- Every change to config file by package-manager causing more newlines to

be added to 

  ldflags =

  line.

  If there is no value set to the variable ("") or it is set to None, than
  put a comment in front of that line.

setup.py

@@ -77,8 +77,10 @@ class Install(install):
                                and not m[0].endswith('__')]
 
             for member in section_members:
-                pisiconf.write("%s = %s\n" % (member[0], member[1]))
-
+                if member[1] == None or member[1] == "":
+                    pisiconf.write("# %s = %s\n" % (member[0], member[1]))
+                else:
+                    pisiconf.write("%s = %s\n" % (member[0], member[1]))
             pisiconf.write('\n')