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Asked: 2026-06-12T01:28:32+00:00

I’ve installed Xcode and I can compile .cpp files in Xcode. However, I wanna

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I’ve installed Xcode and I can compile .cpp files in Xcode. However, I wanna use g++ in Terminal but command not found: g++ now.
My OS is Mountain Lion Xcode version is 4.4.

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  1. Editorial Team

    You need to download and install the Command Line Tools for OSX Mountain Lion from Apple Developer (you’ll need a Apple ID which is free to sign up for). This will install GCC (including g++) so you can build direct from Terminal

    The exact package currently is Command Line Tools (OS X Mountain Lion) for Xcode – September 2012

    Description about the package from Apple:

    This package enables UNIX-style development via Terminal by installing command line developer tools, as well as Mac OS X SDK frameworks and headers. Many useful tools are included, such as the Apple LLVM compiler, linker, and Make. If you use Xcode, these tools are also embedded within the Xcode IDE, and can be installed on your system using the Downloads preferences pane within Xcode 4.5.

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