From cf153f38de8688d0e400a77f16760c76e4d483a8 Mon Sep 17 00:00:00 2001
From: Alex Orlenko <zxteam@protonmail.com>
Date: Wed, 3 Jan 2024 11:33:42 +0000
Subject: [PATCH] Panic when try to build for wasm32 without vendored feature
 (except luau)

---
 Cargo.toml                    | 3 ---
 mlua-sys/build/find_normal.rs | 6 ++++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 3c72e1d..8f2ee52 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -60,9 +60,6 @@ ffi = { package = "mlua-sys", version = "0.4.0", path = "mlua-sys" }
 [target.'cfg(unix)'.dependencies]
 libloading = { version = "0.8", optional = true }
 
-[target.'cfg(target_arch = "wasm32")'.dependencies]
-ffi = { package = "mlua-sys", version = "0.4.0", path = "mlua-sys", features = ["vendored"] }
-
 [dev-dependencies]
 trybuild = "1.0"
 futures = "0.3.5"
diff --git a/mlua-sys/build/find_normal.rs b/mlua-sys/build/find_normal.rs
index 655814b..26b1200 100644
--- a/mlua-sys/build/find_normal.rs
+++ b/mlua-sys/build/find_normal.rs
@@ -4,6 +4,12 @@ use std::env;
 use std::ops::Bound;
 
 pub fn probe_lua() {
+    let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
+
+    if target_arch == "wasm32" && cfg!(not(feature = "vendored")) {
+        panic!("Please enable `vendored` feature to build for wasm32");
+    }
+
     let lib_dir = env::var("LUA_LIB").unwrap_or_default();
     let lua_lib = env::var("LUA_LIB_NAME").unwrap_or_default();