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Mac新手，我想在ipython notebook（/或python2.7）和R之间建立直通连接。

  1. 今天安装了Xcode，最新版本
  2. 在终端： pip install rpy2 （然后我看到以下错误消息返回）
  3. %load_ext rmagic (...)

有没有人遇到过类似的错误信息？如果您可以分享您的方法如何解决它，那就太好了！提前致谢 ！！

./rpy/rinterface/_rinterface.c:51:10: fatal error: 'signal.h' file not found

include <signal.h>
 1 error generated.
  error: command '/Applications/Xcode.app/Contents/Developer/Toolchains/
  XcodeDefault.xctoolchain/usr/bin/clang' failed with exit status 1

 Cleaning up...
 Command /Users/AliceXiong/anaconda/bin/python -c "import setuptools, tokenize;
 __file__='/private/var/folders/f_/0whwct214sj4nzd0d7rv90p80000gn/
 T/pip_build_AliceXiong/rpy2/setup.py';exec(compile(getattr(tokenize, 'open', open)     
 (__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record  
 /var/folders/f_/0whwct214sj4nzd0d7rv90p80000gn/T/pip-2lFYqK-record/install-record.txt -- 
 single-version-externally-managed --compile failed with error code 1 in 
 /private/var/folders/f_/0whwct214sj4nzd0d7rv90p80000gn/T/pip_build_AliceXiong/rpy2

 Storing debug log for failure in /Users/AliceXiong/.pip/pip.log

实际上，我打开了这个调试日志（vi .pip.log），但它是一个空文件

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