/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ use std::process::Command; macro_rules! mf_dir { ($p:literal) => { concat!(env!("CARGO_MANIFEST_DIR"), $p) }; } fn main() { let out_dir = std::env::var("OUT_DIR").unwrap(); let build_output = Command::new(mf_dir!("/src/build_model.py")) .arg(&out_dir) .env( "PYTHONPATH", concat!( mf_dir!("/../../python"), ":", mf_dir!("/../../nnvm/python"), ":", mf_dir!("/../../topi/python") ), ) .output() .expect("Failed to build model"); assert!( ["model.o", "graph.json", "params.bin"] .iter() .all(|f| { std::path::Path::new(&format!("{}/{}", out_dir, f)).exists() }), "Could not build tvm lib: STDOUT:\n\n{}\n\nSTDERR\n\n{}", String::from_utf8(build_output.stdout).unwrap().trim(), String::from_utf8(build_output.stderr).unwrap().trim() ); let sysroot_output = Command::new("rustc") .args(&["--print", "sysroot"]) .output() .expect("Failed to get sysroot"); let sysroot = String::from_utf8(sysroot_output.stdout).unwrap(); let sysroot = sysroot.trim(); let mut llvm_tools_path = std::path::PathBuf::from(&sysroot); llvm_tools_path.push("lib/rustlib/x86_64-unknown-linux-gnu/bin"); Command::new("rustup") .args(&["component", "add", "llvm-tools-preview"]) .output() .expect("failed to install llvm tools"); std::process::Command::new(llvm_tools_path.join("llvm-objcopy")) .arg("--globalize-symbol=__tvm_module_startup") .arg("--remove-section=.ctors") .arg(&format!("{}/model.o", out_dir)) .output() .expect("gould not gloablize startup function"); std::process::Command::new(llvm_tools_path.join("llvm-ar")) .arg("rcs") .arg(&format!("{}/libmodel.a", out_dir)) .arg(&format!("{}/model.o", out_dir)) .output() .expect("failed to package model archive"); println!("cargo:rustc-link-lib=static=model"); println!("cargo:rustc-link-search=native={}", out_dir); }