diff options
Diffstat (limited to 'include/linux/kconfig.h')
| -rw-r--r-- | include/linux/kconfig.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h index be342b94c640..16cfb3448568 100644 --- a/include/linux/kconfig.h +++ b/include/linux/kconfig.h @@ -43,4 +43,13 @@ */ #define IS_MODULE(option) config_enabled(option##_MODULE) +/* + * IS_REACHABLE(CONFIG_FOO) evaluates to 1 if the currently compiled + * code can call a function defined in code compiled based on CONFIG_FOO. + * This is similar to IS_ENABLED(), but returns false when invoked from + * built-in code when CONFIG_FOO is set to 'm'. + */ +#define IS_REACHABLE(option) (config_enabled(option) || \ + (config_enabled(option##_MODULE) && config_enabled(MODULE))) + #endif /* __LINUX_KCONFIG_H */ |