extern crate chrono;
extern crate rustc_version;
use std::env;
use std::fs::File;
use std::io::Write;
use std::path::PathBuf;
use chrono::NaiveDate;
fn main() {
let date: NaiveDate = rustc_version::version_meta()
.unwrap()
.commit_date
.unwrap()
.parse()
.unwrap();
if date > NaiveDate::from_ymd(2017, 12, 26) {
println!("cargo:rustc-cfg=has_termination_lang")
}
let target = env::var("TARGET").unwrap();
has_fpu(&target);
is_armv6m(&target);
let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
File::create(out.join("link.x"))
.unwrap()
.write_all(include_bytes!("link.x"))
.unwrap();
println!("cargo:rustc-link-search={}", out.display());
println!("cargo:rerun-if-changed=build.rs");
println!("cargo:rerun-if-changed=link.x");
}
fn has_fpu(target: &str) {
if target.ends_with("eabihf") {
println!("cargo:rustc-cfg=has_fpu");
}
}
fn is_armv6m(target: &str) {
if target.starts_with("thumbv6m-") {
println!("cargo:rustc-cfg=armv6m");
}
}