flow: fix metadata deps

- Add explicit Makefile deps for stage SDC side-effects (2_1_floorplan.sdc, 5_1_grt.sdc).\n- Enforce metadata ordering so metadata-check waits for metadata-generate and finish.

Author: PrecisEDAnon

flow/Makefile

@@ -401,6 +401,9 @@ $(RESULTS_DIR)/1_synth.sdc: $(RESULTS_DIR)/1_synth.odb
 
 $(eval $(call do-step,2_1_floorplan,$(RESULTS_DIR)/1_synth.odb $(RESULTS_DIR)/1_synth.sdc $(TECH_LEF) $(SC_LEF) $(ADDITIONAL_LEFS) $(FOOTPRINT) $(SIG_MAP_FILE) $(FOOTPRINT_TCL) $(LIB_FILES) $(IO_CONSTRAINTS),floorplan))
 
+# The floorplan step writes the stage SDC as a side effect.
+$(RESULTS_DIR)/2_1_floorplan.sdc: $(RESULTS_DIR)/2_1_floorplan.odb
+
 $(eval $(call do-copy,2_floorplan,2_1_floorplan.sdc,,.sdc))
 
 # STEP 2: Macro Placement
@@ -540,6 +543,9 @@ grt: $(RESULTS_DIR)/5_1_grt.odb
 #-------------------------------------------------------------------------------
 $(eval $(call do-step,5_1_grt,$(RESULTS_DIR)/4_cts.odb $(FASTROUTE_TCL) $(PRE_GLOBAL_ROUTE_TCL),global_route))
 
+# The global route step writes the stage SDC as a side effect.
+$(RESULTS_DIR)/5_1_grt.sdc: $(RESULTS_DIR)/5_1_grt.odb
+
 # STEP 2: Run detailed route
 #-------------------------------------------------------------------------------
 $(eval $(call do-step,5_2_route,$(RESULTS_DIR)/5_1_grt.odb,detail_route))

flow/util/utils.mk

@@ -4,7 +4,7 @@
 metadata: finish metadata-generate metadata-check
 
 .PHONY: metadata-generate
-metadata-generate:
+metadata-generate: finish
 	mkdir -p $(REPORTS_DIR)
 	echo $(DESIGN_DIR) > $(REPORTS_DIR)/design-dir.txt
 	$(PYTHON_EXE) $(UTILS_DIR)/genMetrics.py -d $(DESIGN_NICKNAME) \
@@ -19,7 +19,7 @@ metadata-generate:
 export RULES_JSON ?= $(DESIGN_DIR)/rules-$(FLOW_VARIANT).json
 
 .PHONY: metadata-check
-metadata-check:
+metadata-check: metadata-generate
 	$(PYTHON_EXE) $(UTILS_DIR)/checkMetadata.py \
 	    -m $(REPORTS_DIR)/metadata.json \
 	    -r $(RULES_JSON) 2>&1 \