ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/scripts/config/conf.c b/scripts/config/conf.c
new file mode 100644
index 0000000..1bd6f4f
--- /dev/null
+++ b/scripts/config/conf.c
@@ -0,0 +1,909 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
+ */
+
+#include <ctype.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/time.h>
+#include <errno.h>
+
+#include "lkc.h"
+
+static void conf(struct menu *menu);
+static void check_conf(struct menu *menu);
+
+enum input_mode {
+ oldaskconfig,
+ syncconfig,
+ oldconfig,
+ allnoconfig,
+ allyesconfig,
+ allmodconfig,
+ alldefconfig,
+ randconfig,
+ defconfig,
+ savedefconfig,
+ listnewconfig,
+ helpnewconfig,
+ olddefconfig,
+ yes2modconfig,
+ mod2yesconfig,
+ mod2noconfig,
+ fatalrecursive,
+};
+static enum input_mode input_mode = oldaskconfig;
+static int input_mode_opt;
+static int indent = 1;
+static int tty_stdio;
+static int sync_kconfig;
+static int conf_cnt;
+static char line[PATH_MAX];
+static struct menu *rootEntry;
+
+static void print_help(struct menu *menu)
+{
+ struct gstr help = str_new();
+
+ menu_get_ext_help(menu, &help);
+
+ printf("\n%s\n", str_get(&help));
+ str_free(&help);
+}
+
+static void strip(char *str)
+{
+ char *p = str;
+ int l;
+
+ while ((isspace(*p)))
+ p++;
+ l = strlen(p);
+ if (p != str)
+ memmove(str, p, l + 1);
+ if (!l)
+ return;
+ p = str + l - 1;
+ while ((isspace(*p)))
+ *p-- = 0;
+}
+
+/* Helper function to facilitate fgets() by Jean Sacren. */
+static void xfgets(char *str, int size, FILE *in)
+{
+ if (!fgets(str, size, in))
+ fprintf(stderr, "\nError in reading or end of file.\n");
+
+ if (!tty_stdio)
+ printf("%s", str);
+}
+
+static void set_randconfig_seed(void)
+{
+ unsigned int seed;
+ char *env;
+ bool seed_set = false;
+
+ env = getenv("KCONFIG_SEED");
+ if (env && *env) {
+ char *endp;
+
+ seed = strtol(env, &endp, 0);
+ if (*endp == '\0')
+ seed_set = true;
+ }
+
+ if (!seed_set) {
+ struct timeval now;
+
+ /*
+ * Use microseconds derived seed, compensate for systems where it may
+ * be zero.
+ */
+ gettimeofday(&now, NULL);
+ seed = (now.tv_sec + 1) * (now.tv_usec + 1);
+ }
+
+ printf("KCONFIG_SEED=0x%X\n", seed);
+ srand(seed);
+}
+
+static bool randomize_choice_values(struct symbol *csym)
+{
+ struct property *prop;
+ struct symbol *sym;
+ struct expr *e;
+ int cnt, def;
+
+ /*
+ * If choice is mod then we may have more items selected
+ * and if no then no-one.
+ * In both cases stop.
