spirv-to-dxil-rs/spirv-to-dxil-sys/build.rs

69 lines
2.5 KiB
Rust

use cmake::Config;
use std::{env, fs::File, path::{Path, PathBuf}};
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
if env::var("DOCS_RS").is_ok() {
println!("cargo:warning=Skipping spirv-to-dxil native build for docs.rs.");
File::create(out_dir.join("bindings.rs")).unwrap();
return;
}
let cmake_dst = Config::new("native")
.build_target("mesa")
.build();
let object_dst = cmake_dst.join("build/mesa/lib");
let header_dst = cmake_dst.join("build/mesa/src/mesa/src/microsoft/spirv_to_dxil");
let header_compiler_dst = cmake_dst.join("build/mesa/src/mesa/src/microsoft/compiler");
println!("cargo:rustc-link-search=native={}", object_dst.display());
println!("cargo:rustc-link-lib=static=spirv_to_dxil");
if cfg!(target_os = "windows") {
println!("cargo:rustc-link-lib=Version");
// only Windows needs to link vulkan_util.lib
println!("cargo:rustc-link-lib=static=vulkan_util");
}
if cfg!(target_os = "linux") {
let debian_arch = match env::var("CARGO_CFG_TARGET_ARCH").unwrap() {
arch if arch == "x86" => "i386".to_owned(),
arch => arch,
};
let debian_triple_path = format!("/usr/lib/{}-linux-gnu/", debian_arch);
let search_dir = if Path::new(&debian_triple_path).exists() {
// Debian, Ubuntu and their derivatives.
debian_triple_path
} else if env::var("CARGO_CFG_TARGET_ARCH").unwrap() == "x86_64"
&& Path::new("/usr/lib64/").exists()
{
// Other distributions running on x86_64 usually use this path.
"/usr/lib64/".to_string()
} else {
// Other distributions, not x86_64.
"/usr/lib/".to_string()
};
println!("cargo:rustc-link-search=native={}", search_dir);
println!("cargo:rustc-link-lib=dylib=stdc++");
}
let bindings = bindgen::Builder::default()
.header("native/wrapper.h")
.clang_arg(format!("-F{}", header_dst.display()))
.clang_arg(format!("-F{}", header_compiler_dst.display()))
.clang_arg(format!("-I{}", header_dst.display()))
.clang_arg(format!("-I{}", header_compiler_dst.display()))
.parse_callbacks(Box::new(bindgen::CargoCallbacks))
.generate()
.expect("Unable to generate bindings");
bindings
.write_to_file(out_dir.join("bindings.rs"))
.expect("Couldn't write bindings!");
}