     T_RANGE = 277,
-     T_OPTION = 278,
-     T_ON = 279,
-     T_WORD = 280,
-     T_WORD_QUOTE = 281,
-     T_UNEQUAL = 282,
-     T_CLOSE_PAREN = 283,
-     T_OPEN_PAREN = 284,
-     T_EOL = 285,
-     T_OR = 286,
-     T_AND = 287,
-     T_EQUAL = 288,
-     T_NOT = 289
-   };
-#endif
-/* Tokens.  */
-#define T_MAINMENU 258
-#define T_MENU 259
-#define T_ENDMENU 260
-#define T_SOURCE 261
-#define T_CHOICE 262
-#define T_ENDCHOICE 263
-#define T_COMMENT 264
-#define T_CONFIG 265
-#define T_MENUCONFIG 266
-#define T_HELP 267
-#define T_HELPTEXT 268
-#define T_IF 269
-#define T_ENDIF 270
-#define T_DEPENDS 271
-#define T_OPTIONAL 272
-#define T_PROMPT 273
-#define T_TYPE 274
-#define T_DEFAULT 275
-#define T_SELECT 276
-#define T_RANGE 277
-#define T_OPTION 278
-#define T_ON 279
-#define T_WORD 280
-#define T_WORD_QUOTE 281
-#define T_UNEQUAL 282
-#define T_CLOSE_PAREN 283
-#define T_OPEN_PAREN 284
-#define T_EOL 285
-#define T_OR 286
-#define T_AND 287
-#define T_EQUAL 288
-#define T_NOT 289
-
-
+#define yyparse         zconfparse
+#define yylex           zconflex
+#define yyerror         zconferror
+#define yylval          zconflval
+#define yychar          zconfchar
+#define yydebug         zconfdebug
+#define yynerrs         zconfnerrs
 
 
 /* Copy the first part of user declarations.  */
@@ -163,8 +91,6 @@
 #define LKC_DIRECT_LINK
 #include "lkc.h"
 
-#include "zconf.hash.c"
-
 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
 
 #define PRINTD		0x0001
@@ -178,7 +104,7 @@ static void zconf_error(const char *err, ...);
 static void zconferror(const char *err);
 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
 
-struct symbol *symbol_hash[257];
+struct symbol *symbol_hash[SYMBOL_HASHSIZE];
 
 static struct menu *current_menu, *current_entry;
 
@@ -188,6 +114,7 @@ static struct menu *current_menu, *current_entry;
 #endif
 
 
+
 /* Enabling traces.  */
 #ifndef YYDEBUG
 # define YYDEBUG 0
@@ -206,31 +133,78 @@ static struct menu *current_menu, *current_entry;
 # define YYTOKEN_TABLE 0
 #endif
 
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     T_MAINMENU = 258,
+     T_MENU = 259,
+     T_ENDMENU = 260,
+     T_SOURCE = 261,
+     T_CHOICE = 262,
+     T_ENDCHOICE = 263,
+     T_COMMENT = 264,
+     T_CONFIG = 265,
+     T_MENUCONFIG = 266,
+     T_HELP = 267,
+     T_HELPTEXT = 268,
+     T_IF = 269,
+     T_ENDIF = 270,
+     T_DEPENDS = 271,
+     T_OPTIONAL = 272,
+     T_PROMPT = 273,
+     T_TYPE = 274,
+     T_DEFAULT = 275,
+     T_SELECT = 276,
+     T_RANGE = 277,
+     T_VISIBLE = 278,
+     T_OPTION = 279,
+     T_ON = 280,
+     T_WORD = 281,
+     T_WORD_QUOTE = 282,
+     T_UNEQUAL = 283,
+     T_CLOSE_PAREN = 284,
+     T_OPEN_PAREN = 285,
+     T_EOL = 286,
+     T_OR = 287,
+     T_AND = 288,
+     T_EQUAL = 289,
+     T_NOT = 290
+   };
+#endif
+
+
+
 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
 typedef union YYSTYPE
-
 {
+
+
 	char *string;
 	struct file *file;
 	struct symbol *symbol;
 	struct expr *expr;
 	struct menu *menu;
 	struct kconf_id *id;
-}
-/* Line 187 of yacc.c.  */
 
-	YYSTYPE;
+
+
+} YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1
 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
 # define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
 #endif
 
 
-
 /* Copy the second part of user declarations.  */
 
 
-/* Line 216 of yacc.c.  */
+/* Include zconf.hash.c here so it can see the token constants. */
+#include "zconf.hash.c"
+
 
 
 #ifdef short
@@ -306,14 +280,14 @@ typedef short int yytype_int16;
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static int
-YYID (int i)
+YYID (int yyi)
 #else
 static int
-YYID (i)
-    int i;
+YYID (yyi)
+    int yyi;
 #endif
 {
-  return i;
+  return yyi;
 }
 #endif
 
@@ -394,9 +368,9 @@ void free (void *); /* INFRINGES ON USER NAME SPACE */
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
-  yytype_int16 yyss;
-  YYSTYPE yyvs;
-  };
+  yytype_int16 yyss_alloc;
+  YYSTYPE yyvs_alloc;
+};
 
 /* The size of the maximum gap between one aligned stack and the next.  */
 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
@@ -430,12 +404,12 @@ union yyalloc
    elements in the stack, and YYPTR gives the new location of the
    stack.  Advance YYPTR to a properly aligned location for the next
    stack.  */
-# define YYSTACK_RELOCATE(Stack)					\
+# define YYSTACK_RELOCATE(Stack_alloc, Stack)				\
     do									\
       {									\
 	YYSIZE_T yynewbytes;						\
-	YYCOPY (&yyptr->Stack, Stack, yysize);				\
-	Stack = &yyptr->Stack;						\
+	YYCOPY (&yyptr->Stack_alloc, Stack, yysize);			\
+	Stack = &yyptr->Stack_alloc;					\
 	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
 	yyptr += yynewbytes / sizeof (*yyptr);				\
       }									\
@@ -444,22 +418,22 @@ union yyalloc
 #endif
 
 /* YYFINAL -- State number of the termination state.  */
-#define YYFINAL  3
+#define YYFINAL  11
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   259
+#define YYLAST   290
 
 /* YYNTOKENS -- Number of terminals.  */
-#define YYNTOKENS  35
+#define YYNTOKENS  36
 /* YYNNTS -- Number of nonterminals.  */
-#define YYNNTS  46
+#define YYNNTS  50
 /* YYNRULES -- Number of rules.  */
-#define YYNRULES  110
+#define YYNRULES  118
 /* YYNRULES -- Number of states.  */
-#define YYNSTATES  180
+#define YYNSTATES  191
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   289
+#define YYMAXUTOK   290
 
 #define YYTRANSLATE(YYX)						\
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -495,7 +469,8 @@ static const yytype_uint8 yytranslate[] =
        2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
-      25,    26,    27,    28,    29,    30,    31,    32,    33,    34
+      25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
+      35
 };
 
