遇到一些库安装不上，可以忽略掉，具体见网址 http://blog.useasp.net/archive/2014/05/07/compile-and-install-python-2-dot-7-dot-6-on-centos.aspx
Python build finished, but the necessary bits to build these modules were not found: _bsddb _sqlite3 _ssl _tkinter bsddb185 bz2 dbm gdbm readline sunaudiodevTo find the necessary bits, look in setup.py in detect_modules() for the module's name.| 模块 | 依赖 | 说明 |
| _bsddb | bsddb | Interface to Berkeley DB library。Berkeley数据库的接口 |
| _curses | ncurses | Terminal handling for character-cell displays。 |
| _curses_panel | ncurses | A panel stack extension for curses。 |
| _sqlite3 | sqlite | DB-API 2.0 interface for SQLite databases。SqlLite，CentOS可以安装sqlite-devel |
| _ssl | openssl-devel.i686 | TLS/SSL wrapper for socket objects。 |
| _tkinter | N/A | a thin object-oriented layer on top of Tcl/Tk。如果不使用桌面程序可以忽略TKinter |
| bsddb185 | old bsddb module | 老的bsddb模块，可忽略。 |
| bz2 | bzip2-devel.i686 | Compression compatible with bzip2。bzip2-devel |
| dbm | bsddb | Simple “database” interface。 |
| dl | N/A | Call C functions in shared objects.Python2.6开始，已经弃用。 |
| gdbm | gdbm-devel.i686 | GNU’s reinterpretation of dbm |
| imageop | N/A | Manipulate raw image data。已经弃用。 |
| readline | readline-devel | GNU readline interface |
| sunaudiodev | N/A | Access to Sun audio hardware。这个是针对Sun平台的，CentOS下可以忽略 |
| zlib | Zlib | Compression compatible with gzip |