1 files changed, 4 insertions, 0 deletions
diff --git a/upb/sink.h b/upb/sink.h
index 4d6d0a3..47d218a 100644
--- a/upb/sink.h
+++ b/upb/sink.h
@@ -20,6 +20,8 @@
 
 #include "upb/handlers.h"
 
+#include "upb/port_def.inc"
+
 #ifdef __cplusplus
 namespace upb {
 class BytesSink;
@@ -509,4 +511,6 @@ template <class T> bool PutBuffer(const T& str, BytesSink sink) {
 
 #endif  /* __cplusplus */
 
+#include "upb/port_undef.inc"
+
 #endif