diff --git a/setup.py b/setup.py
index 04abbff..d560725 100644
--- a/setup.py
+++ b/setup.py
@@ -14,21 +14,25 @@ import os
 
 print("You might want to add additional library path to LD_LIBRARY_PATH (especially if you are not using"
         " GNU GSL in your system library path) and if import fails. ")
-print(os.environ['LD_LIBRARY_PATH'].split(':'))
+if(os.environ.has_key("LD_LIBRARY_PATH")):
+    print(os.environ['LD_LIBRARY_PATH'].split(':'))
 
 qpms_c = Extension('qpms_c',
         sources = ['qpms/qpms_c.pyx','qpms/gaunt.c',#'qpms/gaunt.h','qpms/vectors.h','qpms/translations.h',
             # FIXME http://stackoverflow.com/questions/4259170/python-setup-script-extensions-how-do-you-include-a-h-file
             'qpms/translations.c'],
         extra_compile_args=['-std=c99','-ggdb','-O3',
+            '-DQPMS_COMPILE_PYTHON_EXTENSIONS', # this is required
+            #'-DQPMS_USE_OMP',
             '-DDISABLE_NDEBUG', # uncomment to enable assertions in the modules
+            #'-fopenmp',
             ],
         libraries=['gsl', 'blas', 'omp'],
-        runtime_library_dirs=os.environ['LD_LIBRARY_PATH'].split(':')
+        runtime_library_dirs=os.environ['LD_LIBRARY_PATH'].split(':') if os.environ.has_key['LD_LIBRARY_PATH'] else []
         )
 
 setup(name='qpms',
-        version = "0.2.0",
+        version = "0.2.8",
         packages=['qpms'],
 #        setup_requires=['setuptools_cython'],
         install_requires=['cython>=0.21','quaternion','spherical_functions','py_gmm'],