 #if YYDEBUG
@@ -503,73 +478,75 @@ static const yytype_uint8 yytranslate[] =
    YYRHS.  */
 static const yytype_uint16 yyprhs[] =
 {
-       0,     0,     3,     5,     6,     9,    12,    15,    20,    23,
-      28,    33,    37,    39,    41,    43,    45,    47,    49,    51,
-      53,    55,    57,    59,    61,    63,    67,    70,    74,    77,
-      81,    84,    85,    88,    91,    94,    97,   100,   103,   107,
-     112,   117,   122,   128,   132,   133,   137,   138,   141,   145,
-     148,   150,   154,   155,   158,   161,   164,   167,   170,   175,
-     179,   182,   187,   188,   191,   195,   197,   201,   202,   205,
-     208,   211,   215,   218,   220,   224,   225,   228,   231,   234,
-     238,   242,   245,   248,   251,   252,   255,   258,   261,   266,
-     267,   270,   272,   274,   277,   280,   283,   285,   288,   289,
-     292,   294,   298,   302,   306,   309,   313,   317,   319,   321,
-     322
+       0,     0,     3,     6,     8,    11,    13,    14,    17,    20,
+      23,    26,    31,    36,    40,    42,    44,    46,    48,    50,
+      52,    54,    56,    58,    60,    62,    64,    66,    68,    72,
+      75,    79,    82,    86,    89,    90,    93,    96,    99,   102,
+     105,   108,   112,   117,   122,   127,   133,   137,   138,   142,
+     143,   146,   150,   153,   155,   159,   160,   163,   166,   169,
+     172,   175,   180,   184,   187,   192,   193,   196,   200,   202,
+     206,   207,   210,   213,   216,   220,   224,   228,   230,   234,
+     235,   238,   241,   244,   248,   252,   255,   258,   261,   262,
+     265,   268,   271,   276,   277,   280,   283,   286,   287,   290,
+     292,   294,   297,   300,   303,   305,   308,   309,   312,   314,
+     318,   322,   326,   329,   333,   337,   339,   341,   342
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS.  */
 static const yytype_int8 yyrhs[] =
 {
-      36,     0,    -1,    37,    -1,    -1,    37,    39,    -1,    37,
-      53,    -1,    37,    64,    -1,    37,     3,    74,    76,    -1,
-      37,    75,    -1,    37,    25,     1,    30,    -1,    37,    38,
-       1,    30,    -1,    37,     1,    30,    -1,    16,    -1,    18,
-      -1,    19,    -1,    21,    -1,    17,    -1,    22,    -1,    20,
-      -1,    30,    -1,    59,    -1,    68,    -1,    42,    -1,    44,
-      -1,    66,    -1,    25,     1,    30,    -1,     1,    30,    -1,
-      10,    25,    30,    -1,    41,    45,    -1,    11,    25,    30,
-      -1,    43,    45,    -1,    -1,    45,    46,    -1,    45,    47,
-      -1,    45,    72,    -1,    45,    70,    -1,    45,    40,    -1,
-      45,    30,    -1,    19,    73,    30,    -1,    18,    74,    77,
-      30,    -1,    20,    78,    77,    30,    -1,    21,    25,    77,
-      30,    -1,    22,    79,    79,    77,    30,    -1,    23,    48,
-      30,    -1,    -1,    48,    25,    49,    -1,    -1,    33,    74,
-      -1,     7,    80,    30,    -1,    50,    54,    -1,    75,    -1,
-      51,    56,    52,    -1,    -1,    54,    55,    -1,    54,    72,
-      -1,    54,    70,    -1,    54,    30,    -1,    54,    40,    -1,
-      18,    74,    77,    30,    -1,    19,    73,    30,    -1,    17,
-      30,    -1,    20,    25,    77,    30,    -1,    -1,    56,    39,
-      -1,    14,    78,    76,    -1,    75,    -1,    57,    60,    58,
-      -1,    -1,    60,    39,    -1,    60,    64,    -1,    60,    53,
-      -1,     4,    74,    30,    -1,    61,    71,    -1,    75,    -1,
-      62,    65,    63,    -1,    -1,    65,    39,    -1,    65,    64,
-      -1,    65,    53,    -1,     6,    74,    30,    -1,     9,    74,
-      30,    -1,    67,    71,    -1,    12,    30,    -1,    69,    13,
-      -1,    -1,    71,    72,    -1,    71,    30,    -1,    71,    40,
-      -1,    16,    24,    78,    30,    -1,    -1,    74,    77,    -1,
-      25,    -1,    26,    -1,     5,    30,    -1,     8,    30,    -1,
-      15,    30,    -1,    30,    -1,    76,    30,    -1,    -1,    14,
-      78,    -1,    79,    -1,    79,    33,    79,    -1,    79,    27,
-      79,    -1,    29,    78,    28,    -1,    34,    78,    -1,    78,
-      31,    78,    -1,    78,    32,    78,    -1,    25,    -1,    26,
-      -1,    -1,    25,    -1
+      37,     0,    -1,    81,    38,    -1,    38,    -1,    63,    39,
+      -1,    39,    -1,    -1,    39,    41,    -1,    39,    55,    -1,
+      39,    67,    -1,    39,    80,    -1,    39,    26,     1,    31,
+      -1,    39,    40,     1,    31,    -1,    39,     1,    31,    -1,
+      16,    -1,    18,    -1,    19,    -1,    21,    -1,    17,    -1,
+      22,    -1,    20,    -1,    23,    -1,    31,    -1,    61,    -1,
+      71,    -1,    44,    -1,    46,    -1,    69,    -1,    26,     1,
+      31,    -1,     1,    31,    -1,    10,    26,    31,    -1,    43,
+      47,    -1,    11,    26,    31,    -1,    45,    47,    -1,    -1,
+      47,    48,    -1,    47,    49,    -1,    47,    75,    -1,    47,
+      73,    -1,    47,    42,    -1,    47,    31,    -1,    19,    78,
+      31,    -1,    18,    79,    82,    31,    -1,    20,    83,    82,
+      31,    -1,    21,    26,    82,    31,    -1,    22,    84,    84,
+      82,    31,    -1,    24,    50,    31,    -1,    -1,    50,    26,
+      51,    -1,    -1,    34,    79,    -1,     7,    85,    31,    -1,
+      52,    56,    -1,    80,    -1,    53,    58,    54,    -1,    -1,
+      56,    57,    -1,    56,    75,    -1,    56,    73,    -1,    56,
+      31,    -1,    56,    42,    -1,    18,    79,    82,    31,    -1,
+      19,    78,    31,    -1,    17,    31,    -1,    20,    26,    82,
+      31,    -1,    -1,    58,    41,    -1,    14,    83,    81,    -1,
+      80,    -1,    59,    62,    60,    -1,    -1,    62,    41,    -1,
+      62,    67,    -1,    62,    55,    -1,     3,    79,    81,    -1,
+       4,    79,    31,    -1,    64,    76,    74,    -1,    80,    -1,
+      65,    68,    66,    -1,    -1,    68,    41,    -1,    68,    67,
+      -1,    68,    55,    -1,     6,    79,    31,    -1,     9,    79,
+      31,    -1,    70,    74,    -1,    12,    31,    -1,    72,    13,
+      -1,    -1,    74,    75,    -1,    74,    31,    -1,    74,    42,
+      -1,    16,    25,    83,    31,    -1,    -1,    76,    77,    -1,
+      76,    31,    -1,    23,    82,    -1,    -1,    79,    82,    -1,
+      26,    -1,    27,    -1,     5,    31,    -1,     8,    31,    -1,
+      15,    31,    -1,    31,    -1,    81,    31,    -1,    -1,    14,
+      83,    -1,    84,    -1,    84,    34,    84,    -1,    84,    28,
+      84,    -1,    30,    83,    29,    -1,    35,    83,    -1,    83,
+      32,    83,    -1,    83,    33,    83,    -1,    26,    -1,    27,
+      -1,    -1,    26,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   104,   104,   106,   108,   109,   110,   111,   112,   113,
-     114,   118,   122,   122,   122,   122,   122,   122,   122,   126,
-     127,   128,   129,   130,   131,   135,   136,   142,   150,   156,
-     164,   174,   176,   177,   178,   179,   180,   181,   184,   192,
-     198,   208,   214,   220,   223,   225,   236,   237,   242,   251,
-     256,   264,   267,   269,   270,   271,   272,   273,   276,   282,
-     293,   299,   309,   311,   316,   324,   332,   335,   337,   338,
-     339,   344,   351,   356,   364,   367,   369,   370,   371,   374,
-     382,   389,   396,   402,   409,   411,   412,   413,   416,   424,
-     426,   431,   432,   435,   436,   437,   441,   442,   445,   446,
-     449,   450,   451,   452,   453,   454,   455,   458,   459,   462,
-     463
+       0,   108,   108,   108,   110,   110,   112,   114,   115,   116,
+     117,   118,   119,   123,   127,   127,   127,   127,   127,   127,
+     127,   127,   131,   132,   133,   134,   135,   136,   140,   141,
+     147,   155,   161,   169,   179,   181,   182,   183,   184,   185,
+     186,   189,   197,   203,   213,   219,   225,   228,   230,   241,
+     242,   247,   256,   261,   269,   272,   274,   275,   276,   277,
+     278,   281,   287,   298,   304,   314,   316,   321,   329,   337,
+     340,   342,   343,   344,   349,   356,   363,   368,   376,   379,
+     381,   382,   383,   386,   394,   401,   408,   414,   421,   423,
+     424,   425,   428,   436,   438,   439,   442,   449,   451,   456,
+     457,   460,   461,   462,   466,   467,   470,   471,   474,   475,
+     476,   477,   478,   479,   480,   483,   484,   487,   488
 };
 #endif
 
