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2a11c8ea MM |
1 | #ifndef __LINUX_KCONFIG_H |
2 | #define __LINUX_KCONFIG_H | |
3 | ||
4 | #include <generated/autoconf.h> | |
5 | ||
6 | /* | |
7 | * Helper macros to use CONFIG_ options in C expressions. Note that | |
8 | * these only work with boolean and tristate options. | |
9 | */ | |
10 | ||
11 | /* | |
12 | * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm', | |
13 | * 0 otherwise. | |
14 | * | |
15 | */ | |
16 | #define IS_ENABLED(option) \ | |
17 | (__enabled_ ## option || __enabled_ ## option ## _MODULE) | |
18 | ||
19 | /* | |
20 | * IS_BUILTIN(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y', 0 | |
21 | * otherwise. For boolean options, this is equivalent to | |
22 | * IS_ENABLED(CONFIG_FOO). | |
23 | */ | |
24 | #define IS_BUILTIN(option) __enabled_ ## option | |
25 | ||
26 | /* | |
27 | * IS_MODULE(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'm', 0 | |
28 | * otherwise. | |
29 | */ | |
30 | #define IS_MODULE(option) __enabled_ ## option ## _MODULE | |
31 | ||
32 | #endif /* __LINUX_KCONFIG_H */ |