+ */
+ if (csym->curr.tri != yes)
+ return false;
+
+ prop = sym_get_choice_prop(csym);
+
+ /* count entries in choice block */
+ cnt = 0;
+ expr_list_for_each_sym(prop->expr, e, sym)
+ cnt++;
+
+ /*
+ * find a random value and set it to yes,
+ * set the rest to no so we have only one set
+ */
+ def = rand() % cnt;
+
+ cnt = 0;
+ expr_list_for_each_sym(prop->expr, e, sym) {
+ if (def == cnt++) {
+ sym->def[S_DEF_USER].tri = yes;
+ csym->def[S_DEF_USER].val = sym;
+ } else {
+ sym->def[S_DEF_USER].tri = no;
+ }
+ sym->flags |= SYMBOL_DEF_USER;
+ /* clear VALID to get value calculated */
+ sym->flags &= ~SYMBOL_VALID;
+ }
+ csym->flags |= SYMBOL_DEF_USER;
+ /* clear VALID to get value calculated */
+ csym->flags &= ~SYMBOL_VALID;
+
+ return true;
+}
+
+enum conf_def_mode {
+ def_default,
+ def_yes,
+ def_mod,
+ def_no,
+ def_random
+};
+
+static bool conf_set_all_new_symbols(enum conf_def_mode mode)
+{
+ struct symbol *sym, *csym;
+ int i, cnt;
+ /*
+ * can't go as the default in switch-case below, otherwise gcc whines
+ * about -Wmaybe-uninitialized
+ */
+ int pby = 50; /* probability of bool = y */
+ int pty = 33; /* probability of tristate = y */
+ int ptm = 33; /* probability of tristate = m */
+ bool has_changed = false;
+
+ if (mode == def_random) {
+ int n, p[3];
+ char *env = getenv("KCONFIG_PROBABILITY");
+
+ n = 0;
+ while (env && *env) {
+ char *endp;
+ int tmp = strtol(env, &endp, 10);
+
+ if (tmp >= 0 && tmp <= 100) {
+ p[n++] = tmp;
+ } else {
+ errno = ERANGE;
+ perror("KCONFIG_PROBABILITY");
+ exit(1);
+ }
+ env = (*endp == ':') ? endp + 1 : endp;
+ if (n >= 3)
+ break;
+ }
+ switch (n) {
+ case 1:
+ pby = p[0];
+ ptm = pby / 2;
+ pty = pby - ptm;
+ break;
+ case 2:
+ pty = p[0];
+ ptm = p[1];
+ pby = pty + ptm;
+ break;
+ case 3:
+ pby = p[0];
+ pty = p[1];
+ ptm = p[2];
+ break;
+ }
+
+ if (pty + ptm > 100) {
+ errno = ERANGE;
+ perror("KCONFIG_PROBABILITY");
+ exit(1);
+ }
+ }
+
+ sym_clear_all_valid();
+
+ for_all_symbols(i, sym) {
+ if (sym_has_value(sym) || sym->flags & SYMBOL_VALID)
+ continue;
+ switch (sym_get_type(sym)) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ has_changed = true;
+ switch (mode) {
+ case def_yes:
+ sym->def[S_DEF_USER].tri = yes;
+ break;
+ case def_mod:
+ sym->def[S_DEF_USER].tri = mod;
+ break;
+ case def_no:
+ sym->def[S_DEF_USER].tri = no;
+ break;
+ case def_random:
+ sym->def[S_DEF_USER].tri = no;
+ cnt = rand() % 100;
+ if (sym->type == S_TRISTATE) {
+ if (cnt < pty)
+ sym->def[S_DEF_USER].tri = yes;
+ else if (cnt < pty + ptm)
+ sym->def[S_DEF_USER].tri = mod;
+ } else if (cnt < pby)
+ sym->def[S_DEF_USER].tri = yes;
+ break;
+ default:
+ continue;
+ }
+ if (!(sym_is_choice(sym) && mode == def_random))
+ sym->flags |= SYMBOL_DEF_USER;
+ break;
+ default:
+ break;
+ }
+
+ }
+
+ /*
+ * We have different type of choice blocks.
+ * If curr.tri equals to mod then we can select several
+ * choice symbols in one block.
+ * In this case we do nothing.
+ * If curr.tri equals yes then only one symbol can be
+ * selected in a choice block and we set it to yes,
+ * and the rest to no.