@@ -582,19 +559,19 @@ static const char *const yytname[] =
   "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
   "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
   "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT", "T_SELECT", "T_RANGE",
-  "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
+  "T_VISIBLE", "T_OPTION", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
   "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_OR", "T_AND", "T_EQUAL",
-  "T_NOT", "$accept", "input", "stmt_list", "option_name", "common_stmt",
-  "option_error", "config_entry_start", "config_stmt",
+  "T_NOT", "$accept", "input", "start", "stmt_list", "option_name",
+  "common_stmt", "option_error", "config_entry_start", "config_stmt",
   "menuconfig_entry_start", "menuconfig_stmt", "config_option_list",
   "config_option", "symbol_option", "symbol_option_list",
   "symbol_option_arg", "choice", "choice_entry", "choice_end",
   "choice_stmt", "choice_option_list", "choice_option", "choice_block",
-  "if_entry", "if_end", "if_stmt", "if_block", "menu", "menu_entry",
-  "menu_end", "menu_stmt", "menu_block", "source_stmt", "comment",
-  "comment_stmt", "help_start", "help", "depends_list", "depends",
-  "prompt_stmt_opt", "prompt", "end", "nl", "if_expr", "expr", "symbol",
-  "word_opt", 0
+  "if_entry", "if_end", "if_stmt", "if_block", "mainmenu_stmt", "menu",
+  "menu_entry", "menu_end", "menu_stmt", "menu_block", "source_stmt",
+  "comment", "comment_stmt", "help_start", "help", "depends_list",
+  "depends", "visibility_list", "visible", "prompt_stmt_opt", "prompt",
+  "end", "nl", "if_expr", "expr", "symbol", "word_opt", 0
 };
 #endif
 
@@ -606,42 +583,42 @@ static const yytype_uint16 yytoknum[] =
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
-     285,   286,   287,   288,   289
+     285,   286,   287,   288,   289,   290
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const yytype_uint8 yyr1[] =
 {
-       0,    35,    36,    37,    37,    37,    37,    37,    37,    37,
-      37,    37,    38,    38,    38,    38,    38,    38,    38,    39,
-      39,    39,    39,    39,    39,    40,    40,    41,    42,    43,
-      44,    45,    45,    45,    45,    45,    45,    45,    46,    46,
-      46,    46,    46,    47,    48,    48,    49,    49,    50,    51,
-      52,    53,    54,    54,    54,    54,    54,    54,    55,    55,
-      55,    55,    56,    56,    57,    58,    59,    60,    60,    60,
-      60,    61,    62,    63,    64,    65,    65,    65,    65,    66,
-      67,    68,    69,    70,    71,    71,    71,    71,    72,    73,
-      73,    74,    74,    75,    75,    75,    76,    76,    77,    77,
-      78,    78,    78,    78,    78,    78,    78,    79,    79,    80,
-      80
+       0,    36,    37,    37,    38,    38,    39,    39,    39,    39,
+      39,    39,    39,    39,    40,    40,    40,    40,    40,    40,
+      40,    40,    41,    41,    41,    41,    41,    41,    42,    42,
+      43,    44,    45,    46,    47,    47,    47,    47,    47,    47,
+      47,    48,    48,    48,    48,    48,    49,    50,    50,    51,
+      51,    52,    53,    54,    55,    56,    56,    56,    56,    56,
+      56,    57,    57,    57,    57,    58,    58,    59,    60,    61,
+      62,    62,    62,    62,    63,    64,    65,    66,    67,    68,
+      68,    68,    68,    69,    70,    71,    72,    73,    74,    74,
+      74,    74,    75,    76,    76,    76,    77,    78,    78,    79,
+      79,    80,    80,    80,    81,    81,    82,    82,    83,    83,
+      83,    83,    83,    83,    83,    84,    84,    85,    85
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
 static const yytype_uint8 yyr2[] =
 {
-       0,     2,     1,     0,     2,     2,     2,     4,     2,     4,
-       4,     3,     1,     1,     1,     1,     1,     1,     1,     1,
-       1,     1,     1,     1,     1,     3,     2,     3,     2,     3,
-       2,     0,     2,     2,     2,     2,     2,     2,     3,     4,
-       4,     4,     5,     3,     0,     3,     0,     2,     3,     2,
-       1,     3,     0,     2,     2,     2,     2,     2,     4,     3,
-       2,     4,     0,     2,     3,     1,     3,     0,     2,     2,
-       2,     3,     2,     1,     3,     0,     2,     2,     2,     3,
-       3,     2,     2,     2,     0,     2,     2,     2,     4,     0,
-       2,     1,     1,     2,     2,     2,     1,     2,     0,     2,
-       1,     3,     3,     3,     2,     3,     3,     1,     1,     0,
-       1
+       0,     2,     2,     1,     2,     1,     0,     2,     2,     2,
+       2,     4,     4,     3,     1,     1,     1,     1,     1,     1,
+       1,     1,     1,     1,     1,     1,     1,     1,     3,     2,
+       3,     2,     3,     2,     0,     2,     2,     2,     2,     2,
+       2,     3,     4,     4,     4,     5,     3,     0,     3,     0,
+       2,     3,     2,     1,     3,     0,     2,     2,     2,     2,
+       2,     4,     3,     2,     4,     0,     2,     3,     1,     3,
+       0,     2,     2,     2,     3,     3,     3,     1,     3,     0,
+       2,     2,     2,     3,     3,     2,     2,     2,     0,     2,
+       2,     2,     4,     0,     2,     2,     2,     0,     2,     1,
+       1,     2,     2,     2,     1,     2,     0,     2,     1,     3,
+       3,     3,     2,     3,     3,     1,     1,     0,     1
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -649,158 +626,172 @@ static const yytype_uint8 yyr2[] =
    means the default is an error.  */
 static const yytype_uint8 yydefact[] =
 {
-       3,     0,     0,     1,     0,     0,     0,     0,     0,   109,
-       0,     0,     0,     0,     0,     0,    12,    16,    13,    14,
-      18,    15,    17,     0,    19,     0,     4,    31,    22,    31,
-      23,    52,    62,     5,    67,    20,    84,    75,     6,    24,
-      84,    21,     8,    11,    91,    92,     0,     0,    93,     0,
-     110,     0,    94,     0,     0,     0,   107,   108,     0,     0,
-       0,   100,    95,     0,     0,     0,     0,     0,     0,     0,
-       0,     0,     0,    96,     7,    71,    79,    48,    80,    27,
-      29,     0,   104,     0,     0,    64,     0,     0,     9,    10,
-       0,     0,     0,     0,    89,     0,     0,     0,    44,     0,
-      37,    36,    32,    33,     0,    35,    34,     0,     0,    89,
-       0,    56,    57,    53,    55,    54,    63,    51,    50,    68,
-      70,    66,    69,    65,    86,    87,    85,    76,    78,    74,
-      77,    73,    97,   103,   105,   106,   102,   101,    26,    82,
-       0,    98,     0,    98,    98,    98,     0,     0,     0,    83,
-      60,    98,     0,    98,     0,     0,     0,    38,    90,     0,
-       0,    98,    46,    43,    25,     0,    59,     0,    88,    99,
-      39,    40,    41,     0,     0,    45,    58,    61,    42,    47
+       6,     0,   104,     0,     3,     0,     6,     6,    99,   100,
+       0,     1,     0,     0,     0,     0,   117,     0,     0,     0,
+       0,     0,     0,    14,    18,    15,    16,    20,    17,    19,
+      21,     0,    22,     0,     7,    34,    25,    34,    26,    55,
+      65,     8,    70,    23,    93,    79,     9,    27,    88,    24,
+      10,     0,   105,     2,    74,    13,     0,   101,     0,   118,
+       0,   102,     0,     0,     0,   115,   116,     0,     0,     0,
+     108,   103,     0,     0,     0,     0,     0,     0,     0,    88,
+       0,     0,    75,    83,    51,    84,    30,    32,     0,   112,
+       0,     0,    67,     0,     0,    11,    12,     0,     0,     0,
+       0,    97,     0,     0,     0,    47,     0,    40,    39,    35,
+      36,     0,    38,    37,     0,     0,    97,     0,    59,    60,
+      56,    58,    57,    66,    54,    53,    71,    73,    69,    72,
+      68,   106,    95,     0,    94,    80,    82,    78,    81,    77,
+      90,    91,    89,   111,   113,   114,   110,   109,    29,    86,
+       0,   106,     0,   106,   106,   106,     0,     0,     0,    87,
+      63,   106,     0,   106,     0,    96,     0,     0,    41,    98,
+       0,     0,   106,    49,    46,    28,     0,    62,     0,   107,
+      92,    42,    43,    44,     0,     0,    48,    61,    64,    45,
+      50
 };
 
