Merge/rework config system per the latest from linux-2.6.0-test2

 -Erik

13 files changed, 3449 insertions, 2553 deletions

diff --git a/extra/config/conf.c b/extra/config/conf.c
index 6bc5de943..20ea2c901 100644
--- a/extra/config/conf.c
+++ b/extra/config/conf.c
@@ -35,50 +35,12 @@ static struct menu *rootEntry;
 
 static char nohelp_text[] = "Sorry, no help available for this option yet.\n";
 
-#if 0
-static void printc(int ch)
-{
-	static int sep = 0;
-
-	if (!sep) {
-		putchar('[');
-		sep = 1;
-	} else if (ch)
-		putchar('/');
-	if (!ch) {
-		putchar(']');
-		putchar(' ');
-		sep = 0;
-	} else
-		putchar(ch);
-}
-#endif
-
-static void printo(const char *o)
-{
-	static int sep = 0;
-
-	if (!sep) {
-		putchar('(');
-		sep = 1;
-	} else if (o) {
-		putchar(',');
-		putchar(' ');
-	}
-	if (!o) {
-		putchar(')');
-		putchar(' ');
-		sep = 0;
-	} else
-		printf("%s", o);
-}
-
 static void strip(char *str)
 {
 	char *p = str;
 	int l;
 
-	while ((isspace((int)*p)))
+	while ((isspace(*p)))
 		p++;
 	l = strlen(p);
 	if (p != str)
@@ -86,10 +48,20 @@ static void strip(char *str)
 	if (!l)
 		return;
 	p = str + l - 1;
-	while ((isspace((int)*p)))
+	while ((isspace(*p)))
 		*p-- = 0;
 }
 
+static void check_stdin(void)
+{
+	if (!valid_stdin && input_mode == ask_silent) {
+		printf("aborted!\n\n");
+		printf("Console input/output is redirected. ");
+		printf("Run 'make oldconfig' to update configuration.\n\n");
+		exit(1);
+	}
+}
+
 static void conf_askvalue(struct symbol *sym, const char *def)
 {
 	enum symbol_type type = sym_get_type(sym);
@@ -101,6 +73,13 @@ static void conf_askvalue(struct symbol *sym, const char *def)
 	line[0] = '\n';
 	line[1] = 0;
 
+	if (!sym_is_changable(sym)) {
+		printf("%s\n", def);
+		line[0] = '\n';
+		line[1] = 0;
+		return;
+	}
+
 	switch (input_mode) {
 	case ask_new:
 	case ask_silent:
@@ -108,12 +87,7 @@ static void conf_askvalue(struct symbol *sym, const char *def)
 			printf("%s\n", def);
 			return;
 		}
-		if (!valid_stdin && input_mode == ask_silent) {
-			printf("aborted!\n\n");
-			printf("Console input/output is redirected. ");
-			printf("Run 'make oldconfig' to update configuration.\n\n");
-			exit(1);
-		}
+		check_stdin();
 	case ask_all:
 		fflush(stdout);
 		fgets(line, 128, stdin);
@@ -294,9 +268,8 @@ help:
 static int conf_choice(struct menu *menu)
 {
 	struct symbol *sym, *def_sym;
-	struct menu *cmenu, *def_menu;
-	const char *help;
-	int type, len;
+	struct menu *child;
+	int type;
 	bool is_new;
 
 	sym = menu->sym;
@@ -314,72 +287,111 @@ static int conf_choice(struct menu *menu)
 			break;
 		}
 	} else {
-		sym->def = sym->curr;
-		if (S_TRI(sym->curr) == mod) {
+		switch (sym_get_tristate_value(sym)) {
+		case no:
+			return 1;
+		case mod:
 			printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
 			return 0;
+		case yes:
+			break;
 		}
 	}
 
