dtmt/build.rs

90 lines
2.7 KiB
Rust

use fs_extra::dir;
use fs_extra::dir::CopyOptions;
use std::env;
use std::path::PathBuf;
use std::process::{Command, Stdio};
const LIB_NAME: &str = "luajit";
const LUAJIT_HEADERS: [&str; 4] = ["lua.h", "lualib.h", "lauxlib.h", "luajit.h"];
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);
let mut copy_options = CopyOptions::new();
copy_options.overwrite = true;
dir::copy(&luajit_dir, &out_dir, &copy_options).expect("Failed to copy LuaJIT source");
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);
let mut bindings = bindgen::Builder::default();
for header in LUAJIT_HEADERS {
println!("cargo:rerun-if-changed={}/src/{}", luajit_dir, header);
bindings = bindings.header(format!("{}/src/{}", luajit_dir, header));
}
let bindings = bindings
.allowlist_var("LUA.*")
.allowlist_var("LUAJIT.*")
.allowlist_type("lua_.*")
.allowlist_type("luaL_.*")
.allowlist_function("lua_.*")
.allowlist_function("luaL_.*")
.allowlist_function("luaJIT.*")
.ctypes_prefix("libc")
.impl_debug(true)
.use_core()
.clang_arg("-Iluajit/src")
// Make it pretty
.rustfmt_bindings(true)
.sort_semantically(true)
.merge_extern_blocks(true)
.parse_callbacks(Box::new(bindgen::CargoCallbacks))
.generate()
.expect("Failed to generate bindings");
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Failed to write bindings");
}