diff --git a/Makefile.common b/Makefile.common
index cbc178c5..3d682513 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -23,21 +23,20 @@
 #
 
 UNAME_M := $(shell uname -m)
-ifeq (, $(shell which python3 ))
+
+PYTHON=$(shell which python3)
+ifeq (, $(PYTHON) )
   $(error "python3 not found in $(PATH)")
 endif
 
-PYVER=$(shell python3 -c "import sys;t='{v[0]}.{v[1]}'.format(v=list(sys.version_info[:2]));sys.stdout.write(t)")
-
 CC=/usr/bin/clang++-8
 LD=/usr/bin/ld
-PYTHON=/usr/bin/python$(PYVER)
 SWIG=/usr/bin/swig
 
 ROOT_DIR=$(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
 EIGEN_INCLUDES=-isystem $(ROOT_DIR)/packages/eigen-eigen-323c052e1731
 DNNC_INCLUDES= -I$(ROOT_DIR)/include
-PY_INCLUDES= -I$(wildcard /usr/include/python$(PYVER)*)
+PY_INCLUDES= -I$(shell python3 -c "from sysconfig import get_paths as gp; print(gp()['include'])")
 
 LD_FLAGS=-shared
 CPP_FLAGS=-O3 -Wall -std=c++17 -fPIC -march=native
diff --git a/setup.py b/setup.py
index 38cc9c0e..3dd25abe 100644
--- a/setup.py
+++ b/setup.py
@@ -1,11 +1,11 @@
 # how to run this script: python setup.py bdist_wheel
-# hot to test install: python -m pip install ~/dnnc/master/dnnCompiler/dist/dnnc-0.1-py3-none-any.whl --root pip_install_test
-# reference: https://dzone.com/articles/executable-package-pip-install
+# how to test install: python -m pip install ~/dnnc/master/dnnCompiler/dist/dnnc-0.1-py3-none-any.whl --root pip_install_test
 
 import os, sys, glob
-import shutil, errno
+import shutil, errno, subprocess, multiprocessing
 import setuptools
 
+
 NAME='deepC'
 VERSION=0.12
 
@@ -20,6 +20,26 @@ def is_pure(self):
     def has_ext_modules(self):
         return True;
 
+from setuptools.command.build_ext import build_ext as buildext
+class make_build(setuptools.Command):
+    
+    def initialize_options(self):
+        self.jobs = multiprocessing.cpu_count()
+
+    def finalize_options(self):
+        self.jobs = int(self.jobs)
+
+    def run(self):
+        cmd = "make CC=g++ SRC -j " + str(self.jobs)
+        subprocess.call(cmd, shell=True)
+        cmd = "make CC=g++ all "
+        subprocess.call(cmd, shell=True)
+
+class build_ext(buildext):
+    def run(self):
+        self.run_command('make_build')
+
+
 #create the links to src dir inside deepC for proper installation.
 def link_dir(dir_name):
   try:
@@ -41,13 +61,26 @@ def source_files(directory):
             paths.append(os.path.join(path, filename))
     return paths
 
+cmdclass = {
+    'make_build': make_build,
+    'build_ext': build_ext,
+}
+
+ext_modules = [
+    setuptools.Extension(
+        name=str(NAME+".dnnc"),
+        sources=[
+                 str(source_files('include')) +
+                 str(source_files('packages'))
+                ])
+]
+
 packages = setuptools.find_packages()
 
 tests_require = []
 tests_require.append('unittest')
 install_requires = []
 install_requires.extend([
-    'numpy>=1.16.1',
     'onnx==1.5.0',
 ])
 
@@ -58,6 +91,8 @@ def source_files(directory):
     long_description_content_type="text/markdown",
     long_description=long_description,
     packages=packages,
+    ext_modules=ext_modules,
+    cmdclass=cmdclass,
     include_package_data=True,
     package_data={'':['_dnnc.so'] +
         source_files('include') +