![]() ![]() See the link’s location using a Linux utility: which gcc Would yield (at time of writing): 16143 directories, 72910 files If you have the tree utility installed: tree /Library/Developer/CommandLineTools | tail -1 How many folders and files were installed? The response would have more than what’s in CommandLineTools: Applications Library Makefiles Platforms Toolchains Tools usr If Xcode.app was installed: ls -al /Applications/Xcode.app/Contents/Developer/ If CommandLineTools was installed: ls -al /Library/Developer/CommandLineTools If Xcode.app was installed, you would see (at time of writing): Apple clang version 14.0.3 (clang-1403.0.22.14.1) InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin Previously, it was instead: Configured with: -prefix=/Library/Developer/CommandLineTools/usr -with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/4.2.1Īpple clang version 13.0.0 (clang-1300.0.29.3)Ĭonfigured with: -prefix=/Library/Developer/CommandLineTools/usr -with-gxx-include-dir=/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/c++/4.2.1Īpple clang version 11.0.3 (clang-1103.0.32.62)Īpple LLVM version 10.0.1 (clang-1001.0.46.4) InstalledDir: /Library/Developer/CommandLineTools/usr/bin If the program is using CommandLineTools, you would see (at time of this writing): Apple clang version 15.0.0 (clang-1500.0.28.1.1) If the response is “command not found”, it’s not installed. Verify the version of GCC installed: gcc -version Use `sudo Xcode-select -switch path/to/Xcode.app` to specify the Xcode that you wish to use for command line developer tools, or use `Xcode-select -install` to install the standalone command line developer tools.Īgain, if “Command not found” appears, either install CommandLineTools or install XCode.app, then return here. If neither is installed: xcrun: error: active developer path ("/Library/Developer/CommandLineTools") does not exist Applications/Xcode.app/Contents/Developer/usr/bin/gcc If Xcode.app is installed, the response would be: ![]() Library/Developer/CommandLineTools/usr/bin/gcc If Command Line Utilities is installed, the response would be: To identify the path to one of the utilities (gcc), use the xcrun utility that comes with macOS: xcrun -find gcc If the Xcode-select command is not found, choose to either install Command Line Tools or install the full Xcode IDE.Applications/Xcode.app/Contents/Developer If XCode.app was installed, you should instead see:.If XCode CLI was installed, you should see:.In a Terminal window, find out what has been installed: xcode-select -p Use Apple’s xcode-select command to identify where to find gcc and other Apple Developer utilities: Developers using Mac Books but NOT developing apps to run on an Apple platform can install just the CommandLineTools. Library/Developer/CommandLineTools => if installed using CommandLineToolsĬhoose one. $HOME/Applications/Xcode.app => if installed using Apple’s Xcode IDE Utilities needed can be obtained from two different folders, installed two different ways: “PROTIP:” here highlight information I haven’t seen elsewhere on the internetīecause it is hard-won, little-know but significant factsīased on my personal research and experience. Not intended to represent any employer (past or present). NOTE: Content here are my personal opinions, and This tutorial describes how to install several utilities needed by developers running HomeBrew, Python, and other programs on Macs: Install XCode from Apple’s web App Store.Using xcode-select to choose the version of Xcode you’re using also solves the following problem you may see when opening a storyboard: Just make sure to replace Xcode.app with the version you want to use - perhaps sudo xcode-select -s /Applications/Xcode\ 9.app/ instead. $ sudo xcode-select -s /Applications/Xcode.app/ There’s a simple solution - run the following in Terminal: “Error returned in reply: Connection Invalid. If builds are failing in Xcode 9, for example, due to the following: Use xcode-select on the command line whenever you need to switch between versions. Name the older version Xcode 8.3.3 or whatever you likeĭrag the Xcode 8.3.3.app to /Applications Go to to download the older version of Xcode you need and extract the archive. Install the latest version of Xcode from the App Store.You’ll just need to use xcode-select on the command line to switch between them whenever you go from, for example, Xcode 9 back to Xcode 8. Despite what you may have heard, it is possible to have multiple versions of Xcode installed at the same time without using any special tools or apps. ![]()
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