init/Makefile

   1 #
   2 # Makefile for the linux kernel.
   3 #
   4
   5 ccflags-y := -fno-function-sections -fno-data-sections
   6
   7 obj-y                          := main.o version.o mounts.o
   8 ifneq ($(CONFIG_BLK_DEV_INITRD),y)
   9 obj-y                          += noinitramfs.o
  10 else
  11 obj-$(CONFIG_BLK_DEV_INITRD)   += initramfs.o
  12 endif
  13 obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
  14
  15 ifneq ($(CONFIG_ARCH_INIT_TASK),y)
  16 obj-y                          += init_task.o
  17 endif
  18
  19 mounts-y                        := do_mounts.o
  20 mounts-$(CONFIG_BLK_DEV_RAM)    += do_mounts_rd.o
  21 mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
  22 mounts-$(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     $@'
  34 silent_chk_compile.h = :
  35 include/generated/compile.h: FORCE
  36         @$($(quiet)chk_compile.h)
  37         $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
  38         "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(KBUILD_CFLAGS)"