Yet another major rework of the BusyBox config system, using the considerably

modified Kbuild system I put into uClibc.  With this, there should be no more
need to modify Rules.mak since I've moved all the interesting options into the
config system.  I think I've got everything updated, but you never know, I may
have made some mistakes, so watch closely.
 -Erik

1 files changed, 2017 insertions, 0 deletions

diff --git a/scripts/config/zconf.tab.c_shipped b/scripts/config/zconf.tab.c_shipped
new file mode 100644
index 0000000..33b2b6f
--- /dev/null
+++ b/scripts/config/zconf.tab.c_shipped
@@ -0,0 +1,2017 @@
+/* A Bison parser, made from zconf.y, by GNU bison 1.75.  */
+
+/* Skeleton parser for Yacc-like parsing with Bison,
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 Free Software Foundation, Inc.
+
+   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.
+
+   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., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* As a special exception, when this file is copied by Bison into a
+   Bison output file, you may use that output file without restriction.
+   This special exception was added by the Free Software Foundation
+   in version 1.24 of Bison.  */
+
+/* Written by Richard Stallman by simplifying the original so called
+   ``semantic'' parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON	1
+
+/* Pure parsers.  */
+#define YYPURE	0
+
+/* Using locations.  */
+#define YYLSP_NEEDED 0
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+   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_HELP = 266,
+     T_HELPTEXT = 267,
+     T_IF = 268,
+     T_ENDIF = 269,
+     T_DEPENDS = 270,
+     T_REQUIRES = 271,
+     T_OPTIONAL = 272,
+     T_PROMPT = 273,
+     T_DEFAULT = 274,
+     T_TRISTATE = 275,
+     T_BOOLEAN = 276,
+     T_INT = 277,
+     T_HEX = 278,
+     T_WORD = 279,
+     T_STRING = 280,
+     T_UNEQUAL = 281,
+     T_EOF = 282,
+     T_EOL = 283,
+     T_CLOSE_PAREN = 284,
+     T_OPEN_PAREN = 285,
+     T_ON = 286,
+     T_OR = 287,
+     T_AND = 288,
+     T_EQUAL = 289,
+     T_NOT = 290
+   };
+#endif
+#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_HELP 266
+#define T_HELPTEXT 267
+#define T_IF 268
+#define T_ENDIF 269
+#define T_DEPENDS 270
+#define T_REQUIRES 271
+#define T_OPTIONAL 272
+#define T_PROMPT 273
+#define T_DEFAULT 274
+#define T_TRISTATE 275
+#define T_BOOLEAN 276
+#define T_INT 277
+#define T_HEX 278
+#define T_WORD 279
+#define T_STRING 280
+#define T_UNEQUAL 281
+#define T_EOF 282
+#define T_EOL 283
+#define T_CLOSE_PAREN 284
+#define T_OPEN_PAREN 285
+#define T_ON 286
+#define T_OR 287
+#define T_AND 288
+#define T_EQUAL 289
+#define T_NOT 290
+
+
+
+
+/* Copy the first part of user declarations.  */
+#line 1 "zconf.y"
+
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ * Released under the terms of the GNU GPL v2.0.
+ */
+
+#include <ctype.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdbool.h>
+
+#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
+
+#define PRINTD		0x0001
+#define DEBUG_PARSE	0x0002
+
+int cdebug = PRINTD;
+
+extern int zconflex(void);
+static void zconfprint(const char *err, ...);
+static void zconferror(const char *err);
+static bool zconf_endtoken(int token, int starttoken, int endtoken);
+
+struct symbol *symbol_hash[257];
+
+#define YYERROR_VERBOSE
+
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 1
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+#ifndef YYSTYPE
+#line 33 "zconf.y"
+typedef union {
+	int token;
+	char *string;
+	struct symbol *symbol;
+	struct expr *expr;
+	struct menu *menu;
+} yystype;
+/* Line 193 of /usr/share/bison/yacc.c.  */
+#line 190 "zconf.tab.c"
+# define YYSTYPE yystype
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
+
+#ifndef YYLTYPE
+typedef struct yyltype
+{
+  int first_line;
+  int first_column;
+  int last_line;
+  int last_column;
+} yyltype;
+# define YYLTYPE yyltype
+# define YYLTYPE_IS_TRIVIAL 1
+#endif
+
+/* Copy the second part of user declarations.  */
+#line 83 "zconf.y"
+
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+
+/* Line 213 of /usr/share/bison/yacc.c.  */
+#line 215 "zconf.tab.c"
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# if YYSTACK_USE_ALLOCA
+#  define YYSTACK_ALLOC alloca
+# else
+#  ifndef YYSTACK_USE_ALLOCA
+#   if defined (alloca) || defined (_ALLOCA_H)
+#    define YYSTACK_ALLOC alloca
+#   else
+#    ifdef __GNUC__
+#     define YYSTACK_ALLOC __builtin_alloca
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning. */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+#  if defined (__STDC__) || defined (__cplusplus)
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   define YYSIZE_T size_t
+#  endif
+#  define YYSTACK_ALLOC malloc
+#  define YYSTACK_FREE free
+# endif
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+
+#if (! defined (yyoverflow) \
+     && (! defined (__cplusplus) \
+	 || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  short yyss;
+  YYSTYPE yyvs;
+  };
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (short) + sizeof (YYSTYPE))				\
+      + YYSTACK_GAP_MAX)
+
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if 1 < __GNUC__
+#   define YYCOPY(To, From, Count) \
+      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+#  else
+#   define YYCOPY(To, From, Count)		\
+      do					\
+	{					\
+	  register YYSIZE_T yyi;		\
+	  for (yyi = 0; yyi < (Count); yyi++)	\
+	    (To)[yyi] = (From)[yyi];	\
+	}					\
+      while (0)
+#  endif
+# endif
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   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)					\
+    do									\
+      {									\
+	YYSIZE_T yynewbytes;						\
+	YYCOPY (&yyptr->Stack, Stack, yysize);				\
+	Stack = &yyptr->Stack;						\
+	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAX;	\
+	yyptr += yynewbytes / sizeof (*yyptr);				\
+      }									\
+    while (0)
+
+#endif
+
+#if defined (__STDC__) || defined (__cplusplus)
+   typedef signed char yysigned_char;
+#else
+   typedef short yysigned_char;
+#endif
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL  2
+#define YYLAST   151
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS  36
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS  39
+/* YYNRULES -- Number of rules. */
+#define YYNRULES  96
+/* YYNRULES -- Number of states. */
+#define YYNSTATES  145
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   290
+
+#define YYTRANSLATE(X) \
+  ((unsigned)(X) <= YYMAXUTOK ? yytranslate[X] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
+static const unsigned char yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       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,
+      35
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
+static const unsigned short yyprhs[] =
