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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#
2# Makefile for the linux kernel.
3#
4
Nicholas Pigginb67067f2016-08-24 22:29:20 +10005ccflags-y := -fno-function-sections -fno-data-sections
6
Jean-Paul Samanc33df4e2007-02-10 01:44:43 -08007obj-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
Linus Torvalds1da177e2005-04-16 15:20:36 -070013obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
Thomas Gleixnera6359d12012-05-03 09:03:02 +000014
15ifneq ($(CONFIG_ARCH_INIT_TASK),y)
16obj-y += init_task.o
17endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070018
19mounts-y := do_mounts.o
Linus Torvalds1da177e2005-04-16 15:20:36 -070020mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o
21mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
22mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o
23
Linus Torvalds1da177e2005-04-16 15:20:36 -070024# dependencies on generated files need to be listed explicitly
Sam Ravnborg92045952009-10-18 00:36:47 +020025$(obj)/version.o: include/generated/compile.h
Linus Torvalds1da177e2005-04-16 15:20:36 -070026
Roman Zippel3eb3c742007-01-10 14:45:28 +010027# 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
Sam Ravnborgfab1e312008-02-11 14:26:26 +010032 chk_compile.h = :
Mike Frysingerd75f4c682008-02-08 00:05:52 -050033 quiet_chk_compile.h = echo ' CHK $@'
34silent_chk_compile.h = :
Sam Ravnborg92045952009-10-18 00:36:47 +020035include/generated/compile.h: FORCE
Mike Frysingerd75f4c682008-02-08 00:05:52 -050036 @$($(quiet)chk_compile.h)
Roman Zippel3eb3c742007-01-10 14:45:28 +010037 $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
Sam Ravnborga0f97e02007-10-14 22:21:35 +020038 "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)"