Modified README and add compile & install ways

README.md

@@ -74,3 +74,24 @@ Here are some useful hints to get involved.
 ## Licence
 
 The project is licensed under GPLv2 (though files sitting in the lib/ directory are LGPLv2.1).
+
+## Build
+
+### Dependency
+
+```bash
+sudo yum install -y 
+# for compile
+yum install -y protobuf protobuf-c protobuf-c-devel protobuf-compiler protobuf-devel protobuf-python libnl3-devel libcap-devel python2-future
+# for install
+yum install -y libnet-devel libbsd-devel asciidoc xmlto
+```
+
+### compile & install
+```bash
+make
+# for debug by gdb, you could use `make DEBUG=1`
+
+# install
+make install
+```