# SPDX-License-Identifier: GPL-2.0 # # Makefile for the linux kernel. # ccflags-y := -fno-function-sections -fno-data-sections obj-y := main.o version.o mounts.o ifneq ($(CONFIG_BLK_DEV_INITRD),y) obj-y += noinitramfs.o else obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o endif obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o obj-y += init_task.o mounts-y := do_mounts.o mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o # dependencies on generated files need to be listed explicitly $(obj)/version.o: include/generated/compile.h # compile.h changes depending on hostname, generation number, etc, # so we regenerate it always. # mkcompile_h will make sure to only update the # actual file if its content has changed. quiet_cmd_compile.h = CHK $@ cmd_compile.h = \ $(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT_BUILD)" \ "$(CONFIG_PREEMPT_DYNAMIC)" "$(CONFIG_PREEMPT_RT)" \ "$(CONFIG_CC_VERSION_TEXT)" "$(LD)" include/generated/compile.h: FORCE $(call cmd,compile.h)