46 lines
1.7 KiB
Rust
46 lines
1.7 KiB
Rust
use std::env;
|
|
use std::path::PathBuf;
|
|
|
|
fn main() {
|
|
// Trying to find python3
|
|
let lib = pkg_config::probe_library("python3").expect("Python3 is not available for linking");
|
|
|
|
// The bindgen::Builder is the main entry point
|
|
// to bindgen, and lets you build up options for
|
|
// the resulting bindings.
|
|
let mut bindings_builder = bindgen::Builder::default()
|
|
// The input header we would like to generate
|
|
// bindings for.
|
|
.header("csrc/wrapper.h")
|
|
// Tell cargo to invalidate the built crate whenever any of the
|
|
// included header files changed.
|
|
.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
|
|
.blocklist_var("FP_INT_UPWARD")
|
|
.blocklist_var("FP_NORMAL")
|
|
.blocklist_var("FP_SUBNORMAL")
|
|
.blocklist_var("FP_INFINITE")
|
|
.blocklist_var("FP_INT_TONEAREST")
|
|
.blocklist_var("FP_INT_TONEARESTFROMZERO")
|
|
.blocklist_var("FP_INT_TOWARDZERO")
|
|
.blocklist_var("FP_NAN")
|
|
.blocklist_var("FP_ZERO")
|
|
.blocklist_var("FP_INT_DOWNWARD");
|
|
// Finish the builder and generate the bindings.
|
|
for path in lib.include_paths {
|
|
let Some(lib_path) = path.as_path().to_str() else {
|
|
continue;
|
|
};
|
|
bindings_builder = bindings_builder.clang_arg(format!("-I{}", lib_path));
|
|
}
|
|
let bindings = bindings_builder
|
|
.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!");
|
|
}
|