homework-jianmu/tests/examples/rust/build.rs

// build.rs

use std::env;

fn main() {
    let project_dir = env::var("CARGO_MANIFEST_DIR").unwrap();

    println!("cargo:rustc-link-search={}", project_dir); // the "-L" flag
    println!("cargo:rustc-link-lib=taos"); // the "-l" flag
}