use std::env; fn main() { println!("cargo:rerun-if-changed=libtess2"); if cfg!(feature = "update-bindings") { println!("cargo:rerun-if-changed=generated"); } cc::Build::new() //.cpp(true) .opt_level(3) .include("libtess2/Include/") .files([ "libtess2/Source/bucketalloc.c", "libtess2/Source/dict.c", "libtess2/Source/geom.c", "libtess2/Source/mesh.c", "libtess2/Source/priorityq.c", "libtess2/Source/sweep.c", "libtess2/Source/tess.c", ]) .flag_if_supported("-std=c++14") .compile("libtess2"); let target_os = env::var("CARGO_CFG_TARGET_OS").unwrap(); let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap(); match (target_os.as_str(), target_env.as_str()) { ("linux", _) | ("windows", "gnu") | ("android", _) => println!("cargo:rustc-link-lib=dylib=stdc++"), ("macos", _) | ("ios", _) => println!("cargo:rustc-link-lib=dylib=c++"), ("windows", "msvc") => {} _ => unimplemented!( "target_os: {}, target_env: {}", target_os.as_str(), target_env.as_str() ), } #[cfg(feature = "generate-bindings")] { let bindings = bindgen::Builder::default() .header("libtess2/Include/tesselator.h") .allowlist_type("TessWindingRule") .allowlist_type("TessElementType") .allowlist_type("TessOption") .allowlist_type("TESSreal") .allowlist_type("TESSindex") .allowlist_type("TESStesselator") .allowlist_type("TESSalloc") .allowlist_function("tessNewTess") .allowlist_function("tessDeleteTess") .allowlist_function("tessAddContour") .allowlist_function("tessSetOption") .allowlist_function("tessTesselate") .allowlist_function("tessGetVertexCount") .allowlist_function("tessGetVertices") .allowlist_function("tessGetVertexIndices") .allowlist_function("tessGetElementCount") .allowlist_function("tessGetElements") .size_t_is_usize(true) .generate() .expect("unable to generate bindings"); let out_path = if cfg!(feature = "update-bindings") { std::path::PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("generated") } else { std::path::PathBuf::from(env::var("OUT_DIR").unwrap()) }; bindings .write_to_file(out_path.join("bindings.rs")) .expect("couldn't write bindings!"); } }