 /* YYDEFGOTO[NTERM-NUM].  */
 static const yytype_int16 yydefgoto[] =
 {
-      -1,     1,     2,    25,    26,   101,    27,    28,    29,    30,
-      65,   102,   103,   147,   175,    31,    32,   117,    33,    67,
-     113,    68,    34,   121,    35,    69,    36,    37,   129,    38,
-      71,    39,    40,    41,   104,   105,    70,   106,   142,   143,
-      42,    74,   156,    60,    61,    51
+      -1,     3,     4,     5,    33,    34,   108,    35,    36,    37,
+      38,    74,   109,   110,   157,   186,    39,    40,   124,    41,
+      76,   120,    77,    42,   128,    43,    78,     6,    44,    45,
+     137,    46,    80,    47,    48,    49,   111,   112,    81,   113,
+      79,   134,   152,   153,    50,     7,   165,    69,    70,    60
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -80
+#define YYPACT_NINF -90
 static const yytype_int16 yypact[] =
 {
-     -80,     2,   132,   -80,   -13,    -1,    -1,    -2,    -1,     9,
-      33,    -1,    27,    40,    -3,    38,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,    71,   -80,    77,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,    57,    61,   -80,    63,
-     -80,    76,   -80,    87,   101,   133,   -80,   -80,    -3,    -3,
-     195,    -6,   -80,   136,   149,    39,   104,    65,   150,     5,
-     194,     5,   167,   -80,   176,   -80,   -80,   -80,   -80,   -80,
-     -80,    68,   -80,    -3,    -3,   176,    72,    72,   -80,   -80,
-     177,   187,    78,    -1,    -1,    -3,   196,    72,   -80,   222,
-     -80,   -80,   -80,   -80,   221,   -80,   -80,   205,    -1,    -1,
-     211,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,
-     -80,   -80,   -80,   -80,   206,   -80,   -80,   -80,   -80,   -80,
-      -3,   223,   209,   223,   197,   223,    72,     7,   210,   -80,
-     -80,   223,   212,   223,   201,    -3,   213,   -80,   -80,   214,
-     215,   223,   208,   -80,   -80,   216,   -80,   217,   -80,   113,
-     -80,   -80,   -80,   218,    -1,   -80,   -80,   -80,   -80,   -80
+       4,    42,   -90,    96,   -90,   111,   -90,    15,   -90,   -90,
+      75,   -90,    82,    42,   104,    42,   110,   107,    42,   115,
+     125,    -4,   121,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   162,   -90,   163,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   139,   -90,   -90,   138,   -90,   142,   -90,   143,   -90,
+     152,   -90,   164,   167,   168,   -90,   -90,    -4,    -4,    77,
+     -18,   -90,   177,   185,    33,    71,   195,   247,   236,    -2,
+     236,   171,   -90,   -90,   -90,   -90,   -90,   -90,    41,   -90,
+      -4,    -4,   138,    97,    97,   -90,   -90,   186,   187,   194,
+      42,    42,    -4,   196,    97,   -90,   219,   -90,   -90,   -90,
+     -90,   210,   -90,   -90,   204,    42,    42,   199,   -90,   -90,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   222,   -90,   223,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -90,   -90,   -90,   215,   -90,   -90,   -90,   -90,   -90,
+      -4,   222,   228,   222,    -5,   222,    97,    35,   229,   -90,
+     -90,   222,   232,   222,    -4,   -90,   135,   233,   -90,   -90,
+     234,   235,   222,   240,   -90,   -90,   237,   -90,   239,   -13,
+     -90,   -90,   -90,   -90,   244,    42,   -90,   -90,   -90,   -90,
+     -90
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const yytype_int16 yypgoto[] =
 {
-     -80,   -80,   -80,   -80,   122,   -34,   -80,   -80,   -80,   -80,
-     220,   -80,   -80,   -80,   -80,   -80,   -80,   -80,    59,   -80,
-     -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   -80,   125,
-     -80,   -80,   -80,   -80,   -80,   183,   219,    22,   142,    -5,
-     147,   192,    69,   -54,   -79,   -80
+     -90,   -90,   269,   271,   -90,    23,   -70,   -90,   -90,   -90,
+     -90,   243,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -48,
+     -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,   -90,
+     -90,   -20,   -90,   -90,   -90,   -90,   -90,   206,   205,   -68,
+     -90,   -90,   169,    -1,    27,    -7,   118,   -66,   -89,   -90
 };
 
