| #ifndef __BACKPORT_LINUX_KCONFIG_H |
| #define __BACKPORT_LINUX_KCONFIG_H |
| #include <linux/version.h> |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0) |
| #include_next <linux/kconfig.h> |
| #endif |
| |
| #ifndef __ARG_PLACEHOLDER_1 |
| #define __ARG_PLACEHOLDER_1 0, |
| #define config_enabled(cfg) _config_enabled(cfg) |
| #define _config_enabled(value) __config_enabled(__ARG_PLACEHOLDER_##value) |
| #define __config_enabled(arg1_or_junk) ___config_enabled(arg1_or_junk 1, 0) |
| #define ___config_enabled(__ignored, val, ...) val |
| |
| /* |
| * 3.1 - 3.3 had a broken version of this, so undef |
| * (they didn't have __ARG_PLACEHOLDER_1) |
| */ |
| #undef IS_ENABLED |
| #define IS_ENABLED(option) \ |
| (config_enabled(option) || config_enabled(option##_MODULE)) |
| #endif |
| |
| #endif |
