Merge branch 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

5b419784 · Linus Torvalds <[email protected]> · 2013-09-11 08:34:25 -07:00

Pull kconfig updates from Michal Marek:
 "This is the kconfig part of kbuild for v3.12-rc1:
   - post-3.11 search code fixes and micro-optimizations
   - CONFIG_MODULES is no longer a special case; this is needed to
     eventually fix the bug that using KCONFIG_ALLCONFIG breaks
     allmodconfig
   - long long is used to store hex and int values
   - make silentoldconfig no longer warns when a symbol changes from
     tristate to bool (it's a job for make oldconfig)
   - scripts/diffconfig updated to work with newer Pythons
   - scripts/config does not rely on GNU sed extensions"

* 'kconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kconfig: do not allow more than one symbol to have 'option modules'
  kconfig: regenerate bison parser
  kconfig: do not special-case 'MODULES' symbol
  diffconfig: Update script to support python versions 2.5 through 3.3
  diffconfig: Gracefully exit if the default config files are not present
  modules: do not depend on kconfig to set 'modules' option to symbol MODULES
  kconfig: silence warning when parsing auto.conf when a symbol has changed type
  scripts/config: use sed's POSIX interface
  kconfig: switch to "long long" for sanity
  kconfig: simplify symbol-search code
  kconfig: don't allocate n+1 elements in temporary array
  kconfig: minor style fixes in symbol-search code
  kconfig/[mn]conf: shorten title in search-box
  kconfig: avoid multiple calls to strlen
  Documentation/kconfig: more concise and straightforward search explanation

Commit: 5b4197845ad1a33bc57da7ee5ea41de58c2f86bf
Parents: a22a0fdb · e0627813

Merge commit. Changes below are compared with the first parent: a22a0fdb.

Changes

12 files changed · +413 −345

File	Status	Add	Del	Content
Documentation/kbuild/kconfig-language.txt	modified	+1	−0	View file
Documentation/kbuild/kconfig.txt	modified	+3	−5	View file
init/Kconfig	modified	+1	−0	View file
scripts/config	modified	+41	−3	View file
scripts/diffconfig	modified	+18	−15	View file
scripts/kconfig/confdata.c	modified	+8	−3	View file
scripts/kconfig/mconf.c	modified	+2	−2	View file
scripts/kconfig/menu.c	modified	+7	−4	View file
scripts/kconfig/nconf.c	modified	+2	−2	View file
scripts/kconfig/symbol.c	modified	+30	−38	View file
scripts/kconfig/zconf.tab.c_shipped	modified	+298	−264	View file
scripts/kconfig/zconf.y	modified	+2	−9	View file

Only the first 600 diff lines are shown. Download the complete patch.

Documentation/kbuild/kconfig-language.txt

View file

diff --git a/Documentation/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index c858f84..c420676 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -147,6 +147,7 @@ applicable everywhere (see syntax).
   - "modules"
     This declares the symbol to be used as the MODULES symbol, which
     enables the third modular state for all config symbols.
+    At most one symbol may have the "modules" option set.
 
   - "env"=<value>
     This imports the environment variable into Kconfig. It behaves like

Documentation/kbuild/kconfig.txt

View file

diff --git a/Documentation/kbuild/kconfig.txt b/Documentation/kbuild/kconfig.txt
index e349f29..8ef6dbb 100644
--- a/Documentation/kbuild/kconfig.txt
+++ b/Documentation/kbuild/kconfig.txt
@@ -175,11 +175,9 @@ Searching in menuconfig:
 		/^hotplug
 
 	When searching, symbols are sorted thus:
-	  - exact match first: an exact match is when the search matches
-	    the complete symbol name;
-	  - alphabetical order: when two symbols do not match exactly,
-	    they are sorted in alphabetical order (in the user's current
-	    locale).
+	  - first, exact matches, sorted alphabetically (an exact match
+	    is when the search matches the complete symbol name);
+	  - then, other matches, sorted alphabetically.
 	For example: ^ATH.K matches:
 	    ATH5K ATH9K ATH5K_AHB ATH5K_DEBUG [...] ATH6KL ATH6KL_DEBUG
 	    [...] ATH9K_AHB ATH9K_BTCOEX_SUPPORT ATH9K_COMMON [...]

