Quiet down WPILib build a bit
These are most of the warnings, and I consider them not-unreasonable to
ignore.
Change-Id: I0cea9ecd4efaf80cb189559d79deaca437fc2199
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,