LXR linux/init/Makefile

   1# SPDX-License-Identifier: GPL-2.0
   2#
   3# Makefile for the linux kernel.
   4#
   5
   6ccflags-y := -fno-function-sections -fno-data-sections
   7
   8obj-y                          := main.o version.o mounts.o
   9ifneq ($(CONFIG_BLK_DEV_INITRD),y)
  10obj-y                          += noinitramfs.o
  11else
  12obj-$(CONFIG_BLK_DEV_INITRD)   += initramfs.o
  13endif
  14obj-$(CONFIG_GENERIC_CALIBRATE_DELAY) += calibrate.o
  15
  16obj-y                          += init_task.o
  17
  18mounts-y                        := do_mounts.o
  19mounts-$(CONFIG_BLK_DEV_RAM)    += do_mounts_rd.o
  20mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o
  21mounts-$(CONFIG_BLK_DEV_MD)     += do_mounts_md.o
  22
  23# dependencies on generated files need to be listed explicitly
  24$(obj)/version.o: include/generated/compile.h
  25
  26# compile.h changes depending on hostname, generation number, etc,
  27# so we regenerate it always.
  28# mkcompile_h will make sure to only update the
  29# actual file if its content has changed.
  30
  31       chk_compile.h = :
  32 quiet_chk_compile.h = echo '  CHK     $@'
  33silent_chk_compile.h = :
  34include/generated/compile.h: FORCE
  35        @$($(quiet)chk_compile.h)
  36        $(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@   \
  37        "$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)"    \
  38        "$(CONFIG_PREEMPT_RT)" "$(CC) $(KBUILD_CFLAGS)"
  39