diff --git a/.bazelrc b/.bazelrc
index 0023bdb2..63847eb3 100644
--- a/.bazelrc
+++ b/.bazelrc
@@ -12,6 +12,15 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+common --enable_platform_specific_config
+
+# Suppress warnings from external repositories if possible.
+build --features=external_include_paths
+build --host_features=external_include_paths
+
+# FIXME: This shouldn’t be necessary.  File bug against Bazel.
+build:windows --copts='/external:W3' --host_copts='/external:W3'
+
 # Run Pylint by default.
 build --aspects='//private:defs.bzl%check_python'
 build --output_groups='+check_python'