diff --git a/.gitignore b/.gitignore
index eae7c79e8..09761c023 100644
--- a/.gitignore
+++ b/.gitignore
@@ -52,7 +52,12 @@ examples/asm/sumtest/sumtest
 examples/asm/example/example
 examples/C/sum/sum
 examples/C/fir/fir
-synthDC/hdl/*.sv
 linux/devicetree/debug/*
 !linux/devicetree/debug/dumpdts.sh
 *.dtb
+synthDC/WORK
+synthDC/alib-52
+synthDC/*.log
+synthDC/*.svf
+synthDC/runs/
+synthDC/hdl
diff --git a/synthDC/Makefile b/synthDC/Makefile
index 3af767878..33670429b 100755
--- a/synthDC/Makefile
+++ b/synthDC/Makefile
@@ -3,15 +3,16 @@
 # 
 NAME := synth
 
-#instead of variant can we select 130nm, 90nm, or 28nm?
+# *** instead of variant can we select 130nm, 90nm, or 28nm?
 VARIANT := 18T_ms
 # defaults
 export DESIGN ?= wallypipelinedcore
 export FREQ ?= 500
+export CONFIG ?= rv32e
 
 time := $(shell date +%F-%H-%M)
 hash := $(shell git rev-parse --short HEAD)
-export OUTPUTDIR := runs/$(DESIGN)_$(FREQ)_MHz_$(time)_$(hash)
+export OUTPUTDIR := runs/$(DESIGN)_$(CONFIG)_$(FREQ)_MHz_$(time)_$(hash)
 
 default:
 	@echo "Basic synthesis procedure for OSU/HMC/UNLV:"
@@ -22,19 +23,19 @@ synth:
 #	@sed -i 's/18T_ms/${VARIANT}/g' scripts/synth.tcl
 #	@sed -i 's/18T_ms/${VARIANT}/g' .synopsys_dc.setup
 	@echo "DC Synthesis"
+	@mkdir -p hdl/
 	@mkdir -p $(OUTPUTDIR)
 	@mkdir -p $(OUTPUTDIR)/reports
 	@mkdir -p $(OUTPUTDIR)/mapped
 	@mkdir -p $(OUTPUTDIR)/unmapped
-	dc_shell-xg-t -64bit -f scripts/$(NAME).tcl | tee $(NAME).out
+	dc_shell-xg-t -64bit -f scripts/$(NAME).tcl | tee $(OUTPUTDIR)/$(NAME).out
 #	@cp mapped/*.sdc ../../outputs/
 #	@cp mapped/*.vh ../../outputs/
 #	@sed -i 's/${VARIANT}/18T_ms/g' scripts/synth.tcl
 #	@sed -i 's/${VARIANT}/18T_ms/g' .synopsys_dc.setup
 
 clean:
-	rm -rf  alib-52 WORK mapped unmapped reports analyzed $(NAME).out
-	mkdir mapped unmapped reports
+	rm -rf  alib-52 WORK analyzed $(NAME).out
 	rm -f hdl/*
 	rm -f default.svf
 	rm -f command.log
diff --git a/synthDC/scripts/synth.tcl b/synthDC/scripts/synth.tcl
index dc2763ac7..18d12494f 100755
--- a/synthDC/scripts/synth.tcl
+++ b/synthDC/scripts/synth.tcl
@@ -4,10 +4,10 @@
 #
 # get outputDir from environment (Makefile)
 set outputDir $::env(OUTPUTDIR)
-
+set cfgName $::env(CONFIG)
 # Config
 set hdl_src "../pipelined/src"
-set cfg "${hdl_src}/../config/rv32e/wally-config.vh"
+set cfg "${hdl_src}/../config/${cfgName}/wally-config.vh"
 
 eval file copy -force ${cfg} {hdl/}
 eval file copy -force ${cfg} $outputDir