gdb 使用了错误的 python

Question

当我启动 gdb（在 Ubuntu 12.04 LTS 上）时，它立即崩溃并显示以下输出：

BlockquoteTraceback (most recent call last):
  File "/usr/lib/python2.7/site.py", line 562, in <module>
    main()
  File "/usr/lib/python2.7/site.py", line 544, in main
    known_paths = addusersitepackages(known_paths)
  File "/usr/lib/python2.7/site.py", line 271, in addusersitepackages
    user_site = getusersitepackages()
  File "/usr/lib/python2.7/site.py", line 246, in getusersitepackages
    user_base = getuserbase() # this will also set USER_BASE
  File "/usr/lib/python2.7/site.py", line 236, in getuserbase
    USER_BASE = get_config_var('userbase')
  File "/usr/lib/python2.7/sysconfig.py", line 577, in get_config_var
    return get_config_vars().get(name)
  File "/usr/lib/python2.7/sysconfig.py", line 476, in get_config_vars
    _init_posix(_CONFIG_VARS)
  File "/usr/lib/python2.7/sysconfig.py", line 337, in _init_posix
    makefile = _get_makefile_filename()
  File "/usr/lib/python2.7/sysconfig.py", line 331, in _get_makefile_filename
    return os.path.join(get_path('platstdlib').replace("/usr/local","/usr",1), "config" + (sys.pydebug and "_d" or ""), "Makefile")
AttributeError: 'module' object has no attribute 'pydebug'

从这两个相似的问题

由于python错误，gdb无法运行

/sf/ask/744884101/

似乎gdb抓住了错误的python安装？我怎么知道gdb应该使用哪个 python以及在哪里设置使用哪个？

我有一只蟒蛇/usr/lib/python2.7和一只蟒蛇/opt/ros/fuerte/lib/python2.7。

我以前gdb在这台机器上成功使用过。

谢谢！

Answer 1

如果不从源代码构建，则无法配置它应该使用哪个 Python；你所能做的就是运行类似的东西：

readelf -d $(which gdb) | grep python

找出它使用的是哪种Python。