diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index bc34a0e..759c863 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -14,7 +14,7 @@ jobs:
 
       - name: Generate coverage report
         run: |
-          cargo tarpaulin --out xml --tests --exclude-files benches/* --exclude-files src/ffi/*/*
+          cargo tarpaulin --out xml --tests --exclude-files benches/*
 
       - name: Upload report to codecov.io
         uses: codecov/codecov-action@v3
diff --git a/Cargo.toml b/Cargo.toml
index f61ea1f..91d0180 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,8 +9,6 @@ readme = "README.md"
 keywords = ["lua", "luajit", "luau", "async", "scripting"]
 categories = ["api-bindings", "asynchronous"]
 license = "MIT"
-links = "lua"
-build = "build/main.rs"
 description = """
 High level bindings to Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Roblox Luau
 with async/await features and support of writing native Lua modules in Rust.
@@ -23,18 +21,19 @@ rustdoc-args = ["--cfg", "docsrs"]
 [workspace]
 members = [
     "mlua_derive",
+    "mlua-sys",
 ]
 
 [features]
-lua54 = []
-lua53 = []
-lua52 = []
-lua51 = []
-luajit = []
-luajit52 = ["luajit"]
-luau = ["luau0-src"]
-vendored = ["lua-src", "luajit-src"]
-module = ["mlua_derive"]
+lua54 = ["ffi/lua54"]
+lua53 = ["ffi/lua53"]
+lua52 = ["ffi/lua52"]
+lua51 = ["ffi/lua51"]
+luajit = ["ffi/luajit"]
+luajit52 = ["luajit", "ffi/luajit52"]
+luau = ["ffi/luau"]
+vendored = ["ffi/vendored"]
+module = ["mlua_derive", "ffi/module"]
 async = ["futures-core", "futures-task", "futures-util"]
 send = []
 serialize = ["serde", "erased-serde", "serde-value"]
@@ -55,12 +54,7 @@ erased-serde = { version = "0.3", optional = true }
 serde-value = { version = "0.7", optional = true }
 parking_lot = { version = "0.12", optional = true }
 
-[build-dependencies]
-cc = { version = "1.0" }
-pkg-config = { version = "0.3.17" }
-lua-src = { version = ">= 544.0.0, < 550.0.0", optional = true }
-luajit-src = { version = ">= 210.4.0, < 220.0.0", optional = true }
-luau0-src = { version = "0.5.0", optional = true }
+ffi = { package = "mlua-sys", version = "0.1.0", path = "mlua-sys" }
 
