58 lines
2.2 KiB
Rust
58 lines
2.2 KiB
Rust
use std::{env, path::PathBuf};
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// Supported versions of FSV
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static SUPPORTED_FSV_VERSIONS: [&str; 2] = ["1.40.14", "1.40.13"];
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fn build_bindings(version: &str, target_code: &str) -> PathBuf {
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let target = env::var("TARGET").expect("TARGET not set");
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let wrapper_path = format!("bindgen-wrappers/{}/wrapper.{}.h", version, target_code);
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let bindings = bindgen::Builder::default()
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// The input header we would like to generate
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// bindings for.
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.header(wrapper_path)
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// To generate the bindings for specific target
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.clang_arg(format!("--target={}", target))
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// Limit the bindings generation to the SSV_ prefix
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.allowlist_item("SSV_.*")
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// Tell cargo to invalidate the built crate whenever any of the
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// included header files changed.
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.parse_callbacks(Box::new(bindgen::CargoCallbacks::new()))
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// Finish the builder and generate the bindings.
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.generate()
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// Unwrap the Result and panic on failure.
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.expect("Unable to generate bindings");
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// Write the bindings to the $OUT_DIR/bindings.rs file.
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let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
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let out_file = format!("bindings_{}.rs", version);
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let out_path = out_dir.join(out_file);
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bindings
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.write_to_file(&out_path)
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.expect("Couldn't write bindings! ");
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out_path
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}
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fn get_target_code() -> String {
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// Use CARGO configuration env Variable, because !cfg(target_os) is not available in build.rs
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// Source: https://kazlauskas.me/entries/writing-proper-buildrs-scripts
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let target_os = env::var("CARGO_CFG_TARGET_OS");
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match target_os.as_ref().map(|x| &**x) {
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Ok("linux") => "linux", // lib_name = "ssvlux64";
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Ok("windows") => "win", // lib_name = "Ssvw64";
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Ok("macos") => "macosx", // lib_name = "ssvosx";
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tos => panic!("Unsupported target_os {:?}", tos),
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}
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.to_string()
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}
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fn main() {
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let target_code = get_target_code();
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// Build the bindings for each supported version of FSV
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let bindings_paths: Vec<PathBuf> = SUPPORTED_FSV_VERSIONS
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.iter()
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.map(|version| build_bindings(version, &target_code))
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.collect();
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println!("FSV bindings generated: {:#?}", bindings_paths);
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}
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