kconfig: Sync with upstream v4.18

This commit introduces the following upstream changes:

73d1c580f92b kconfig: loop boundary condition fix
ecd53ac2f2c6 kconfig: handle P_SYMBOL in print_symbol()
b2d00d7c61c8 kconfig: fix line numbers for if-entries in menu tree
8593080c0fcf kconfig: fix localmodconfig
2ae89c7a82ea kconfig: Avoid format overflow warning from GCC 8.1
bb6d83dde191 kbuild: Move last word of nconfig help to the previous line
d6a0c8a1326b kconfig: Add testconfig into make help output
2bece88f89fa kconfig: test: add Kconfig macro language tests
915f64901eb3 kconfig: error out if a recursive variable references itself
a702a6176e2f kconfig: add 'filename' and 'lineno' built-in variables
1d6272e6fe43 kconfig: add 'info', 'warning-if', and 'error-if' built-in functions
82bc8bd82e5c kconfig: expand lefthand side of assignment statement
ed2a22f277c6 kconfig: support append assignment operator
1175c02506ff kconfig: support simply expanded variable
9ced3bddec08 kconfig: support user-defined function and recursively expanded variable
9de071536c87 kconfig: begin PARAM state only when seeing a command keyword
2fd5b09c201e kconfig: add 'shell' built-in function
e298f3b49def kconfig: add built-in function support
137c0118a900 kconfig: make default prompt of mainmenu less specific
5b31a9746756 kconfig: remove sym_expand_string_value()
96d8e48da55a kconfig: remove string expansion for mainmenu after yyparse()
bb222ceeb327 kconfig: remove string expansion in file_lookup()
104daea149c4 kconfig: reference environment variables directly and remove 'option env='
694c49a7c01c kconfig: drop localization support
1c5af5cf9308 kconfig: refactor ncurses package checks for building mconf and nconf
b464ef583dc7 kconfig: refactor GTK+ package checks for building gconf
0b669a5076fd kconfig: refactor Qt package checks for building qconf

Signed-off-by: Chris Packham <judge.packham@gmail.com>

1 files changed, 0 insertions, 109 deletions

diff --git a/kconfig/symbol.c b/kconfig/symbol.c
index f0b2e3b..7c9a88e 100644
--- a/kconfig/symbol.c
+++ b/kconfig/symbol.c
@@ -33,33 +33,6 @@ struct symbol *sym_defconfig_list;
 struct symbol *modules_sym;
 tristate modules_val;
 
-struct expr *sym_env_list;
-
-static void sym_add_default(struct symbol *sym, const char *def)
-{
-	struct property *prop = prop_alloc(P_DEFAULT, sym);
-
-	prop->expr = expr_alloc_symbol(sym_lookup(def, SYMBOL_CONST));
-}
-
-void sym_init(void)
-{
-	struct symbol *sym;
-	struct utsname uts;
-	static bool inited = false;
-
-	if (inited)
-		return;
-	inited = true;
-
-	uname(&uts);
-
-	sym = sym_lookup("UNAME_RELEASE", 0);
-	sym->type = S_STRING;
-	sym->flags |= SYMBOL_AUTO;
-	sym_add_default(sym, uts.release);
-}
-
 enum symbol_type sym_get_type(struct symbol *sym)
 {
 	enum symbol_type type = sym->type;
@@ -906,59 +879,6 @@ struct symbol *sym_find(const char *name)
 	return symbol;
 }
 
-/*
- * Expand symbol's names embedded in the string given in argument. Symbols'
- * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
- * the empty string.
- */
-char *sym_expand_string_value(const char *in)
-{
-	const char *src;
-	char *res;
-	size_t reslen;
-
-	/*
-	 * Note: 'in' might come from a token that's about to be
-	 * freed, so make sure to always allocate a new string
-	 */
-	reslen = strlen(in) + 1;
-	res = xmalloc(reslen);
-	res[0] = '\0';
-
-	while ((src = strchr(in, '$'))) {
-		char *p, name[SYMBOL_MAXLENGTH];
-		const char *symval = "";
-		struct symbol *sym;
-		size_t newlen;
-
-		strncat(res, in, src - in);
-		src++;
-
-		p = name;
-		while (isalnum(*src) || *src == '_')
-			*p++ = *src++;
-		*p = '\0';
-
-		sym = sym_find(name);
-		if (sym != NULL) {
-			sym_calc_value(sym);
-			symval = sym_get_string_value(sym);
-		}
-
-		newlen = strlen(res) + strlen(symval) + strlen(src) + 1;
-		if (newlen > reslen) {
-			reslen = newlen;
-			res = xrealloc(res, reslen);
-		}
-
-		strcat(res, symval);
-		in = src;
-	}
-	strcat(res, in);
-
-	return res;
-}
-
 const char *sym_escape_string_value(const char *in)
 {
 	const char *p;
@@ -1401,32 +1321,3 @@ const char *prop_get_type_name(enum prop_type type)
 	}
 	return "unknown";
 }
-
-static void prop_add_env(const char *env)
-{
-	struct symbol *sym, *sym2;
-	struct property *prop;
-	char *p;
-
-	sym = current_entry->sym;
-	sym->flags |= SYMBOL_AUTO;
-	for_all_properties(sym, prop, P_ENV) {
-		sym2 = prop_get_symbol(prop);
-		if (strcmp(sym2->name, env))
-			menu_warn(current_entry, "redefining environment symbol from %s",
-				  sym2->name);
-		return;
-	}
-
-	prop = prop_alloc(P_ENV, sym);
-	prop->expr = expr_alloc_symbol(sym_lookup(env, SYMBOL_CONST));
-
-	sym_env_list = expr_alloc_one(E_LIST, sym_env_list);
-	sym_env_list->right.sym = sym;
-
-	p = getenv(env);
-	if (p)
-		sym_add_default(sym, p);
-	else
-		menu_warn(current_entry, "environment variable %s undefined", env);
-}