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