kconfig/conf: add command line options' description
Signed-off-by: Arnaud Lacombe <lacombar@gmail.com>
diff --git a/scripts/kconfig/conf.c b/scripts/kconfig/conf.c
index 6431f5c..819ab18 100644
--- a/scripts/kconfig/conf.c
+++ b/scripts/kconfig/conf.c
@@ -457,8 +457,28 @@
{NULL, 0, NULL, 0}
};
+static void conf_usage(const char *progname)
+{
+
+ printf("Usage: %s [option] <kconfig-file>\n", progname);
+ printf("[option] is _one_ of the following:\n");
+ printf(" --listnewconfig List new options\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(" --silentoldconfig Same as oldconfig, but quietly, additionally update deps\n");
+ printf(" --oldnoconfig Same as silentoldconfig but set new symbols to no\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");
+}
+
int main(int ac, char **av)
{
+ const char *progname = av[0];
int opt;
const char *name, *defconfig_file = NULL /* gcc uninit */;
struct stat tmpstat;
@@ -492,14 +512,24 @@
srand(seed);
break;
}
+ case oldaskconfig:
+ case oldconfig:
+ case allnoconfig:
+ case allyesconfig:
+ case allmodconfig:
+ case alldefconfig:
+ case listnewconfig:
+ case oldnoconfig:
+ break;
case '?':
- fprintf(stderr, _("See README for usage info\n"));
+ conf_usage(progname);
exit(1);
break;
}
}
if (ac == optind) {
printf(_("%s: Kconfig file missing\n"), av[0]);
+ conf_usage(progname);
exit(1);
}
name = av[optind];