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npm install and fails on node-gyp rebuild with “`gyp: No Xcode or CLT version detected!“` caused by new macos catalina update

gyp: No Xcode or CLT version detected!
gyp ERR! configure error
gyp ERR! stack Error: gyp failed with exit code: 1
gyp ERR! stack at ChildProcess.onCpExit (/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:344:16)
gyp ERR! stack at emitTwo (events.js:125:13)
gyp ERR! stack at ChildProcess.emit (events.js:213:7)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Darwin 19.3.0
gyp ERR! command "/Users/synapse/.nvm/versions/node/v8.8.0/bin/node" "/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/synapse/Documents/synapsefi-dev-ui/node_modules/watchpack/node_modules/fsevents
gyp ERR! node -v v8.8.0
gyp ERR! node-gyp -v v5.0.3
gyp ERR! not ok
npm WARN [email protected] No repository field.
npm WARN The package country-data is included as both a dev and production dependency.
npm WARN The package react-dropzone is included as both a dev and production dependency.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/watchpack/node_modules/fsevents):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] in

gyp: No Xcode or CLT version detected!
gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack     at ChildProcess.onCpExit (/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/lib/configure.js:344:16)
gyp ERR! stack     at emitTwo (events.js:125:13)
gyp ERR! stack     at ChildProcess.emit (events.js:213:7)
gyp ERR! stack     at Process.ChildProcess._handle.onexit (internal/child_process.js:200:12)
gyp ERR! System Darwin 19.3.0
gyp ERR! command "/Users/synapse/.nvm/versions/node/v8.8.0/bin/node" "/Users/synapse/.nvm/versions/node/v8.8.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /Users/synapse/Documents/synapsefi-dev-ui/node_modules/watchpack/node_modules/fsevents
gyp ERR! node -v v8.8.0
gyp ERR! node-gyp -v v5.0.3
gyp ERR! not ok
npm WARN [email protected] No repository field.
npm WARN The package country-data is included as both a dev and production dependency.
npm WARN The package react-dropzone is included as both a dev and production dependency.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules/watchpack/node_modules/fsevents):
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] install: `node-gyp rebuild`
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

stall: node-gyp rebuild
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: Exit status 1

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3

Answers


  1. Chosen as BEST ANSWER
    0

    Go to your finder and type in "Terminal" to open the Terminal app. Copy and paste: sudo rm -rf /Library/Developer/CommandLineTools push enter *you have now manually removed your command line tools

    then go to https://developer.apple.com/download/more/ and search "Command Line Tools for Xcode 11.3.1" Click it and then download it *you have now manually added a command line tools set

    **Note: My Macbook Pro then kept telling me to update my command lines software. I ended up updating my software to Command Line Tools for Xcode 12.2 and it still works. I would recommend trying to update your Command Line Tools if your computer settings says it's available. If not, do the steps I just mentioned and it should work :slight_smile:


  2. 0

    The repository node-gyp contains a dedicated troubleshooting guide for macOS Catalina:

    https://github.com/nodejs/node-gyp/blob/master/macOS_Catalina.md

    TLDR:

    Installation notes for macOS Catalina (v10.15)

    Both upgrading to macOS Catalina and running a Software Update in
    Catalina may cause normal node-gyp installations to fail. This might
    manifest as the following error during npm install:

    gyp: No Xcode or CLT version detected!

    Solutions

    There are three ways to install the Xcode libraries node-gyp needs on
    macOS. People running Catalina have had success with some but not
    others in a way that has been unpredictable.

    • With the full Xcode (~7.6 GB download) from the App Store app.
    • With the much smaller Xcode Command Line Tools via xcode-select --install
    • With the much smaller Xcode Command Line Tools via manual download.
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  3. 0

    try running the command npm config set sass_binary_site=https://npm.taobao.org/mirrors/node-sass, My problem was fixed by changing the source of node-sass.

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