The gen procedure are lowring down

sync it

README.md

@@ -35,5 +35,12 @@ The motivation for this project is:
 ## Developing
 ```
 cargo install --force cargo-make
-cargo make
-```
\ No newline at end of file
+```
+Build debug version
+```
+cargo make build
+```
+Build release version
+```
+cargo make build --profile production
+```

build.rs

-extern crate cbindgen;
-extern crate cc;
+use cc;
 
-use std::{env, fs, fs::DirEntry, path::Path};
-
-// include src/header directories that don't start with '_'
-fn include_dir(d: &DirEntry) -> bool {
-    d.metadata().map(|m| m.is_dir()).unwrap_or(false)
-        && d.path()
-            .iter()
-            .nth(2)
-            .map_or(false, |c| c.to_str().map_or(false, |x| !x.starts_with("_")))
-}
-
-fn generate_bindings(cbindgen_config_path: &Path) {
-    let relative_path = cbindgen_config_path
-        .strip_prefix("src/header")
-        .ok()
-        .and_then(|p| p.parent())
-        .and_then(|p| p.to_str())
-        .unwrap()
-        .replace("_", "/");
-    let header_path = Path::new("target/include")
-        .join(&relative_path)
-        .with_extension("h");
-    let mod_path = cbindgen_config_path.with_file_name("mod.rs");
-    let config = cbindgen::Config::from_file(cbindgen_config_path).unwrap();
-    cbindgen::Builder::new()
-        .with_config(config)
-        .with_src(mod_path)
-        .generate()
-        .expect("Unable to generate bindings")
-        .write_to_file(header_path);
-}
+use std::{env, fs};
 
 fn main() {
     let crate_dir = env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR not set");
-
-    // Generate C includes
-    // - based on contents of src/header/**
-    // - headers written to target/include
-    fs::read_dir(&Path::new("src/header"))
-        .unwrap()
-        .into_iter()
-        .filter_map(Result::ok)
-        .filter(|d| include_dir(d))
-        .map(|d| d.path().as_path().join("cbindgen.toml"))
-        .filter(|p| p.exists())
-        .for_each(|p| {
-            println!("cargo:rerun-if-changed={:?}", p.parent().unwrap());
-            println!("cargo:rerun-if-changed={:?}", p);
-            println!("cargo:rerun-if-changed={:?}", p.with_file_name("mod.rs"));
-            generate_bindings(&p);
-        });
-
     let mut build = cc::Build::new();
     let compiler = build.get_compiler();
     if compiler.is_like_msvc() {

checkout-modules.sh

+git submodule update --init
+cd deps/rust
+git submodule update --progress --init -- "library/backtrace"
+git submodule update --progress --init -- "library/stdarch"
+echo done

restore-modules.sh

+#!/bin/sh
+
+set -e
+
+git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
+    while read path_key path
+    do
+        url_key=$(echo $path_key | sed 's/\.path/.url/')
+        url=$(git config -f .gitmodules --get "$url_key")
+        git submodule add $url $path || true
+    done