Root/scripts/Makefile.modbuiltin

1# ==========================================================================
2# Generating modules.builtin
3# ==========================================================================
4
5src := $(obj)
6
7PHONY := __modbuiltin
8__modbuiltin:
9
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
14
15include scripts/Kbuild.include
16
17# The filename Kbuild has precedence over Makefile
18kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
19kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile)
20include $(kbuild-file)
21
22include scripts/Makefile.lib
23__subdir-Y := $(patsubst %/,%,$(filter %/, $(obj-Y)))
24subdir-Y += $(__subdir-Y)
25subdir-ym := $(sort $(subdir-y) $(subdir-Y) $(subdir-m))
26subdir-ym := $(addprefix $(obj)/,$(subdir-ym))
27obj-Y := $(addprefix $(obj)/,$(obj-Y))
28
29modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym))
30modbuiltin-mods := $(filter %.ko, $(obj-Y:.o=.ko))
31modbuiltin-target := $(obj)/modules.builtin
32
33__modbuiltin: $(modbuiltin-target) $(subdir-ym)
34    @:
35
36$(modbuiltin-target): $(subdir-ym) FORCE
37    $(Q)(for m in $(modbuiltin-mods); do echo kernel/$$m; done; \
38    cat /dev/null $(modbuiltin-subdirs)) > $@
39
40PHONY += FORCE
41
42FORCE:
43
44# Descending
45# ---------------------------------------------------------------------------
46
47PHONY += $(subdir-ym)
48$(subdir-ym):
49    $(Q)$(MAKE) $(modbuiltin)=$@
50
51
52# Declare the contents of the .PHONY variable as phony. We keep that
53# information in a variable se we can use it in if_changed and friends.
54
55.PHONY: $(PHONY)
56

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