include/linux/nfsd/Kbuild - linux - Git at Google

 unifdef-y += const.h
 unifdef-y += export.h
 unifdef-y += stats.h
 unifdef-y += syscall.h
 unifdef-y += nfsfh.h
 unifdef-y += debug.h
 unifdef-y += auth.h
	unifdef-y += const.h
	unifdef-y += export.h
	unifdef-y += stats.h
	unifdef-y += syscall.h
	unifdef-y += nfsfh.h
	unifdef-y += debug.h
	unifdef-y += auth.h