| /* |
| * 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") |
| ), |
| ) |
| .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); |
| } |