1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
extern crate bindgen;
extern crate cc;
use std::env;
use std::path::PathBuf;
fn main() {
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=wrapper.h");
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
let lib_dir = out_path.join("library");
// Compile tsf_src.h into a library at ${OUT_DIR}/library/libtsf.a
cc::Build::new()
.include("tsf_src")
.pic(true)
.file("tsf_src/tsf.c")
.out_dir(&lib_dir)
.compile("libtsf.a");
// Link the compiled library
println!("cargo:rustc-link-search=native={}", lib_dir.display());
println!("cargo:rustc-link-lib=static=tsf", );
// Generate the bindings
let bindings = bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
.header("wrapper.h")
.detect_include_paths(true)
// Tell cargo to invalidate the built crate whenever any of the
// included header files changed.
.parse_callbacks(Box::new(bindgen::CargoCallbacks))
// Finish the builder and generate the bindings.
.generate()
// Unwrap the Result and panic on failure.
.expect("Unable to generate bindings");
// Write to our out dir
bindings.write_to_file(out_path.join("bindings.rs")).expect("Couldn't write bindings");
}