tree 31705944f5535394dfc962095632357ea6e7e5c7
parent c48937e8cf3b825234ddc653450c4482b514474e
author Mike Vitus <vitus@google.com> 1519757462 -0800
committer Mike Vitus <vitus@google.com> 1519757462 -0800

Fixes the configuration check in port.h.

Fixes a bug introduced in 12280 that incorrectly used xor for multiple
values.

Tested it manually by verifying it would fail for 2, 3, or 4 of them
defined.

Change-Id: I90c2662f4744aceaf0119dbbe072beced3f67c9a