fix: add experimental_allow_proto3_optional compile option

ArroyoSystems · Aug 3, 2024 · 91c6af3 · 91c6af3
1 parent 6ff0884
commit 91c6af3
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/crates/arroyo-rpc/build.rs b/crates/arroyo-rpc/build.rs
@@ -2,11 +2,14 @@ use std::env;
 use std::path::PathBuf;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    tonic_build::compile_protos("proto/rpc.proto")?;
+    tonic_build::configure()
+        .protoc_arg("--experimental_allow_proto3_optional")
+        .compile(&["proto/rpc.proto"], &["proto/"])?;
 
     let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
 
     tonic_build::configure()
+        .protoc_arg("--experimental_allow_proto3_optional")
         .file_descriptor_set_path(out_dir.join("api_descriptor.bin"))
         .type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
         .type_attribute(".", "#[serde(rename_all = \"camelCase\")]")