+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
- * Released under the terms of the GNU GPL v2.0.
*/
#include <ctype.h>
enum input_mode {
oldaskconfig,
+ syncconfig,
oldconfig,
allnoconfig,
allyesconfig,
defconfig,
savedefconfig,
listnewconfig,
- oldnoconfig,
+ olddefconfig,
};
static enum input_mode input_mode = oldaskconfig;
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;
switch (input_mode) {
case oldconfig:
+ case syncconfig:
if (sym_has_value(sym)) {
printf("%s\n", def);
return 0;
printf("[1-%d?]: ", cnt);
switch (input_mode) {
case oldconfig:
+ case syncconfig:
if (!is_new) {
cnt = def;
printf("%d\n", cnt);
}
static struct option long_opts[] = {
- {"askconfig", no_argument, NULL, oldaskconfig},
- {"config", no_argument, NULL, oldconfig},
+ {"oldaskconfig", no_argument, NULL, oldaskconfig},
+ {"oldconfig", no_argument, NULL, oldconfig},
+ {"syncconfig", no_argument, NULL, syncconfig},
{"defconfig", optional_argument, NULL, defconfig},
{"savedefconfig", required_argument, NULL, savedefconfig},
{"allnoconfig", no_argument, NULL, allnoconfig},
{"alldefconfig", no_argument, NULL, alldefconfig},
{"randconfig", no_argument, NULL, randconfig},
{"listnewconfig", no_argument, NULL, listnewconfig},
- {"noconfig", no_argument, NULL, oldnoconfig},
+ {"olddefconfig", no_argument, NULL, olddefconfig},
{NULL, 0, NULL, 0}
};
printf("Usage: %s [-s] [option] <kconfig-file>\n", progname);
printf("[option] is _one_ of the following:\n");
printf(" --listnewconfig List new options\n");
- printf(" --askconfig Start a new configuration using a line-oriented program\n");
- printf(" --config Update a configuration using a provided .config as base\n");
- printf(" --silentconfig Same as config, but quietly, additionally update deps\n");
- printf(" --noconfig Same as silentconfig but set new symbols to no\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");
const char *progname = av[0];
int opt;
const char *name, *defconfig_file = NULL /* gcc uninit */;
- struct stat tmpstat;
int no_conf_write = 0;
tty_stdio = isatty(0) && isatty(1);
}
input_mode = (enum input_mode)opt;
switch (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;
case allmodconfig:
case alldefconfig:
case listnewconfig:
- case oldnoconfig:
+ case olddefconfig:
break;
case '?':
conf_usage(progname);
}
break;
case savedefconfig:
+ case syncconfig:
case oldaskconfig:
case oldconfig:
case listnewconfig:
- case oldnoconfig:
+ case olddefconfig:
conf_read(NULL);
break;
case allnoconfig:
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);
/* fall through */
case oldconfig:
case listnewconfig:
- case oldnoconfig:
+ 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) {
return 1;
}
} else if (input_mode != listnewconfig) {
- /*
- * build so we shall update autoconf.
- */
if (!no_conf_write && conf_write(NULL)) {
fprintf(stderr, "\n*** Error during writing of the configuration.\n\n");
exit(1);
}
- if (conf_write_autoconf()) {
- fprintf(stderr, "\n*** Error during update of the configuration.\n\n");
+
+ /*
+ * Create auto.conf if it does not exist.
+ * This prevents GNU Make 4.1 or older from emitting
+ * "include/generated/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.
+ */
+
+ /*
+ * In our cmake case, we always want to update the autogenerated
+ * files.
+ */
+ sync_kconfig = 1;
+
+ if (conf_write_autoconf(sync_kconfig) && sync_kconfig) {
+ fprintf(stderr,
+ "\n*** Error during sync of the configuration.\n\n");
return 1;
}
}