Makefile 1.2 KB

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