tempfile 2.1.2

Securely create temporary files.
Documentation 
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extern crate rustc_version;
use rustc_version::version_matches;

fn main() {
    println!("cargo:rerun-if-changed=build.rs");

    if version_matches(">= 1.8.0") {
        println!("cargo:rustc-cfg=lfs_support");
    }
}