 /* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -82
+#define YYTABLE_NINF -86
 static const yytype_int16 yytable[] =
 {
-      46,    47,     3,    49,    81,    82,    53,   136,   137,     6,
-       7,     8,     9,    10,    11,    12,    13,    43,   146,    14,
-      15,    86,    56,    57,    44,    45,    58,    87,    48,   134,
-     135,    59,   162,   112,    50,    24,   125,   163,   125,   -28,
-      90,   144,   -28,   -28,   -28,   -28,   -28,   -28,   -28,   -28,
-     -28,    91,    54,   -28,   -28,    92,   -28,    93,    94,    95,
-      96,    97,    98,    52,    99,    55,    90,   161,    62,   100,
-     -49,   -49,    63,   -49,   -49,   -49,   -49,    91,    64,   -49,
-     -49,    92,   107,   108,   109,   110,   154,    73,   141,   115,
-      99,    75,   126,    76,   126,   111,   133,    56,    57,    83,
-      84,   169,   140,   151,   -30,    90,    77,   -30,   -30,   -30,
-     -30,   -30,   -30,   -30,   -30,   -30,    91,    78,   -30,   -30,
-      92,   -30,    93,    94,    95,    96,    97,    98,   120,    99,
-     128,    79,    -2,     4,   100,     5,     6,     7,     8,     9,
-      10,    11,    12,    13,    83,    84,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     7,     8,    23,    10,    11,
-      12,    13,    24,    80,    14,    15,    88,   -81,    90,   179,
-     -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,   -81,    89,
-      24,   -81,   -81,    92,   -81,   -81,   -81,   -81,   -81,   -81,
-     116,   119,    99,   127,   122,    90,   130,   124,   -72,   -72,
-     -72,   -72,   -72,   -72,   -72,   -72,   132,   138,   -72,   -72,
-      92,   155,   158,   159,   160,   118,   123,   139,   131,    99,
-     165,   145,   167,   148,   124,    73,    83,    84,    83,    84,
-     173,   168,    83,    84,   149,   150,   153,   155,    84,   157,
-     164,   174,   166,   170,   171,   172,   176,   177,   178,    66,
-     114,   152,    85,     0,     0,     0,     0,     0,     0,    72
+      10,    88,    89,    54,   146,   147,   119,     1,   122,   164,
+      93,   141,    56,   142,    58,   156,    94,    62,     1,    90,
+      91,   131,    65,    66,   144,   145,    67,    90,    91,   132,
+     127,    68,   136,   -31,    97,     2,   154,   -31,   -31,   -31,
+     -31,   -31,   -31,   -31,   -31,    98,    52,   -31,   -31,    99,
+     -31,   100,   101,   102,   103,   104,   -31,   105,   129,   106,
+     138,   173,    92,   141,   107,   142,   174,   172,     8,     9,
+     143,   -33,    97,    90,    91,   -33,   -33,   -33,   -33,   -33,
+     -33,   -33,   -33,    98,   166,   -33,   -33,    99,   -33,   100,
+     101,   102,   103,   104,   -33,   105,    11,   106,   179,   151,
+     123,   126,   107,   135,   125,   130,     2,   139,     2,    90,
+      91,    -5,    12,    55,   161,    13,    14,    15,    16,    17,
+      18,    19,    20,    65,    66,    21,    22,    23,    24,    25,
+      26,    27,    28,    29,    30,    57,    59,    31,    61,    -4,
+      12,    63,    32,    13,    14,    15,    16,    17,    18,    19,
+      20,    64,    71,    21,    22,    23,    24,    25,    26,    27,
+      28,    29,    30,    72,    73,    31,   180,    90,    91,    52,
+      32,   -85,    97,    82,    83,   -85,   -85,   -85,   -85,   -85,
+     -85,   -85,   -85,    84,   190,   -85,   -85,    99,   -85,   -85,
+     -85,   -85,   -85,   -85,   -85,    85,    97,   106,    86,    87,
+     -52,   -52,   140,   -52,   -52,   -52,   -52,    98,    95,   -52,
+     -52,    99,   114,   115,   116,   117,    96,   148,   149,   150,
+     158,   106,   155,   159,    97,   163,   118,   -76,   -76,   -76,
+     -76,   -76,   -76,   -76,   -76,   160,   164,   -76,   -76,    99,
+      13,    14,    15,    16,    17,    18,    19,    20,    91,   106,
+      21,    22,    14,    15,   140,    17,    18,    19,    20,   168,
+     175,    21,    22,   177,   181,   182,   183,    32,   187,   167,
+     188,   169,   170,   171,   185,   189,    53,    51,    32,   176,
+      75,   178,   121,     0,   133,   162,     0,     0,     0,     0,
+     184
 };
 
 static const yytype_int16 yycheck[] =
 {
-       5,     6,     0,     8,    58,    59,    11,    86,    87,     4,
-       5,     6,     7,     8,     9,    10,    11,    30,    97,    14,
-      15,    27,    25,    26,    25,    26,    29,    33,    30,    83,
-      84,    34,    25,    67,    25,    30,    70,    30,    72,     0,
-       1,    95,     3,     4,     5,     6,     7,     8,     9,    10,
-      11,    12,    25,    14,    15,    16,    17,    18,    19,    20,
-      21,    22,    23,    30,    25,    25,     1,   146,    30,    30,
-       5,     6,     1,     8,     9,    10,    11,    12,     1,    14,
-      15,    16,    17,    18,    19,    20,   140,    30,    93,    67,
-      25,    30,    70,    30,    72,    30,    28,    25,    26,    31,
-      32,   155,    24,   108,     0,     1,    30,     3,     4,     5,
-       6,     7,     8,     9,    10,    11,    12,    30,    14,    15,
-      16,    17,    18,    19,    20,    21,    22,    23,    69,    25,
-      71,    30,     0,     1,    30,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    31,    32,    14,    15,    16,    17,
-      18,    19,    20,    21,    22,     5,     6,    25,     8,     9,
-      10,    11,    30,    30,    14,    15,    30,     0,     1,   174,
-       3,     4,     5,     6,     7,     8,     9,    10,    11,    30,
-      30,    14,    15,    16,    17,    18,    19,    20,    21,    22,
-      68,    69,    25,    71,    69,     1,    71,    30,     4,     5,
-       6,     7,     8,     9,    10,    11,    30,    30,    14,    15,
-      16,    14,   143,   144,   145,    68,    69,    30,    71,    25,
-     151,    25,   153,     1,    30,    30,    31,    32,    31,    32,
-     161,    30,    31,    32,    13,    30,    25,    14,    32,    30,
-      30,    33,    30,    30,    30,    30,    30,    30,    30,    29,
-      67,   109,    60,    -1,    -1,    -1,    -1,    -1,    -1,    40
+       1,    67,    68,    10,    93,    94,    76,     3,    76,    14,
+      28,    81,    13,    81,    15,   104,    34,    18,     3,    32,
+      33,    23,    26,    27,    90,    91,    30,    32,    33,    31,
+      78,    35,    80,     0,     1,    31,   102,     4,     5,     6,
+       7,     8,     9,    10,    11,    12,    31,    14,    15,    16,
+      17,    18,    19,    20,    21,    22,    23,    24,    78,    26,
+      80,    26,    69,   133,    31,   133,    31,   156,    26,    27,
+      29,     0,     1,    32,    33,     4,     5,     6,     7,     8,
+       9,    10,    11,    12,   150,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    24,     0,    26,   164,   100,
+      77,    78,    31,    80,    77,    78,    31,    80,    31,    32,
+      33,     0,     1,    31,   115,     4,     5,     6,     7,     8,
+       9,    10,    11,    26,    27,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,    26,    26,    31,     0,
+       1,    26,    31,     4,     5,     6,     7,     8,     9,    10,
+      11,    26,    31,    14,    15,    16,    17,    18,    19,    20,
+      21,    22,    23,     1,     1,    26,    31,    32,    33,    31,
+      31,     0,     1,    31,    31,     4,     5,     6,     7,     8,
+       9,    10,    11,    31,   185,    14,    15,    16,    17,    18,
+      19,    20,    21,    22,    23,    31,     1,    26,    31,    31,
+       5,     6,    31,     8,     9,    10,    11,    12,    31,    14,
+      15,    16,    17,    18,    19,    20,    31,    31,    31,    25,
+       1,    26,    26,    13,     1,    26,    31,     4,     5,     6,
+       7,     8,     9,    10,    11,    31,    14,    14,    15,    16,
+       4,     5,     6,     7,     8,     9,    10,    11,    33,    26,
+      14,    15,     5,     6,    31,     8,     9,    10,    11,    31,
+      31,    14,    15,    31,    31,    31,    31,    31,    31,   151,
+      31,   153,   154,   155,    34,    31,     7,     6,    31,   161,
+      37,   163,    76,    -1,    79,   116,    -1,    -1,    -1,    -1,
+     172
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const yytype_uint8 yystos[] =
 {
-       0,    36,    37,     0,     1,     3,     4,     5,     6,     7,
-       8,     9,    10,    11,    14,    15,    16,    17,    18,    19,
-      20,    21,    22,    25,    30,    38,    39,    41,    42,    43,
-      44,    50,    51,    53,    57,    59,    61,    62,    64,    66,
-      67,    68,    75,    30,    25,    26,    74,    74,    30,    74,
-      25,    80,    30,    74,    25,    25,    25,    26,    29,    34,
-      78,    79,    30,     1,     1,    45,    45,    54,    56,    60,
-      71,    65,    71,    30,    76,    30,    30,    30,    30,    30,
-      30,    78,    78,    31,    32,    76,    27,    33,    30,    30,
-       1,    12,    16,    18,    19,    20,    21,    22,    23,    25,
-      30,    40,    46,    47,    69,    70,    72,    17,    18,    19,
-      20,    30,    40,    55,    70,    72,    39,    52,    75,    39,
-      53,    58,    64,    75,    30,    40,    72,    39,    53,    63,
-      64,    75,    30,    28,    78,    78,    79,    79,    30,    30,
-      24,    74,    73,    74,    78,    25,    79,    48,     1,    13,
-      30,    74,    73,    25,    78,    14,    77,    30,    77,    77,
-      77,    79,    25,    30,    30,    77,    30,    77,    30,    78,
-      30,    30,    30,    77,    33,    49,    30,    30,    30,    74
+       0,     3,    31,    37,    38,    39,    63,    81,    26,    27,
+      79,     0,     1,     4,     5,     6,     7,     8,     9,    10,
+      11,    14,    15,    16,    17,    18,    19,    20,    21,    22,
+      23,    26,    31,    40,    41,    43,    44,    45,    46,    52,
+      53,    55,    59,    61,    64,    65,    67,    69,    70,    71,
+      80,    39,    31,    38,    81,    31,    79,    31,    79,    26,
+      85,    31,    79,    26,    26,    26,    27,    30,    35,    83,
+      84,    31,     1,     1,    47,    47,    56,    58,    62,    76,
+      68,    74,    31,    31,    31,    31,    31,    31,    83,    83,
+      32,    33,    81,    28,    34,    31,    31,     1,    12,    16,
+      18,    19,    20,    21,    22,    24,    26,    31,    42,    48,
+      49,    72,    73,    75,    17,    18,    19,    20,    31,    42,
+      57,    73,    75,    41,    54,    80,    41,    55,    60,    67,
+      80,    23,    31,    74,    77,    41,    55,    66,    67,    80,
+      31,    42,    75,    29,    83,    83,    84,    84,    31,    31,
+      25,    79,    78,    79,    83,    26,    84,    50,     1,    13,
+      31,    79,    78,    26,    14,    82,    83,    82,    31,    82,
+      82,    82,    84,    26,    31,    31,    82,    31,    82,    83,
+      31,    31,    31,    31,    82,    34,    51,    31,    31,    31,
+      79
 };
 
