project tree directory

• project/
  • src/
  • build/

generate ‘compile_commands.json’ file from ‘project’ toplevel directory.

cmake -S ./src/ -B ./build/  -DCMAKE_EXPORT_COMPILE_COMMANDS=1

‘compile_commands.json’ is created in ‘build’ dir

link file into ‘src’ directory

cd ./src
ln -s ../build/compile_commands.json .