libboard: use libbuild_artiq

artiq/firmware/libboard/Cargo.toml

@@ -8,6 +8,9 @@ build = "build.rs"
 name = "board"
 path = "lib.rs"
 
+[build-dependencies]
+build_artiq = { path = "../libbuild_artiq" }
+
 [dependencies]
 log = { version = "0.3", default-features = false }
 

artiq/firmware/libboard/build.rs

@@ -1,15 +1,5 @@
-use std::env;
-use std::path::Path;
-use std::io::{BufRead, BufReader};
-use std::fs::File;
+extern crate build_artiq;
 
 fn main() {
-    let out_dir = env::var("BUILDINC_DIRECTORY").unwrap();
-    let cfg_path = Path::new(&out_dir).join("generated").join("rust-cfg");
-    println!("cargo:rerun-if-changed={}", cfg_path.to_str().unwrap());
-
-    let f = BufReader::new(File::open(&cfg_path).unwrap());
-    for line in f.lines() {
-        println!("cargo:rustc-cfg={}", line.unwrap());
-    }
+    build_artiq::misoc_cfg();
 }