makefile: do not read in .openroad when running noop.tcl to print banner

Signed-off-by: Øyvind Harboe <[email protected]>

Author: oharboe

flow/Makefile

@@ -609,7 +609,7 @@ endif
 do-$(1): $(OBJECTS_DIR)/copyright.txt
 	@echo Running $(3).tcl, stage $(1)
 	@(trap 'mv $(LOG_DIR)/$(1).tmp.log $(LOG_DIR)/$(1).log' EXIT; \
-	 $(OPENROAD_EXE) -exit $(SCRIPTS_DIR)/noop.tcl 2>&1 >$(LOG_DIR)/$(1).tmp.log; \
+	 $(OPENROAD_EXE) -exit -no_init $(SCRIPTS_DIR)/noop.tcl 2>&1 >$(LOG_DIR)/$(1).tmp.log; \
 	 $(TIME_CMD) $(OPENROAD_CMD) -no_splash $(SCRIPTS_DIR)/$(3).tcl -metrics $(LOG_DIR)/$(1).json 2>&1 | \
 	 tee -a $(LOG_DIR)/$(1).tmp.log)
 endef