+{
+       0,     0,     3,     4,     7,     9,    11,    13,    17,    19,
+      21,    23,    26,    28,    30,    32,    34,    36,    39,    43,
+      44,    48,    52,    55,    58,    61,    64,    67,    70,    73,
+      77,    81,    83,    87,    89,    94,    97,    98,   102,   106,
+     109,   112,   116,   118,   121,   122,   125,   128,   130,   136,
+     140,   141,   144,   147,   150,   153,   157,   159,   164,   167,
+     168,   171,   174,   177,   181,   184,   187,   190,   194,   197,
+     200,   201,   205,   208,   212,   215,   218,   219,   221,   225,
+     227,   229,   231,   233,   235,   237,   239,   240,   243,   245,
+     249,   253,   257,   260,   264,   268,   270
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const yysigned_char yyrhs[] =
+{
+      37,     0,    -1,    -1,    37,    38,    -1,    39,    -1,    47,
+      -1,    58,    -1,     3,    69,    71,    -1,     5,    -1,    14,
+      -1,     8,    -1,     1,    71,    -1,    53,    -1,    63,    -1,
+      41,    -1,    61,    -1,    71,    -1,    10,    24,    -1,    40,
+      28,    42,    -1,    -1,    42,    43,    28,    -1,    42,    67,
+      28,    -1,    42,    65,    -1,    42,    28,    -1,    20,    68,
+      -1,    21,    68,    -1,    22,    68,    -1,    23,    68,    -1,
+      25,    68,    -1,    18,    69,    72,    -1,    19,    74,    72,
+      -1,     7,    -1,    44,    28,    48,    -1,    70,    -1,    45,
+      50,    46,    28,    -1,    45,    50,    -1,    -1,    48,    49,
+      28,    -1,    48,    67,    28,    -1,    48,    65,    -1,    48,
+      28,    -1,    18,    69,    72,    -1,    17,    -1,    19,    74,
+      -1,    -1,    50,    39,    -1,    13,    73,    -1,    70,    -1,
+      51,    28,    54,    52,    28,    -1,    51,    28,    54,    -1,
+      -1,    54,    39,    -1,    54,    58,    -1,    54,    47,    -1,
+       4,    69,    -1,    55,    28,    66,    -1,    70,    -1,    56,
+      59,    57,    28,    -1,    56,    59,    -1,    -1,    59,    39,
+      -1,    59,    58,    -1,    59,    47,    -1,    59,     1,    28,
+      -1,     6,    69,    -1,    60,    28,    -1,     9,    69,    -1,
+      62,    28,    66,    -1,    11,    28,    -1,    64,    12,    -1,
+      -1,    66,    67,    28,    -1,    66,    28,    -1,    15,    31,
+      73,    -1,    15,    73,    -1,    16,    73,    -1,    -1,    69,
+      -1,    69,    13,    73,    -1,    24,    -1,    25,    -1,     5,
+      -1,     8,    -1,    14,    -1,    28,    -1,    27,    -1,    -1,
+      13,    73,    -1,    74,    -1,    74,    34,    74,    -1,    74,
+      26,    74,    -1,    30,    73,    29,    -1,    35,    73,    -1,
+      73,    32,    73,    -1,    73,    33,    73,    -1,    24,    -1,
+      25,    -1
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+static const unsigned short yyrline[] =
+{
+       0,    88,    88,    89,    92,    93,    94,    95,    96,    97,
+      98,    99,   102,   104,   105,   106,   107,   113,   121,   127,
+     129,   130,   131,   132,   135,   141,   147,   153,   159,   165,
+     171,   179,   188,   194,   202,   204,   210,   212,   213,   214,
+     215,   218,   224,   230,   237,   239,   244,   254,   262,   264,
+     270,   272,   273,   274,   279,   286,   292,   300,   302,   308,
+     310,   311,   312,   313,   316,   322,   329,   336,   343,   349,
+     356,   357,   358,   361,   366,   371,   379,   381,   385,   390,
+     391,   394,   395,   396,   399,   400,   402,   403,   406,   407,
+     408,   409,   410,   411,   412,   415,   416
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "T_MAINMENU", "T_MENU", "T_ENDMENU", 
+  "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG", 
+  "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS", "T_REQUIRES", 
+  "T_OPTIONAL", "T_PROMPT", "T_DEFAULT", "T_TRISTATE", "T_BOOLEAN", 
+  "T_INT", "T_HEX", "T_WORD", "T_STRING", "T_UNEQUAL", "T_EOF", "T_EOL", 
+  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_ON", "T_OR", "T_AND", "T_EQUAL", 
+  "T_NOT", "$accept", "input", "block", "common_block", 
+  "config_entry_start", "config_stmt", "config_option_list", 
+  "config_option", "choice", "choice_entry", "choice_end", "choice_stmt", 
+  "choice_option_list", "choice_option", "choice_block", "if", "if_end", 
+  "if_stmt", "if_block", "menu", "menu_entry", "menu_end", "menu_stmt", 
+  "menu_block", "source", "source_stmt", "comment", "comment_stmt", 
+  "help_start", "help", "depends_list", "depends", "prompt_stmt_opt", 
+  "prompt", "end", "nl_or_eof", "if_expr", "expr", "symbol", 0
+};
+#endif
+
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+   token YYLEX-NUM.  */
+static const unsigned short 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,   290
+};
+# endif
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const unsigned char yyr1[] =
+{
+       0,    36,    37,    37,    38,    38,    38,    38,    38,    38,
+      38,    38,    39,    39,    39,    39,    39,    40,    41,    42,
+      42,    42,    42,    42,    43,    43,    43,    43,    43,    43,
+      43,    44,    45,    46,    47,    47,    48,    48,    48,    48,
+      48,    49,    49,    49,    50,    50,    51,    52,    53,    53,
+      54,    54,    54,    54,    55,    56,    57,    58,    58,    59,
+      59,    59,    59,    59,    60,    61,    62,    63,    64,    65,
+      66,    66,    66,    67,    67,    67,    68,    68,    68,    69,
+      69,    70,    70,    70,    71,    71,    72,    72,    73,    73,
+      73,    73,    73,    73,    73,    74,    74
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
+static const unsigned char yyr2[] =
+{
+       0,     2,     0,     2,     1,     1,     1,     3,     1,     1,
+       1,     2,     1,     1,     1,     1,     1,     2,     3,     0,
+       3,     3,     2,     2,     2,     2,     2,     2,     2,     3,
+       3,     1,     3,     1,     4,     2,     0,     3,     3,     2,
+       2,     3,     1,     2,     0,     2,     2,     1,     5,     3,
+       0,     2,     2,     2,     2,     3,     1,     4,     2,     0,
+       2,     2,     2,     3,     2,     2,     2,     3,     2,     2,
+       0,     3,     2,     3,     2,     2,     0,     1,     3,     1,
+       1,     1,     1,     1,     1,     1,     0,     2,     1,     3,
+       3,     3,     2,     3,     3,     1,     1
+};
+
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
+   means the default is an error.  */
+static const unsigned char yydefact[] =
+{
+       2,     0,     1,     0,     0,     0,     8,     0,    31,    10,
+       0,     0,     0,     9,    85,    84,     3,     4,     0,    14,
+       0,    44,     5,     0,    12,     0,    59,     6,     0,    15,
