removed -R compilaiton flag that gcc doesn't like

distutils.ext/obidistutils/core.py

@@ -56,7 +56,7 @@ def findCython(root,base=None,pyrexs=None):
                                     include_dirs=[libabspath],
                                     libraries=["obi3"],
                                     runtime_library_dirs=[libabspath],
-                                    extra_link_args=["-Wl,-rpath,"+libabspath, "-R"+libabspath]
+                                    extra_link_args=["-Wl,-rpath,"+libabspath, "-L"+libabspath]
                                     )
                           )
             try: