| Michal Marek | bc081dd | 2009-12-07 16:38:33 +0100 | [diff] [blame] | 1 | # ========================================================================== | 
|  | 2 | # Generating modules.builtin | 
|  | 3 | # ========================================================================== | 
|  | 4 |  | 
|  | 5 | src := $(obj) | 
|  | 6 |  | 
|  | 7 | PHONY := __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 |  | 
|  | 15 | include scripts/Kbuild.include | 
|  | 16 |  | 
|  | 17 | # The filename Kbuild has precedence over Makefile | 
|  | 18 | kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src)) | 
|  | 19 | kbuild-file := $(if $(wildcard $(kbuild-dir)/Kbuild),$(kbuild-dir)/Kbuild,$(kbuild-dir)/Makefile) | 
|  | 20 | include $(kbuild-file) | 
|  | 21 |  | 
|  | 22 | include scripts/Makefile.lib | 
|  | 23 | __subdir-Y     := $(patsubst %/,%,$(filter %/, $(obj-Y))) | 
|  | 24 | subdir-Y       += $(__subdir-Y) | 
|  | 25 | subdir-ym      := $(sort $(subdir-y) $(subdir-Y) $(subdir-m)) | 
|  | 26 | subdir-ym      := $(addprefix $(obj)/,$(subdir-ym)) | 
|  | 27 | obj-Y          := $(addprefix $(obj)/,$(obj-Y)) | 
|  | 28 |  | 
|  | 29 | modbuiltin-subdirs := $(patsubst %,%/modules.builtin, $(subdir-ym)) | 
|  | 30 | modbuiltin-mods    := $(filter %.ko, $(obj-Y:.o=.ko)) | 
|  | 31 | modbuiltin-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 |  | 
|  | 40 | PHONY += FORCE | 
|  | 41 |  | 
|  | 42 | FORCE: | 
|  | 43 |  | 
|  | 44 | # Descending | 
|  | 45 | # --------------------------------------------------------------------------- | 
|  | 46 |  | 
|  | 47 | PHONY += $(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) |