$ time qmk compile -kb moonlander -km default
Ψ Compiling keymap with make --jobs=1 moonlander:default


QMK Firmware 0.18.15
Making moonlander with keymap default

arm-none-eabi-gcc.exe (GCC) 10.1.0
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Generating: .build/obj_moonlander/src/info_config.h                                                 [OK]
Generating: .build/obj_moonlander/src/default_keyboard.c                                            [OK]
Generating: .build/obj_moonlander/src/default_keyboard.h                                            [OK]
Generating: .build/obj_moonlander/src/layouts.h                                                     [OK]
Compiling: keyboards/moonlander/matrix.c                                                            [OK]
Compiling: keyboards/moonlander/moonlander.c                                                        [OK]
Compiling: .build/obj_moonlander/src/default_keyboard.c                                             [OK]
Compiling: quantum/keymap_introspection.c                                                           [OK]
Compiling: quantum/quantum.c                                                                        [OK]
Compiling: quantum/bitwise.c                                                                        [OK]