+       0,    13,    16,    11,    79,    80,     0,    54,    64,    66,
+      17,    95,    96,     0,     0,    46,    88,    19,    36,    35,
+      50,    70,     0,    65,    70,     7,     0,    92,     0,     0,
+       0,     0,    18,    32,    81,    82,    83,    45,     0,    33,
+      49,    55,     0,    60,    62,     0,    61,    56,    67,    91,
+      93,    94,    90,    89,     0,     0,     0,     0,     0,    76,
+      76,    76,    76,    76,    23,     0,     0,    22,     0,    42,
+       0,     0,    40,     0,    39,     0,    34,    51,    53,     0,
+      52,    47,    72,     0,    63,    57,    68,     0,    74,    75,
+      86,    86,    24,    77,    25,    26,    27,    28,    20,    69,
+      21,    86,    43,    37,    38,    48,    71,    73,     0,    29,
+      30,     0,    41,    87,    78
+};
+
+/* YYDEFGOTO[NTERM-NUM]. */
+static const short yydefgoto[] =
+{
+      -1,     1,    16,    17,    18,    19,    62,    95,    20,    21,
+      68,    22,    63,   103,    49,    23,   109,    24,    70,    25,
+      26,    75,    27,    52,    28,    29,    30,    31,    96,    97,
+      71,   113,   122,   123,    69,    32,   139,    45,    46
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
+#define YYPACT_NINF -120
+static const short yypact[] =
+{
+    -120,    17,  -120,    41,    48,    48,  -120,    48,  -120,  -120,
+      48,   -11,    40,  -120,  -120,  -120,  -120,  -120,    13,  -120,
+      23,  -120,  -120,    66,  -120,    72,  -120,  -120,    77,  -120,
+      81,  -120,  -120,  -120,  -120,  -120,    41,  -120,  -120,  -120,
+    -120,  -120,  -120,    40,    40,    57,    59,  -120,  -120,    98,
+    -120,  -120,    49,  -120,  -120,  -120,     7,  -120,    40,    40,
+      67,    67,    99,   117,  -120,  -120,  -120,  -120,    85,  -120,
+      74,    18,    88,  -120,  -120,    95,  -120,  -120,    18,  -120,
+      96,  -120,  -120,  -120,   102,    36,    40,    48,    67,    48,
+      48,    48,    48,    48,  -120,   103,   129,  -120,   114,  -120,
+      48,    67,  -120,   115,  -120,   116,  -120,  -120,  -120,   118,
+    -120,  -120,  -120,   119,  -120,  -120,  -120,    40,    57,    57,
+     135,   135,  -120,   136,  -120,  -120,  -120,  -120,  -120,  -120,
+    -120,   135,  -120,  -120,  -120,  -120,  -120,    57,    40,  -120,
+    -120,    40,  -120,    57,    57
+};
+
+/* YYPGOTO[NTERM-NUM].  */
+static const yysigned_char yypgoto[] =
+{
+    -120,  -120,  -120,   -38,  -120,  -120,  -120,  -120,  -120,  -120,
+    -120,   -42,  -120,  -120,  -120,  -120,  -120,  -120,  -120,  -120,
+    -120,  -120,   -33,  -120,  -120,  -120,  -120,  -120,  -120,    87,
+      97,    34,    47,    -1,   -23,     2,  -119,   -43,   -53
+};
+
+/* 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, parse error.  */
+#define YYTABLE_NINF -59
+static const short yytable[] =
+{
+      56,    57,   140,    36,    37,    33,    38,    82,    83,    39,
+      74,    67,   142,    40,    73,    80,    81,     2,     3,    76,
+       4,     5,     6,     7,     8,     9,    10,    11,   108,    77,
+      12,    13,   107,    85,    86,   121,    79,   110,    55,    58,
+      59,    47,   118,   119,    14,    15,   112,   111,   132,   -58,
+      72,    48,   -58,     5,    64,     7,     8,    65,    10,    11,
+      41,    42,    12,    66,    41,    42,    43,   117,    14,    15,
+      43,    44,    34,    35,   137,    44,    14,    15,     5,    64,
+       7,     8,    65,    10,    11,    60,   120,    12,    66,    58,
+      59,    41,    42,    61,    50,   143,    98,   105,   144,   131,
+      51,    14,    15,    64,     7,    53,    65,    10,    11,    54,
+      84,    12,    66,   106,    85,    86,   114,    87,    88,    89,
+      90,    91,    92,   115,    93,    14,    15,    94,    84,    59,
+     116,   128,    85,    86,    99,   100,   101,   124,   125,   126,
+     127,   129,   130,   133,   134,   102,   135,   136,   138,   141,
+     104,    78
+};
+
+static const unsigned char yycheck[] =
+{
+      43,    44,   121,     4,     5,     3,     7,    60,    61,    10,
+      52,    49,   131,    24,    52,    58,    59,     0,     1,    52,
+       3,     4,     5,     6,     7,     8,     9,    10,    70,    52,
+      13,    14,    70,    15,    16,    88,    29,    70,    36,    32,
+      33,    28,    85,    86,    27,    28,    28,    70,   101,     0,
+       1,    28,     3,     4,     5,     6,     7,     8,     9,    10,
+      24,    25,    13,    14,    24,    25,    30,    31,    27,    28,
+      30,    35,    24,    25,   117,    35,    27,    28,     4,     5,
+       6,     7,     8,     9,    10,    26,    87,    13,    14,    32,
+      33,    24,    25,    34,    28,   138,    62,    63,   141,   100,
+      28,    27,    28,     5,     6,    28,     8,     9,    10,    28,
+      11,    13,    14,    28,    15,    16,    28,    18,    19,    20,
+      21,    22,    23,    28,    25,    27,    28,    28,    11,    33,
+      28,    28,    15,    16,    17,    18,    19,    90,    91,    92,
+      93,    12,    28,    28,    28,    28,    28,    28,    13,    13,
+      63,    54
+};
+
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+   symbol of state STATE-NUM.  */
+static const unsigned char yystos[] =
+{
+       0,    37,     0,     1,     3,     4,     5,     6,     7,     8,
+       9,    10,    13,    14,    27,    28,    38,    39,    40,    41,
+      44,    45,    47,    51,    53,    55,    56,    58,    60,    61,
+      62,    63,    71,    71,    24,    25,    69,    69,    69,    69,
+      24,    24,    25,    30,    35,    73,    74,    28,    28,    50,
+      28,    28,    59,    28,    28,    71,    73,    73,    32,    33,
+      26,    34,    42,    48,     5,     8,    14,    39,    46,    70,
+      54,    66,     1,    39,    47,    57,    58,    70,    66,    29,
+      73,    73,    74,    74,    11,    15,    16,    18,    19,    20,
+      21,    22,    23,    25,    28,    43,    64,    65,    67,    17,
+      18,    19,    28,    49,    65,    67,    28,    39,    47,    52,
+      58,    70,    28,    67,    28,    28,    28,    31,    73,    73,
+      69,    74,    68,    69,    68,    68,    68,    68,    28,    12,
+      28,    69,    74,    28,    28,    28,    28,    73,    13,    72,
+      72,    13,    72,    73,    73
+};
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# if defined (__STDC__) || defined (__cplusplus)
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
+#define yyerrok		(yyerrstatus = 0)
+#define yyclearin	(yychar = YYEMPTY)
+#define YYEMPTY		-2
+#define YYEOF		0
+
+#define YYACCEPT	goto yyacceptlab
+#define YYABORT		goto yyabortlab
+#define YYERROR		goto yyerrlab1
+
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.
