diff -urN a/setup.py b/setup.py
--- a/setup.py	2018-07-22 22:09:23.840195059 +0300
+++ b/setup.py	2018-07-22 22:11:43.400626135 +0300
@@ -258,9 +258,8 @@
                     _add_directory(library_dirs, d)
 
         prefix = sysconfig.get_config_var("prefix")
         if prefix:
-            _add_directory(library_dirs, os.path.join(prefix, "lib"))
             _add_directory(include_dirs, os.path.join(prefix, "include"))
 
         #
         # add platform directories