 	while (1) {
-		printf("%*s%s ", indent - 1, "", menu_get_prompt(menu));
+		int cnt, def;
+
+		printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
 		def_sym = sym_get_choice_value(sym);
-		def_menu = NULL;
-		for (cmenu = menu->list; cmenu; cmenu = cmenu->next) {
-			if (!menu_is_visible(cmenu))
+		cnt = def = 0;
+		line[0] = '0';
+		line[1] = 0;
+		for (child = menu->list; child; child = child->next) {
+			if (!menu_is_visible(child))
 				continue;
-			printo(menu_get_prompt(cmenu));
-			if (cmenu->sym == def_sym)
-				def_menu = cmenu;
-		}
-		printo(NULL);
-		if (def_menu)
-			printf("[%s] ", menu_get_prompt(def_menu));
-		else {
+			if (!child->sym) {
+				printf("%*c %s\n", indent, '*', menu_get_prompt(child));
+				continue;
+			}
+			cnt++;
+			if (child->sym == def_sym) {
+				def = cnt;
+				printf("%*c", indent, '>');
+			} else
+				printf("%*c", indent, ' ');
+			printf(" %d. %s", cnt, menu_get_prompt(child));
+			if (child->sym->name)
+				printf(" (%s)", child->sym->name);
+			if (!sym_has_value(child->sym))
+				printf(" (NEW)");
 			printf("\n");
-			return 1;
 		}
+		printf("%*schoice", indent - 1, "");
+		if (cnt == 1) {
+			printf("[1]: 1\n");
+			goto conf_childs;
+		}
+		printf("[1-%d", cnt);
+		if (sym->help)
+			printf("?");
+		printf("]: ");
 		switch (input_mode) {
 		case ask_new:
 		case ask_silent:
+			if (!is_new) {
+				cnt = def;
+				printf("%d\n", cnt);
+				break;
+			}
+			check_stdin();
 		case ask_all:
-			conf_askvalue(sym, menu_get_prompt(def_menu));
+			fflush(stdout);
+			fgets(line, 128, stdin);
 			strip(line);
+			if (line[0] == '?') {
+				printf("\n%s\n", menu->sym->help ?
+					menu->sym->help : nohelp_text);
+				continue;
+			}
+			if (!line[0])
+				cnt = def;
+			else if (isdigit(line[0]))
+				cnt = atoi(line);
+			else
+				continue;
+			break;
+		case set_random:
+			def = (random() % cnt) + 1;
+		case set_default:
+		case set_yes:
+		case set_mod:
+		case set_no:
+			cnt = def;
+			printf("%d\n", cnt);
 			break;
-		default:
-			line[0] = 0;
-			printf("\n");
 		}
-		if (line[0] == '?' && !line[1]) {
-			help = nohelp_text;
-			if (menu->sym->help)
-				help = menu->sym->help;
-			printf("\n%s\n", help);
-			continue;
+
+	conf_childs:
+		for (child = menu->list; child; child = child->next) {
+			if (!child->sym || !menu_is_visible(child))
+				continue;
+			if (!--cnt)
+				break;
 		}
-		if (line[0]) {
-			len = strlen(line);
-			line[len] = 0;
-
-			def_menu = NULL;
-			for (cmenu = menu->list; cmenu; cmenu = cmenu->next) {
-				if (!cmenu->sym || !menu_is_visible(cmenu))
-					continue;
-				if (!strncasecmp(line, menu_get_prompt(cmenu), len)) {
-					def_menu = cmenu;
-					break;
-				}
-			}
+		if (!child)
+			continue;
+		if (line[strlen(line) - 1] == '?') {
+			printf("\n%s\n", child->sym->help ?
+				child->sym->help : nohelp_text);
+			continue;
 		}
-		if (def_menu) {
-			sym_set_choice_value(sym, def_menu->sym);
-			if (def_menu->list) {
-				indent += 2;
-				conf(def_menu->list);
-				indent -= 2;
-			}
-			return 1;
+		sym_set_choice_value(sym, child->sym);
+		if (child->list) {
+			indent += 2;
+			conf(child->list);
+			indent -= 2;
 		}
+		return 1;
 	}
 }
 
@@ -420,7 +432,7 @@ static void conf(struct menu *menu)
 
 	if (sym_is_choice(sym)) {
 		conf_choice(menu);
-		if (S_TRI(sym->curr) != mod)
+		if (sym->curr.tri != mod)
 			return;
 		goto conf_childs;
 	}
@@ -454,29 +466,17 @@ static void check_conf(struct menu *menu)
 		return;
 
 	sym = menu->sym;
-	if (!sym)
-		goto conf_childs;
-
-	if (sym_is_choice(sym)) {
-		if (!sym_has_value(sym)) {
+	if (sym) {
+		if (sym_is_changable(sym) && !sym_has_value(sym)) {
 			if (!conf_cnt++)
 				printf("*\n* Restart config...\n*\n");
 			rootEntry = menu_get_parent_menu(menu);
 			conf(rootEntry);
 		}
-		if (sym_get_tristate_value(sym) != mod)
+		if (sym_is_choice(sym) && sym_get_tristate_value(sym) != mod)
 			return;
-		goto conf_childs;
 	}
 