init/Kconfig

View file

diff --git a/init/Kconfig b/init/Kconfig
index bfa9e13..18bd9e3 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1670,6 +1670,7 @@ config BASE_SMALL
 
 menuconfig MODULES
 	bool "Enable loadable module support"
+	option modules
 	help
 	  Kernel modules are small pieces of compiled code which can
 	  be inserted in the running kernel, rather than being

scripts/config

View file

diff --git a/scripts/config b/scripts/config
index 567120a..2283be2 100755
--- a/scripts/config
+++ b/scripts/config
@@ -62,15 +62,52 @@ checkarg() {
 	fi
 }
 
+txt_append() {
+	local anchor="$1"
+	local insert="$2"
+	local infile="$3"
+	local tmpfile="$infile.swp"
+
+	# sed append cmd: 'a\' + newline + text + newline
+	cmd="$(printf "a\\%b$insert" "\n")"
+
+	sed -e "/$anchor/$cmd" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
+txt_subst() {
+	local before="$1"
+	local after="$2"
+	local infile="$3"
+	local tmpfile="$infile.swp"
+
+	sed -e "s/$before/$after/" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
+txt_delete() {
+	local text="$1"
+	local infile="$2"
+	local tmpfile="$infile.swp"
+
+	sed -e "/$text/d" "$infile" >"$tmpfile"
+	# replace original file with the edited one
+	mv "$tmpfile" "$infile"
+}
+
 set_var() {
 	local name=$1 new=$2 before=$3
 
 	name_re="^($name=|# $name is not set)"
 	before_re="^($before=|# $before is not set)"
 	if test -n "$before" && grep -Eq "$before_re" "$FN"; then
-		sed -ri "/$before_re/a $new" "$FN"
+		txt_append "^$before=" "$new" "$FN"
+		txt_append "^# $before is not set" "$new" "$FN"
 	elif grep -Eq "$name_re" "$FN"; then
-		sed -ri "s:$name_re.*:$new:" "$FN"
+		txt_subst "^$name=.*" "$new" "$FN"
+		txt_subst "^# $name is not set" "$new" "$FN"
 	else
 		echo "$new" >>"$FN"
 	fi
@@ -79,7 +116,8 @@ set_var() {
 undef_var() {
 	local name=$1
 
-	sed -ri "/^($name=|# $name is not set)/d" "$FN"
+	txt_delete "^$name=" "$FN"
+	txt_delete "^# $name is not set" "$FN"
 }
 
 if [ "$1" = "--file" ]; then

scripts/diffconfig

View file

diff --git a/scripts/diffconfig b/scripts/diffconfig
index b91f3e3..6d67283 100755
--- a/scripts/diffconfig
+++ b/scripts/diffconfig
@@ -10,7 +10,7 @@
 import sys, os
 
 def usage():
-    print """Usage: diffconfig [-h] [-m] [<config1> <config2>]
+    print("""Usage: diffconfig [-h] [-m] [<config1> <config2>]
 
 Diffconfig is a simple utility for comparing two .config files.
 Using standard diff to compare .config files often includes extraneous and
@@ -33,7 +33,7 @@ Example usage:
  EXT2_FS  y -> n
  LOG_BUF_SHIFT  14 -> 16
  PRINTK_TIME  n -> y
-"""
+""")
     sys.exit(0)
 
 # returns a dictionary of name/value pairs for config items in the file
@@ -54,23 +54,23 @@ def print_config(op, config, value, new_value):
     if merge_style:
         if new_value:
             if new_value=="n":
-                print "# CONFIG_%s is not set" % config
+                print("# CONFIG_%s is not set" % config)
             else:
-                print "CONFIG_%s=%s" % (config, new_value)
+                print("CONFIG_%s=%s" % (config, new_value))
     else:
         if op=="-":
-            print "-%s %s" % (config, value)
+            print("-%s %s" % (config, value))
         elif op=="+":
-            print "+%s %s" % (config, new_value)
+            print("+%s %s" % (config, new_value))
         else:
-            print " %s %s -> %s" % (config, value, new_value)
+            print(" %s %s -> %s" % (config, value, new_value))
 
