diff --git a/.gitignore b/.gitignore
index ce8ce6fc..f9f2e0b5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,3 +9,4 @@ verif/sim
 vmod/dw_components/
 outdir/
 .nvprojectname
+tree.make
diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..6d5d6ae4
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,52 @@
+#!/usr/bin/env make
+
+## VARIABLES
+TREE_MAKE := tree.make
+
+##
+## _default should always be the first dependency (you can add extra local actions with default::)
+##
+
+default: $(TREE_MAKE)
+
+DEFAULT_CPP  := /home/utils/gcc-4.0.0/bin/cpp
+DEFAULT_GCC  := /home/utils/gcc-4.0.0/bin/g++
+DEFAULT_PERL := /home/utils/perl-5.8.8/bin/perl
+DEFAULT_JAVA := /home/utils/java/jdk1.8.0_131/bin/java
+DEFAULT_PROJ := nv_large nv_small
+
+$(TREE_MAKE): Makefile
+	@echo "Creating tree.make to setup your working environment and projects"
+	@echo "## ================================================================" >  $@
+	@echo "## NVDLA Open Source Project										  " >> $@
+	@echo "##																  " >> $@ 	
+	@echo "## Copyright(c) 2016 - 2017 NVIDIA Corporation.  Licensed under the" >> $@
+	@echo "## NVDLA Open Hardware License; Check LICENSE which comes with     " >> $@
+	@echo "## this distribution for more information.						  " >> $@
+	@echo "## ================================================================" >> $@
+	@echo "  																  " >> $@ 	
+	@echo "  																  " >> $@ 	
+	@echo "##======================= 										  " >> $@ 	
+	@echo "## Project Name Setup, multiple projects supported			  	  " >> $@
+	@echo "##======================= 										  " >> $@ 	
+	@read -p "Enter projects name      (Press ENTER if use: $(DEFAULT_PROJ)):" opt_proj; if [ "_$$opt_proj" = "_" ]; then echo "PROJECTS := $(DEFAULT_PROJ)" >> $@;  else echo "PROJECTS := $$opt_proj" >> $@; fi
+	@echo "  																  " >> $@ 	
+	@echo "##======================= 										  " >> $@ 	
+	@echo "##Linux Environment Setup 										  " >> $@ 	
+	@echo "##======================= 										  " >> $@ 	
+	@echo "  																  " >> $@ 	
+	@echo "## c pre-processor			   									  " >> $@
+	@read -p "Enter c pre-process path (Press ENTER if use: $(DEFAULT_CPP)):" opt_cpp; if [ "_$$opt_cpp" = "_" ]; then echo "CPP  := $(DEFAULT_CPP)" >> $@;  else echo "CPP  := $$opt_cpp" >> $@; fi
+	@echo "  																  " >> $@ 	
+	@echo "## c++ compiler	      		   									  " >> $@
+	@read -p "Enter g++ path           (Press ENTER if use: $(DEFAULT_GCC)):" opt_gcc; if [ "_$$opt_gcc" = "_" ]; then echo "GCC  := $(DEFAULT_GCC)" >> $@;  else echo "GCC  := $$opt_gcc" >> $@; fi
+	@echo "  																  " >> $@ 	
+	@echo "## perl: most script is written in perl 							  " >> $@
+	@read -p "Enter perl path          (Press ENTER if use: $(DEFAULT_PERL)):" opt_perl; if [ "_$$opt_perl" = "_" ]; then echo "PERL := $(DEFAULT_PERL)" >> $@;  else echo "PERL := $$opt_perl" >> $@; fi
+	@echo "  																  " >> $@ 	
+	@echo "## java: used in regester generation								  " >> $@
+	@read -p "Enter java path          (Press ENTER if use: $(DEFAULT_JAVA)):" opt_java; if [ "_$$opt_java" = "_" ]; then echo "JAVA := $(DEFAULT_JAVA)" >> $@;  else echo "JAVA := $$opt_java" >> $@; fi
+	@echo
+	@echo "================================================================"
+	@echo "$@ is created successfully, and you can edit $@ manually later"
+	@echo "================================================================"
diff --git a/tree.make b/tree.make
deleted file mode 100644
index c23a2658..00000000
--- a/tree.make
+++ /dev/null
@@ -1,23 +0,0 @@
-## ================================================================
-## NVDLA Open Source Project
-## 
-## Copyright(c) 2016 - 2017 NVIDIA Corporation.  Licensed under the
-## NVDLA Open Hardware License; Check "LICENSE" which comes with 
-## this distribution for more information.
-## ================================================================
-##
-## set the chip you want to build 
-PROJECTS := nv_large nv_small
-
-#=================
-# ENV TOOL setup
-#=================
-# c pre-processor
-CPP  := /home/utils/gcc-4.0.0/bin/cpp
-
-# used in ordt to generate reigster, need be newer than 1.7
-JAVA := /home/utils/java/jdk1.8.0_131/bin/java
-
-# used in ordt to generate reigster, need be newer than 1.7
-PERL := /home/utils/perl-5.8.8/bin/perl
-