1 # ==========================================================================
2 # Generating modules.builtin
3 # ==========================================================================
10 -include include/config/auto.conf
11 # tristate.conf sets tristate variables to uppercase 'Y' or 'M'
12 # That way, we get the list of built-in modules in obj-Y
13 -include include/config/tristate.conf
15 include scripts/Kbuild.include
17 ifneq ($(KBUILD_SRC),)
18 # Create output directory if not already present
19 _dummy := $(shell [ -d $(obj) ] || mkdir -p $(obj))
22 # The filename Kbuild has precedence over Makefile
23 kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
24 kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
25 include $(kbuild-file)
27 include scripts/Makefile.lib
28 __subdir-Y := $(patsubst %/,%,$(filter %/, $(obj-Y)))
29 subdir-Y += $(__subdir-Y)
30 subdir-ym := $(sort $(subdir-y) $(subdir-Y) $(subdir-m))
31 subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
32 obj-Y := $(addprefix $(obj)/,$(obj-Y))
34 modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym))
35 modbuiltin-mods := $(filter %.ko, $(obj-Y:.o=.ko))
36 modbuiltin-target := $(obj)/modules.builtin
38 __modbuiltin: $(modbuiltin-target) $(subdir-ym)
41 $(modbuiltin-target): $(subdir-ym) FORCE
42 $(Q)(for m in $(modbuiltin-mods); do echo kernel/$$m; done; \
43 cat /dev/null $(modbuiltin-subdirs)) > $@
50 # ---------------------------------------------------------------------------
54 $(Q)$(MAKE) $(modbuiltin)=$@
57 # Declare the contents of the .PHONY variable as phony. We keep that
58 # information in a variable se we can use it in if_changed and friends.