--- setup.py.orig	2016-12-20 17:34:58.140428476 +0100
+++ setup.py	2016-12-20 17:35:23.547463313 +0100
@@ -1,8 +1,8 @@
-# This gets f2py_signatures installed in the correct place. See 
+# This gets f2py_signatures installed in the correct place. See
 # http://groups.google.com/group/comp.lang.python/browse_thread/thread/35ec7b2fed36eaec/2105ee4d9e8042cb
 from distutils.command.install import INSTALL_SCHEMES
 for scheme in INSTALL_SCHEMES.values():
-    scheme['data'] = scheme['purelib'] 
+    scheme['data'] = scheme['purelib']
 
 # Importing these adds a 'bdist_mpkg' option that allows building binary packages on OS X.
 try:
@@ -16,7 +16,7 @@ import scipy
 if hasattr(scipy, 'Numeric'):
     # Using old scipy
     import scipy_distutils.core as core
-    data_files = [('SloppyCell/ReactionNetworks', 
+    data_files = [('SloppyCell/ReactionNetworks',
                    ['ReactionNetworks/f2py_signatures.pyf',
                     'ReactionNetworks/f2py_signatures_no_derivs.pyf',
                     'ReactionNetworks/mtrand.h',
@@ -55,19 +55,21 @@ if hasattr(os, 'link'):
 #  on CCMR, it seems (very slightly), faster to use the included ones rather
 #  than linking against LAPACK.
 daskr = core.Extension(name = 'SloppyCell._daskr',
-                       sources = ['daskr.pyf', 'ddaskr/ddaskr.f', 
-                                  'ddaskr/daux.f', 'ddaskr/dlinpk.f'])
+                       sources = ['daskr.pyf', 'ddaskr/ddaskr.f',
+                                  'ddaskr/daux.f', 'ddaskr/dlinpk.f'],
+                       extra_link_args = ['-shared'])
 
 misc_c = core.Extension(name = 'SloppyCell.misc_c',
-                        sources = ['misc_c.c', 'misc_c.pyf'])
+                        sources = ['misc_c.c', 'misc_c.pyf'],
+                        extra_link_args = ['-shared'])
 
 core.setup(name='SloppyCell',
            version='CVS',
            author='Ryan Gutenkunst',
            author_email='rng7@cornell.edu',
            url='http://sloppycell.sourceforge.net',
-           packages=['SloppyCell', 
-                     'SloppyCell.ReactionNetworks', 
+           packages=['SloppyCell',
+                     'SloppyCell.ReactionNetworks',
                      'SloppyCell.Testing',
                      'SloppyCell.ExprManip',
                      'SloppyCell.Vandermonde',