LIBKERN_INSTHDRS += OSAtomic.h OSCacheControl.h .ifdef FEATURE_MEM_THERM_NOTIFICATION_APIS LIBKERN_INSTHDRS += OSMemoryNotification.h OSThermalNotification.h .endif LIBKERN_INSTHDRS := ${LIBKERN_INSTHDRS:S/^/${.CURDIR}\/include\/libkern\//}