 [dev-dependencies]
 rustyline = "11.0"
diff --git a/build/find_dummy.rs b/build/find_dummy.rs
deleted file mode 100644
index d8ad44b..0000000
--- a/build/find_dummy.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-use std::path::PathBuf;
-
-pub fn probe_lua() -> Option<PathBuf> {
-    None
-}
diff --git a/build/main.rs b/build/main.rs
deleted file mode 100644
index 5cb979a..0000000
--- a/build/main.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-#[cfg_attr(
-    any(
-        feature = "luau",
-        all(
-            feature = "vendored",
-            any(
-                feature = "lua54",
-                feature = "lua53",
-                feature = "lua52",
-                feature = "lua51",
-                feature = "luajit"
-            )
-        )
-    ),
-    path = "find_vendored.rs"
-)]
-#[cfg_attr(
-    all(
-        not(feature = "vendored"),
-        any(
-            feature = "lua54",
-            feature = "lua53",
-            feature = "lua52",
-            feature = "lua51",
-            feature = "luajit"
-        )
-    ),
-    path = "find_normal.rs"
-)]
-#[cfg_attr(
-    not(any(
-        feature = "lua54",
-        feature = "lua53",
-        feature = "lua52",
-        feature = "lua51",
-        feature = "luajit",
-        feature = "luau"
-    )),
-    path = "find_dummy.rs"
-)]
-mod find;
-
-fn main() {
-    #[cfg(not(any(
-        feature = "lua54",
-        feature = "lua53",
-        feature = "lua52",
-        feature = "lua51",
-        feature = "luajit",
-        feature = "luau"
-    )))]
-    compile_error!(
-        "You must enable one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    #[cfg(all(
-        feature = "lua54",
-        any(
-            feature = "lua53",
-            feature = "lua52",
-            feature = "lua51",
-            feature = "luajit",
-            feature = "luau"
-        )
-    ))]
-    compile_error!(
-        "You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    #[cfg(all(
-        feature = "lua53",
-        any(
-            feature = "lua52",
-            feature = "lua51",
-            feature = "luajit",
-            feature = "luau"
-        )
-    ))]
-    compile_error!(
-        "You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    #[cfg(all(
-        feature = "lua52",
-        any(feature = "lua51", feature = "luajit", feature = "luau")
-    ))]
-    compile_error!(
-        "You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    #[cfg(all(feature = "lua51", any(feature = "luajit", feature = "luau")))]
-    compile_error!(
-        "You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    #[cfg(all(feature = "luajit", feature = "luau"))]
-    compile_error!(
-        "You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau"
-    );
-
-    // We don't support "vendored module" mode on windows
-    #[cfg(all(feature = "vendored", feature = "module", target_os = "windows"))]
-    compile_error!(
-        "Vendored (static) builds are not supported for modules on Windows.\n"
-            + "Please, use `pkg-config` or custom mode to link to a Lua dll."
-    );
-
-    #[cfg(all(feature = "luau", feature = "module"))]
-    compile_error!("Luau does not support module mode");
-
-    #[cfg(any(not(feature = "module"), target_os = "windows"))]
-    find::probe_lua();
-
-    println!("cargo:rerun-if-changed=build");
-}
diff --git a/mlua-sys/Cargo.toml b/mlua-sys/Cargo.toml
new file mode 100644
index 0000000..f97ac51
--- /dev/null
+++ b/mlua-sys/Cargo.toml
@@ -0,0 +1,39 @@
+[package]
+name = "mlua-sys"
+version = "0.1.0"
+authors = ["Aleksandr Orlenko <zxteam@pm.me>"]
+edition = "2021"
+repository = "https://github.com/khvzak/mlua"
+readme = "README.md"
+categories = ["external-ffi-bindings"]
+license = "MIT"
+links = "lua"
+build = "build/main.rs"
+description = """
+Low level (FFI) bindings to Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Roblox Luau
+"""
+
+[package.metadata.docs.rs]
+features = ["lua54", "vendored"]
+rustdoc-args = ["--cfg", "docsrs"]
