diff --git a/cubeb-sys/build.rs b/cubeb-sys/build.rs
index 509ff46..de0d23e 100644
--- a/cubeb-sys/build.rs
+++ b/cubeb-sys/build.rs
@@ -47,6 +47,11 @@ fn main() {
     let mut cfg = cmake::Config::new("libcubeb");
 
     if darwin {
+        if !Path::new("libcubeb/src/cubeb-coreaudio-rs").exists() {
+            let _ = Command::new("git")
+                .args(["clone", "https://github.com/mozilla/cubeb-coreaudio-rs.git", "libcubeb/src/cubeb-coreaudio-rs"])
+                .status();
+        }
         let cmake_osx_arch = if target.contains("aarch64") {
             // Apple Silicon
             "arm64"
@@ -55,6 +60,7 @@ fn main() {
             "x86_64"
         };
         cfg.define("CMAKE_OSX_ARCHITECTURES", cmake_osx_arch);
+        cfg.define("BUILD_RUST_LIBS", "ON");
     }
 
     let _ = fs::remove_dir_all(env::var("OUT_DIR").unwrap());