-	if (!sym_has_value(sym)) {
-		if (!conf_cnt++)
-			printf("*\n* Restart config...\n*\n");
-		rootEntry = menu_get_parent_menu(menu);
-		conf(rootEntry);
-	}
-
-conf_childs:
 	for (child = menu->list; child; child = child->next)
 		check_conf(child);
 }
@@ -536,8 +536,8 @@ int main(int ac, char **av)
 			printf("***\n"
 				"*** You have not yet configured uClibc!\n"
 				"***\n"
-				"*** Please run some configurator (e.g. \"make oldconfig\"\n"
-				"*** or \"make menuconfig\").\n"
+				"*** Please run some configurator (e.g. \"make config\" or\n"
+				"*** \"make oldconfig\" or \"make menuconfig\").\n"
 				"***\n");
 			exit(1);
 		}
diff --git a/extra/config/confdata.c b/extra/config/confdata.c
index cb8a0e75d..694477fb6 100644
--- a/extra/config/confdata.c
+++ b/extra/config/confdata.c
@@ -1,11 +1,9 @@
 /*
  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
  * Released under the terms of the GNU GPL v2.0.
- *
- * Allow 'n' as a symbol value.
- * 2002-11-05 Petr Baudis <pasky@ucw.cz>
  */
 
+#include <sys/stat.h>
 #include <ctype.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -38,7 +36,7 @@ static char *conf_expand_value(const char *in)
 		strncat(res_value, in, src - in);
 		src++;
 		dst = name;
-		while (isalnum((int)*src) || *src == '_')
+		while (isalnum(*src) || *src == '_')
 			*dst++ = *src++;
 		*dst = 0;
 		sym = sym_lookup(name, 0);
@@ -53,7 +51,18 @@ static char *conf_expand_value(const char *in)
 
 char *conf_get_default_confname(void)
 {
-	return conf_expand_value(conf_defname);
+	struct stat buf;
+	static char fullname[4096+1];
+	char *env, *name;
+
+	name = conf_expand_value(conf_defname);
+	env = getenv(SRCTREE);
+	if (env) {
+		sprintf(fullname, "%s/%s", env, name);
+		if (!stat(fullname, &buf))
+			return fullname;
+	}
+	return name;
 }
 
 int conf_read(const char *name)
@@ -68,12 +77,12 @@ int conf_read(const char *name)
 	int i;
 
 	if (name) {
-		in = fopen(name, "r");
+		in = zconf_fopen(name);
 	} else {
 		const char **names = conf_confnames;
 		while ((name = *names++)) {
 			name = conf_expand_value(name);
-			in = fopen(name, "r");
+			in = zconf_fopen(name);
 			if (in) {
 				printf("#\n"
 				       "# using defaults found in %s\n"
@@ -93,44 +102,43 @@ int conf_read(const char *name)
 		case S_INT:
 		case S_HEX:
 		case S_STRING:
-			if (S_VAL(sym->def))
-				free(S_VAL(sym->def));
+			if (sym->user.val)
+				free(sym->user.val);
 		default:
-			S_VAL(sym->def) = NULL;
-			S_TRI(sym->def) = no;
-			;
+			sym->user.val = NULL;
+			sym->user.tri = no;
 		}
 	}
 