+ */
+ if (mode != def_random) {
+ for_all_symbols(i, csym) {
+ if ((sym_is_choice(csym) && !sym_has_value(csym)) ||
+ sym_is_choice_value(csym))
+ csym->flags |= SYMBOL_NEED_SET_CHOICE_VALUES;
+ }
+ }
+
+ for_all_symbols(i, csym) {
+ if (sym_has_value(csym) || !sym_is_choice(csym))
+ continue;
+
+ sym_calc_value(csym);
+ if (mode == def_random)
+ has_changed |= randomize_choice_values(csym);
+ else {
+ set_all_choice_values(csym);
+ has_changed = true;
+ }
+ }
+
+ return has_changed;
+}
+
+static void conf_rewrite_tristates(tristate old_val, tristate new_val)
+{
+ struct symbol *sym;
+ int i;
+
+ for_all_symbols(i, sym) {
+ if (sym_get_type(sym) == S_TRISTATE &&
+ sym->def[S_DEF_USER].tri == old_val)
+ sym->def[S_DEF_USER].tri = new_val;
+ }
+ sym_clear_all_valid();
+}
+
+static int conf_askvalue(struct symbol *sym, const char *def)
+{
+ if (!sym_has_value(sym))
+ printf("(NEW) ");
+
+ line[0] = '\n';
+ line[1] = 0;
+
+ if (!sym_is_changeable(sym)) {
+ printf("%s\n", def);
+ line[0] = '\n';
+ line[1] = 0;
+ return 0;
+ }
+
+ switch (input_mode) {
+ case oldconfig:
+ case syncconfig:
+ if (sym_has_value(sym)) {
+ printf("%s\n", def);
+ return 0;
+ }
+ /* fall through */
+ default:
+ fflush(stdout);
+ xfgets(line, sizeof(line), stdin);
+ break;
+ }
+
+ return 1;
+}
+
+static int conf_string(struct menu *menu)
+{
+ struct symbol *sym = menu->sym;
+ const char *def;
+
+ while (1) {
+ printf("%*s%s ", indent - 1, "", menu->prompt->text);
+ printf("(%s) ", sym->name);
+ def = sym_get_string_value(sym);
+ if (def)
+ printf("[%s] ", def);
+ if (!conf_askvalue(sym, def))
+ return 0;
+ switch (line[0]) {
+ case '\n':
+ break;
+ case '?':
+ /* print help */
+ if (line[1] == '\n') {
+ print_help(menu);
+ def = NULL;
+ break;
+ }
+ /* fall through */
+ default:
+ line[strlen(line)-1] = 0;
+ def = line;
+ }
+ if (def && sym_set_string_value(sym, def))
+ return 0;
+ }
+}
+
+static int conf_sym(struct menu *menu)
+{
+ struct symbol *sym = menu->sym;
+ tristate oldval, newval;
+
+ while (1) {
+ printf("%*s%s ", indent - 1, "", menu->prompt->text);
+ if (sym->name)
+ printf("(%s) ", sym->name);
+ putchar('[');
+ oldval = sym_get_tristate_value(sym);
+ switch (oldval) {
+ case no:
+ putchar('N');
+ break;
+ case mod:
+ putchar('M');
+ break;
+ case yes:
+ putchar('Y');
+ break;
+ }
+ if (oldval != no && sym_tristate_within_range(sym, no))
+ printf("/n");
+ if (oldval != mod && sym_tristate_within_range(sym, mod))
+ printf("/m");
+ if (oldval != yes && sym_tristate_within_range(sym, yes))
+ printf("/y");
+ printf("/?] ");
+ if (!conf_askvalue(sym, sym_get_string_value(sym)))
+ return 0;
+ strip(line);
+
+ switch (line[0]) {
+ case 'n':
+ case 'N':
+ newval = no;
+ if (!line[1] || !strcmp(&line[1], "o"))
+ break;
+ continue;
+ case 'm':
+ case 'M':
+ newval = mod;
+ if (!line[1])
+ break;
+ continue;
+ case 'y':
+ case 'Y':
+ newval = yes;
+ if (!line[1] || !strcmp(&line[1], "es"))
+ break;
+ continue;
+ case 0:
+ newval = oldval;
+ break;
+ case '?':
+ goto help;
+ default:
+ continue;
+ }
+ if (sym_set_tristate_value(sym, newval))
+ return 0;
+help:
+ print_help(menu);
+ }
+}
+
+static int conf_choice(struct menu *menu)
+{
+ struct symbol *sym, *def_sym;
+ struct menu *child;
+ bool is_new;
+
+ sym = menu->sym;
+ is_new = !sym_has_value(sym);
+ if (sym_is_changeable(sym)) {
+ conf_sym(menu);
+ sym_calc_value(sym);
+ switch (sym_get_tristate_value(sym)) {
+ case no:
+ return 1;
+ case mod:
+ return 0;
+ case yes:
+ break;
+ }
+ } else {
