usestd::env;externcrate cc;fnmain(){let out_dir =env::var("OUT_DIR").unwrap();cc::Build::new().file("lzlib-1.13/lzlib.c").out_dir(&out_dir).compile("liblz.a");println!("cargo:root={}", out_dir);// Tell cargo to tell rustc to link the system lzlib shared library.
println!("cargo:rustc-link-lib=lz");}