 	while (fgets(line, sizeof(line), in)) {
 		lineno++;
+		sym = NULL;
 		switch (line[0]) {
-		case '\n':
-			break;
-		case ' ':
-			break;
 		case '#':
-			p = strchr(line, ' ');
-			if (!p)
+			if (line[1]!=' ')
 				continue;
-			*p++ = 0;
-			p = strchr(p, ' ');
+			p = strchr(line + 2, ' ');
 			if (!p)
 				continue;
 			*p++ = 0;
 			if (strncmp(p, "is not set", 10))
 				continue;
-			sym = sym_lookup(line+2, 0);
+			sym = sym_find(line + 2);
+			if (!sym) {
+				fprintf(stderr, "%s:%d: trying to assign nonexistent symbol %s\n", name, lineno, line + 2);
+				break;
+			}
 			switch (sym->type) {
 			case S_BOOLEAN:
 			case S_TRISTATE:
-				sym->def = symbol_no.curr;
+				sym->user.tri = no;
 				sym->flags &= ~SYMBOL_NEW;
 				break;
 			default:
 				;
 			}
 			break;
+
 		case 'A' ... 'Z':
 			p = strchr(line, '=');
 			if (!p)
@@ -145,24 +153,24 @@ int conf_read(const char *name)
 				break;
 			}
 			switch (sym->type) {
-  			case S_TRISTATE:
+			case S_TRISTATE:
 				if (p[0] == 'm') {
-					S_TRI(sym->def) = mod;
+					sym->user.tri = mod;
 					sym->flags &= ~SYMBOL_NEW;
 					break;
 				}
 			case S_BOOLEAN:
 				if (p[0] == 'y') {
-					S_TRI(sym->def) = yes;
+					sym->user.tri = yes;
 					sym->flags &= ~SYMBOL_NEW;
 					break;
 				}
 				if (p[0] == 'n') {
-					S_TRI(sym->def) = no;
+					sym->user.tri = no;
 					sym->flags &= ~SYMBOL_NEW;
 					break;
 				}
-  				break;
+				break;
 			case S_STRING:
 				if (*p++ != '"')
 					break;
@@ -173,48 +181,71 @@ int conf_read(const char *name)
 					}
 					memmove(p2, p2 + 1, strlen(p2));
 				}
+				if (!p2) {
+					fprintf(stderr, "%s:%d: invalid string found\n", name, lineno);
+					exit(1);
+				}
 			case S_INT:
 			case S_HEX:
 				if (sym_string_valid(sym, p)) {
-					S_VAL(sym->def) = strdup(p);
+					sym->user.val = strdup(p);
 					sym->flags &= ~SYMBOL_NEW;
-				} else
-					fprintf(stderr, "%s:%d:symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
+				} else {
+					fprintf(stderr, "%s:%d: symbol value '%s' invalid for %s\n", name, lineno, p, sym->name);
+					exit(1);
+				}
 				break;
 			default:
 				;
 			}
-			if (sym_is_choice_value(sym)) {
-				prop = sym_get_choice_prop(sym);
-				switch (S_TRI(sym->def)) {
-				case mod:
-					if (S_TRI(prop->def->def) == yes)
-						/* warn? */;
-					break;
-				case yes:
-					if (S_TRI(prop->def->def) != no)
-						/* warn? */;
-					S_VAL(prop->def->def) = sym;
-					break;
-				case no:
-					break;
-				}
-				S_TRI(prop->def->def) = S_TRI(sym->def);
-			}
+			break;
+		case '\n':
 			break;
 		default:
 			continue;
 		}
+		if (sym && sym_is_choice_value(sym)) {
+			struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym));
+			switch (sym->user.tri) {
+			case no:
+				break;
+			case mod:
+				if (cs->user.tri == yes)
+					/* warn? */;
+				break;
+			case yes:
+				if (cs->user.tri != no)
+					/* warn? */;
+				cs->user.val = sym;
+				break;
+			}
+			cs->user.tri = E_OR(cs->user.tri, sym->user.tri);
+			cs->flags &= ~SYMBOL_NEW;
+		}
 	}
 	fclose(in);
 
 	for_all_symbols(i, sym) {
+		sym_calc_value(sym);
+		if (sym_has_value(sym) && !sym_is_choice_value(sym)) {
+			if (sym->visible == no)
+				sym->flags |= SYMBOL_NEW;
+			switch (sym->type) {
+			case S_STRING:
+			case S_INT:
+			case S_HEX:
+				if (!sym_string_within_range(sym, sym->user.val))
+					sym->flags |= SYMBOL_NEW;
+			default:
+				break;
+			}
+		}
 		if (!sym_is_choice(sym))
 			continue;
 		prop = sym_get_choice_prop(sym);
-		for (e = prop->dep; e; e = e->left.expr)
-			sym->flags |= e->right.sym->flags & SYMBOL_NEW;
-		sym->flags &= ~SYMBOL_NEW;
+		for (e = prop->expr; e; e = e->left.expr)
+			if (e->right.sym->visible != no)
+				sym->flags |= e->right.sym->flags & SYMBOL_NEW;
 	}
 
 	sym_change_count = 1;
@@ -227,36 +258,57 @@ int conf_write(const char *name)
 	FILE *out, *out_h;
 	struct symbol *sym;
 	struct menu *menu;
-	char oldname[128];
+	const char *basename;
+	char dirname[128], tmpname[128], newname[128];
 	int type, l;
 	const char *str;
 
