1# 2# Makefile for the linux kernel. 3# 4 5ccflags-y := -fno-function-sections -fno-data-sections 6 7obj-y := main.o version.o mounts.o 8ifneq ($(CONFIG_BLK_DEV_INITRD),y) 9obj-y += noinitramfs.o 10else 11obj-$(CONFIG_BLK_DEV_INITRD) += initramfs.o 12endif 13obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o 14 15ifneq ($(CONFIG_ARCH_INIT_TASK),y) 16obj-y += init_task.o 17endif 18 19mounts-y := do_mounts.o 20mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o 21mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o 22mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o 23 24# dependencies on generated files need to be listed explicitly 25$(obj)/version.o: include/generated/compile.h 26 27# compile.h changes depending on hostname, generation number, etc, 28# so we regenerate it always. 29# mkcompile_h will make sure to only update the 30# actual file if its content has changed. 31 32 chk_compile.h = : 33 quiet_chk_compile.h = echo ' CHK $@' 34silent_chk_compile.h = : 35include/generated/compile.h: FORCE 36 @$($(quiet)chk_compile.h) 37 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \ 38 "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)" 39