+   Once GCC version 2 has supplanted version 1, this can go.  */
+
+#define YYFAIL		goto yyerrlab
+
+#define YYRECOVERING()  (!!yyerrstatus)
+
+#define YYBACKUP(Token, Value)					\
+do								\
+  if (yychar == YYEMPTY && yylen == 1)				\
+    {								\
+      yychar = (Token);						\
+      yylval = (Value);						\
+      yychar1 = YYTRANSLATE (yychar);				\
+      YYPOPSTACK;						\
+      goto yybackup;						\
+    }								\
+  else								\
+    { 								\
+      yyerror ("syntax error: cannot back up");			\
+      YYERROR;							\
+    }								\
+while (0)
+
+#define YYTERROR	1
+#define YYERRCODE	256
+
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+   are run).  */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)           \
+  Current.first_line   = Rhs[1].first_line;      \
+  Current.first_column = Rhs[1].first_column;    \
+  Current.last_line    = Rhs[N].last_line;       \
+  Current.last_column  = Rhs[N].last_column;
+#endif
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
+#define YYLEX	yylex ()
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)			\
+do {						\
+  if (yydebug)					\
+    YYFPRINTF Args;				\
+} while (0)
+# define YYDSYMPRINT(Args)			\
+do {						\
+  if (yydebug)					\
+    yysymprint Args;				\
+} while (0)
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YYDSYMPRINT(Args)
+#endif /* !YYDEBUG */
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
+#ifndef	YYINITDEPTH
+# define YYINITDEPTH 200
+#endif
+
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
+
+   Do not make this value too large; the results are undefined if
+   SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
+
+#if YYMAXDEPTH == 0
+# undef YYMAXDEPTH
+#endif
+
+#ifndef YYMAXDEPTH
+# define YYMAXDEPTH 10000
+#endif
+
+
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined (__GLIBC__) && defined (_STRING_H)
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+static YYSIZE_T
+#   if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+#   else
+yystrlen (yystr)
+     const char *yystr;
+#   endif
+{
+  register const char *yys = yystr;
+
+  while (*yys++ != '\0')
+    continue;
+
+  return yys - yystr - 1;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+static char *
+#   if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+#   else
+yystpcpy (yydest, yysrc)
+     char *yydest;
+     const char *yysrc;
+#   endif
+{
+  register char *yyd = yydest;
+  register const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
+
+  return yyd - 1;
+}
+#  endif
+# endif
+
+#endif /* !YYERROR_VERBOSE */
+
+
+
+#if YYDEBUG
+/*-----------------------------.
+| Print this symbol on YYOUT.  |
+`-----------------------------*/
+
+static void
+#if defined (__STDC__) || defined (__cplusplus)
+yysymprint (FILE* yyout, int yytype, YYSTYPE yyvalue)
+#else
+yysymprint (yyout, yytype, yyvalue)
+    FILE* yyout;
+    int yytype;
+    YYSTYPE yyvalue;
+#endif
+{
+  /* Pacify ``unused variable'' warnings.  */
+  (void) yyvalue;
+
+  if (yytype < YYNTOKENS)
+    {
+      YYFPRINTF (yyout, "token %s (", yytname[yytype]);
+# ifdef YYPRINT
+      YYPRINT (yyout, yytoknum[yytype], yyvalue);
+# endif
+    }
+  else
+    YYFPRINTF (yyout, "nterm %s (", yytname[yytype]);
+
+  switch (yytype)
+    {
+      default:
+        break;
+    }
+  YYFPRINTF (yyout, ")");
+}
+#endif /* YYDEBUG. */
+
+
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+static void
+#if defined (__STDC__) || defined (__cplusplus)
+yydestruct (int yytype, YYSTYPE yyvalue)
+#else
+yydestruct (yytype, yyvalue)
+    int yytype;
+    YYSTYPE yyvalue;
+#endif
+{
+  /* Pacify ``unused variable'' warnings.  */
+  (void) yyvalue;
+
+  switch (yytype)
+    {
+      default:
+        break;
+    }
+}
+
+
+
+/* The user can define YYPARSE_PARAM as the name of an argument to be passed
+   into yyparse.  The argument should have type void *.
+   It should actually point to an object.