 def main():
     global merge_style
 
     # parse command line args
     if ("-h" in sys.argv or "--help" in sys.argv):
-	usage()
+        usage()
 
     merge_style = 0
     if "-m" in sys.argv:
@@ -79,23 +79,27 @@ def main():
 
     argc = len(sys.argv)
     if not (argc==1 or argc == 3):
-        print "Error: incorrect number of arguments or unrecognized option"
+        print("Error: incorrect number of arguments or unrecognized option")
         usage()
 
     if argc == 1:
         # if no filenames given, assume .config and .config.old
         build_dir=""
-        if os.environ.has_key("KBUILD_OUTPUT"):
+        if "KBUILD_OUTPUT" in os.environ:
             build_dir = os.environ["KBUILD_OUTPUT"]+"/"
-
         configa_filename = build_dir + ".config.old"
         configb_filename = build_dir + ".config"
     else:
         configa_filename = sys.argv[1]
         configb_filename = sys.argv[2]
 
-    a = readconfig(file(configa_filename))
-    b = readconfig(file(configb_filename))
+    try:
+        a = readconfig(open(configa_filename))
+        b = readconfig(open(configb_filename))
+    except (IOError):
+        e = sys.exc_info()[1]
+        print("I/O error[%s]: %s\n" % (e.args[0],e.args[1]))
+        usage()
 
     # print items in a but not b (accumulate, sort and print)
     old = []
@@ -121,8 +125,7 @@ def main():
 
     # now print items in b but not in a
     # (items from b that were in a were removed above)
-    new = b.keys()
-    new.sort()
+    new = sorted(b.keys())
     for config in new:
         print_config("+", config, None, b[config])
 

scripts/kconfig/confdata.c

View file

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index c55c227..87f7238 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -140,7 +140,9 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 			sym->flags |= def_flags;
 			break;
 		}
-		conf_warning("symbol value '%s' invalid for %s", p, sym->name);
+		if (def != S_DEF_AUTO)
+			conf_warning("symbol value '%s' invalid for %s",
+				     p, sym->name);
 		return 1;
 	case S_OTHER:
 		if (*p != '"') {
@@ -161,7 +163,8 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 			memmove(p2, p2 + 1, strlen(p2));
 		}
 		if (!p2) {
-			conf_warning("invalid string found");
+			if (def != S_DEF_AUTO)
+				conf_warning("invalid string found");
 			return 1;
 		}
 		/* fall through */
@@ -172,7 +175,9 @@ static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
 			sym->def[def].val = strdup(p);
 			sym->flags |= def_flags;
 		} else {
-			conf_warning("symbol value '%s' invalid for %s", p, sym->name);
+			if (def != S_DEF_AUTO)
+				conf_warning("symbol value '%s' invalid for %s",
+					     p, sym->name);
 			return 1;
 		}
 		break;

scripts/kconfig/mconf.c

View file

diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c
index 6c9c45f..2c39631 100644
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -401,8 +401,8 @@ static void search_conf(void)
 	struct subtitle_part stpart;
 
 	title = str_new();
-	str_printf( &title, _("Enter %s (sub)string or regexp to search for "
-			      "(with or without \"%s\")"), CONFIG_, CONFIG_);
+	str_printf( &title, _("Enter (sub)string or regexp to search for "
+			      "(with or without \"%s\")"), CONFIG_);
 
 again:
 	dialog_clear();

scripts/kconfig/menu.c

View file

diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 7e233a6..c1d5320 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -197,12 +197,15 @@ void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
 
 void menu_add_option(int token, char *arg)
 {
-	struct property *prop;
-
 	switch (token) {
 	case T_OPT_MODULES:
-		prop = prop_alloc(P_DEFAULT, modules_sym);
-		prop->expr = expr_alloc_symbol(current_entry->sym);
+		if (modules_sym)
+			zconf_error("symbol '%s' redefines option 'modules'"
+				    " already defined by symbol '%s'",
+				    current_entry->sym->name,
+				    modules_sym->name
+				    );
+		modules_sym = current_entry->sym;
 		break;
 	case T_OPT_DEFCONFIG_LIST:
 		if (!sym_defconfig_list)

