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build.rs
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build.rs
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use std::env;
#[cfg(feature = "generate_bindings")]
use std::{fs, path::Path};
fn main() {
let mut build = cc::Build::new();
build.include("src");
build.file("fast_obj/fast_obj.c");
let target = env::var("TARGET").unwrap();
if target.starts_with("wasm32") {
build.flag("-isystem").flag("include_wasm32");
let host = env::var("HOST").unwrap();
if host.contains("windows") {
build.archiver("llvm-ar");
}
}
build.compile("fast_obj_c");
generate_bindings("gen/bindings.rs");
}
#[cfg(feature = "generate_bindings")]
fn generate_bindings(output_file: &str) {
let bindings = bindgen::Builder::default()
.header("fast_obj/fast_obj.h")
.rustfmt_bindings(true)
.derive_debug(true)
.impl_debug(true)
.blocklist_type("__darwin_.*")
.allowlist_function("fast_obj.*")
.trust_clang_mangling(false)
.layout_tests(false)
.generate()
.expect("Failed to generate bindings");
fs::create_dir_all("gen").unwrap();
bindings.write_to_file(Path::new(output_file)).expect("Failed to save bindings to file");
}
#[cfg(not(feature = "generate_bindings"))]
fn generate_bindings(_: &str) {}