diff --git a/openscad_utils.py b/openscad_utils.py
index b7a48d5..03b3bf6 100644
--- a/openscad_utils.py
+++ b/openscad_utils.py
@@ -1,4 +1,4 @@
-import py, re, os, signal, time
+import py, re, os, signal, time, commands
 from subprocess import Popen, PIPE
 
 mod_re = (r"\bmodule\s+(", r")\s*\(\s*")
@@ -30,26 +30,33 @@ def collect_test_modules(dirpath=None):
 class Timeout(Exception): pass
 
 def call_openscad(path, stlpath, timeout=1):
-    try:
-        command = ['openscad', '-s', str(stlpath),  str(path)]
-        print command
-        proc = Popen(command,
-            stdout=PIPE, stderr=PIPE, close_fds=True)
-        calltime = time.time()
-        time.sleep(0.01)
-        #print calltime
-        while True:
-            if proc.poll() is not None:
-                break
-            time.sleep(0.5)
-            #print time.time()
-            if time.time() > calltime + timeout:
-                raise Timeout()
-    finally:
+    command = ['openscad', '-s', str(stlpath),  str(path)]
+    print command
+    if timeout:
         try:
-            proc.terminate()
-            proc.kill()
-        except OSError:
-            pass
+            proc = Popen(command,
+                stdout=PIPE, stderr=PIPE, close_fds=True)
+            calltime = time.time()
+            time.sleep(0.01)
+            #print calltime
+            while True:
+                if proc.poll() is not None:
+                    break
+                time.sleep(0.5)
+                #print time.time()
+                if time.time() > calltime + timeout:
+                    raise Timeout()
+        finally:
+            try:
+                proc.terminate()
+                proc.kill()
+            except OSError:
+                pass
 
-    return (proc.returncode,) + proc.communicate()
+        return (proc.returncode,) + proc.communicate()
+    else:
+        output = commands.getstatusoutput(" ".join(command))
+        return output + ('', '')
+
+def parse_output(text):
+    pass
diff --git a/test_compile.py b/test_compile.py
index 79f2731..31e0e3f 100644
--- a/test_compile.py
+++ b/test_compile.py
@@ -30,10 +30,11 @@ use <%s>
     print code
     f.write(code)
     f.flush
-    output = call_openscad(path=fpath, stlpath=stlpath, timeout=5)
+    output = call_openscad(path=fpath, stlpath=stlpath, timeout=0)
     print output
     assert output[0] is 0
-    assert "warning" or "error" not in output[2].strip().lowercase()
+    for s in ("warning", "error"):
+        assert s not in output[2].strip().lower()
     assert len(stlpath.readlines()) > 2
 
 def test_file_compile(modpath):
@@ -41,7 +42,8 @@ def test_file_compile(modpath):
     output = call_openscad(path=modpath, stlpath=stlpath)
     print output
     assert output[0] is 0
-    assert "warning" or "error" not in output[2].strip().lowercase()
+    for s in ("warning", "error"):
+        assert s not in output[2].strip().lower()
     assert len(stlpath.readlines()) == 2
 
 
diff --git a/utilities.scad b/utilities.scad
index cafb6ec..174d4ba 100644
--- a/utilities.scad
+++ b/utilities.scad
@@ -5,7 +5,7 @@
  * Dual licenced under Creative Commons Attribution-Share Alike 3.0 and LGPL2 or later
  */
 
-<units.scad>
+include <units.scad>
 
 function distance(a, b) = sqrt( (a[0] - b[0])*(a[0] - b[0]) +
                                 (a[1] - b[1])*(a[1] - b[1]) +