我还是 Ubuntu/Linux 的新手
我正在安装 Emacs（版本 25.1），我已经下载了源文件，解压缩并使用 tar
看来我得用 . /configure. 计算机工作了一段时间并给了我这个结果：
checking for X... no
checking for X... true
configure: error: You seem to be running X, but no X development libraries
were found. You should install the relevant development files for X
and for the toolkit you want, such as Gtk+ or Motif. Also make
sure you have development files for image handling, i.e.
tiff, gif, jpeg, png and xpm.
If you are sure you want Emacs compiled …