notcurses/rust/libnotcurses-sys/build.rs
2020-05-17 09:23:56 -04:00

42 lines
1.4 KiB
Rust

extern crate bindgen;
use std::env;
use std::path::PathBuf;
// largely taken from https://rust-lang.github.io/rust-bindgen/tutorial-3.html
fn main() {
pkg_config::Config::new()
.atleast_version("1.4.2")
.probe("notcurses")
.unwrap();
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=wrapper.h");
cc::Build::new()
.file("stdout.c")
.compile("stdout");
// 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()
.clang_arg("-I../../include -D_XOPEN_SOURCE") // FIXME pass via envvar?
// 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!");
}