rework build system

.gitignore

@@ -1,2 +1 @@
-target
-Cargo.lock
+bindings.rlib

Cargo.toml

@@ -1,11 +0,0 @@
-[package]
-name = "limine-sys"
-description = "Rust sys bindings for the Limine boot protocol"
-version = "0.2.0"
-authors = ["mintsuki <mintsuki@protonmail.com>"]
-license = "BSD-2-Clause"
-repository = "https://github.com/limine-bootloader/limine-rs-sys"
-build = "build.rs"
-
-[build-dependencies]
-bindgen = "0.69.4"

Makefile

@@ -0,0 +1,15 @@
+# Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
+# SPDX-License-Identifier: FSFAP
+#
+# Copying and distribution of this file, with or without modification, are
+# permitted in any medium without royalty provided the copyright notice and this
+# notice are preserved.  This file is offered as-is, without any warranty.
+
+.POSIX:
+
+bindings.rlib: limine.h limine.rs
+	bindgen --use-core limine.h | cat limine.rs - | rustc --crate-type=lib - -o $@
+
+.PHONY: clean
+clean:
+	rm -f bindings.rlib

build.rs

@@ -1,17 +0,0 @@
-extern crate bindgen;
-
-use std::env;
-use std::path::PathBuf;
-
-fn main() {
-    let bindings = bindgen::Builder::default()
-        .header("limine.h")
-        .use_core()
-        .generate()
-        .expect("Unable to generate bindings");
-
-    let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
-    bindings
-        .write_to_file(out_path.join("bindings.rs"))
-        .expect("Couldn't write bindings!");
-}

limine.rs

@@ -3,4 +3,3 @@
 #![allow(non_camel_case_types)]
 #![allow(non_snake_case)]
 
-include!(concat!(env!("OUT_DIR"), "/bindings.rs"));