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use std::env;
use std::path::PathBuf;
fn main() {
println!("cargo:rustc-link-lib=pci");
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=wrapper.h");
// Compile static helper library
compile_helper_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::new()))
.size_t_is_usize(true)
.use_core()
.allowlist_function("pci_.*")
.allowlist_var("PCI_.*")
.allowlist_var("pci_.*")
.allowlist_type("pci_.*")
.blocklist_type("timespec")
//.blocklist_type("stat")
//.default_macro_constant_type(bindgen::EnumVariation::Rust)
//.default_enum_style(bindgen::EnumVariation::Rust {
// non_exhaustive: false,
//})
.default_macro_constant_type(bindgen::MacroTypeVariation::Signed);
// Finish the builder and generate the bindings.
let bindings = 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!");
}
fn compile_helper_lib() {
cc::Build::new()
// Add file
.file("wrapper.c")
// Some extra parameters
.flag_if_supported("-ffunction-sections")
.flag_if_supported("-fdata-sections")
.flag_if_supported("-fmerge-all-constants")
// Compile!
.compile("libpci_utils.a");
}