-	out = fopen(".tmpconfig", "w");
+	dirname[0] = 0;
+	if (name && name[0]) {
+		char *slash = strrchr(name, '/');
+		if (slash) {
+			int size = slash - name + 1;
+			memcpy(dirname, name, size);
+			dirname[size] = 0;
+			if (slash[1])
+				basename = slash + 1;
+			else
+				basename = conf_def_filename;
+		} else
+			basename = name;
+	} else
+		basename = conf_def_filename;
+
+	sprintf(newname, "%s.tmpconfig.%d", dirname, getpid());
+	out = fopen(newname, "w");
 	if (!out)
 		return 1;
-	out_h = fopen(".tmpconfig.h", "w");
-	if (!out_h)
-		return 1;
+	out_h = NULL;
+	if (!name) {
+		out_h = fopen(".tmpconfig.h", "w");
+		if (!out_h)
+			return 1;
+	}
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
 		     "#\n");
-	fprintf(out_h, "/*\n"
-		       " * Automatically generated C config: don't edit\n"
-		       " */\n"
-		       "#if !defined __FEATURES_H && !defined __need_uClibc_config_h\n"
-		       "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead.\n"
-		       "#endif\n"
-		       "#define AUTOCONF_INCLUDED\n\n"
-		       "/*\n"
-		       " * Version Number\n"
-		       " */\n"
-		       "#define __UCLIBC_MAJOR__ %s\n"
-		       "#define __UCLIBC_MINOR__ %s\n"
-		       "#define __UCLIBC_SUBLEVEL__ %s\n",
-		       getenv("MAJOR_VERSION"),
-		       getenv("MINOR_VERSION"),
-		       getenv("SUBLEVEL")
-       );
+	if (out_h)
+		fprintf(out_h, "/*\n"
+			     " * Automatically generated C config: don't edit\n"
+			     " */\n"
+			     "#if !defined __FEATURES_H && !defined __need_uClibc_config_h\n"
+			     "#error Never include <bits/uClibc_config.h> directly; use <features.h> instead\n"
+			     "#endif\n"
+			     "#define AUTOCONF_INCLUDED\n\n"
+			     "/*\n"
+			     " * Version Number\n"
+			     " */\n"
+			     "#define __UCLIBC_MAJOR__ %s\n"
+			     "#define __UCLIBC_MINOR__ %s\n"
+			     "#define __UCLIBC_SUBLEVEL__ %s\n",
+			     getenv("MAJOR_VERSION"),
+			     getenv("MINOR_VERSION"),
+			     getenv("SUBLEVEL"));
 