scripts/kconfig/nconf.c

View file

diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
index 7975d8d..4fbecd2 100644
--- a/scripts/kconfig/nconf.c
+++ b/scripts/kconfig/nconf.c
@@ -695,8 +695,8 @@ static void search_conf(void)
 	int dres;
 
 	title = str_new();
-	str_printf( &title, _("Enter %s (sub)string or regexp to search for "
-			      "(with or without \"%s\")"), CONFIG_, CONFIG_);
+	str_printf( &title, _("Enter (sub)string or regexp to search for "
+			      "(with or without \"%s\")"), CONFIG_);
 
 again:
 	dres = dialog_inputbox(main_window,

scripts/kconfig/symbol.c

View file

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index d550300..c9a6775 100644
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -136,7 +136,7 @@ static struct property *sym_get_range_prop(struct symbol *sym)
 	return NULL;
 }
 
-static long sym_get_range_val(struct symbol *sym, int base)
+static long long sym_get_range_val(struct symbol *sym, int base)
 {
 	sym_calc_value(sym);
 	switch (sym->type) {
@@ -149,13 +149,14 @@ static long sym_get_range_val(struct symbol *sym, int base)
 	default:
 		break;
 	}
-	return strtol(sym->curr.val, NULL, base);
+	return strtoll(sym->curr.val, NULL, base);
 }
 
 static void sym_validate_range(struct symbol *sym)
 {
 	struct property *prop;
-	long base, val, val2;
+	int base;
+	long long val, val2;
 	char str[64];
 
 	switch (sym->type) {
@@ -171,7 +172,7 @@ static void sym_validate_range(struct symbol *sym)
 	prop = sym_get_range_prop(sym);
 	if (!prop)
 		return;
-	val = strtol(sym->curr.val, NULL, base);
+	val = strtoll(sym->curr.val, NULL, base);
 	val2 = sym_get_range_val(prop->expr->left.sym, base);
 	if (val >= val2) {
 		val2 = sym_get_range_val(prop->expr->right.sym, base);
@@ -179,9 +180,9 @@ static void sym_validate_range(struct symbol *sym)
 			return;
 	}
 	if (sym->type == S_INT)
-		sprintf(str, "%ld", val2);
+		sprintf(str, "%lld", val2);
 	else
-		sprintf(str, "0x%lx", val2);
+		sprintf(str, "0x%llx", val2);
 	sym->curr.val = strdup(str);
 }
 
@@ -594,7 +595,7 @@ bool sym_string_valid(struct symbol *sym, const char *str)
 bool sym_string_within_range(struct symbol *sym, const char *str)
 {
 	struct property *prop;
-	long val;
+	long long val;
 
 	switch (sym->type) {
 	case S_STRING:
@@ -605,7 +606,7 @@ bool sym_string_within_range(struct symbol *sym, const char *str)
 		prop = sym_get_range_prop(sym);
 		if (!prop)
 			return true;
-		val = strtol(str, NULL, 10);
+		val = strtoll(str, NULL, 10);
 		return val >= sym_get_range_val(prop->expr->left.sym, 10) &&
 		       val <= sym_get_range_val(prop->expr->right.sym, 10);
 	case S_HEX:
@@ -614,7 +615,7 @@ bool sym_string_within_range(struct symbol *sym, const char *str)
 		prop = sym_get_range_prop(sym);
 		if (!prop)
 			return true;
-		val = strtol(str, NULL, 16);
+		val = strtoll(str, NULL, 16);
 		return val >= sym_get_range_val(prop->expr->left.sym, 16) &&
 		       val <= sym_get_range_val(prop->expr->right.sym, 16);
 	case S_BOOLEAN:
@@ -963,11 +964,11 @@ struct sym_match {
  * - first, symbols that match exactly
  * - then, alphabetical sort
  */
-static int sym_rel_comp( const void *sym1, const void *sym2 )
+static int sym_rel_comp(const void *sym1, const void *sym2)
 {
-	struct sym_match *s1 = *(struct sym_match **)sym1;
-	struct sym_match *s2 = *(struct sym_match **)sym2;
-	int l1, l2;
+	const struct sym_match *s1 = sym1;
+	const struct sym_match *s2 = sym2;
+	int exact1, exact2;
 