 #define yyerrok		(yyerrstatus = 0)
@@ -985,17 +976,20 @@ yy_symbol_print (yyoutput, yytype, yyvaluep)
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
 #else
 static void
-yy_stack_print (bottom, top)
-    yytype_int16 *bottom;
-    yytype_int16 *top;
+yy_stack_print (yybottom, yytop)
+    yytype_int16 *yybottom;
+    yytype_int16 *yytop;
 #endif
 {
   YYFPRINTF (stderr, "Stack now");
-  for (; bottom <= top; ++bottom)
-    YYFPRINTF (stderr, " %d", *bottom);
+  for (; yybottom <= yytop; yybottom++)
+    {
+      int yybot = *yybottom;
+      YYFPRINTF (stderr, " %d", yybot);
+    }
   YYFPRINTF (stderr, "\n");
 }
 
@@ -1029,11 +1023,11 @@ yy_reduce_print (yyvsp, yyrule)
   /* The symbols being reduced.  */
   for (yyi = 0; yyi < yynrhs; yyi++)
     {
-      fprintf (stderr, "   $%d = ", yyi + 1);
+      YYFPRINTF (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
 		       &(yyvsp[(yyi + 1) - (yynrhs)])
 		       		       );
-      fprintf (stderr, "\n");
+      YYFPRINTF (stderr, "\n");
     }
 }
 
@@ -1308,7 +1302,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 
   switch (yytype)
     {
-      case 51: /* "choice_entry" */
+      case 53: /* "choice_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1318,7 +1312,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
 	break;
-      case 57: /* "if_entry" */
+      case 59: /* "if_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1328,7 +1322,7 @@ yydestruct (yymsg, yytype, yyvaluep)
 };
 
 	break;
-      case 62: /* "menu_entry" */
+      case 65: /* "menu_entry" */
 
 	{
 	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
@@ -1343,10 +1337,8 @@ yydestruct (yymsg, yytype, yyvaluep)
 	break;
     }
 }
-
 
 /* Prevent warnings from -Wmissing-prototypes.  */
-
 #ifdef YYPARSE_PARAM
 #if defined __STDC__ || defined __cplusplus
 int yyparse (void *YYPARSE_PARAM);
@@ -1362,11 +1354,10 @@ int yyparse ();
 #endif /* ! YYPARSE_PARAM */
 
 
-
-/* The look-ahead symbol.  */
+/* The lookahead symbol.  */
 int yychar;
 
-/* The semantic value of the look-ahead symbol.  */
+/* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval;
 
 /* Number of syntax errors so far.  */
@@ -1374,9 +1365,9 @@ int yynerrs;
 
 
 
-/*----------.
-| yyparse.  |
-`----------*/
+/*-------------------------.
+| yyparse or yypush_parse.  |
+`-------------------------*/
 
 #ifdef YYPARSE_PARAM
 #if (defined __STDC__ || defined __C99__FUNC__ \
@@ -1400,66 +1391,68 @@ yyparse ()
 #endif
 #endif
 {
-  
-  int yystate;
-  int yyn;
-  int yyresult;
-  /* Number of tokens to shift before error messages enabled.  */
-  int yyerrstatus;
-  /* Look-ahead token as an internal (translated) token number.  */
-  int yytoken = 0;
-#if YYERROR_VERBOSE
-  /* Buffer for error messages, and its allocated size.  */
-  char yymsgbuf[128];
-  char *yymsg = yymsgbuf;
-  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
-#endif
-
-  /* Three stacks and their tools:
-     `yyss': related to states,
-     `yyvs': related to semantic values,
-     `yyls': related to locations.
 
-     Refer to the stacks thru separate pointers, to allow yyoverflow
-     to reallocate them elsewhere.  */
 
-  /* The state stack.  */
-  yytype_int16 yyssa[YYINITDEPTH];
-  yytype_int16 *yyss = yyssa;
-  yytype_int16 *yyssp;
+    int yystate;
+    /* Number of tokens to shift before error messages enabled.  */
+    int yyerrstatus;
 
-  /* The semantic value stack.  */
-  YYSTYPE yyvsa[YYINITDEPTH];
-  YYSTYPE *yyvs = yyvsa;
-  YYSTYPE *yyvsp;
+    /* The stacks and their tools:
+       `yyss': related to states.
+       `yyvs': related to semantic values.
 
+       Refer to the stacks thru separate pointers, to allow yyoverflow
+       to reallocate them elsewhere.  */
 
+    /* The state stack.  */
+    yytype_int16 yyssa[YYINITDEPTH];
+    yytype_int16 *yyss;
+    yytype_int16 *yyssp;
 
-#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+    /* The semantic value stack.  */
+    YYSTYPE yyvsa[YYINITDEPTH];
+    YYSTYPE *yyvs;
+    YYSTYPE *yyvsp;
 
-  YYSIZE_T yystacksize = YYINITDEPTH;
+    YYSIZE_T yystacksize;
 
+  int yyn;
+  int yyresult;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yytoken;
   /* The variables used to return semantic value and location from the
      action routines.  */
   YYSTYPE yyval;
 
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
+#endif
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
 
   /* The number of symbols on the RHS of the reduced rule.
      Keep to zero when no symbol should be popped.  */
   int yylen = 0;
 
+  yytoken = 0;
+  yyss = yyssa;
+  yyvs = yyvsa;
+  yystacksize = YYINITDEPTH;
+
   YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
   yynerrs = 0;
-  yychar = YYEMPTY;		/* Cause a token to be read.  */
+  yychar = YYEMPTY; /* Cause a token to be read.  */
 
   /* Initialize stack pointers.
      Waste one element of value and location stack
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
-
   yyssp = yyss;
   yyvsp = yyvs;
 
@@ -1489,7 +1482,6 @@ yyparse ()
 	YYSTYPE *yyvs1 = yyvs;
 	yytype_int16 *yyss1 = yyss;
 
