首先 安装make 命令
https://developer.apple.com/downloads/index.action?name=for%20Xcode%20-
下载 https://developer.apple.com/downloads/index.action?name=for%20Xcode%20-#
command_line_tools_for_xcode_june_2012.dmg
然后下载Wget 安装
curl -O http://ftp.gnu.org/gnu/wget/wget-1.13.4.tar.gz
tar -xzvf wget-1.13.4.tar.gz
cd wget-1.13.4
./configure --with-ssl=openssl
make
sudo make install