Some distutils tests require zlib for creating tar.gz source distribution.

tests/test_bdist_rpm.py

@@ -3,7 +3,7 @@
 import unittest
 import sys
 import os
-from test.support import run_unittest
+from test.support import run_unittest, requires_zlib
 
 from distutils.core import Distribution
 from distutils.command.bdist_rpm import bdist_rpm
@@ -44,6 +44,7 @@ class BuildRpmTestCase(support.TempdirManager,
     # spurious sdtout/stderr output under Mac OS X
     @unittest.skipUnless(sys.platform.startswith('linux'),
                          'spurious sdtout/stderr output under Mac OS X')
+    @requires_zlib
     @unittest.skipIf(find_executable('rpm') is None,
                      'the rpm command is not found')
     @unittest.skipIf(find_executable('rpmbuild') is None,
@@ -86,6 +87,7 @@ class BuildRpmTestCase(support.TempdirManager,
     # spurious sdtout/stderr output under Mac OS X
     @unittest.skipUnless(sys.platform.startswith('linux'),
                          'spurious sdtout/stderr output under Mac OS X')
+    @requires_zlib
     # http://bugs.python.org/issue1533164
     @unittest.skipIf(find_executable('rpm') is None,
                      'the rpm command is not found')