arch/arm/include/asm/Kbuild - kernel/common - Git at Google

 # SPDX-License-Identifier: GPL-2.0
 generic-y += early_ioremap.h
 generic-y += extable.h
 generic-y += flat.h
 generic-y += parport.h

 generated-y += mach-types.h
 generated-y += unistd-nr.h
	# SPDX-License-Identifier: GPL-2.0
	generic-y += early_ioremap.h
	generic-y += extable.h
	generic-y += flat.h
	generic-y += parport.h

	generated-y += mach-types.h
	generated-y += unistd-nr.h