+ 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) {
+ int cnt, def;
+
+ printf("%*s%s\n", indent - 1, "", menu_get_prompt(menu));
+ def_sym = sym_get_choice_value(sym);
+ cnt = def = 0;
+ line[0] = 0;
+ for (child = menu->list; child; child = child->next) {
+ if (!menu_is_visible(child))
+ continue;
+ 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");
+ }
+ printf("%*schoice", indent - 1, "");
+ if (cnt == 1) {
+ printf("[1]: 1\n");
+ goto conf_childs;
+ }
+ printf("[1-%d?]: ", cnt);
+ switch (input_mode) {
+ case oldconfig:
+ case syncconfig:
+ if (!is_new) {
+ cnt = def;
+ printf("%d\n", cnt);
+ break;
+ }
+ /* fall through */
+ case oldaskconfig:
+ fflush(stdout);
+ xfgets(line, sizeof(line), stdin);
+ strip(line);
+ if (line[0] == '?') {
+ print_help(menu);
+ continue;
+ }
+ if (!line[0])
+ cnt = def;
+ else if (isdigit(line[0]))
+ cnt = atoi(line);
+ else
+ continue;
+ break;
+ default:
+ break;
+ }
+
+ conf_childs:
+ for (child = menu->list; child; child = child->next) {
+ if (!child->sym || !menu_is_visible(child))
+ continue;
+ if (!--cnt)
+ break;
+ }
+ if (!child)
+ continue;
+ if (line[0] && line[strlen(line) - 1] == '?') {
+ print_help(child);
+ continue;
+ }
+ sym_set_tristate_value(child->sym, yes);
+ for (child = child->list; child; child = child->next) {
+ indent += 2;
+ conf(child);
+ indent -= 2;
+ }
+ return 1;
+ }
+}
+
+static void conf(struct menu *menu)
+{
+ struct symbol *sym;
+ struct property *prop;
+ struct menu *child;
+
+ if (!menu_is_visible(menu))
+ return;
+
+ sym = menu->sym;
+ prop = menu->prompt;
+ if (prop) {
+ const char *prompt;
+
+ switch (prop->type) {
+ case P_MENU:
+ /*
+ * Except in oldaskconfig mode, we show only menus that
+ * contain new symbols.
+ */
+ if (input_mode != oldaskconfig && rootEntry != menu) {
+ check_conf(menu);
+ return;
+ }
+ /* fall through */
+ case P_COMMENT:
+ prompt = menu_get_prompt(menu);
+ if (prompt)
+ printf("%*c\n%*c %s\n%*c\n",
+ indent, '*',
+ indent, '*', prompt,
+ indent, '*');
+ default:
+ ;
+ }
+ }
+
+ if (!sym)
+ goto conf_childs;
+
+ if (sym_is_choice(sym)) {
+ conf_choice(menu);
+ if (sym->curr.tri != mod)
+ return;
+ goto conf_childs;
+ }
+
+ switch (sym->type) {
+ case S_INT:
+ case S_HEX:
+ case S_STRING:
+ conf_string(menu);
+ break;
+ default:
+ conf_sym(menu);
+ break;
+ }
+
+conf_childs:
+ if (sym)
+ indent += 2;
+ for (child = menu->list; child; child = child->next)
+ conf(child);
+ if (sym)
+ indent -= 2;
+}
+
+static void check_conf(struct menu *menu)
+{
+ struct symbol *sym;
+ struct menu *child;
+
+ if (!menu_is_visible(menu))
+ return;
+
+ sym = menu->sym;
+ if (sym && !sym_has_value(sym) &&
+ (sym_is_changeable(sym) ||
+ (sym_is_choice(sym) && sym_get_tristate_value(sym) == yes))) {
+
+ switch (input_mode) {
+ case listnewconfig:
+ if (sym->name)
+ print_symbol_for_listconfig(sym);
+ break;
+ case helpnewconfig:
+ printf("-----\n");
+ print_help(menu);
+ printf("-----\n");
+ break;
+ default:
+ if (!conf_cnt++)
+ printf("*\n* Restart config...\n*\n");
+ rootEntry = menu_get_parent_menu(menu);
+ conf(rootEntry);
+ break;
+ }
+ }
+
+ for (child = menu->list; child; child = child->next)
+ check_conf(child);
+}
+
+static const struct option long_opts[] = {
+ {"help", no_argument, NULL, 'h'},
+ {"silent", no_argument, NULL, 's'},
+ {"oldaskconfig", no_argument, &input_mode_opt, oldaskconfig},
+ {"oldconfig", no_argument, &input_mode_opt, oldconfig},
+ {"syncconfig", no_argument, &input_mode_opt, syncconfig},
