From 0655301d85a8d714d266a087d967feee79221389 Mon Sep 17 00:00:00 2001
From: Sean Morgan <seanmorgan91@gmail.com>
Date: Tue, 31 May 2022 14:02:11 -0700
Subject: [PATCH] Pin compatible protobuf version

---
 setup.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index 8c24bee6204..3e44fb34e16 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,14 @@
     'astor',
     'absl-py',
     'jinja2',
-    'protobuf>=3.14',
+    # TODO(b/182876485): Protobuf 3.20 results in linker errors on Windows
+    # Protobuf 4.0 is binary incompatible with what C++ TF uses.
+    # We need ~1 quarter to update properly.
+    # See also: https://github.com/tensorflow/tensorflow/issues/53234
+    # See also: https://github.com/protocolbuffers/protobuf/issues/9954
+    # See also: https://github.com/tensorflow/tensorflow/issues/56077
+    # This is a temporary patch for now, to patch previous TF releases.
+    'protobuf >= 3.1.4, < 3.20',
     'pyyaml',
 ]