在 Mac 10.9.5 上安装 PyCrypto 时出错

我正在尝试为 Python 3.4 安装 PyCrypto，但 C 编译的程序出现问题。 它说“错误：无法运行C编译的程序”。 有人知道如何修复它吗？

code:

running build
running build_py
running build_ext
running build_configure
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... configure: error: in `/Users/briansabbath/Desktop/pycrypto-2.6.1':
configure: error: cannot run C compiled programs.
If you meant to cross compile, use `--host'.
See `config.log' for more details
Traceback (most recent call last):
  File "setup.py", line 456, in <module>
    core.setup(**kw)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/core.py", line 148, in setup
    dist.run_commands()
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 955, in run_commands
    self.run_command(cmd)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/command/build.py", line 126, in run
    self.run_command(cmd_name)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "setup.py", line 251, in run
    self.run_command(cmd_name)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/cmd.py", line 313, in run_command
    self.distribution.run_command(command)
  File "/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/distutils/dist.py", line 974, in run_command
    cmd_obj.run()
  File "setup.py", line 278, in run
    raise RuntimeError("autoconf error")
RuntimeError: autoconf error

这可能表明您没有安装 gcc 等 C 编译器。运行以下命令可能会有所帮助（命令行工具必须安装在 xcode 中）：

xcode-select --install