Mac osx lion，virtualenv，pil install - gcc错误 [英] Mac osx lion, virtualenv, pil install - gcc error

问题描述

我刚刚完成了xcode安装，mac osx狮子。完成后，我尝试使用pip，easy_install和home brew在虚拟环境中安装PIL。所有三个都是错误的。点安装会出现以下错误：

pip`

 执行gcc-4.0：没有这样的文件或目录
 
错误：命令'gcc-4.0'失败与退出状态1 
  

`

easy_install 无法执行gcc-4.0：没有这样的文件或目录
错误：设置脚本退出，错误：命令'gcc-4.0'失败，退出状态1

home brew 错误：执行失败：python setup.py build_ext

我不太确定从这里去哪里。

谢谢，
CG

解决方案

Xcode 4.1在OS X Lion 10.7不再包含 gcc-4.0 ，就像在早期版本的OS X中所做的那样。当安装包含C扩展模块的PIL这样的Python包时，Python的Distutils将尝试使用相同版本的C编译器，Python本身正在构建。这听起来像是用来创建你的的版本。virtualenv 是一个旧的32位的Python，它用 gcc-4.0 。您可以通过在 virtualenv 中启动 python 来确定。如果它说 gcc-4.0 ，您将需要重新创建virtualenv，使用较新的基础Python，即Apple提供的Pythons在Lion中或安装较新的python使用python.org安装程序或brew食谱。然后为该Python安装分发和 pip 和 virtualenv 创建一个新的virutalenv然后安装PIL。

I have just completed the xcode install, mac osx lion. Upon completion I attempted to install PIL in a virtual enviroment using pip, easy_install and home brew. All three are erring out. pip install give the following error:

pip `

unable to execute gcc-4.0: No such file or directory

error: command 'gcc-4.0' failed with exit status 1

`

easy_install unable to execute gcc-4.0: No such file or directory error: Setup script exited with error: command 'gcc-4.0' failed with exit status 1

home brew Error: Failed executing: python setup.py build_ext

I am not really sure where to go from here.

Thanks, CG

解决方案

Xcode 4.1 on OS X Lion 10.7 no longer includes gcc-4.0 as it did in earlier versions of OS X. When you install a Python package like PIL that includes a C extension module, Python's Distutils will attempt to use the same version of the C compiler that that Python itself was build with. It sounds like the version of Python that was used to create your virtualenv is an older 32-bit-only Python built with gcc-4.0. You can tell for sure by starting the python in your virtualenv. If it says gcc-4.0, you will need to re-create the virtualenv, using a newer base Python, either one of the Apple-supplied Pythons in Lion or installing a newer python using a python.org installer or a brew recipe. Then install Distribute and pip and virtualenv for that Python, create a new virutalenv and then install PIL in it.

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