[mirror_ubuntu-bionic-kernel.git] / include / linux / kconfig.h

#ifndef __LINUX_KCONFIG_H
#define __LINUX_KCONFIG_H

#include <generated/autoconf.h>

/*
 * Helper macros to use CONFIG_ options in C expressions. Note that
 * these only work with boolean and tristate options.
 */

/*
 * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',
 * 0 otherwise.
 *
 */
#define IS_ENABLED(option) \
	(__enabled_ ## option || __enabled_ ## option ## _MODULE)

/*
 * IS_BUILTIN(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y', 0
 * otherwise. For boolean options, this is equivalent to
 * IS_ENABLED(CONFIG_FOO).
 */
#define IS_BUILTIN(option) __enabled_ ## option

/*
 * IS_MODULE(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'm', 0
 * otherwise.
 */
#define IS_MODULE(option) __enabled_ ## option ## _MODULE

#endif /* __LINUX_KCONFIG_H */
Commit	Line	Data
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 */