brew install qmk/qmk/qmk

qmk setup

Would you like to clone qmk/qmk_firmware to /Users/shuji/qmk_firmware? [y/n] y
Cloning into '/Users/shuji/qmk_firmware'...
Ψ Successfully cloned https://github.com/qmk/qmk_firmware to /Users/shuji/qmk_firmware!
Ψ Added https://github.com/qmk/qmk_firmware as remote upstream.
Ψ QMK Doctor is checking your environment.
Ψ CLI version: 1.1.6
Ψ QMK home: /Users/shuji/qmk_firmware
Ψ Detected macOS 15.0.1 (Apple Silicon).
Ψ Userspace enabled: False
Ψ Git branch: master
Ψ Repo version: 0.27.3
Ψ - Latest master: 2024-12-27 19:42:54 +0000 (f549948bbd) -- Skip parsing g_led_config when matrix_size is missing (#24739)
Ψ - Latest upstream/master: 2024-12-27 19:42:54 +0000 (f549948bbd) -- Skip parsing g_led_config when matrix_size is missing (#24739)
Ψ - Latest upstream/develop: None
Ψ - Common ancestor with upstream/master: 2024-12-27 19:42:54 +0000 (f549948bbd) -- Skip parsing g_led_config when matrix_size is missing (#24739)
Ψ - Common ancestor with upstream/develop: None
Ψ CLI installed in virtualenv.
☒ Can't find arm-none-eabi-gcc in your path.
☒ Can't find avr-gcc in your path.
Would you like to install dependencies? [Y/n] Checking Homebrew installation

Ψ All dependencies are installed.
Ψ Found arm-none-eabi-gcc version 8.5.0
Ψ Successfully compiled using arm-none-eabi-gcc
Ψ Successfully tested arm-none-eabi-binutils using arm-none-eabi-size
Ψ Found avr-gcc version 8.5.0
Ψ Successfully compiled using avr-gcc
Ψ Successfully tested avr-binutils using avr-size
Ψ Found avrdude version 8.0
Ψ Found dfu-programmer version 1.1.0
Ψ Found dfu-util version 0.11
Ψ Submodules are up to date.
Ψ Submodule status:
Ψ - lib/chibios: 2024-02-17 19:20:06 +0000 --  (be44b3305f)
Ψ - lib/chibios-contrib: 2024-04-03 20:39:24 +0800 --  (77cb0a4f)
Ψ - lib/googletest: 2021-06-11 06:37:43 -0700 --  (e2239ee6)
Ψ - lib/lufa: 2022-08-26 12:09:55 +1000 --  (549b97320)
Ψ - lib/vusb: 2022-06-13 09:18:17 +1000 --  (819dbc1)
Ψ - lib/printf: 2022-06-29 23:59:58 +0300 --  (c2e3b4e)
Ψ - lib/pico-sdk: 2023-02-12 20:19:37 +0100 --  (a3398d8)
Ψ - lib/lvgl: 2022-04-11 04:44:53 -0600 --  (e19410f8)
Ψ QMK is ready to go

qmk new-keyboard

qmk lint -kb 3x3

qmk compile -kb 3x3 -km default

# create a fork https://github.com/shuji-koike/qmk_firmware
git clone shuji-koike/qmk_firmware
cd shuji-koike/qmk_firmware
git submodule update --init
git pull --recurse

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