From 3f02e7bc1bd63af30cecd000fd9449b4ce69dc33 Mon Sep 17 00:00:00 2001
From: Kate Goldenring <kate.goldenring@fermyon.com>
Date: Thu, 27 Jun 2024 14:29:11 -0700
Subject: [PATCH] fix: add proto build flag to allow option proto fields

Signed-off-by: Kate Goldenring <kate.goldenring@fermyon.com>
---
 discovery-utils/build.rs | 1 +
 1 file changed, 1 insertion(+)

diff --git a/discovery-utils/build.rs b/discovery-utils/build.rs
index 6d5f169a3..6ec0bc4e8 100644
--- a/discovery-utils/build.rs
+++ b/discovery-utils/build.rs
@@ -1,6 +1,7 @@
 fn main() {
     tonic_build::configure()
         .out_dir("./src/discovery")
+        .protoc_arg("--experimental_allow_proto3_optional")
         .compile(&["proto/discovery.proto"], &["proto"])
         .expect("failed to compile protos");
 }