+ {"defconfig", required_argument, &input_mode_opt, defconfig},
+ {"savedefconfig", required_argument, &input_mode_opt, savedefconfig},
+ {"allnoconfig", no_argument, &input_mode_opt, allnoconfig},
+ {"allyesconfig", no_argument, &input_mode_opt, allyesconfig},
+ {"allmodconfig", no_argument, &input_mode_opt, allmodconfig},
+ {"alldefconfig", no_argument, &input_mode_opt, alldefconfig},
+ {"randconfig", no_argument, &input_mode_opt, randconfig},
+ {"listnewconfig", no_argument, &input_mode_opt, listnewconfig},
+ {"helpnewconfig", no_argument, &input_mode_opt, helpnewconfig},
+ {"olddefconfig", no_argument, &input_mode_opt, olddefconfig},
+ {"yes2modconfig", no_argument, &input_mode_opt, yes2modconfig},
+ {"mod2yesconfig", no_argument, &input_mode_opt, mod2yesconfig},
+ {"mod2noconfig", no_argument, &input_mode_opt, mod2noconfig},
+ {"fatalrecursive",no_argument, &input_mode_opt, fatalrecursive},
+ {NULL, 0, NULL, 0}
+};
+
+static void conf_usage(const char *progname)
+{
+ printf("Usage: %s [options] <kconfig-file>\n", progname);
+ printf("\n");
+ printf("Generic options:\n");
+ printf(" -h, --help Print this message and exit.\n");
+ printf(" -r <file> Read <file> as input.\n");
+ printf(" -s, --silent Do not print log.\n");
+ printf(" -w <file> Write config to <file>.\n");
+ printf(" --fatalrecursive Treat recursive dependency as error.\n");
+ printf("\n");
+ printf("Mode options:\n");
+ printf(" --listnewconfig List new options\n");
+ printf(" --helpnewconfig List new options and help text\n");
+ printf(" --oldaskconfig Start a new configuration using a line-oriented program\n");
+ printf(" --oldconfig Update a configuration using a provided .config as base\n");
+ printf(" --syncconfig Similar to oldconfig but generates configuration in\n"
+ " include/{generated/,config/}\n");
+ printf(" --olddefconfig Same as oldconfig but sets new symbols to their default value\n");
+ printf(" --defconfig <file> New config with default defined in <file>\n");
+ printf(" --savedefconfig <file> Save the minimal current configuration to <file>\n");
+ printf(" --allnoconfig New config where all options are answered with no\n");
+ printf(" --allyesconfig New config where all options are answered with yes\n");
+ printf(" --allmodconfig New config where all options are answered with mod\n");
+ printf(" --alldefconfig New config with all symbols set to default\n");
+ printf(" --randconfig New config with random answer to all options\n");
+ printf(" --yes2modconfig Change answers from yes to mod if possible\n");
+ printf(" --mod2yesconfig Change answers from mod to yes if possible\n");
+ printf(" --mod2noconfig Change answers from mod to no if possible\n");
+ printf(" (If none of the above is given, --oldaskconfig is the default)\n");
+}
+
+int main(int ac, char **av)
+{
+ const char *progname = av[0];
+ int opt;
+ const char *name, *defconfig_file = NULL /* gcc uninit */;
+ const char *input_file = NULL, *output_file = NULL;
+ int no_conf_write = 0;
+
+ tty_stdio = isatty(0) && isatty(1);
+
+ while ((opt = getopt_long(ac, av, "hr:w:s", long_opts, NULL)) != -1) {
+ switch (opt) {
+ case 'h':
+ conf_usage(progname);
+ exit(1);
+ break;
+ case 'r':
+ input_file = optarg;
+ break;
+ case 's':
+ conf_set_message_callback(NULL);
+ break;
+ case 'w':
+ output_file = optarg;
+ break;
+ case 0:
+ switch (input_mode_opt) {
+ case syncconfig:
+ /*
+ * syncconfig is invoked during the build stage.
+ * Suppress distracting
+ * "configuration written to ..."
