1 # SPDX-License-Identifier: GPL-2.0
3 # Makefile for the linux kernel.
6 ccflags-y := -fno-function-sections -fno-data-sections
8 obj-y := main.o version.o mounts.o
9 ifneq ($(CONFIG_BLK_DEV_INITRD),y)
10 obj-y += noinitramfs.o
12 obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o
14 obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
18 mounts-y := do_mounts.o
19 mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o
20 mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
22 # dependencies on generated files need to be listed explicitly
23 $(obj)/version.o: include/generated/compile.h
25 # compile.h changes depending on hostname, generation number, etc,
26 # so we regenerate it always.
27 # mkcompile_h will make sure to only update the
28 # actual file if its content has changed.
30 quiet_cmd_compile.h = CHK $@
32 $(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
33 "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT_BUILD)" \
34 "$(CONFIG_PREEMPT_DYNAMIC)" "$(CONFIG_PREEMPT_RT)" \
35 "$(CONFIG_CC_VERSION_TEXT)" "$(LD)"
37 include/generated/compile.h: FORCE