+
+[features]
+lua54 = []
+lua53 = []
+lua52 = []
+lua51 = []
+luajit = []
+luajit52 = ["luajit"]
+luau = ["luau0-src"]
+vendored = ["lua-src", "luajit-src"]
+module = []
+
+[dependencies]
+
+[build-dependencies]
+cc = "1.0"
+cfg-if = "1.0"
+pkg-config = "0.3.17"
+lua-src = { version = ">= 544.0.0, < 550.0.0", optional = true }
+luajit-src = { version = ">= 210.4.0, < 220.0.0", optional = true }
+luau0-src = { version = "0.5.0", optional = true }
diff --git a/mlua-sys/README.md b/mlua-sys/README.md
new file mode 100644
index 0000000..d0de625
--- /dev/null
+++ b/mlua-sys/README.md
@@ -0,0 +1,8 @@
+# mlua-sys
+
+Low level (FFI) bindings to Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Roblox [Luau].
+
+Intended to be consumed by the [mlua] crate.
+
+[Luau]: https://github.com/Roblox/luau
+[mlua]: https://crates.io/crates/mlua
diff --git a/build/find_normal.rs b/mlua-sys/build/find_normal.rs
similarity index 100%
rename from build/find_normal.rs
rename to mlua-sys/build/find_normal.rs
diff --git a/build/find_vendored.rs b/mlua-sys/build/find_vendored.rs
similarity index 100%
rename from build/find_vendored.rs
rename to mlua-sys/build/find_vendored.rs
diff --git a/mlua-sys/build/main.rs b/mlua-sys/build/main.rs
new file mode 100644
index 0000000..53074f8
--- /dev/null
+++ b/mlua-sys/build/main.rs
@@ -0,0 +1,19 @@
+cfg_if::cfg_if! {
+    if #[cfg(all(feature = "lua54", not(any(feature = "lua53", feature = "lua52", feature = "lua51", feature = "luajit", feature = "luau"))))] {
+        include!("main_inner.rs");
+    } else if #[cfg(all(feature = "lua53", not(any(feature = "lua54", feature = "lua52", feature = "lua51", feature = "luajit", feature = "luau"))))] {
+        include!("main_inner.rs");
+    } else if #[cfg(all(feature = "lua52", not(any(feature = "lua54", feature = "lua53", feature = "lua51", feature = "luajit", feature = "luau"))))] {
+        include!("main_inner.rs");
+    } else if #[cfg(all(feature = "lua51", not(any(feature = "lua54", feature = "lua53", feature = "lua52", feature = "luajit", feature = "luau"))))] {
+        include!("main_inner.rs");
+    } else if #[cfg(all(feature = "luajit", not(any(feature = "lua54", feature = "lua53", feature = "lua52", feature = "lua51", feature = "luau"))))] {
+        include!("main_inner.rs");
+    } else if #[cfg(all(feature = "luau", not(any(feature = "lua54", feature = "lua53", feature = "lua52", feature = "lua51", feature = "luajit"))))] {
+        include!("main_inner.rs");
+    } else {
+        fn main() {
+            compile_error!("You can enable only one of the features: lua54, lua53, lua52, lua51, luajit, luajit52, luau");
+        }
+    }
+}
diff --git a/mlua-sys/build/main_inner.rs b/mlua-sys/build/main_inner.rs
new file mode 100644
index 0000000..7d4f15f
--- /dev/null
+++ b/mlua-sys/build/main_inner.rs
@@ -0,0 +1,26 @@
+cfg_if::cfg_if! {
+    if #[cfg(any(feature = "luau", feature = "vendored"))] {
+        #[path = "find_vendored.rs"]
+        mod find;
+    } else {
+        #[path = "find_normal.rs"]
+        mod find;
+    }
+}
+
+fn main() {
+    // We don't support "vendored module" mode on windows
+    #[cfg(all(feature = "vendored", feature = "module", target_os = "windows"))]
+    compile_error!(
+        "Vendored (static) builds are not supported for modules on Windows.\n"
+            + "Please, use `pkg-config` or custom mode to link to a Lua dll."
+    );
+
+    #[cfg(all(feature = "luau", feature = "module"))]
+    compile_error!("Luau does not support module mode");
+
+    #[cfg(any(not(feature = "module"), target_os = "windows"))]
+    find::probe_lua();
+
+    println!("cargo:rerun-if-changed=build");
+}
diff --git a/src/ffi/mod.rs b/mlua-sys/src/lib.rs
similarity index 66%
rename from src/ffi/mod.rs
rename to mlua-sys/src/lib.rs
index 08e4183..32955fa 100644
--- a/src/ffi/mod.rs
+++ b/mlua-sys/src/lib.rs
@@ -1,38 +1,43 @@
-//! Low level bindings to Lua 5.4/5.3/5.2/5.1 including LuaJIT.
+//! Low level bindings to Lua 5.4/5.3/5.2/5.1 (including LuaJIT) and Roblox Luau.
 