 	if (!sym_change_count)
 		sym_clear_all_valid();
@@ -272,10 +324,11 @@ int conf_write(const char *name)
 				     "#\n"
 				     "# %s\n"
 				     "#\n", str);
-			fprintf(out_h, "\n"
-				       "/*\n"
-				       " * %s\n"
-				       " */\n", str);
+			if (out_h)
+				fprintf(out_h, "\n"
+					       "/*\n"
+					       " * %s\n"
+					       " */\n", str);
 		} else if (!(sym->flags & SYMBOL_CHOICE)) {
 			sym_calc_value(sym);
 			if (!(sym->flags & SYMBOL_WRITE))
@@ -284,7 +337,7 @@ int conf_write(const char *name)
 			type = sym->type;
 			if (type == S_TRISTATE) {
 				sym_calc_value(modules_sym);
-				if (S_TRI(modules_sym->curr) == no)
+				if (modules_sym->curr.tri == no)
 					type = S_BOOLEAN;
 			}
 			switch (type) {
@@ -293,15 +346,18 @@ int conf_write(const char *name)
 				switch (sym_get_tristate_value(sym)) {
 				case no:
 					fprintf(out, "# %s is not set\n", sym->name);
-					fprintf(out_h, "#undef __%s__\n", sym->name);
+					if (out_h)
+						fprintf(out_h, "#undef %s\n", sym->name);
 					break;
 				case mod:
 					fprintf(out, "%s=m\n", sym->name);
-					fprintf(out_h, "#define __%s__MODULE 1\n", sym->name);
+					if (out_h)
+						fprintf(out_h, "#define %s_MODULE 1\n", sym->name);
 					break;
 				case yes:
 					fprintf(out, "%s=y\n", sym->name);
-					fprintf(out_h, "#define __%s__ 1\n", sym->name);
+					if (out_h)
+						fprintf(out_h, "#define __%s__ 1\n", sym->name);
 					break;
 				}
 				break;
@@ -309,34 +365,40 @@ int conf_write(const char *name)
 				// fix me
 				str = sym_get_string_value(sym);
 				fprintf(out, "%s=\"", sym->name);
-				fprintf(out_h, "#define __%s__ \"", sym->name);
+				if (out_h)
+					fprintf(out_h, "#define __%s__ \"", sym->name);
 				do {
 					l = strcspn(str, "\"\\");
 					if (l) {
 						fwrite(str, l, 1, out);
-						fwrite(str, l, 1, out_h);
+						if (out_h)
+							fwrite(str, l, 1, out_h);
 					}
 					str += l;
 					while (*str == '\\' || *str == '"') {
 						fprintf(out, "\\%c", *str);
-						fprintf(out_h, "\\%c", *str);
+						if (out_h)
+							fprintf(out_h, "\\%c", *str);
 						str++;
 					}
 				} while (*str);
 				fputs("\"\n", out);
-				fputs("\"\n", out_h);
+				if (out_h)
+					fputs("\"\n", out_h);
 				break;
 			case S_HEX:
 				str = sym_get_string_value(sym);
 				if (str[0] != '0' || (str[1] != 'x' && str[1] != 'X')) {
 					fprintf(out, "%s=%s\n", sym->name, str);
-					fprintf(out_h, "#define __%s__ 0x%s\n", sym->name, str);
+					if (out_h)
+						fprintf(out_h, "#define __%s__ 0x%s\n", sym->name, str);
 					break;
 				}
 			case S_INT:
 				str = sym_get_string_value(sym);
 				fprintf(out, "%s=%s\n", sym->name, str);
-				fprintf(out_h, "#define __%s__ %s\n", sym->name, str);
+				if (out_h)
+					fprintf(out_h, "#define __%s__ %s\n", sym->name, str);
 				break;
 			}
 		}
@@ -356,18 +418,19 @@ int conf_write(const char *name)
 		}
 	}
 	fclose(out);
-	fclose(out_h);
-
-	if (!name) {
+	if (out_h) {
+		fclose(out_h);
 		rename(".tmpconfig.h", "include/bits/uClibc_config.h");
-		name = conf_def_filename;
 		file_write_dep(NULL);
-	} else
-		unlink(".tmpconfig.h");
-
-	sprintf(oldname, "%s.old", name);
-	rename(name, oldname);
-	if (rename(".tmpconfig", name))
+	}
+	if (!name || basename != conf_def_filename) {
+		if (!name)
+			name = conf_def_filename;
+		sprintf(tmpname, "%s.old", name);
+		rename(name, tmpname);
+	}
+	sprintf(tmpname, "%s%s", dirname, basename);
+	if (rename(newname, tmpname))
 		return 1;
 
 	sym_change_count = 0;
diff --git a/extra/config/expr.c b/extra/config/expr.c
index d1af2a581..3f15ae859 100644
--- a/extra/config/expr.c
+++ b/extra/config/expr.c
@@ -55,6 +55,13 @@ struct expr *expr_alloc_and(struct expr *e1, struct expr *e2)
 	return e2 ? expr_alloc_two(E_AND, e1, e2) : e1;
 }
 
+struct expr *expr_alloc_or(struct expr *e1, struct expr *e2)
+{
+	if (!e1)
+		return e2;
+	return e2 ? expr_alloc_two(E_OR, e1, e2) : e1;
+}
+
 struct expr *expr_copy(struct expr *org)
 {
 	struct expr *e;
@@ -158,9 +165,22 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e
 
