tabby/crates/ctranslate2-bindings/build.rs

75 lines
2.3 KiB
Rust

use std::{env, path::PathBuf};
use cmake::Config;
use rust_cxx_cmake_bridge::read_cmake_generated;
fn main() {
// Tell cargo to invalidate the built crate whenever the wrapper changes
println!("cargo:rerun-if-changed=include/ctranslate2.h");
println!("cargo:rerun-if-changed=src/ctranslate2.cc");
println!("cargo:rerun-if-changed=src/lib.rs");
let mut lib = cxx_build::bridge("src/lib.rs");
lib.file("src/ctranslate2.cc")
.flag_if_supported("-std=c++17");
if cfg!(feature = "link_shared") {
let dir = env::var("CTRANSLATE2_ROOT").unwrap();
println!("cargo:rustc-link-search=native={}/lib", dir);
println!("cargo:rustc-link-lib=ctranslate2");
lib.flag_if_supported(&format!("-I{}/include", dir));
} else {
let dst = link_static();
lib.flag_if_supported(&format!("-I{}", dst.join("include").display()));
}
lib.compile("cxxbridge");
}
fn link_static() -> PathBuf {
let mut config = Config::new(".");
config
.define("CMAKE_BUILD_TYPE", "Release")
.define("BUILD_CLI", "OFF")
.define("CMAKE_INSTALL_RPATH_USE_LINK_PATH", "ON")
.define("BUILD_SHARED_LIBS", "OFF");
if cfg!(target_os = "linux") {
config
.define("WITH_MKL", "OFF")
.define("OPENMP_RUNTIME", "NONE");
if cfg!(target_feature = "sse4.1") {
config.cxxflag("-msse4.1");
}
if cfg!(feature = "link_static_cuda") {
config.define("WITH_CUDA", "ON").define("WITH_CUDNN", "ON");
if cfg!(target_arch = "aarch64") {
config.cxxflag("-mcpu=native");
}
} else {
config.define("WITH_OPENBLAS", "ON");
}
} else if cfg!(target_os = "macos") {
config
.define("CMAKE_OSX_ARCHITECTURES", "arm64")
.define("WITH_ACCELERATE", "ON")
.define("WITH_MKL", "OFF")
.define("OPENMP_RUNTIME", "NONE")
.define("WITH_RUY", "ON");
} else {
panic!("Invalid target")
};
let dst = config.build();
// Read static lib from generated deps.
let cmake_generated_libs_str =
std::fs::read_to_string(format!("/{}/build/cmake_generated_libs", dst.display())).unwrap();
read_cmake_generated(&cmake_generated_libs_str);
dst
}