diff --git a/lib/freepdk45/Makefile b/lib/freepdk45/Makefile
index c0e707aa..a4ac9e06 100644
--- a/lib/freepdk45/Makefile
+++ b/lib/freepdk45/Makefile
@@ -4,25 +4,27 @@ TEST_DIR = ${CUR_DIR}/tests
 MAKEFLAGS += -j 2
 
 CONFIG_DIR = configs
-OUT_DIRS = sp lib lef gds 
+OUT_DIRS = sp lib lef gds  verilog
 $(shell   mkdir -p $(OUT_DIRS))
 
 SRCS=$(wildcard $(CONFIG_DIR)/*.py)
 SPICES=$(SRCS:.py=.sp)
 all : $(SPICES) 
 
+# Characterize and perform DRC/LVS
+OPTS = -c
+# Do not characterize or perform DRC/LVS
+#OPTS = -n
 %.sp : %.py
-	openram.py -c $<
-	mv ($basename $<).lef lef
-	mv ($basename $<).sp sp
-	mv ($basename $<).gds gds
-	mv ($basename $<)\*.lib lib
+	$(eval bname=$(basename $(notdir $<)))
+	openram.py $(OPTS) $< 2>&1 > $(bname).log
+	mv $(bname).lef lef
+	mv $(bname).v verilog
+	mv $(bname).sp sp
+	mv $(bname).gds gds
+	mv $(bname)*.lib lib
 
 clean:
-	find . -name \*.pyc -exec rm {} \;
-	find . -name \*~ -exec rm {} \;
-	find . -name \*.lef -exec rm {} \;
-	find . -name \*.lib -exec rm {} \;
-	find . -name \*.sp -exec rm {} \;
-	find . -name \*.gds -exec rm {} \;
+	rm -f *.log *.pyc *~ *.gds *.lib *.sp *.v *.lef
+	rm -f gds/* lef/* lib/* sp/* verilog/*