 #![allow(non_camel_case_types, non_snake_case, dead_code)]
 
 use std::os::raw::c_int;
 
-#[cfg(feature = "lua54")]
+#[cfg(any(feature = "lua54", doc))]
 pub use lua54::*;
 
-#[cfg(feature = "lua53")]
+#[cfg(any(feature = "lua53", doc))]
 pub use lua53::*;
 
-#[cfg(feature = "lua52")]
+#[cfg(any(feature = "lua52", doc))]
 pub use lua52::*;
 
-#[cfg(any(feature = "lua51", feature = "luajit"))]
+#[cfg(any(feature = "lua51", feature = "luajit", doc))]
 pub use lua51::*;
 
-#[cfg(feature = "luau")]
+#[cfg(any(feature = "luau", doc))]
 pub use luau::*;
 
 #[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
+#[doc(hidden)]
 pub const LUA_MAX_UPVALUES: c_int = 255;
 
 #[cfg(any(feature = "lua51", all(feature = "luajit", not(feature = "vendored"))))]
+#[doc(hidden)]
 pub const LUA_MAX_UPVALUES: c_int = 60;
 
 #[cfg(all(feature = "luajit", feature = "vendored"))]
+#[doc(hidden)]
 pub const LUA_MAX_UPVALUES: c_int = 120;
 
 #[cfg(feature = "luau")]
+#[doc(hidden)]
 pub const LUA_MAX_UPVALUES: c_int = 200;
 
 // I believe `luaL_traceback` < 5.4 requires this much free stack to not error.
 // 5.4 uses `luaL_Buffer`
+#[doc(hidden)]
 pub const LUA_TRACEBACK_STACK: c_int = 11;
 
 // The minimum alignment guaranteed by the architecture. This value is used to
@@ -51,6 +56,7 @@ pub const LUA_TRACEBACK_STACK: c_int = 11;
     all(target_arch = "riscv32", not(target_os = "espidf")),
     all(target_arch = "xtensa", not(target_os = "espidf")),
 )))]
+#[doc(hidden)]
 pub const SYS_MIN_ALIGN: usize = 8;
 #[cfg(all(any(
     target_arch = "x86_64",
@@ -61,44 +67,35 @@ pub const SYS_MIN_ALIGN: usize = 8;
     target_arch = "riscv64",
     target_arch = "wasm64",
 )))]
+#[doc(hidden)]
 pub const SYS_MIN_ALIGN: usize = 16;
 // The allocator on the esp-idf platform guarentees 4 byte alignment.
 #[cfg(all(any(
     all(target_arch = "riscv32", target_os = "espidf"),
     all(target_arch = "xtensa", target_os = "espidf"),
 )))]
+#[doc(hidden)]
 pub const SYS_MIN_ALIGN: usize = 4;
 
-// Hack to avoid stripping a few unused Lua symbols that could be imported
-// by C modules in unsafe mode
-#[cfg(not(feature = "luau"))]
-pub(crate) fn keep_lua_symbols() {
-    let mut _symbols: Vec<*const extern "C" fn()> = vec![
-        lua_atpanic as _,
-        lua_isuserdata as _,
-        lua_tocfunction as _,
-        luaL_loadstring as _,
-        luaL_openlibs as _,
-    ];
-    #[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
-    {
-        _symbols.push(lua_getglobal as _);
-        _symbols.push(lua_setglobal as _);
-        _symbols.push(luaL_setfuncs as _);
-    }
-}
+#[macro_use]
+mod macros;
 
-#[cfg(feature = "lua54")]
+#[cfg(any(feature = "lua54", doc))]
+#[cfg_attr(docsrs, doc(cfg(feature = "lua54")))]
 pub mod lua54;
 
-#[cfg(feature = "lua53")]
+#[cfg(any(feature = "lua53", doc))]
+#[cfg_attr(docsrs, doc(cfg(feature = "lua53")))]
 pub mod lua53;
 
-#[cfg(feature = "lua52")]
+#[cfg(any(feature = "lua52", doc))]
+#[cfg_attr(docsrs, doc(cfg(feature = "lua52")))]
 pub mod lua52;
 
-#[cfg(any(feature = "lua51", feature = "luajit"))]
+#[cfg(any(feature = "lua51", feature = "luajit", doc))]
+#[cfg_attr(docsrs, doc(cfg(any(feature = "lua51", feature = "luajit"))))]
 pub mod lua51;
 
