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
// Copyright 2021 Oxide Computer Company
use bindgen;
use std::env;
use std::path::PathBuf;
fn main() {
#[cfg(not(target_os = "illumos"))]
compile_error!("libscf-sys is only supported on illumos");
// Tell cargo to tell rustc to link the system scf shared library.
println!("cargo:rustc-link-lib=scf");
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=wrapper.h");
if let Err(_) = env::var("LIBCLANG_PATH") {
// TODO: Would love to have a way to not hardcode this.
env::set_var("LIBCLANG_PATH", "/opt/ooce/clang-11.0/lib");
}
// The bindgen::Builder is the main entry point
// to bindgen, and lets you build up options for
// the resulting bindings.
let bindings = bindgen::Builder::default()
// The input header we would like to generate
// bindings for.
.header("wrapper.h")
// 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 the bindings to the $OUT_DIR/bindings.rs file.
let out_path = PathBuf::from(env::var("OUT_DIR").unwrap());
bindings
.write_to_file(out_path.join("bindings.rs"))
.expect("Couldn't write bindings!");
}