-
 	/* Each stack pointer address is followed by the size of the
 	   data in use in that stack, in bytes.  This used to be a
 	   conditional around just the two extra args, but that might
@@ -1497,7 +1489,6 @@ yyparse ()
 	yyoverflow (YY_("memory exhausted"),
 		    &yyss1, yysize * sizeof (*yyssp),
 		    &yyvs1, yysize * sizeof (*yyvsp),
-
 		    &yystacksize);
 
 	yyss = yyss1;
@@ -1520,9 +1511,8 @@ yyparse ()
 	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
 	if (! yyptr)
 	  goto yyexhaustedlab;
-	YYSTACK_RELOCATE (yyss);
-	YYSTACK_RELOCATE (yyvs);
-
+	YYSTACK_RELOCATE (yyss_alloc, yyss);
+	YYSTACK_RELOCATE (yyvs_alloc, yyvs);
 #  undef YYSTACK_RELOCATE
 	if (yyss1 != yyssa)
 	  YYSTACK_FREE (yyss1);
@@ -1533,7 +1523,6 @@ yyparse ()
       yyssp = yyss + yysize - 1;
       yyvsp = yyvs + yysize - 1;
 
-
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
 		  (unsigned long int) yystacksize));
 
@@ -1543,6 +1532,9 @@ yyparse ()
 
   YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
+  if (yystate == YYFINAL)
+    YYACCEPT;
+
   goto yybackup;
 
 /*-----------.
@@ -1551,16 +1543,16 @@ yyparse ()
 yybackup:
 
   /* Do appropriate processing given the current state.  Read a
-     look-ahead token if we need one and don't already have one.  */
+     lookahead token if we need one and don't already have one.  */
 
-  /* First try to decide what to do without reference to look-ahead token.  */
+  /* First try to decide what to do without reference to lookahead token.  */
   yyn = yypact[yystate];
   if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a look-ahead token if don't already have one.  */
+  /* Not known => get a lookahead token if don't already have one.  */
 
-  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol.  */
   if (yychar == YYEMPTY)
     {
       YYDPRINTF ((stderr, "Reading a token: "));
@@ -1592,20 +1584,16 @@ yybackup:
       goto yyreduce;
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   /* Count tokens shifted since error; after three, turn off error
      status.  */
   if (yyerrstatus)
     yyerrstatus--;
 
-  /* Shift the look-ahead token.  */
+  /* Shift the lookahead token.  */
   YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
-  /* Discard the shifted token unless it is eof.  */
-  if (yychar != YYEOF)
-    yychar = YYEMPTY;
+  /* Discard the shifted token.  */
+  yychar = YYEMPTY;
 
   yystate = yyn;
   *++yyvsp = yylval;
@@ -1644,39 +1632,39 @@ yyreduce:
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
-        case 8:
+        case 10:
 
     { zconf_error("unexpected end statement"); ;}
     break;
 
-  case 9:
+  case 11:
 
     { zconf_error("unknown statement \"%s\"", (yyvsp[(2) - (4)].string)); ;}
     break;
 
-  case 10:
+  case 12:
 
     {
 	zconf_error("unexpected option \"%s\"", kconf_id_strings + (yyvsp[(2) - (4)].id)->name);
 ;}
     break;
 
-  case 11:
+  case 13:
 
     { zconf_error("invalid statement"); ;}
     break;
 
-  case 25:
+  case 28:
 
     { zconf_error("unknown option \"%s\"", (yyvsp[(1) - (3)].string)); ;}
     break;
 
-  case 26:
+  case 29:
 
     { zconf_error("invalid option"); ;}
     break;
 
-  case 27:
+  case 30:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1686,7 +1674,7 @@ yyreduce:
 ;}
     break;
 
-  case 28:
+  case 31:
 
     {
 	menu_end_entry();
@@ -1694,7 +1682,7 @@ yyreduce:
 ;}
     break;
 
-  case 29:
+  case 32:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), 0);
@@ -1704,7 +1692,7 @@ yyreduce:
 ;}
     break;
 
-  case 30:
+  case 33:
 
     {
 	if (current_entry->prompt)
@@ -1716,7 +1704,7 @@ yyreduce:
 ;}
     break;
 
-  case 38:
+  case 41:
 
     {
 	menu_set_type((yyvsp[(1) - (3)].id)->stype);
@@ -1726,7 +1714,7 @@ yyreduce:
 ;}
     break;
 
-  case 39:
+  case 42:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1734,7 +1722,7 @@ yyreduce:
 ;}
     break;
 
-  case 40:
+  case 43:
 
     {
 	menu_add_expr(P_DEFAULT, (yyvsp[(2) - (4)].expr), (yyvsp[(3) - (4)].expr));
@@ -1746,7 +1734,7 @@ yyreduce:
 ;}
     break;
 
-  case 41:
+  case 44:
 
     {
 	menu_add_symbol(P_SELECT, sym_lookup((yyvsp[(2) - (4)].string), 0), (yyvsp[(3) - (4)].expr));
@@ -1754,7 +1742,7 @@ yyreduce:
 ;}
     break;
 
-  case 42:
+  case 45:
 
     {
 	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[(2) - (5)].symbol), (yyvsp[(3) - (5)].symbol)), (yyvsp[(4) - (5)].expr));
@@ -1762,7 +1750,7 @@ yyreduce:
 ;}
     break;
 
-  case 45:
+  case 48:
 
     {
 	struct kconf_id *id = kconf_id_lookup((yyvsp[(2) - (3)].string), strlen((yyvsp[(2) - (3)].string)));
@@ -1774,17 +1762,17 @@ yyreduce:
 ;}
     break;
 
-  case 46:
+  case 49:
 
     { (yyval.string) = NULL; ;}
     break;
 
-  case 47:
+  case 50:
 
     { (yyval.string) = (yyvsp[(2) - (2)].string); ;}
     break;
 
-  case 48:
+  case 51:
 
     {
 	struct symbol *sym = sym_lookup((yyvsp[(2) - (3)].string), SYMBOL_CHOICE);
@@ -1795,14 +1783,14 @@ yyreduce:
 ;}
     break;
 
-  case 49:
+  case 52:
 
     {
 	(yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 50:
+  case 53:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_CHOICE, T_ENDCHOICE)) {
@@ -1812,7 +1800,7 @@ yyreduce:
 ;}
     break;
 
-  case 58:
+  case 61:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(2) - (4)].string), (yyvsp[(3) - (4)].expr));
@@ -1820,7 +1808,7 @@ yyreduce:
 ;}
     break;
 
-  case 59:
+  case 62:
 
     {
 	if ((yyvsp[(1) - (3)].id)->stype == S_BOOLEAN || (yyvsp[(1) - (3)].id)->stype == S_TRISTATE) {
@@ -1833,7 +1821,7 @@ yyreduce:
 ;}
     break;
 
-  case 60:
+  case 63:
 
     {
 	current_entry->sym->flags |= SYMBOL_OPTIONAL;
@@ -1841,7 +1829,7 @@ yyreduce:
 ;}
     break;
 
-  case 61:
+  case 64:
 
     {
 	if ((yyvsp[(1) - (4)].id)->stype == S_UNKNOWN) {
@@ -1853,7 +1841,7 @@ yyreduce:
 ;}
     break;
 
-  case 64:
+  case 67:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
@@ -1863,7 +1851,7 @@ yyreduce:
 ;}
     break;
 
-  case 65:
+  case 68:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_IF, T_ENDIF)) {
@@ -1873,7 +1861,14 @@ yyreduce:
 ;}
     break;
 
-  case 71:
+  case 74:
+
+    {
+	menu_add_prompt(P_MENU, (yyvsp[(2) - (3)].string), NULL);
+;}
+    break;
+
+  case 75:
 
     {
 	menu_add_entry(NULL);
@@ -1882,14 +1877,14 @@ yyreduce:
 ;}
     break;
 
-  case 72:
+  case 76:
 
     {
 	(yyval.menu) = menu_add_menu();
 ;}
     break;
 
-  case 73:
+  case 77:
 
     {
 	if (zconf_endtoken((yyvsp[(1) - (1)].id), T_MENU, T_ENDMENU)) {
@@ -1899,7 +1894,7 @@ yyreduce:
 ;}
     break;
 
-  case 79:
+  case 83:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), (yyvsp[(2) - (3)].string));
@@ -1907,7 +1902,7 @@ yyreduce:
 ;}
     break;
 
-  case 80:
+  case 84:
 
     {
 	menu_add_entry(NULL);
@@ -1916,14 +1911,14 @@ yyreduce:
 ;}
     break;
 
