@@ -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
@@ -199,6 +199,12 @@ void menu_add_option(int token, char *arg)
{
switch (token) {
case T_OPT_MODULES:
+ 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: