Makefile.emu: refactor command to build emu

Makefile.emu

@@ -80,20 +80,24 @@ $(EMU_MK): $(SIM_TOP_V) | $(EMU_DEPS)
 
 LOCK = /var/emu/emu.lock
 LOCK_BIN = $(abspath $(BUILD_DIR)/lock-emu)
+EMU_COMPILE_FILTER = 2> $(BUILD_DIR)/g++.err.log | tee $(BUILD_DIR)/g++.out.log | grep '^g++' | awk '{print "Compiling/Generating", $$NF}'
+
+build_emu_local: $(EMU_MK)
+	@echo "\n[g++] Compiling C++ files..." >> $(TIMELOG)
+	@date -R | tee -a $(TIMELOG)
+	$(TIME_CMD) $(MAKE) VM_PARALLEL_BUILDS=1 OPT_FAST="-O3" -C $(<D) -f $(<F) $(EMU_COMPILE_FILTER)
 
 $(LOCK_BIN): ./scripts/utils/lock-emu.c
 	gcc $^ -o $@
 
 $(EMU): $(EMU_MK) $(EMU_DEPS) $(EMU_HEADERS) $(REF_SO) $(LOCK_BIN)
-	@echo "\n[g++] Compiling C++ files..." >> $(TIMELOG)
-	@date -R | tee -a $(TIMELOG)
 ifeq ($(REMOTE),localhost)
-	$(TIME_CMD) $(MAKE) VM_PARALLEL_BUILDS=1 OPT_FAST="-O3" -C $(abspath $(dir $(EMU_MK))) -f $(abspath $(EMU_MK)) 2> $(BUILD_DIR)/g++.err.log | tee $(BUILD_DIR)/g++.out.log | grep '^g++' | awk '{print "Compiling/Generating", $$NF}'
+	$(MAKE) build_emu_local
 else
 	@echo "try to get emu.lock ..."
 	ssh -tt $(REMOTE) '$(LOCK_BIN) $(LOCK)'
 	@echo "get lock"
-	$(TIME_CMD) ssh -tt $(REMOTE) '$(MAKE) -j230 VM_PARALLEL_BUILDS=1 OPT_FAST="-O3" -C $(abspath $(dir $(EMU_MK))) -f $(abspath $(EMU_MK))'
+	ssh -tt $(REMOTE) '$(MAKE) -j230 build_emu_local'
 	@echo "release lock ..."
 	ssh -tt $(REMOTE) 'rm -f $(LOCK)'
 endif
@@ -117,3 +121,4 @@ coverage:
 	python3 scripts/coverage/coverage.py build/logs/annotated/XSSimTop.v build/XSSimTop_annotated.v
 	python3 scripts/coverage/statistics.py build/XSSimTop_annotated.v >build/coverage.log
 
+.PHONY: build_emu_local