+   Grammar actions can access the variable by casting it
+   to the proper pointer type.  */
+
+#ifdef YYPARSE_PARAM
+# if defined (__STDC__) || defined (__cplusplus)
+#  define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+#  define YYPARSE_PARAM_DECL
+# else
+#  define YYPARSE_PARAM_ARG YYPARSE_PARAM
+#  define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+# endif
+#else /* !YYPARSE_PARAM */
+# define YYPARSE_PARAM_ARG
+# define YYPARSE_PARAM_DECL
+#endif /* !YYPARSE_PARAM */
+
+/* Prevent warning if -Wstrict-prototypes.  */
+#ifdef __GNUC__
+# ifdef YYPARSE_PARAM
+int yyparse (void *);
+# else
+int yyparse (void);
+# endif
+#endif
+
+
+/* The lookahead symbol.  */
+int yychar;
+
+/* The semantic value of the lookahead symbol.  */
+YYSTYPE yylval;
+
+/* Number of parse errors so far.  */
+int yynerrs;
+
+
+int
+yyparse (YYPARSE_PARAM_ARG)
+     YYPARSE_PARAM_DECL
+{
+  
+  register int yystate;
+  register int yyn;
+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Lookahead token as an internal (translated) token number.  */
+  int yychar1 = 0;
+
+  /* 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.  */
+  short	yyssa[YYINITDEPTH];
+  short *yyss = yyssa;
+  register short *yyssp;
+
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  register YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK   (yyvsp--, yyssp--)
+
+  YYSIZE_T yystacksize = YYINITDEPTH;
+
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+  /* When reducing, the number of symbols on the RHS of the reduced
+     rule.  */
+  int yylen;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
+
+  yystate = 0;
+  yyerrstatus = 0;
+  yynerrs = 0;
+  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;
+
+  goto yysetstate;
+
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed. so pushing a state here evens the stacks.
+     */
+  yyssp++;
+
+ yysetstate:
+  *yyssp = yystate;
+
+  if (yyssp >= yyss + yystacksize - 1)
+    {
+      /* Get the current used size of the three stacks, in elements.  */
+      YYSIZE_T yysize = yyssp - yyss + 1;
+
+#ifdef yyoverflow
+      {
+	/* Give user a chance to reallocate the stack. Use copies of
+	   these so that the &'s don't force the real ones into
+	   memory.  */
+	YYSTYPE *yyvs1 = yyvs;
+	short *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
+	   be undefined if yyoverflow is a macro.  */
+	yyoverflow ("parser stack overflow",
+		    &yyss1, yysize * sizeof (*yyssp),
+		    &yyvs1, yysize * sizeof (*yyvsp),
+
+		    &yystacksize);
+
+	yyss = yyss1;
+	yyvs = yyvs1;
+      }
+#else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyoverflowlab;
+# else
+      /* Extend the stack our own way.  */
+      if (yystacksize >= YYMAXDEPTH)
+	goto yyoverflowlab;
+      yystacksize *= 2;
+      if (yystacksize > YYMAXDEPTH)
+	yystacksize = YYMAXDEPTH;
+
+      {
+	short *yyss1 = yyss;
+	union yyalloc *yyptr =
+	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+	if (! yyptr)
+	  goto yyoverflowlab;
+	YYSTACK_RELOCATE (yyss);
+	YYSTACK_RELOCATE (yyvs);
+
+#  undef YYSTACK_RELOCATE
+	if (yyss1 != yyssa)
+	  YYSTACK_FREE (yyss1);
+      }
+# endif
+#endif /* no yyoverflow */
+
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
+
+
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+		  (unsigned long int) yystacksize));
+
+      if (yyssp >= yyss + yystacksize - 1)
+	YYABORT;
+    }
+
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+
+  goto yybackup;
+
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
+
+/* Do appropriate processing given the current state.  */
+/* Read a lookahead token if we need one and don't already have one.  */
+/* yyresume: */
+
+  /* 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 lookahead token if don't already have one.  */
+
+  /* yychar is either YYEMPTY or YYEOF
+     or a valid token in external form.  */
+
+  if (yychar == YYEMPTY)
+    {
+      YYDPRINTF ((stderr, "Reading a token: "));
+      yychar = YYLEX;
+    }
+
+  /* Convert token to internal form (in yychar1) for indexing tables with.  */
+
+  if (yychar <= 0)		/* This means end of input.  */
+    {
+      yychar1 = 0;
+      yychar = YYEOF;		/* Don't call YYLEX any more.  */
+
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
+    }
+  else
+    {
+      yychar1 = YYTRANSLATE (yychar);
+
+      /* We have to keep this `#if YYDEBUG', since we use variables
+	 which are defined only if `YYDEBUG' is set.  */
+      YYDPRINTF ((stderr, "Next token is "));
+      YYDSYMPRINT ((stderr, yychar1, yylval));
+      YYDPRINTF ((stderr, "\n"));
+    }
+
+  /* If the proper action on seeing token YYCHAR1 is to reduce or to
+     detect an error, take that action.  */
+  yyn += yychar1;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yychar1)
+    goto yydefault;
+  yyn = yytable[yyn];
+  if (yyn <= 0)
+    {
+      if (yyn == 0 || yyn == YYTABLE_NINF)
+	goto yyerrlab;
+      yyn = -yyn;
+      goto yyreduce;
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  /* Shift the lookahead token.  */
+  YYDPRINTF ((stderr, "Shifting token %d (%s), ",
+	      yychar, yytname[yychar1]));
+
+  /* Discard the token being shifted unless it is eof.  */
+  if (yychar != YYEOF)
+    yychar = YYEMPTY;
+
+  *++yyvsp = yylval;
+
+
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
+  yyn = yydefact[yystate];
+  if (yyn == 0)
+    goto yyerrlab;
+  goto yyreduce;
+
+
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
+yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
+  yylen = yyr2[yyn];
+
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
+
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
+
+
+
+#if YYDEBUG
+  /* We have to keep this `#if YYDEBUG', since we use variables which
+     are defined only if `YYDEBUG' is set.  */
+  if (yydebug)
+    {
+      int yyi;
+
