diff --git a/build.rs b/build.rs
index 08e2bbe..28fe052 100644
--- a/build.rs
+++ b/build.rs
@@ -3,103 +3,54 @@ use fs_extra::dir::CopyOptions;
 use std::env;
 use std::process::{Command, Stdio};
 
+const LIB_NAME: &str = "luajit";
+
 fn main() {
     let luajit_dir = format!("{}/luajit", env!("CARGO_MANIFEST_DIR"));
     let out_dir = env::var("OUT_DIR").unwrap();
     let src_dir = format!("{}/luajit/src", out_dir);
+    let lib_path = format!("{}/lib{}.a", &src_dir, LIB_NAME);
 
     dbg!(&luajit_dir);
     dbg!(&out_dir);
     dbg!(&src_dir);
+    dbg!(&lib_path);
 
-    // DEP_LUAJIT_INCLUDE
-    // DEB_LUAJIT_LIB_NAME
+    let mut copy_options = CopyOptions::new();
+    copy_options.overwrite = true;
 
-    let lib_name = build_luajit(&luajit_dir, &out_dir, &src_dir);
+    dir::copy(&luajit_dir, &out_dir, &copy_options).expect("Failed to copy LuaJIT source");
 
-    println!("cargo:lib-name={}", lib_name);
+    let mut buildcmd = Command::new("make");
+    buildcmd.current_dir(&src_dir);
+    buildcmd.stderr(Stdio::inherit());
+    buildcmd.arg("BUILDMODE=static");
+
+    if env::var("CARGO_CFG_WINDOWS").is_ok() {
+        buildcmd.arg("TARGET_SYS=Windows");
+        buildcmd.arg("CROSS=x86_64-w64-mingw32-");
+    }
+
+    if cfg!(target_pointer_width = "32") {
+        buildcmd.env("HOST_CC", "gcc -m32");
+        buildcmd.arg("-e");
+    } else {
+        buildcmd.env("HOST_CC", "gcc");
+    }
+
+    let mut child = buildcmd.spawn().expect("failed to run make");
+
+    if !child
+        .wait()
+        .map(|status| status.success())
+        .map_err(|_| false)
+        .unwrap_or(false)
+    {
+        panic!("Failed to build luajit");
+    }
+
+    println!("cargo:lib-name={}", LIB_NAME);
     println!("cargo:include={}", src_dir);
     println!("cargo:rustc-link-search=native={}", src_dir);
-    println!("cargo:rustc-link-lib=static={}", lib_name);
-
-    // if cfg!(target_os = "macos") && cfg!(target_pointer_width = "64") {
-    //     // RUSTFLAGS='-C link-args=-pagezero_size 10000 -image_base 100000000'
-    // }
-}
-
-#[cfg(target_env = "msvc")]
-fn build_luajit(luajit_dir: &str, out_dir: &str, src_dir: &str) -> &'static str {
-    const LIB_NAME: &'static str = "lua51";
-    let lib_path = format!("{}/{}.lib", &src_dir, LIB_NAME);
-    dbg!(&lib_path);
-    if !std::fs::metadata(&lib_path).is_ok() {
-        let target = env::var("TARGET").unwrap();
-        let cl_exe: cc::Tool =
-            cc::windows_registry::find_tool(&target, "cl.exe").expect("cl.exe not found");
-        let msvcbuild_bat = format!("{}/msvcbuild.bat", &src_dir);
-        dbg!(&msvcbuild_bat);
-
-        let mut copy_options = CopyOptions::new();
-        copy_options.overwrite = true;
-        dir::copy(&luajit_dir, &out_dir, &copy_options)
-            .expect("failed to copy luajit source to out dir");
-
-        let mut buildcmd = Command::new(msvcbuild_bat);
-        for (name, value) in cl_exe.env() {
-            eprintln!("{:?} = {:?}", name, value);
-            buildcmd.env(name, value);
-        }
-
-        buildcmd.env("Configuration", "Release");
-        buildcmd.args(&["static"]);
-        buildcmd.current_dir(&src_dir);
-        buildcmd.stderr(Stdio::inherit());
-
-        let mut child = buildcmd.spawn().expect("failed to run msvcbuild.bat");
-
-        if !child
-            .wait()
-            .map(|status| status.success())
-            .map_err(|_| false)
-            .unwrap_or(false)
-        {
-            panic!("Failed to build luajit");
-        }
-    }
-
-    LIB_NAME
-}
-
-#[cfg(not(target_env = "msvc"))]
-fn build_luajit(luajit_dir: &str, out_dir: &str, src_dir: &str) -> &'static str {
-    const LIB_NAME: &'static str = "luajit";
-    let lib_path = format!("{}/lib{}.a", &src_dir, LIB_NAME);
-    dbg!(&lib_path);
-    if !std::fs::metadata(&lib_path).is_ok() {
-        let mut copy_options = CopyOptions::new();
-        copy_options.overwrite = true;
-        dir::copy(&luajit_dir, &out_dir, &copy_options).unwrap();
-        std::fs::copy(format!("etc/Makefile"), format!("{}/Makefile", &src_dir)).unwrap();
-
-        let mut buildcmd = Command::new("make");
-        buildcmd.current_dir(&src_dir);
-        buildcmd.stderr(Stdio::inherit());
-
-        if cfg!(target_pointer_width = "32") {
-            buildcmd.env("HOST_CC", "gcc -m32");
-            buildcmd.arg("-e");
-        }
-
-        let mut child = buildcmd.spawn().expect("failed to run make");
-
-        if !child
-            .wait()
-            .map(|status| status.success())
-            .map_err(|_| false)
-            .unwrap_or(false)
-        {
-            panic!("Failed to build luajit");
-        }
-    }
-    LIB_NAME
+    println!("cargo:rustc-link-lib=static={}", LIB_NAME);
 }