From 74e2da30314f599bda4b7af4ddbdf7c88147eb24 Mon Sep 17 00:00:00 2001
From: Leigh McCulloch <351529+leighmcculloch@users.noreply.github.com>
Date: Mon, 30 Sep 2024 08:31:20 +1000
Subject: [PATCH] Add compile errors when built with unsupported wasm features

---
 soroban-sdk/src/lib.rs | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/soroban-sdk/src/lib.rs b/soroban-sdk/src/lib.rs
index ed0fc0de..cffa18d7 100644
--- a/soroban-sdk/src/lib.rs
+++ b/soroban-sdk/src/lib.rs
@@ -47,16 +47,11 @@
 #[cfg(all(target_family = "wasm", feature = "testutils"))]
 compile_error!("'testutils' feature is not supported on 'wasm' target");
 
-#[cfg(all(
-    target_family = "wasm",
-    any(target_feature = "reference-types", target_feature = "multivalue")
-))]
-compile_!(
-    "Compiler configuration is unsupported by Soroban Environment, because a
-    Wasm feature is enabled that is not yet supported: reference-types,
-    multivalue. Use Rust 1.81 or older, or disable reference-types or
-    multivalue."
-);
+#[cfg(all(target_family = "wasm", target_feature = "reference-types",))]
+compile_error!("Compiler configuration is unsupported by Soroban Environment, because a Wasm target-feature is enabled that is not yet supported: reference-types. Use Rust 1.81 or older.");
+
+#[cfg(all(target_family = "wasm", target_feature = "multivalue",))]
+compile_error!("Compiler configuration is unsupported by Soroban Environment, because a Wasm target-feature is enabled that is not yet supported: multivalue. Use Rust 1.81 or older.");
 
 // When used in a no_std contract, provide a panic handler as one is required.
 #[cfg(all(not(feature = "alloc"), target_family = "wasm"))]