+      YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
+		 yyn - 1, yyrline[yyn]);
+
+      /* Print the symbols being reduced, and their result.  */
+      for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++)
+	YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+      YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
+    }
+#endif
+  switch (yyn)
+    {
+        case 8:
+#line 96 "zconf.y"
+    { zconfprint("unexpected 'endmenu' statement"); }
+    break;
+
+  case 9:
+#line 97 "zconf.y"
+    { zconfprint("unexpected 'endif' statement"); }
+    break;
+
+  case 10:
+#line 98 "zconf.y"
+    { zconfprint("unexpected 'endchoice' statement"); }
+    break;
+
+  case 11:
+#line 99 "zconf.y"
+    { zconfprint("syntax error"); yyerrok; }
+    break;
+
+  case 17:
+#line 114 "zconf.y"
+    {
+	struct symbol *sym = sym_lookup(yyvsp[0].string, 0);
+	sym->flags |= SYMBOL_OPTIONAL;
+	menu_add_entry(sym);
+	printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), yyvsp[0].string);
+}
+    break;
+
+  case 18:
+#line 122 "zconf.y"
+    {
+	menu_end_entry();
+	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 23:
+#line 133 "zconf.y"
+    { }
+    break;
+
+  case 24:
+#line 136 "zconf.y"
+    {
+	menu_set_type(S_TRISTATE);
+	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 25:
+#line 142 "zconf.y"
+    {
+	menu_set_type(S_BOOLEAN);
+	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 26:
+#line 148 "zconf.y"
+    {
+	menu_set_type(S_INT);
+	printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 27:
+#line 154 "zconf.y"
+    {
+	menu_set_type(S_HEX);
+	printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 28:
+#line 160 "zconf.y"
+    {
+	menu_set_type(S_STRING);
+	printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 29:
+#line 166 "zconf.y"
+    {
+	menu_add_prop(P_PROMPT, yyvsp[-1].string, NULL, yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 30:
+#line 172 "zconf.y"
+    {
+	menu_add_prop(P_DEFAULT, NULL, yyvsp[-1].symbol, yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 31:
+#line 180 "zconf.y"
+    {
+	struct symbol *sym = sym_lookup(NULL, 0);
+	sym->flags |= SYMBOL_CHOICE;
+	menu_add_entry(sym);
+	menu_add_prop(P_CHOICE, NULL, NULL, NULL);
+	printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 32:
+#line 189 "zconf.y"
+    {
+	menu_end_entry();
+	menu_add_menu();
+}
+    break;
+
+  case 33:
+#line 195 "zconf.y"
+    {
+	if (zconf_endtoken(yyvsp[0].token, T_CHOICE, T_ENDCHOICE)) {
+		menu_end_menu();
+		printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
+	}
+}
+    break;
+
+  case 35:
+#line 205 "zconf.y"
+    {
+	printf("%s:%d: missing 'endchoice' for this 'choice' statement\n", current_menu->file->name, current_menu->lineno);
+	zconfnerrs++;
+}
+    break;
+
+  case 41:
+#line 219 "zconf.y"
+    {
+	menu_add_prop(P_PROMPT, yyvsp[-1].string, NULL, yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 42:
+#line 225 "zconf.y"
+    {
+	current_entry->sym->flags |= SYMBOL_OPTIONAL;
+	printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 43:
+#line 231 "zconf.y"
+    {
+	menu_add_prop(P_DEFAULT, NULL, yyvsp[0].symbol, NULL);
+	//current_choice->prop->def = ;
+	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 46:
+#line 245 "zconf.y"
+    {
+	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
+	menu_add_entry(NULL);
+	//current_entry->prompt = menu_add_prop(T_IF, NULL, NULL, );
+	menu_add_dep(yyvsp[0].expr);
+	menu_end_entry();
+	menu_add_menu();
+}
+    break;
+
+  case 47:
+#line 255 "zconf.y"
+    {
+	if (zconf_endtoken(yyvsp[0].token, T_IF, T_ENDIF)) {
+		menu_end_menu();
+		printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
+	}
+}
+    break;
+
+  case 49:
+#line 265 "zconf.y"
+    {
+	printf("%s:%d: missing 'endif' for this 'if' statement\n", current_menu->file->name, current_menu->lineno);
+	zconfnerrs++;
+}
+    break;
+
+  case 54:
+#line 280 "zconf.y"
+    {
+	menu_add_entry(NULL);
+	menu_add_prop(P_MENU, yyvsp[0].string, NULL, NULL);
+	printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 55:
+#line 287 "zconf.y"
+    {
+	menu_end_entry();
+	menu_add_menu();
+}
+    break;
+
+  case 56:
+#line 293 "zconf.y"
+    {
+	if (zconf_endtoken(yyvsp[0].token, T_MENU, T_ENDMENU)) {
+		menu_end_menu();
+		printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
+	}
+}
+    break;
+
+  case 58:
+#line 303 "zconf.y"
+    {
+	printf("%s:%d: missing 'endmenu' for this 'menu' statement\n", current_menu->file->name, current_menu->lineno);
+	zconfnerrs++;
+}
+    break;
+
+  case 63:
+#line 313 "zconf.y"
+    { zconfprint("invalid menu option"); yyerrok; }
+    break;
+
+  case 64:
+#line 317 "zconf.y"
+    {
+	yyval.string = yyvsp[0].string;
+	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), yyvsp[0].string);
+}
+    break;
+
+  case 65:
+#line 323 "zconf.y"
+    {
+	zconf_nextfile(yyvsp[-1].string);
+}
+    break;
+
+  case 66:
+#line 330 "zconf.y"
+    {
+	menu_add_entry(NULL);
+	menu_add_prop(P_COMMENT, yyvsp[0].string, NULL, NULL);
+	printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 67:
+#line 337 "zconf.y"
+    {
+	menu_end_entry();
+}
+    break;
+
+  case 68:
+#line 344 "zconf.y"
+    {
+	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
+	zconf_starthelp();
+}
+    break;
+
+  case 69:
+#line 350 "zconf.y"
+    {
+	current_entry->sym->help = yyvsp[0].string;
+}
+    break;
+
+  case 72:
+#line 359 "zconf.y"
+    { }
+    break;
+
+  case 73:
+#line 362 "zconf.y"
+    {
+	menu_add_dep(yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 74:
+#line 367 "zconf.y"
+    {
+	menu_add_dep(yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 75:
+#line 372 "zconf.y"
+    {
+	menu_add_dep(yyvsp[0].expr);
+	printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
+}
+    break;
+
+  case 77:
+#line 382 "zconf.y"
+    {
+	menu_add_prop(P_PROMPT, yyvsp[0].string, NULL, NULL);
