Merge "Quiet down WPILib build a bit"
diff --git a/aos/externals/BUILD b/aos/externals/BUILD
index 55b85d4..e40bbbb 100644
--- a/aos/externals/BUILD
+++ b/aos/externals/BUILD
@@ -36,6 +36,8 @@
   ],
   copts = [
     '-Wno-error',
+    '-Wno-unused-parameter',
+    '-Wno-switch-enum',
   ],
   hdrs = glob([d + '/**/*.h' for d in _header_dirs] + [d + '/**/*.hpp' for d in _header_dirs]),
   includes = _header_dirs,