-#[cfg(feature = "luau")]
+#[cfg(any(feature = "luau", doc))]
+#[cfg_attr(docsrs, doc(cfg(feature = "luau")))]
 pub mod luau;
diff --git a/src/ffi/lua51/compat.rs b/mlua-sys/src/lua51/compat.rs
similarity index 100%
rename from src/ffi/lua51/compat.rs
rename to mlua-sys/src/lua51/compat.rs
diff --git a/src/ffi/lua51/lauxlib.rs b/mlua-sys/src/lua51/lauxlib.rs
similarity index 100%
rename from src/ffi/lua51/lauxlib.rs
rename to mlua-sys/src/lua51/lauxlib.rs
diff --git a/src/ffi/lua51/lua.rs b/mlua-sys/src/lua51/lua.rs
similarity index 100%
rename from src/ffi/lua51/lua.rs
rename to mlua-sys/src/lua51/lua.rs
diff --git a/src/ffi/lua51/lualib.rs b/mlua-sys/src/lua51/lualib.rs
similarity index 100%
rename from src/ffi/lua51/lualib.rs
rename to mlua-sys/src/lua51/lualib.rs
diff --git a/src/ffi/lua51/mod.rs b/mlua-sys/src/lua51/mod.rs
similarity index 100%
rename from src/ffi/lua51/mod.rs
rename to mlua-sys/src/lua51/mod.rs
diff --git a/src/ffi/lua52/compat.rs b/mlua-sys/src/lua52/compat.rs
similarity index 100%
rename from src/ffi/lua52/compat.rs
rename to mlua-sys/src/lua52/compat.rs
diff --git a/src/ffi/lua52/lauxlib.rs b/mlua-sys/src/lua52/lauxlib.rs
similarity index 100%
rename from src/ffi/lua52/lauxlib.rs
rename to mlua-sys/src/lua52/lauxlib.rs
diff --git a/src/ffi/lua52/lua.rs b/mlua-sys/src/lua52/lua.rs
similarity index 100%
rename from src/ffi/lua52/lua.rs
rename to mlua-sys/src/lua52/lua.rs
diff --git a/src/ffi/lua52/lualib.rs b/mlua-sys/src/lua52/lualib.rs
similarity index 100%
rename from src/ffi/lua52/lualib.rs
rename to mlua-sys/src/lua52/lualib.rs
diff --git a/src/ffi/lua52/mod.rs b/mlua-sys/src/lua52/mod.rs
similarity index 100%
rename from src/ffi/lua52/mod.rs
rename to mlua-sys/src/lua52/mod.rs
diff --git a/src/ffi/lua53/compat.rs b/mlua-sys/src/lua53/compat.rs
similarity index 89%
rename from src/ffi/lua53/compat.rs
rename to mlua-sys/src/lua53/compat.rs
index 7150b71..71d8b5e 100644
--- a/src/ffi/lua53/compat.rs
+++ b/mlua-sys/src/lua53/compat.rs
@@ -1,4 +1,4 @@
-//! MLua compatibility layer for Lua 5.2
+//! MLua compatibility layer for Lua 5.3
 
 use std::os::raw::c_int;
 
