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extern crate bindgen;
use std::env;
use std::path::PathBuf;
fn main() {
let mut config = cmake::Config::new("./cobyla");
if env::var("CARGO_CFG_TARGET_ENV").unwrap() == "msvc" {
config.very_verbose(true).generator("NMake Makefiles");
}
config.build_target("cobyla");
let dst = config.build();
println!("cargo:rustc-link-search=native={}/build", dst.display());
println!("cargo:rustc-link-lib=static=cobyla");
// Tell cargo to tell rustc to link the system cobyla
// shared library.
println!("cargo:rustc-link-lib=cobyla");
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=wrapper.h");
// 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))
.allowlist_function("raw_cobyla")
// 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!");
}