hf_text-generation-inference/backends/trtllm/build.rs

64 lines
2.1 KiB
Rust

use std::env;
use std::path::PathBuf;
use cxx_build::CFG;
const ADDITIONAL_BACKEND_LINK_LIBRARIES: [&str; 2] = ["spdlog", "fmt"];
fn main() {
let out_dir = PathBuf::from(env::var("OUT_DIR").unwrap());
let build_profile = env::var("PROFILE").unwrap();
// Build the backend implementation through CMake
let backend_path = cmake::Config::new(".")
.uses_cxx11()
.generator("Ninja")
.profile(match build_profile.as_ref() {
"release" => "Release",
_ => "Debug",
})
.build_target("tgi_trtllm_backend_impl")
.build();
// Build the FFI layer calling the backend above
CFG.include_prefix = "backends/trtllm";
cxx_build::bridge("src/lib.rs")
.static_flag(true)
.file("src/ffi.cpp")
.std("c++20")
.compile("tgi_trtllm_backend");
println!("cargo:rerun-if-changed=CMakeLists.txt");
println!("cargo:rerun-if-changed=include/backend.h");
println!("cargo:rerun-if-changed=lib/backend.cpp");
println!("cargo:rerun-if-changed=src/ffi.cpp");
// Additional transitive CMake dependencies
for dependency in ADDITIONAL_BACKEND_LINK_LIBRARIES {
let dep_folder = out_dir
.join("build")
.join("_deps")
.join(format!("{}-build", dependency));
let dep_name = match build_profile.as_ref() {
"debug" => format!("{}d", dependency),
_ => String::from(dependency),
};
println!("cargo:warning={}", dep_folder.display());
println!("cargo:rustc-link-search=native={}", dep_folder.display());
println!("cargo:rustc-link-lib=static={}", dep_name);
}
// Emit linkage information
// - tgi_trtllm_backend (i.e. FFI layer - src/ffi.cpp)
println!(r"cargo:rustc-link-search=native={}", backend_path.display());
println!("cargo:rustc-link-lib=static=tgi_trtllm_backend");
// - tgi_trtllm_backend_impl (i.e. C++ code base to run inference include/backend.h)
println!(
r"cargo:rustc-link-search=native={}/build",
backend_path.display()
);
println!("cargo:rustc-link-lib=static=tgi_trtllm_backend_impl");
}