diff --git a/src/ffi/lua53/lauxlib.rs b/mlua-sys/src/lua53/lauxlib.rs
similarity index 100%
rename from src/ffi/lua53/lauxlib.rs
rename to mlua-sys/src/lua53/lauxlib.rs
diff --git a/src/ffi/lua53/lua.rs b/mlua-sys/src/lua53/lua.rs
similarity index 100%
rename from src/ffi/lua53/lua.rs
rename to mlua-sys/src/lua53/lua.rs
diff --git a/src/ffi/lua53/lualib.rs b/mlua-sys/src/lua53/lualib.rs
similarity index 100%
rename from src/ffi/lua53/lualib.rs
rename to mlua-sys/src/lua53/lualib.rs
diff --git a/src/ffi/lua53/mod.rs b/mlua-sys/src/lua53/mod.rs
similarity index 100%
rename from src/ffi/lua53/mod.rs
rename to mlua-sys/src/lua53/mod.rs
diff --git a/src/ffi/lua54/lauxlib.rs b/mlua-sys/src/lua54/lauxlib.rs
similarity index 100%
rename from src/ffi/lua54/lauxlib.rs
rename to mlua-sys/src/lua54/lauxlib.rs
diff --git a/src/ffi/lua54/lua.rs b/mlua-sys/src/lua54/lua.rs
similarity index 100%
rename from src/ffi/lua54/lua.rs
rename to mlua-sys/src/lua54/lua.rs
diff --git a/src/ffi/lua54/lualib.rs b/mlua-sys/src/lua54/lualib.rs
similarity index 100%
rename from src/ffi/lua54/lualib.rs
rename to mlua-sys/src/lua54/lualib.rs
diff --git a/src/ffi/lua54/mod.rs b/mlua-sys/src/lua54/mod.rs
similarity index 100%
rename from src/ffi/lua54/mod.rs
rename to mlua-sys/src/lua54/mod.rs
diff --git a/src/ffi/luau/compat.rs b/mlua-sys/src/luau/compat.rs
similarity index 100%
rename from src/ffi/luau/compat.rs
rename to mlua-sys/src/luau/compat.rs
diff --git a/src/ffi/luau/lauxlib.rs b/mlua-sys/src/luau/lauxlib.rs
similarity index 100%
rename from src/ffi/luau/lauxlib.rs
rename to mlua-sys/src/luau/lauxlib.rs
diff --git a/src/ffi/luau/lua.rs b/mlua-sys/src/luau/lua.rs
similarity index 100%
rename from src/ffi/luau/lua.rs
rename to mlua-sys/src/luau/lua.rs
diff --git a/src/ffi/luau/luacode.rs b/mlua-sys/src/luau/luacode.rs
similarity index 100%
rename from src/ffi/luau/luacode.rs
rename to mlua-sys/src/luau/luacode.rs
diff --git a/src/ffi/luau/lualib.rs b/mlua-sys/src/luau/lualib.rs
similarity index 100%
rename from src/ffi/luau/lualib.rs
rename to mlua-sys/src/luau/lualib.rs
diff --git a/src/ffi/luau/mod.rs b/mlua-sys/src/luau/mod.rs
similarity index 100%
rename from src/ffi/luau/mod.rs
rename to mlua-sys/src/luau/mod.rs
diff --git a/mlua-sys/src/macros.rs b/mlua-sys/src/macros.rs
new file mode 100644
index 0000000..df79a79
--- /dev/null
+++ b/mlua-sys/src/macros.rs
@@ -0,0 +1,7 @@
+#[allow(unused_macros)]
+macro_rules! cstr {
+    ($s:expr) => {
+        concat!($s, "\0") as *const str as *const [::std::os::raw::c_char]
+            as *const ::std::os::raw::c_char
+    };
+}
diff --git a/src/lib.rs b/src/lib.rs
index 3bffb03..79220ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -84,7 +84,6 @@ mod macros;
 mod chunk;
 mod conversion;
 mod error;
-mod ffi;
 mod function;
 mod hook;
 mod lua;
@@ -106,7 +105,8 @@ mod value;
 
 pub mod prelude;
 
-pub use crate::{ffi::lua_CFunction, ffi::lua_State};
+pub(crate) use ffi;
+pub use ffi::{lua_CFunction, lua_State};
 
 pub use crate::chunk::{AsChunk, Chunk, ChunkMode};
 pub use crate::error::{Error, ErrorContext, ExternalError, ExternalResult, Result};
diff --git a/src/lua.rs b/src/lua.rs
index de92c2e..f5f177d 100644
--- a/src/lua.rs
+++ b/src/lua.rs
@@ -359,7 +359,24 @@ impl Lua {
     /// [`StdLib`]: crate::StdLib
     pub unsafe fn unsafe_new_with(libs: StdLib, options: LuaOptions) -> Lua {
         #[cfg(not(feature = "luau"))]
-        ffi::keep_lua_symbols();
+        {
+            // Workaround to avoid stripping a few unused Lua symbols that could be imported
+            // by C modules in unsafe mode
+            let mut _symbols: Vec<*const extern "C" fn()> = vec![
+                ffi::lua_atpanic as _,
+                ffi::lua_isuserdata as _,
+                ffi::lua_tocfunction as _,
+                ffi::luaL_loadstring as _,
+                ffi::luaL_openlibs as _,
+            ];
+            #[cfg(any(feature = "lua54", feature = "lua53", feature = "lua52"))]
+            {
+                _symbols.push(ffi::lua_getglobal as _);
+                _symbols.push(ffi::lua_setglobal as _);
+                _symbols.push(ffi::luaL_setfuncs as _);
+            }
+        }
+
         Self::inner_new(libs, options)
     }