Mac上安装Protobuf

1. Download Protobuf

地址为： https://github.com/google/protobuf 

$ git clone https://github.com/google/protobuf.git

2. Install automake

$ brew install automake
$ brew install libtool

3.  Run autogen.sh

$ ./autogen.sh

4. Install Protobuf

$ ./configure
$ make check
$ make
$ make install