From ce4a8c56acc8ae0d24f954eae37751eba95ec01d Mon Sep 17 00:00:00 2001
From: Stephen Seo <seo.disparate@gmail.com>
Date: Mon, 22 Apr 2019 17:54:37 +0900
Subject: [PATCH] Allow rust_binding to build the C library

---
 rust_binding/Cargo.toml |  1 +
 rust_binding/build.rs   | 10 +++++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/rust_binding/Cargo.toml b/rust_binding/Cargo.toml
index ab94e15..b2d5560 100644
--- a/rust_binding/Cargo.toml
+++ b/rust_binding/Cargo.toml
@@ -8,3 +8,4 @@ edition = "2018"
 
 [build-dependencies]
 bindgen = "0.42.2"
+cmake = "0.1"
diff --git a/rust_binding/build.rs b/rust_binding/build.rs
index 436f988..745ee57 100644
--- a/rust_binding/build.rs
+++ b/rust_binding/build.rs
@@ -1,10 +1,18 @@
+use cmake::Config;
 use bindgen;
 
 use std::env;
 use std::path::PathBuf;
 
 fn main() {
-    println!("cargo:rustc-link-lib=UDPConnection");
+    let mut dst = Config::new("../c_impl")
+        .define("NDEBUG", "true")
+        .cflag("-O3")
+        .build();
+    dst.push("build");
+
+    println!("cargo:rustc-link-search=native={}", dst.display());
+    println!("cargo:rustc-link-lib=static=UDPConnection");
 
     let bindings = bindgen::Builder::default()
         .header("wrapper.h")