 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
 {
-	if (!e1 || !e2 || e1->type != e2->type)
+	if (!e1 || !e2)
 		return;
-	__expr_eliminate_eq(e1->type, ep1, ep2);
+	switch (e1->type) {
+	case E_OR:
+	case E_AND:
+		__expr_eliminate_eq(e1->type, ep1, ep2);
+	default:
+		;
+	}
+	if (e1->type != e2->type) switch (e2->type) {
+	case E_OR:
+	case E_AND:
+		__expr_eliminate_eq(e2->type, ep1, ep2);
+	default:
+		;
+	}
 	e1 = expr_eliminate_yn(e1);
 	e2 = expr_eliminate_yn(e2);
 }
@@ -195,6 +215,7 @@ int expr_eq(struct expr *e1, struct expr *e2)
 		trans_count = old_count;
 		return res;
 	case E_CHOICE:
+	case E_RANGE:
 	case E_NONE:
 		/* panic */;
 	}
@@ -897,6 +918,7 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
 	case E_SYMBOL:
 		return expr_alloc_comp(type, e->left.sym, sym);
 	case E_CHOICE:
+	case E_RANGE:
 	case E_NONE:
 		/* panic */;
 	}
@@ -914,7 +936,7 @@ tristate expr_calc_value(struct expr *e)
 	switch (e->type) {
 	case E_SYMBOL:
 		sym_calc_value(e->left.sym);
-		return S_TRI(e->left.sym->curr);
+		return e->left.sym->curr.tri;
 	case E_AND:
 		val1 = expr_calc_value(e->left.expr);
 		val2 = expr_calc_value(e->right.expr);
@@ -1017,11 +1039,18 @@ void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, in
 		expr_print(e->right.expr, fn, data, E_AND);
 		break;
 	case E_CHOICE:
+		fn(data, e->right.sym->name);
 		if (e->left.expr) {
-			expr_print(e->left.expr, fn, data, E_CHOICE);
 			fn(data, " ^ ");
+			expr_print(e->left.expr, fn, data, E_CHOICE);
 		}
+		break;
+	case E_RANGE:
+		fn(data, "[");
+		fn(data, e->left.sym->name);
+		fn(data, " ");
 		fn(data, e->right.sym->name);
+		fn(data, "]");
 		break;
 	default:
 	  {
diff --git a/extra/config/expr.h b/extra/config/expr.h
index e96d03b5a..cc616f1f8 100644
--- a/extra/config/expr.h
+++ b/extra/config/expr.h
@@ -18,10 +18,6 @@ extern "C" {
 struct file {
 	struct file *next;
 	struct file *parent;
-#ifdef CML1
-	struct statement *stmt;
-	struct statement *last_stmt;
-#endif
 	char *name;
 	int lineno;
 	int flags;
@@ -36,7 +32,7 @@ typedef enum tristate {
 } tristate;
 
 enum expr_type {
-	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_CHOICE, E_SYMBOL
+	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_CHOICE, E_SYMBOL, E_RANGE
 };
 
 union expr_data {
@@ -45,18 +41,10 @@ union expr_data {
 };
 
 struct expr {
-#ifdef CML1
-	int token;
-#else
 	enum expr_type type;
-#endif
 	union expr_data left, right;
 };
 
-#define E_TRI(ev)	((ev).tri)
-#define E_EXPR(ev)	((ev).expr)
-#define E_CALC(ev)	(E_TRI(ev) = expr_calc_value(E_EXPR(ev)))
-
 #define E_OR(dep1, dep2)	(((dep1)>(dep2))?(dep1):(dep2))
 #define E_AND(dep1, dep2)	(((dep1)<(dep2))?(dep1):(dep2))
 #define E_NOT(dep)		(2-(dep))
@@ -66,12 +54,8 @@ struct expr_value {
 	tristate tri;
 };
 
-#define S_VAL(sv)	((sv).value)
-#define S_TRI(sv)	((sv).tri)
-#define S_EQ(sv1, sv2)	(S_VAL(sv1) == S_VAL(sv2) || !strcmp(S_VAL(sv1), S_VAL(sv2)))
-
 struct symbol_value {
-	void *value;
+	void *val;
 	tristate tri;
 };
 
@@ -83,31 +67,17 @@ struct symbol {
 	struct symbol *next;
 	char *name;
 	char *help;
-#ifdef CML1
-	int type;
-#else
 	enum symbol_type type;
-#endif
-	struct symbol_value curr, def;
+	struct symbol_value curr, user;
 	tristate visible;
 	int flags;
 	struct property *prop;
 	struct expr *dep, *dep2;
-	struct menu *menu;
+	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)
 
-#ifdef CML1
-#define SYMBOL_UNKNOWN		S_UNKNOWN
-#define SYMBOL_BOOLEAN		S_BOOLEAN
-#define SYMBOL_TRISTATE		S_TRISTATE
-#define SYMBOL_INT		S_INT
-#define SYMBOL_HEX		S_HEX
-#define SYMBOL_STRING		S_STRING
-#define SYMBOL_OTHER		S_OTHER
-#endif
-
 #define SYMBOL_YES		0x0001
 #define SYMBOL_MOD		0x0002
 #define SYMBOL_NO		0x0004
@@ -122,42 +92,38 @@ struct symbol {
 #define SYMBOL_CHANGED		0x0400
 #define SYMBOL_NEW		0x0800
 #define SYMBOL_AUTO		0x1000
+#define SYMBOL_CHECKED		0x2000
+#define SYMBOL_CHECK_DONE	0x4000
+#define SYMBOL_WARNED		0x8000
 
