This fixes a test failure on SLE11SP3:
Error is:
AssertionError: error: must supply either home or prefix/exec-prefix -- not both

--- a/setuptools/tests/test_egg_info.py
+++ b/setuptools/tests/test_egg_info.py
@@ -217,7 +217,7 @@ class TestEggInfo(object):
         if cmd is None:
             cmd = [
                 'install',
-                '--home', env.paths['home'],
+                '--prefix', env.paths['home'],
                 '--install-lib', env.paths['lib'],
                 '--install-scripts', env.paths['scripts'],
                 '--install-data', env.paths['data'],