pip 安装失败，/usr/bin/clang: 没有这样的文件或目录 [英] pip install fails with /usr/bin/clang: No such file or directory

问题描述

我正在将我的开发环境迁移到 10.8，但是我遇到了 pip 问题.

I am migrating my dev environment to 10.8, however I am having issues with pip.

具体来说，我使用的是 virtualenvs/virtualwrapper 但不能 pip install psycopg2，并且在构建 psycopg2._psycopg 扩展的过程中，我得到:

Specifically, I'm using a virtualenvs/virtualwrapper but cannot pip install psycopg2, and during the building of the psycopg2._psycopg extension, I get:

unable to execute /usr/bin/clang: No such file or directory
error: command '/usr/bin/clang' failed with exit status 1

谁能提供解决方案?

推荐答案

这可能是因为您在升级后没有重新安装命令行工具.

This probably happens because you did not re-install the Command Line Tools after upgrading.

通常 XCode 应该升级到最新版本(4.4)(我相信当我更新到 10.8 时，我也更新了一大堆其他应用程序，包括 XCode).更新后您需要重新安装命令行工具.这现在可以通过 XCode 中的设置来完成:

Usually XCode should be upgraded to the latest version (4.4) (I believe when I updated to 10.8 I also updated a whole bunch of other applications, including XCode). After the update you need to re-install the Command Line Tools. This can now be done via a setting in XCode:

转到首选项 -> 下载"并安装命令行工具".

Go to "Preferences -> Downloads" and install "Command Line Tools".

现在安装需要编译的包应该没有问题了.

Now you should have no more problems when installing packages that need to be compiled.

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