+ */
+ conf_set_message_callback(NULL);
+ sync_kconfig = 1;
+ break;
+ case defconfig:
+ case savedefconfig:
+ defconfig_file = optarg;
+ break;
+ case randconfig:
+ set_randconfig_seed();
+ break;
+ case fatalrecursive:
+ recursive_is_error = 1;
+ continue;
+ default:
+ break;
+ }
+ input_mode = input_mode_opt;
+ default:
+ break;
+ }
+ }
+ if (ac == optind) {
+ fprintf(stderr, "%s: Kconfig file missing\n", av[0]);
+ conf_usage(progname);
+ exit(1);
+ }
+ conf_parse(av[optind]);
+ //zconfdump(stdout);
+
+ switch (input_mode) {
+ case defconfig:
+ if (conf_read(defconfig_file)) {
+ fprintf(stderr,
+ "***\n"
+ "*** Can't find default configuration \"%s\"!\n"
+ "***\n",
+ defconfig_file);
+ exit(1);
+ }
+ break;
+ case savedefconfig:
+ case syncconfig:
+ case oldaskconfig:
+ case oldconfig:
+ case listnewconfig:
+ case helpnewconfig:
+ case olddefconfig:
+ case yes2modconfig:
+ case mod2yesconfig:
+ case mod2noconfig:
+ case allnoconfig:
+ case allyesconfig:
+ case allmodconfig:
+ case alldefconfig:
+ case randconfig:
+ conf_read(input_file);
+ break;
+ default:
+ break;
+ }
+
+ if (sync_kconfig) {
+ name = getenv("KCONFIG_NOSILENTUPDATE");
+ if (name && *name) {
+ if (conf_get_changed()) {
+ fprintf(stderr,
+ "\n*** The configuration requires explicit update.\n\n");
+ return 1;
+ }
+ no_conf_write = 1;
+ }
+ }
+
+ switch (input_mode) {
+ case allnoconfig:
+ conf_set_all_new_symbols(def_no);
+ break;
+ case allyesconfig:
+ conf_set_all_new_symbols(def_yes);
+ break;
+ case allmodconfig:
+ conf_set_all_new_symbols(def_mod);
+ break;
+ case alldefconfig:
+ conf_set_all_new_symbols(def_default);
+ break;
+ case randconfig:
+ /* Really nothing to do in this loop */
+ while (conf_set_all_new_symbols(def_random)) ;
+ break;
+ case defconfig:
+ conf_set_all_new_symbols(def_default);
+ break;
+ case savedefconfig:
+ break;
+ case yes2modconfig:
+ conf_rewrite_tristates(yes, mod);
+ break;
+ case mod2yesconfig:
+ conf_rewrite_tristates(mod, yes);
+ break;
+ case mod2noconfig:
+ conf_rewrite_tristates(mod, no);
+ break;
+ case oldaskconfig:
+ rootEntry = &rootmenu;
+ conf(&rootmenu);
+ input_mode = oldconfig;
+ /* fall through */
+ case oldconfig:
+ case listnewconfig:
+ case helpnewconfig:
+ case syncconfig:
+ /* Update until a loop caused no more changes */
+ do {
+ conf_cnt = 0;
+ check_conf(&rootmenu);
+ } while (conf_cnt);
+ break;
+ case olddefconfig:
+ default:
+ break;
+ }
+
+ if (input_mode == savedefconfig) {
+ if (conf_write_defconfig(defconfig_file)) {
+ fprintf(stderr, "n*** Error while saving defconfig to: %s\n\n",
+ defconfig_file);
+ return 1;
+ }
+ } else if (input_mode != listnewconfig && input_mode != helpnewconfig) {
+ if ((output_file || !no_conf_write) &&
+ conf_write(output_file)) {
+ fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
+ exit(1);
+ }
+
+ /*
+ * Create auto.conf if it does not exist.
+ * This prevents GNU Make 4.1 or older from emitting
+ * "include/config/auto.conf: No such file or directory"
+ * in the top-level Makefile
+ *
+ * syncconfig always creates or updates auto.conf because it is
+ * used during the build.
+ */
+ if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
+ fprintf(stderr,
+ "\n*** Error during sync of the configuration.\n\n");
+ return 1;
+ }
+ }
+ return 0;
+}