Added multithreading to the setup.py

Author: Leily Rabbani

setup.py

@@ -21,9 +21,10 @@ def get_include(): #TODO
             # Path to eigen3 headers
             get_include(),
         ],
-	extra_compile_args=['-fopenmp'],
-        language='c++'
-    ),
+        language='c++',
+	extra_compile_args=["-fopenmp"],
+        extra_link_args=["-fopenmp"]
+    )
 ]
 
 
@@ -70,7 +71,7 @@ def build_extensions(self):
         ct = self.compiler.compiler_type
         opts = self.c_opts.get(ct, [])
         if ct == 'unix':
-            opts.append('-DVERSION_INFO="%s" -fopenmp' % self.distribution.get_version())
+            opts.append('-DVERSION_INFO="%s" ' % self.distribution.get_version())
             opts.append(cpp_flag(self.compiler))
             if has_flag(self.compiler, '-fvisibility=hidden'):
                 opts.append('-fvisibility=hidden')