softwareupdate -l # No listing is a good sign.

sudo xcodebuild -license accept # If you agree with the licensing terms.

Once all installations are complete, quit out of Xcode.

Allow Xcode app to do an essential install of the most recent compiler tools.

Under Preferences > Locations select the tools if their location is empty.

If not, then install/upgrade Xcode from the App Store app.

xcodebuild -version should show Xcode 11.1 or later.

For people running the latest version of Catalina (10.15.2 at the time of this writing), this has worked when the other two solutions haven't.

With the much smaller Xcode Command Line Tools via manual download.

With the much smaller Xcode Command Line Tools via xcode-select -install.

With the full Xcode (~7.6 GB download) from the App Store app.

People running Catalina have had success with some but not others in a way that has been unpredictable. There are three ways to install the Xcode libraries node-gyp needs on macOS. If test failed, there is a problem with your Xcode Command Line Tools installation. If test succeeded, you are done! You should be ready to install node-gyp. Let's first make sure that your Mac is running Catalina: Fixing Catalina for older versions of node-gyp Is my Mac running macOS Catalina? Use npm config delete node_gyp to unset this configuration option. If you use npm config set to change your global node_gyp you are responsible for keeping it up to date and can't rely on npm to give you a newer version when available. usr/local/lib/node_modules/node-gyp/bin/node-gyp.js). usr/local/bin/node-gyp), or a path to the node-gyp installation directory and the bin/node-gyp.js file within it (e.g. Where 'path to node-gyp' is to the node-gyp executable which may be a symlink in your global bin directory (e.g.

run npm with an environment variable prefix: npm_config_node_gyp= npm install.

through npm install), you will have to install node-gyp (either globally with -g or to a predictable location) and tell npm where the new version is.

If you need to use node-gyp from within npm (e.g. If you are using node-gyp directly then you should be able to install v7 and use it as-is. The newest release of node-gyp should solve this problem. Gyp: No Xcode or CLT version detected! node-gyp v7

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