+}
+    break;
+
+  case 78:
+#line 386 "zconf.y"
+    {
+	menu_add_prop(P_PROMPT, yyvsp[-2].string, NULL, yyvsp[0].expr);
+}
+    break;
+
+  case 81:
+#line 394 "zconf.y"
+    { yyval.token = T_ENDMENU; }
+    break;
+
+  case 82:
+#line 395 "zconf.y"
+    { yyval.token = T_ENDCHOICE; }
+    break;
+
+  case 83:
+#line 396 "zconf.y"
+    { yyval.token = T_ENDIF; }
+    break;
+
+  case 86:
+#line 402 "zconf.y"
+    { yyval.expr = NULL; }
+    break;
+
+  case 87:
+#line 403 "zconf.y"
+    { yyval.expr = yyvsp[0].expr; }
+    break;
+
+  case 88:
+#line 406 "zconf.y"
+    { yyval.expr = expr_alloc_symbol(yyvsp[0].symbol); }
+    break;
+
+  case 89:
+#line 407 "zconf.y"
+    { yyval.expr = expr_alloc_comp(E_EQUAL, yyvsp[-2].symbol, yyvsp[0].symbol); }
+    break;
+
+  case 90:
+#line 408 "zconf.y"
+    { yyval.expr = expr_alloc_comp(E_UNEQUAL, yyvsp[-2].symbol, yyvsp[0].symbol); }
+    break;
+
+  case 91:
+#line 409 "zconf.y"
+    { yyval.expr = yyvsp[-1].expr; }
+    break;
+
+  case 92:
+#line 410 "zconf.y"
+    { yyval.expr = expr_alloc_one(E_NOT, yyvsp[0].expr); }
+    break;
+
+  case 93:
+#line 411 "zconf.y"
+    { yyval.expr = expr_alloc_two(E_OR, yyvsp[-2].expr, yyvsp[0].expr); }
+    break;
+
+  case 94:
+#line 412 "zconf.y"
+    { yyval.expr = expr_alloc_two(E_AND, yyvsp[-2].expr, yyvsp[0].expr); }
+    break;
+
+  case 95:
+#line 415 "zconf.y"
+    { yyval.symbol = sym_lookup(yyvsp[0].string, 0); free(yyvsp[0].string); }
+    break;
+
+  case 96:
+#line 416 "zconf.y"
+    { yyval.symbol = sym_lookup(yyvsp[0].string, 1); free(yyvsp[0].string); }
+    break;
+
+
+    }
+
+/* Line 1016 of /usr/share/bison/yacc.c.  */
+#line 1565 "zconf.tab.c"
+
+  yyvsp -= yylen;
+  yyssp -= yylen;
+
+
+#if YYDEBUG
+  if (yydebug)
+    {
+      short *yyssp1 = yyss - 1;
+      YYFPRINTF (stderr, "state stack now");
+      while (yyssp1 != yyssp)
+	YYFPRINTF (stderr, " %d", *++yyssp1);
+      YYFPRINTF (stderr, "\n");
+    }
+#endif
+
+  *++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.  */
+
+  yyn = yyr1[yyn];
+
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+    yystate = yytable[yystate];
+  else
+    yystate = yydefgoto[yyn - YYNTOKENS];
+
+  goto yynewstate;
+
+
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
+    {
+      ++yynerrs;
+#if YYERROR_VERBOSE
+      yyn = yypact[yystate];
+
+      if (YYPACT_NINF < yyn && yyn < YYLAST)
+	{
+	  YYSIZE_T yysize = 0;
+	  int yytype = YYTRANSLATE (yychar);
+	  char *yymsg;
+	  int yyx, yycount;
+
+	  yycount = 0;
+	  /* Start YYX at -YYN if negative to avoid negative indexes in
+	     YYCHECK.  */
+	  for (yyx = yyn < 0 ? -yyn : 0;
+	       yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+	    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+	      yysize += yystrlen (yytname[yyx]) + 15, yycount++;
+	  yysize += yystrlen ("parse error, unexpected ") + 1;
+	  yysize += yystrlen (yytname[yytype]);
+	  yymsg = (char *) YYSTACK_ALLOC (yysize);
+	  if (yymsg != 0)
+	    {
+	      char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+	      yyp = yystpcpy (yyp, yytname[yytype]);
+
+	      if (yycount < 5)
+		{
+		  yycount = 0;
+		  for (yyx = yyn < 0 ? -yyn : 0;
+		       yyx < (int) (sizeof (yytname) / sizeof (char *));
+		       yyx++)
+		    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+		      {
+			const char *yyq = ! yycount ? ", expecting " : " or ";
+			yyp = yystpcpy (yyp, yyq);
+			yyp = yystpcpy (yyp, yytname[yyx]);
+			yycount++;
+		      }
+		}
+	      yyerror (yymsg);
+	      YYSTACK_FREE (yymsg);
+	    }
+	  else
+	    yyerror ("parse error; also virtual memory exhausted");
+	}
+      else
+#endif /* YYERROR_VERBOSE */
+	yyerror ("parse error");
+    }
+  goto yyerrlab1;
+
+
+/*----------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action.  |
+`----------------------------------------------------*/
+yyerrlab1:
+  if (yyerrstatus == 3)
+    {
+      /* If just tried and failed to reuse lookahead token after an
+	 error, discard it.  */
+
+      /* Return failure if at end of input.  */
+      if (yychar == YYEOF)
+        {
+	  /* Pop the error token.  */
+          YYPOPSTACK;
+	  /* Pop the rest of the stack.  */
+	  while (yyssp > yyss)
+	    {
+	      YYDPRINTF ((stderr, "Error: popping "));
+	      YYDSYMPRINT ((stderr,
+			    yystos[*yyssp],
+			    *yyvsp));
+	      YYDPRINTF ((stderr, "\n"));
+	      yydestruct (yystos[*yyssp], *yyvsp);
+	      YYPOPSTACK;
+	    }
+	  YYABORT;
+        }
+
+      YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
+		  yychar, yytname[yychar1]));
+      yydestruct (yychar1, yylval);
+      yychar = YYEMPTY;
+    }
+
+  /* Else will try to reuse lookahead token after shifting the error
+     token.  */
+
+  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
+
+  for (;;)
+    {
+      yyn = yypact[yystate];
+      if (yyn != YYPACT_NINF)
+	{
+	  yyn += YYTERROR;
+	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+	    {
+	      yyn = yytable[yyn];
+	      if (0 < yyn)
+		break;
+	    }
+	}
+
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+	YYABORT;
+
+      YYDPRINTF ((stderr, "Error: popping "));
+      YYDSYMPRINT ((stderr,
+		    yystos[*yyssp], *yyvsp));
+      YYDPRINTF ((stderr, "\n"));
+
+      yydestruct (yystos[yystate], *yyvsp);
+      yyvsp--;
+      yystate = *--yyssp;
+
+
+#if YYDEBUG
+      if (yydebug)
+	{
+	  short *yyssp1 = yyss - 1;
+	  YYFPRINTF (stderr, "Error: state stack now");
+	  while (yyssp1 != yyssp)
+	    YYFPRINTF (stderr, " %d", *++yyssp1);
+	  YYFPRINTF (stderr, "\n");
+	}
+#endif
+    }
+
+  if (yyn == YYFINAL)
+    YYACCEPT;
+
+  YYDPRINTF ((stderr, "Shifting error token, "));
+
+  *++yyvsp = yylval;
+
+
+  yystate = yyn;
+  goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#ifndef yyoverflow
+/*----------------------------------------------.
