--- pycrypto-1.9a6/setup.py.64bit	2003-04-07 23:36:25.000000000 +0800
+++ pycrypto-1.9a6/setup.py	2004-02-09 15:09:58.302668080 +0800
@@ -113,7 +113,7 @@
         build_ext.build_extensions(self)
 
     def detect_modules (self):
-        lib_dirs = self.compiler.library_dirs + ['/lib', '/usr/lib']
+        lib_dirs = self.compiler.library_dirs + ['/lib', '/lib64', '/usr/lib', '/usr/lib64']
         inc_dirs = self.compiler.include_dirs + ['/usr/include']
         exts = []
         if (self.compiler.find_library_file(lib_dirs, 'gmp')):