> node-gyp rebuild

make[1] : on entre dans le répertoire « /home/ec2-user/projects/ekicheck/src/node_modules/scrypt/build »
  SOLINK_MODULE(target) Release/obj.target/copied_files.node
make[1]: g++ : commande introuvable
make[1]: *** [Release/obj.target/copied_files.node] Erreur 127
make[1] : on quitte le répertoire « /home/ec2-user/projects/ekicheck/src/node_modules/scrypt/build »
gyp ERR! build error
gyp ERR! stack Error: `make` failed with exit code: 2
gyp ERR! stack     at ChildProcess.onExit (/home/ec2-user/.nvm/versions/node/v8.6.0/lib/node_modules/npm/node_modules/node-gyp/lib/build.js:262:23)
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 Linux 4.14.51-66.38.amzn2.x86_64
gyp ERR! command "/home/ec2-user/.nvm/versions/node/v8.6.0/bin/node" "/home/ec2-user/.nvm/versions/node/v8.6.0/lib/node_modules/npm/node_modules/node-gyp/bin/node-gyp.js" "rebuild"
gyp ERR! cwd /home/ec2-user/projects/ekicheck/src/node_modules/scrypt
gyp ERR! node -v v8.6.0
gyp ERR! node-gyp -v v3.7.0
gyp ERR! not ok
npm WARN src@1.0.0 No description
npm WARN src@1.0.0 No repository field.

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! scrypt@6.0.3 install: `node-gyp rebuild`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the scrypt@6.0.3 install script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     /home/ec2-user/.npm/_logs/2018-07-16T12_42_41_233Z-debug.log
make: *** [install] Erreur 1