diff --git a/pywafo/build_all.py b/pywafo/build_all.py
new file mode 100644
index 0000000..5707249
--- /dev/null
+++ b/pywafo/build_all.py
@@ -0,0 +1,35 @@
+"""
+builds all extensions
+"""
+import os
+import shutil
+
+def compile_all():
+    wd = os.getcwd()
+    pkg_name = 'wafo'
+    root_dir = os.path.join(wd,'src',pkg_name)
+    root_src = os.path.join(root_dir, 'source')
+    buildscript = 'build_all.py'
+    build_call =  buildfile ='python.exe  %s' % buildscript
+    for root, dirs, files in os.walk(root_src):
+        dir1 = [dir for dir in dirs if not os.path.exists(os.path.join(root,dir,buildscript))]
+        for dir in dir1:
+            dirs.remove(dir) ## don't visit directories without buildscript
+        if buildscript in files:
+            print('Building: ', root)
+            #buildfile ='python.exe  %s' % os.path.join(root,buildscript) 
+            os.chdir(root)
+            t = os.system(build_call)
+            print(t)
+            
+            for file in os.listdir('.'):
+                if file.endswith('.pyd'):
+                    dest_file = os.path.join(root_dir, file)
+                    if os.path.exists(dest_file):
+                        os.remove(dest_file)
+                    shutil.copy(os.path.join(root,file), root_dir)
+            
+    os.chdir(wd)
+    
+if __name__=='__main__':
+    compile_all()
diff --git a/pywafo/test_all.py b/pywafo/test_all.py
new file mode 100644
index 0000000..7cbeb02
--- /dev/null
+++ b/pywafo/test_all.py
@@ -0,0 +1,7 @@
+import subprocess as sub
+
+print('Please wait, this may take a while')
+
+#sub.check_call('nosetests --with-coverage --cover-package=wafo', stderr=sub.STDOUT)
+sub.check_call('nosetests', stderr=sub.STDOUT)
+print('Finished')
\ No newline at end of file