 #define SYMBOL_MAXLENGTH	256
 #define SYMBOL_HASHSIZE		257
 #define SYMBOL_HASHMASK		0xff
 
 enum prop_type {
-	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_ROOTMENU, P_DEFAULT, P_CHOICE
+	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE, P_SELECT, P_RANGE
 };
 
 struct property {
 	struct property *next;
 	struct symbol *sym;
-#ifdef CML1
-	int token;
-#else
 	enum prop_type type;
-#endif
 	const char *text;
-	struct symbol *def;
 	struct expr_value visible;
-	struct expr *dep;
-	struct expr *dep2;
+	struct expr *expr;
 	struct menu *menu;
 	struct file *file;
 	int lineno;
-#ifdef CML1
-	struct property *next_pos;
-#endif
 };
 
 #define for_all_properties(sym, st, tok) \
 	for (st = sym->prop; st; st = st->next) \
 		if (st->type == (tok))
-#define for_all_prompts(sym, st) for_all_properties(sym, st, P_PROMPT)
 #define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
 #define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
+#define for_all_prompts(sym, st) \
+	for (st = sym->prop; st; st = st->next) \
+		if (st->text)
 
 struct menu {
 	struct menu *next;
@@ -166,12 +132,16 @@ struct menu {
 	struct symbol *sym;
 	struct property *prompt;
 	struct expr *dep;
+	unsigned int flags;
 	//char *help;
 	struct file *file;
 	int lineno;
 	void *data;
 };
 
+#define MENU_CHANGED		0x0001
+#define MENU_ROOT		0x0002
+
 #ifndef SWIG
 
 extern struct file *file_list;
@@ -181,18 +151,12 @@ struct file *lookup_file(const char *name);
 extern struct symbol symbol_yes, symbol_no, symbol_mod;
 extern struct symbol *modules_sym;
 extern int cdebug;
-extern int print_type;
 struct expr *expr_alloc_symbol(struct symbol *sym);
-#ifdef CML1
-struct expr *expr_alloc_one(int token, struct expr *ce);
-struct expr *expr_alloc_two(int token, struct expr *e1, struct expr *e2);
-struct expr *expr_alloc_comp(int token, struct symbol *s1, struct symbol *s2);
-#else
 struct expr *expr_alloc_one(enum expr_type type, struct expr *ce);
 struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2);
 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
-#endif
 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);
 void expr_free(struct expr *e);
 int expr_eq(struct expr *e1, struct expr *e2);
@@ -212,17 +176,6 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
 void expr_fprint(struct expr *e, FILE *out);
 void print_expr(int mask, struct expr *e, int prevtoken);
 
-#ifdef CML1
-static inline int expr_is_yes(struct expr *e)
-{
-	return !e || (e->token == WORD && e->left.sym == &symbol_yes);
-}
-
-static inline int expr_is_no(struct expr *e)
-{
-	return e && (e->token == WORD && e->left.sym == &symbol_no);
-}
-#else
 static inline int expr_is_yes(struct expr *e)
 {
 	return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
@@ -233,7 +186,6 @@ static inline int expr_is_no(struct expr *e)
 	return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
 }
 #endif
-#endif
 
 #ifdef __cplusplus
 }
diff --git a/extra/config/lex.zconf.c_shipped b/extra/config/lex.zconf.c_shipped
index baad0d09e..22dda11f7 100644
--- a/extra/config/lex.zconf.c_shipped
+++ b/extra/config/lex.zconf.c_shipped
@@ -1,50 +1,84 @@
-#define yy_create_buffer zconf_create_buffer
-#define yy_delete_buffer zconf_delete_buffer
-#define yy_scan_buffer zconf_scan_buffer
-#define yy_scan_string zconf_scan_string
-#define yy_scan_bytes zconf_scan_bytes
-#define yy_flex_debug zconf_flex_debug
-#define yy_init_buffer zconf_init_buffer
-#define yy_flush_buffer zconf_flush_buffer
-#define yy_load_buffer_state zconf_load_buffer_state
-#define yy_switch_to_buffer zconf_switch_to_buffer
-#define yyin zconfin
-#define yyleng zconfleng
-#define yylex zconflex
-#define yyout zconfout
-#define yyrestart zconfrestart
-#define yytext zconftext
 
-/* A lexical scanner generated by flex */
+#line 3 "lex.zconf.c"
 
-/* Scanner skeleton version:
- * $Header: /var/cvs/uClibc/extra/config/lex.zconf.c_shipped,v 1.2 2002/11/08 00:47:06 andersen Exp $
- */
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
 
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 31
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific