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42 lines
1.5 KiB
Makefile
42 lines
1.5 KiB
Makefile
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# Perform a recursive dependency resolution: Include $(RIOTBASE)/Makefile.dep
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# until no new modules, pkgs, or features are pull in order to catch all
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# transient dependencies
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# Back up current state to detect changes
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OLD_STATE := $(USEMODULE) $(USEPKG) $(FEATURES_USED)
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# pull in dependencies of the currently used modules and pkgs
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include $(RIOTBASE)/Makefile.dep
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# check if required features are provided and update $(FEATURES_USED)
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include $(RIOTMAKE)/features_check.inc.mk
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# translate used features into used module, where needed
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include $(RIOTMAKE)/features_modules.inc.mk
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# sort and de-duplicate used modules, pkgs, and features for comparison
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USEMODULE := $(sort $(USEMODULE))
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USEPKG := $(sort $(USEPKG))
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FEATURES_USED := $(sort $(FEATURES_USED))
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NEW_STATE := $(USEMODULE) $(USEPKG) $(FEATURES_USED)
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# If set of used modules, pkgs, and features has changed during last run, run
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# again to recursively catch transitive dependencies
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ifneq ($(OLD_STATE),$(NEW_STATE))
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include $(RIOTMAKE)/dependency_resolution.inc.mk
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else
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# If module auto_init is not used, silently disable all of its submodules
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ifeq (,$(filter auto_init,$(USEMODULE)))
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DISABLE_MODULE += auto_init_%
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endif
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# add default modules again, as $(DEFAULT_MODULE) might have been extended
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# during dependency processing
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USEMODULE += $(filter-out $(DISABLE_MODULE),$(DEFAULT_MODULE))
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# Sort and de-duplicate used modules and default modules for readability
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USEMODULE := $(sort $(USEMODULE))
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DEFAULT_MODULE := $(sort $(DEFAULT_MODULE))
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endif
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