 	/* Exact match:
 	 * - if matched length on symbol s1 is the length of that symbol,
@@ -978,11 +979,11 @@ static int sym_rel_comp( const void *sym1, const void *sym2 )
 	 * exactly; if this is the case, we can't decide which comes first,
 	 * and we fallback to sorting alphabetically.
 	 */
-	l1 = s1->eo - s1->so;
-	l2 = s2->eo - s2->so;
-	if (l1 == strlen(s1->sym->name) && l2 != strlen(s2->sym->name))
+	exact1 = (s1->eo - s1->so) == strlen(s1->sym->name);
+	exact2 = (s2->eo - s2->so) == strlen(s2->sym->name);
+	if (exact1 && !exact2)
 		return -1;
-	if (l1 != strlen(s1->sym->name) && l2 == strlen(s2->sym->name))
+	if (!exact1 && exact2)
 		return 1;
 
 	/* As a fallback, sort symbols alphabetically */
@@ -992,7 +993,7 @@ static int sym_rel_comp( const void *sym1, const void *sym2 )
 struct symbol **sym_re_search(const char *pattern)
 {
 	struct symbol *sym, **sym_arr = NULL;
-	struct sym_match **sym_match_arr = NULL;
+	struct sym_match *sym_match_arr = NULL;
 	int i, cnt, size;
 	regex_t re;
 	regmatch_t match[1];
@@ -1005,47 +1006,38 @@ struct symbol **sym_re_search(const char *pattern)
 		return NULL;
 
 	for_all_symbols(i, sym) {
-		struct sym_match *tmp_sym_match;
 		if (sym->flags & SYMBOL_CONST || !sym->name)
 			continue;
 		if (regexec(&re, sym->name, 1, match, 0))
 			continue;
-		if (cnt + 1 >= size) {
+		if (cnt >= size) {
 			void *tmp;
 			size += 16;
-			tmp = realloc(sym_match_arr, size * sizeof(struct sym_match *));
-			if (!tmp) {
+			tmp = realloc(sym_match_arr, size * sizeof(struct sym_match));
+			if (!tmp)
 				goto sym_re_search_free;
-			}
 			sym_match_arr = tmp;
 		}
 		sym_calc_value(sym);
-		tmp_sym_match = (struct sym_match*)malloc(sizeof(struct sym_match));
-		if (!tmp_sym_match)
-			goto sym_re_search_free;
-		tmp_sym_match->sym = sym;
-		/* As regexec return 0, we know we have a match, so
+		/* As regexec returned 0, we know we have a match, so
 		 * we can use match[0].rm_[se]o without further checks
 		 */
-		tmp_sym_match->so = match[0].rm_so;
-		tmp_sym_match->eo = match[0].rm_eo;
-		sym_match_arr[cnt++] = tmp_sym_match;
+		sym_match_arr[cnt].so = match[0].rm_so;
+		sym_match_arr[cnt].eo = match[0].rm_eo;
+		sym_match_arr[cnt++].sym = sym;
 	}
 	if (sym_match_arr) {
-		qsort(sym_match_arr, cnt, sizeof(struct sym_match*), sym_rel_comp);
+		qsort(sym_match_arr, cnt, sizeof(struct sym_match), sym_rel_comp);
 		sym_arr = malloc((cnt+1) * sizeof(struct symbol));
 		if (!sym_arr)
 			goto sym_re_search_free;
 		for (i = 0; i < cnt; i++)
-			sym_arr[i] = sym_match_arr[i]->sym;
+			sym_arr[i] = sym_match_arr[i].sym;
 		sym_arr[cnt] = NULL;
 	}
 sym_re_search_free:
-	if (sym_match_arr) {
-		for (i = 0; i < cnt; i++)
-			free(sym_match_arr[i]);
-		free(sym_match_arr);
-	}
+	/* sym_match_arr can be NULL if no match, but free(NULL) is OK */
+	free(sym_match_arr);
 	regfree(&re);
 
 	return sym_arr;

scripts/kconfig/zconf.tab.c_shipped

View file

diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index f636141..25ae16a 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -1,9 +1,8 @@
-/* A Bison parser, made by GNU Bison 2.4.3.  */
+/* A Bison parser, made by GNU Bison 2.5.  */
 
