diff --git a/build.rs b/build.rs
index 757c03c..2d0f5cf 100644
--- a/build.rs
+++ b/build.rs
@@ -1,6 +1,8 @@
 
 use std::process::{Command, Stdio};
+use std::net::TcpStream;
 
+use std::os::unix::io::{AsRawFd, FromRawFd};
   
 
 fn main() {