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build.rs
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build.rs
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/*
* 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 anyhow::{Context, Result};
fn main() -> Result<()> {
let out_dir = std::env::var("OUT_DIR").unwrap();
let tvm_mk_add = concat!(env!("CARGO_MANIFEST_DIR"), "/src/tvm_add.py");
let output = std::process::Command::new(tvm_mk_add)
.args(&[
if cfg!(feature = "cpu") {
"llvm"
} else {
"cuda"
},
&std::env::var("OUT_DIR").unwrap(),
])
.output()
.with_context(|| anyhow::anyhow!(tvm_mk_add))?;
assert!(
std::path::Path::new(&format!("{}/test_add.so", out_dir)).exists(),
"Could not build tvm lib: {}",
String::from_utf8(output.stderr)
.context("utf-8 conversion failed")?
.trim()
.split("\n")
.last()
.unwrap_or("")
);
println!("cargo:rustc-link-search=native={}", out_dir);
Ok(())
}