-/* Skeleton implementation for Bison's Yacc-like parsers in C
+/* Bison implementation for Yacc-like parsers in C
    
-      Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-   2009, 2010 Free Software Foundation, Inc.
+      Copyright (C) 1984, 1989-1990, 2000-2011 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
@@ -45,7 +44,7 @@
 #define YYBISON 1
 
 /* Bison version.  */
-#define YYBISON_VERSION "2.4.3"
+#define YYBISON_VERSION "2.5"
 
 /* Skeleton name.  */
 #define YYSKELETON_NAME "yacc.c"
@@ -302,11 +301,11 @@ YYID (yyi)
 #    define alloca _alloca
 #   else
 #    define YYSTACK_ALLOC alloca
-#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+#    if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 #     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-#     ifndef _STDLIB_H
-#      define _STDLIB_H 1
+#     ifndef EXIT_SUCCESS
+#      define EXIT_SUCCESS 0
 #     endif
 #    endif
 #   endif
@@ -329,24 +328,24 @@ YYID (yyi)
 #  ifndef YYSTACK_ALLOC_MAXIMUM
 #   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
 #  endif
-#  if (defined __cplusplus && ! defined _STDLIB_H \
+#  if (defined __cplusplus && ! defined EXIT_SUCCESS \
        && ! ((defined YYMALLOC || defined malloc) \
 	     && (defined YYFREE || defined free)))
 #   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-#   ifndef _STDLIB_H
-#    define _STDLIB_H 1
+#   ifndef EXIT_SUCCESS
+#    define EXIT_SUCCESS 0
 #   endif
 #  endif
 #  ifndef YYMALLOC
 #   define YYMALLOC malloc
-#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+#   if ! defined malloc && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
 #   endif
 #  endif
 #  ifndef YYFREE
 #   define YYFREE free
-#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+#   if ! defined free && ! defined EXIT_SUCCESS && (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 void free (void *); /* INFRINGES ON USER NAME SPACE */
 #   endif
@@ -375,23 +374,7 @@ union yyalloc
      ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
       + YYSTACK_GAP_MAXIMUM)
 
-/* Copy COUNT objects from FROM to TO.  The source and destination do
-   not overlap.  */
-# ifndef YYCOPY
-#  if defined __GNUC__ && 1 < __GNUC__
-#   define YYCOPY(To, From, Count) \
-      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
-#  else
-#   define YYCOPY(To, From, Count)		\
-      do					\
-	{					\
-	  YYSIZE_T yyi;				\
-	  for (yyi = 0; yyi < (Count); yyi++)	\
-	    (To)[yyi] = (From)[yyi];		\
-	}					\
-      while (YYID (0))
-#  endif
-# endif
+# define YYCOPY_NEEDED 1
 
 /* Relocate STACK from its old location to the new one.  The
    local variables YYSIZE and YYSTACKSIZE give the old and new number of
@@ -411,6 +394,26 @@ union yyalloc
 
 #endif
 
+#if defined YYCOPY_NEEDED && YYCOPY_NEEDED
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(To, From, Count) \
+      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+#  else
+#   define YYCOPY(To, From, Count)		\
+      do					\
+	{					\
+	  YYSIZE_T yyi;				\
+	  for (yyi = 0; yyi < (Count); yyi++)	\
+	    (To)[yyi] = (From)[yyi];		\
+	}					\
+      while (YYID (0))
+#  endif
+# endif
+#endif /* !YYCOPY_NEEDED */
+
 /* YYFINAL -- State number of the termination state.  */
 #define YYFINAL  11
 /* YYLAST -- Last index in YYTABLE.  */
@@ -529,18 +532,18 @@ static const yytype_int8 yyrhs[] =
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */

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scripts/kconfig/zconf.y

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