Merge pull request #37 from kuke/add_boost

Add library boost to the dependency

README.md

@@ -29,10 +29,10 @@ To avoid the trouble of environment setup, [running in Docker container](#runnin
 - PaddlePaddle the latest version (please refer to the [Installation Guide](https://github.com/PaddlePaddle/Paddle#installation))
 
 ### Setup
-- Make sure these libraries or tools installed: `pkg-config`, `flac`, `ogg`, `vorbis` and `swig`, e.g. installing them via `apt-get`:
+- Make sure these libraries or tools installed: `pkg-config`, `flac`, `ogg`, `vorbis`, `boost` and `swig`, e.g. installing them via `apt-get`:
 
 ```bash
-sudo apt-get install -y pkg-config libflac-dev libogg-dev libvorbis-dev swig
+sudo apt-get install -y pkg-config libflac-dev libogg-dev libvorbis-dev libboost-dev swig
 ```
 
 - Run the setup script for the remaining dependencies