如何获得安装在Xcode 4.4 / Mac OS X v10.8 (Mountain Lion)或更高版本的命令行构建工具?

对于OS X 10.9，你只需安装Xcode。命令行工具与Xcode捆绑在一起。技术说明TN2339，从命令行构建Xcode常见问题解答:

在OS X 10.9版本的Xcode中，无法下载命令行工具。如何在我的机器上安装它们?

In OS X 10.9, the Downloads pane of Xcode Preferences does not support downloading command-line tools. Use any of the following methods to install command-line tools on your system: If Xcode is installed on your machine, then there is no need to install them. Xcode comes bundled with all your command-line tools. OS X 10.9 includes shims or wrapper executables. These shims, installed in /usr/bin, can map any tool included in /usr/bin to the corresponding one inside Xcode. xcrun is one of such shims, which allows you to find or run any tool inside Xcode from the command line. Use it to invoke any tool within Xcode from the command line. ...

Xcode命令行工具可以从这里下载:https://developer.apple.com/downloads/index.action#

2014年4月版直接下载链接(适合想马上上手的开发人员) https://developer.apple.com/downloads/download.action?path=Developer_Tools/command_line_tools_os_x_mavericks_for_xcode__april_2014/command_line_tools_for_osx_mavericks_april_2014.dmg

“非官方”链接也可在

http://developer.apple.com/downloads/

403:禁止，除非使用合格的开发人员帐户登录。免费帐户可以访问除预发布软件和完整的操作系统安装之外的所有内容。特别是，与Xcode 4.4发布一致的命令行工具包(“2012年7月”软件包)在7月27日发布，用于Lion和Mountain Lion。

与日志文件、深度链接网页和Xcode首选项窗口不同，这个页面还链接到许多其他有用的下载，免费和付费开发者都可以下载，包括所有从Xcode中解绑定的东西(音频工具、辅助工具等)、OS X内核调试构建，以及Xcode 1.0版本的发布版本。

去developer.apple.com/download/all/(如果你没有登录请登录) 展开所需版本的“命令行工具”的“查看详细信息”工具提示 下载这些命令行工具的.dmg文件 下载.dmg文件后，双击它并安装它

至于大sur..

sudo rm -rf /Library/Developer/CommandLineTools
sudo xcode-select --install

感谢自制啤酒维护者把这有用的消息在酿造医生

如何获得安装在Xcode 4.4 / Mac OS X v10.8 (Mountain Lion)或更高版本的命令行构建工具?

对于OS X 10.9，你只需安装Xcode。命令行工具与Xcode捆绑在一起。技术说明TN2339，从命令行构建Xcode常见问题解答:

在OS X 10.9版本的Xcode中，无法下载命令行工具。如何在我的机器上安装它们?

In OS X 10.9, the Downloads pane of Xcode Preferences does not support downloading command-line tools. Use any of the following methods to install command-line tools on your system: If Xcode is installed on your machine, then there is no need to install them. Xcode comes bundled with all your command-line tools. OS X 10.9 includes shims or wrapper executables. These shims, installed in /usr/bin, can map any tool included in /usr/bin to the corresponding one inside Xcode. xcrun is one of such shims, which allows you to find or run any tool inside Xcode from the command line. Use it to invoke any tool within Xcode from the command line. ...