# SPDX-License-Identifier: GPL-2.0

  # ==========================================================================
  # Generating modules.builtin
  # ==========================================================================
  
  src := $(obj)
  
  PHONY := __modbuiltin
  __modbuiltin:

  include include/config/auto.conf

  # tristate.conf sets tristate variables to uppercase 'Y' or 'M'
  # That way, we get the list of built-in modules in obj-Y

  include include/config/tristate.conf

  
  include scripts/Kbuild.include

  ifdef building_out_of_srctree

  # Create output directory if not already present
  _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
  endif

  # The filename Kbuild has precedence over Makefile
  kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
  kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
  include $(kbuild-file)
  
  include scripts/Makefile.lib
  __subdir-Y     := $(patsubst %/,%,$(filter %/, $(obj-Y)))
  subdir-Y       += $(__subdir-Y)
  subdir-ym      := $(sort $(subdir-y) $(subdir-Y) $(subdir-m))
  subdir-ym      := $(addprefix $(obj)/,$(subdir-ym))
  obj-Y          := $(addprefix $(obj)/,$(obj-Y))
  
  modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym))
  modbuiltin-mods    := $(filter %.ko, $(obj-Y:.o=.ko))
  modbuiltin-target  := $(obj)/modules.builtin
  
  __modbuiltin: $(modbuiltin-target) $(subdir-ym)
  	@:
  
  $(modbuiltin-target): $(subdir-ym) FORCE

  	$(Q)(for m in $(modbuiltin-mods); do echo $$m; done;	\

  	cat /dev/null $(modbuiltin-subdirs)) > $@
  
  PHONY += FORCE
  
  FORCE:
  
  # Descending
  # ---------------------------------------------------------------------------
  
  PHONY += $(subdir-ym)
  $(subdir-ym):
  	$(Q)$(MAKE) $(modbuiltin)=$@

  .PHONY: $(PHONY)