1 files changed, 5 insertions, 1 deletions
diff --git a/src/google/protobuf/reflection_ops.h b/src/google/protobuf/reflection_ops.h
index 45d8c650..78666f30 100644
--- a/src/google/protobuf/reflection_ops.h
+++ b/src/google/protobuf/reflection_ops.h
@@ -41,6 +41,10 @@
 #include <google/protobuf/stubs/common.h>
 #include <google/protobuf/message.h>
 
+#ifdef SWIG
+#error "You cannot SWIG proto headers"
+#endif
+
 namespace google {
 namespace protobuf {
 namespace internal {
@@ -76,6 +80,6 @@ class LIBPROTOBUF_EXPORT ReflectionOps {
 
 }  // namespace internal
 }  // namespace protobuf
-
 }  // namespace google
+
 #endif  // GOOGLE_PROTOBUF_REFLECTION_OPS_H__