Getting compile_commands.json from CMake

CMake provides the CMAKE_EXPORT_COMPILE_COMMANDS flag to export the compile commands. The flag can be added to your CMakeLists.txt script:

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

or added to your build command:

cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON .

Either of these approaches will create the file compile_commands.json in your build directory.