diff options
| -rw-r--r-- | make_helpers/build_macros.mk | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/make_helpers/build_macros.mk b/make_helpers/build_macros.mk index 520725bb..28ce2a4b 100644 --- a/make_helpers/build_macros.mk +++ b/make_helpers/build_macros.mk @@ -451,17 +451,24 @@ endef # $(2) = input dts define MAKE_DTB +# List of DTB file(s) to generate, based on DTS file basename list $(eval DOBJ := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) +# List of the pre-compiled DTS file(s) $(eval DPRE := $(addprefix $(1)/,$(patsubst %.dts,%.pre.dts,$(notdir $(2))))) -$(eval DEP := $(patsubst %.dtb,%.d,$(DOBJ))) +# Dependencies of the pre-compiled DTS file(s) on its source and included files +$(eval DTSDEP := $(patsubst %.dtb,%.o.d,$(DOBJ))) +# Dependencies of the DT compilation on its pre-compiled DTS +$(eval DTBDEP := $(patsubst %.dtb,%.d,$(DOBJ))) $(DOBJ): $(2) $(filter-out %.d,$(MAKEFILE_LIST)) | fdt_dirs @echo " CPP $$<" - $$(Q)$$(CPP) $$(CPPFLAGS) -x assembler-with-cpp -o $(DPRE) $$< + $(eval DTBS := $(addprefix $(1)/,$(call SOURCES_TO_DTBS,$(2)))) + $$(Q)$$(CPP) $$(CPPFLAGS) -x assembler-with-cpp -MT $(DTBS) -MMD -MF $(DTSDEP) -o $(DPRE) $$< @echo " DTC $$<" - $$(Q)$$(DTC) $$(DTC_FLAGS) -i fdts -d $(DEP) -o $$@ $(DPRE) + $$(Q)$$(DTC) $$(DTC_FLAGS) -i fdts -d $(DTBDEP) -o $$@ $(DPRE) --include $(DEP) +-include $(DTBDEP) +-include $(DTSDEP) endef |