-  case 81:
+  case 85:
 
     {
 	menu_end_entry();
 ;}
     break;
 
-  case 82:
+  case 86:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
@@ -1931,14 +1926,14 @@ yyreduce:
 ;}
     break;
 
-  case 83:
+  case 87:
 
     {
 	current_entry->help = (yyvsp[(2) - (2)].string);
 ;}
     break;
 
-  case 88:
+  case 92:
 
     {
 	menu_add_dep((yyvsp[(3) - (4)].expr));
@@ -1946,90 +1941,96 @@ yyreduce:
 ;}
     break;
 
-  case 90:
+  case 96:
+
+    {
+	menu_add_visibility((yyvsp[(2) - (2)].expr));
+;}
+    break;
+
+  case 98:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[(1) - (2)].string), (yyvsp[(2) - (2)].expr));
 ;}
     break;
 
-  case 93:
+  case 101:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 94:
+  case 102:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 95:
+  case 103:
 
     { (yyval.id) = (yyvsp[(1) - (2)].id); ;}
     break;
 
-  case 98:
+  case 106:
 
     { (yyval.expr) = NULL; ;}
     break;
 
-  case 99:
+  case 107:
 
     { (yyval.expr) = (yyvsp[(2) - (2)].expr); ;}
     break;
 
-  case 100:
+  case 108:
 
     { (yyval.expr) = expr_alloc_symbol((yyvsp[(1) - (1)].symbol)); ;}
     break;
 
-  case 101:
+  case 109:
 
     { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 102:
+  case 110:
 
     { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[(1) - (3)].symbol), (yyvsp[(3) - (3)].symbol)); ;}
     break;
 
-  case 103:
+  case 111:
 
     { (yyval.expr) = (yyvsp[(2) - (3)].expr); ;}
     break;
 
-  case 104:
+  case 112:
 
     { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[(2) - (2)].expr)); ;}
     break;
 
-  case 105:
+  case 113:
 
     { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 106:
+  case 114:
 
     { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[(1) - (3)].expr), (yyvsp[(3) - (3)].expr)); ;}
     break;
 
-  case 107:
+  case 115:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), 0); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 108:
+  case 116:
 
     { (yyval.symbol) = sym_lookup((yyvsp[(1) - (1)].string), SYMBOL_CONST); free((yyvsp[(1) - (1)].string)); ;}
     break;
 
-  case 109:
+  case 117:
 
     { (yyval.string) = NULL; ;}
     break;
 
 
-/* Line 1267 of yacc.c.  */
 
       default: break;
     }
@@ -2041,7 +2042,6 @@ yyreduce:
 
   *++yyvsp = yyval;
 
-
   /* Now `shift' the result of the reduction.  Determine what state
      that goes to, based on the state we popped back to and the rule
      number reduced by.  */
@@ -2106,7 +2106,7 @@ yyerrlab:
 
   if (yyerrstatus == 3)
     {
-      /* If just tried and failed to reuse look-ahead token after an
+      /* If just tried and failed to reuse lookahead token after an
 	 error, discard it.  */
 
       if (yychar <= YYEOF)
@@ -2123,7 +2123,7 @@ yyerrlab:
 	}
     }
 
-  /* Else will try to reuse look-ahead token after shifting the error
+  /* Else will try to reuse lookahead token after shifting the error
      token.  */
   goto yyerrlab1;
 
@@ -2180,9 +2180,6 @@ yyerrlab1:
       YY_STACK_PRINT (yyss, yyssp);
     }
 
-  if (yyn == YYFINAL)
-    YYACCEPT;
-
   *++yyvsp = yylval;
 
 
@@ -2207,7 +2204,7 @@ yyabortlab:
   yyresult = 1;
   goto yyreturn;
 
-#ifndef yyoverflow
+#if !defined(yyoverflow) || YYERROR_VERBOSE
 /*-------------------------------------------------.
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/
@@ -2218,7 +2215,7 @@ yyexhaustedlab:
 #endif
 
 yyreturn:
-  if (yychar != YYEOF && yychar != YYEMPTY)
+  if (yychar != YYEMPTY)
      yydestruct ("Cleanup: discarding lookahead",
 		 yytoken, &yylval);
   /* Do not reclaim the symbols of the rule which action triggered
@@ -2255,11 +2252,11 @@ void conf_parse(const char *name)
 	zconf_initscan(name);
 
 	sym_init();
-	menu_init();
+	_menu_init();
 	modules_sym = sym_lookup(NULL, 0);
 	modules_sym->type = S_BOOLEAN;
 	modules_sym->flags |= SYMBOL_AUTO;
-	rootmenu.prompt = menu_add_prompt(P_MENU, PACKAGE, NULL);
+	rootmenu.prompt = menu_add_prompt(P_MENU, PACKAGE " Configuration", NULL);
 
 #if YYDEBUG
 	if (getenv("ZCONF_DEBUG"))
@@ -2274,6 +2271,10 @@ void conf_parse(const char *name)
 		prop = prop_alloc(P_DEFAULT, modules_sym);
 		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
 	}
+
+	rootmenu.prompt->text = _(rootmenu.prompt->text);
+	rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
+
 	menu_finalize(&rootmenu);
 	for_all_symbols(i, sym) {
 		if (sym_check_deps(sym))
@@ -2284,7 +2285,7 @@ void conf_parse(const char *name)
 	sym_set_change_count(1);
 }
 
-const char *zconf_tokenname(int token)
+static const char *zconf_tokenname(int token)
 {
 	switch (token) {
 	case T_MENU:		return "menu";
@@ -2294,6 +2295,7 @@ const char *zconf_tokenname(int token)
 	case T_IF:		return "if";
 	case T_ENDIF:		return "endif";
 	case T_DEPENDS:		return "depends";
+	case T_VISIBLE:		return "visible";
 	}
 	return "<token>";
 }
@@ -2348,7 +2350,7 @@ static void zconferror(const char *err)
 #endif
 }
 
-void print_quoted_string(FILE *out, const char *str)
+static void print_quoted_string(FILE *out, const char *str)
 {
 	const char *p;
 	int len;
@@ -2365,15 +2367,15 @@ void print_quoted_string(FILE *out, const char *str)
 	putc('"', out);
 }
 
-void print_symbol(FILE *out, struct menu *menu)
+static void print_symbol(FILE *out, struct menu *menu)
 {
 	struct symbol *sym = menu->sym;
 	struct property *prop;
 
 	if (sym_is_choice(sym))
-		fprintf(out, "choice\n");
+		fprintf(out, "\nchoice\n");
 	else
-		fprintf(out, "config %s\n", sym->name);
+		fprintf(out, "\nconfig %s\n", sym->name);
 	switch (sym->type) {
 	case S_BOOLEAN:
 		fputs("  boolean\n", out);
@@ -2419,6 +2421,21 @@ void print_symbol(FILE *out, struct menu *menu)
 		case P_CHOICE:
 			fputs("  #choice value\n", out);
 			break;
+		case P_SELECT:
+			fputs( "  select ", out);
+			expr_fprint(prop->expr, out);
+			fputc('\n', out);
+			break;
+		case P_RANGE:
+			fputs( "  range ", out);
+			expr_fprint(prop->expr, out);
+			fputc('\n', out);
+			break;
+		case P_MENU:
+			fputs( "  menu ", out);
+			print_quoted_string(out, prop->text);
+			fputc('\n', out);
+			break;
 		default:
 			fprintf(out, "  unknown prop %d!\n", prop->type);
 			break;
@@ -2430,7 +2447,6 @@ void print_symbol(FILE *out, struct menu *menu)
 			menu->help[len] = 0;
 		fprintf(out, "  help\n%s\n", menu->help);
 	}
-	fputc('\n', out);
 }
 
 void zconfdump(FILE *out)
@@ -2463,7 +2479,6 @@ void zconfdump(FILE *out)
 				expr_fprint(prop->visible.expr, out);
 				fputc('\n', out);
 			}
-			fputs("\n", out);
 		}
 
 		if (menu->list)