+| yyoverflowlab -- parser overflow comes here.  |
+`----------------------------------------------*/
+yyoverflowlab:
+  yyerror ("parser stack overflow");
+  yyresult = 2;
+  /* Fall through.  */
+#endif
+
+yyreturn:
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+  return yyresult;
+}
+
+
+#line 419 "zconf.y"
+
+
+void conf_parse(const char *name)
+{
+	zconf_initscan(name);
+
+	sym_init();
+	menu_init();
+	rootmenu.prompt = menu_add_prop(P_MENU, "BusyBox Configuration", NULL, NULL);
+
+	//zconfdebug = 1;
+	zconfparse();
+	if (zconfnerrs)
+		exit(1);
+	menu_finalize(&rootmenu);
+
+	modules_sym = sym_lookup("MODULES", 0);
+
+	sym_change_count = 1;
+}
+
+const char *zconf_tokenname(int token)
+{
+	switch (token) {
+	case T_MENU:		return "menu";
+	case T_ENDMENU:		return "endmenu";
+	case T_CHOICE:		return "choice";
+	case T_ENDCHOICE:	return "endchoice";
+	case T_IF:		return "if";
+	case T_ENDIF:		return "endif";
+	}
+	return "<token>";
+} 
+
+static bool zconf_endtoken(int token, int starttoken, int endtoken)
+{
+	if (token != endtoken) {
+		zconfprint("unexpected '%s' within %s block", zconf_tokenname(token), zconf_tokenname(starttoken));
+		zconfnerrs++;
+		return false;
+	}
+	if (current_menu->file != current_file) {
+		zconfprint("'%s' in different file than '%s'", zconf_tokenname(token), zconf_tokenname(starttoken));
+		zconfprint("location of the '%s'", zconf_tokenname(starttoken));
+		zconfnerrs++;
+		return false;
+	}
+	return true;
+}
+
+static void zconfprint(const char *err, ...)
+{
+	va_list ap;
+
+	fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
+	va_start(ap, err);
+	vfprintf(stderr, err, ap);
+	va_end(ap);
+	fprintf(stderr, "\n");
+}
+
+static void zconferror(const char *err)
+{
+	fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno(), err);
+}
+
+void print_quoted_string(FILE *out, const char *str)
+{
+	const char *p;
+	int len;
+
+	putc('"', out);
+	while ((p = strchr(str, '"'))) {
+		len = p - str;
+		if (len)
+			fprintf(out, "%.*s", len, str);
+		fputs("\\\"", out);
+		str = p + 1;
+	}
+	fputs(str, out);
+	putc('"', out);
+}
+
+void print_symbol(FILE *out, struct menu *menu)
+{
+	struct symbol *sym = menu->sym;
+	struct property *prop;
+
+	//sym->flags |= SYMBOL_PRINTED;
+
+	if (sym_is_choice(sym))
+		fprintf(out, "choice\n");
+	else
+		fprintf(out, "config %s\n", sym->name);
+	switch (sym->type) {
+	case S_BOOLEAN:
+		fputs("  boolean\n", out);
+		break;
+	case S_TRISTATE:
+		fputs("  tristate\n", out);
+		break;
+	case S_STRING:
+		fputs("  string\n", out);
+		break;
+	case S_INT:
+		fputs("  integer\n", out);
+		break;
+	case S_HEX:
+		fputs("  hex\n", out);
+		break;
+	default:
+		fputs("  ???\n", out);
+		break;
+	}
+#if 0
+	if (!expr_is_yes(sym->dep)) {
+		fputs("  depends ", out);
+		expr_fprint(sym->dep, out);
+		fputc('\n', out);
+	}
+#endif
+	for (prop = sym->prop; prop; prop = prop->next) {
+		if (prop->menu != menu)
+			continue;
+		switch (prop->type) {
+		case P_PROMPT:
+			fputs("  prompt ", out);
+			print_quoted_string(out, prop->text);
+			if (prop->def) {
+				fputc(' ', out);
+				if (prop->def->flags & SYMBOL_CONST)
+					print_quoted_string(out, prop->def->name);
+				else
+					fputs(prop->def->name, out);
+			}
+			if (!expr_is_yes(E_EXPR(prop->visible))) {
+				fputs(" if ", out);
+				expr_fprint(E_EXPR(prop->visible), out);
+			}
+			fputc('\n', out);
+			break;
+		case P_DEFAULT:
+			fputs( "  default ", out);
+			print_quoted_string(out, prop->def->name);
+			if (!expr_is_yes(E_EXPR(prop->visible))) {
+				fputs(" if ", out);
+				expr_fprint(E_EXPR(prop->visible), out);
+			}
+			fputc('\n', out);
+			break;
+		case P_CHOICE:
+			fputs("  #choice value\n", out);
+			break;
+		default:
+			fprintf(out, "  unknown prop %d!\n", prop->type);
+			break;
+		}
+	}
+	if (sym->help) {
+		int len = strlen(sym->help);
+		while (sym->help[--len] == '\n')
+			sym->help[len] = 0;
+		fprintf(out, "  help\n%s\n", sym->help);
+	}
+	fputc('\n', out);
+}
+
+void zconfdump(FILE *out)
+{
+	//struct file *file;
+	struct property *prop;
+	struct symbol *sym;
+	struct menu *menu;
+
+	menu = rootmenu.list;
+	while (menu) {
+		if ((sym = menu->sym))
+			print_symbol(out, menu);
+		else if ((prop = menu->prompt)) {
+			switch (prop->type) {
+			//case T_MAINMENU:
+			//	fputs("\nmainmenu ", out);
+			//	print_quoted_string(out, prop->text);
+			//	fputs("\n", out);
+			//	break;
+			case P_COMMENT:
+				fputs("\ncomment ", out);
+				print_quoted_string(out, prop->text);
+				fputs("\n", out);
+				break;
+			case P_MENU:
+				fputs("\nmenu ", out);
+				print_quoted_string(out, prop->text);
+				fputs("\n", out);
+				break;
+			//case T_SOURCE:
+			//	fputs("\nsource ", out);
+			//	print_quoted_string(out, prop->text);
+			//	fputs("\n", out);
+			//	break;
+			//case T_IF:
+			//	fputs("\nif\n", out);
+			default:
+				;
+			}
+			if (!expr_is_yes(E_EXPR(prop->visible))) {
+				fputs("  depends ", out);
+				expr_fprint(E_EXPR(prop->visible), out);
+				fputc('\n', out);
+			}
+			fputs("\n", out);
+		}
+
+		if (menu->list)
+			menu = menu->list;
+		else if (menu->next)
+			menu = menu->next;
+		else while ((menu = menu->parent)) {
+			if (menu->prompt && menu->prompt->type == P_MENU)
+				fputs("\nendmenu\n", out);
+			if (menu->next) {
+				menu = menu->next;
+				break;
+			}
+		}
+	}
+}
+
+#include "lex.zconf.c"
+#include "confdata.c"
+#include "expr.c"
+#include "symbol.c"
+#include "menu.c"
+