diff --git a/crates/emulator/build.rs b/crates/emulator/build.rs
new file mode 100644
index 0000000..511bc11
--- /dev/null
+++ b/crates/emulator/build.rs
@@ -0,0 +1,14 @@
+use std::path::Path;
+
+fn main() {
+    if std::env::consts::OS == "macos" {
+        println!("cargo:rustc-link-search=/opt/homebrew/lib");
+        
+        let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
+        let mupdf_path = Path::new(&manifest_dir)
+            .join("../../thirdparty/mupdf/build/release")
+            .canonicalize()
+            .unwrap();
+        println!("cargo:rustc-link-search={}", mupdf_path.display());
+    }
+}
diff --git a/service.sh b/service.sh
index 2745203..7c84dc8 100755
--- a/service.sh
+++ b/service.sh
@@ -14,6 +14,12 @@ fi
 WRAPPER_PATH=mupdf_wrapper
 TARGET_OS=$(uname -s)
 
+if ! [ -e "thirdparty/mupdf/build/release/libmupdf.a" ]; then
+	cd thirdparty/mupdf || exit 1
+	make libs
+	cd -
+fi
+
 if ! [ -e "${WRAPPER_PATH}/${TARGET_OS}" ]; then
 	cd "$WRAPPER_PATH" || exit 1
 	./build.sh