Migrate makefile utilities to sub-directory (#14917)

6 files changed, 1157 insertions, 0 deletions

diff --git a/builddefs/bootloader.mk b/builddefs/bootloader.mk
new file mode 100644
index 0000000000..ccb92392d9
--- /dev/null
+++ b/builddefs/bootloader.mk
@@ -0,0 +1,163 @@
+# Copyright 2017 Jack Humbert
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# If it's possible that multiple bootloaders can be used for one project,
+# you can leave this unset, and the correct size will be selected
+# automatically.
+#
+# Sets the bootloader defined in the keyboard's/keymap's rules.mk
+# Current options:
+#
+# AVR:
+#     halfkay      PJRC Teensy
+#     caterina     Pro Micro (Sparkfun/generic)
+#     atmel-dfu    Atmel factory DFU
+#     lufa-dfu     LUFA DFU
+#     qmk-dfu      QMK DFU (LUFA + blinkenlight)
+#     qmk-hid      QMK HID (LUFA + blinkenlight)
+#     bootloadhid  HIDBootFlash compatible (ATmega32A)
+#     usbasploader USBaspLoader (ATmega328P)
+# ARM:
+#     kiibohd      Input:Club Kiibohd bootloader (only used on their boards)
+#     stm32duino   STM32Duino (STM32F103x8)
+#     stm32-dfu    STM32 USB DFU in ROM
+#     apm32-dfu    APM32 USB DFU in ROM
+# RISC-V:
+#     gd32v-dfu    GD32V USB DFU in ROM
+#
+# BOOTLOADER_SIZE can still be defined manually, but it's recommended
+# you add any possible configuration to this list
+
+ifeq ($(strip $(BOOTLOADER)), atmel-dfu)
+    OPT_DEFS += -DBOOTLOADER_ATMEL_DFU
+    OPT_DEFS += -DBOOTLOADER_DFU
+    ifneq (,$(filter $(MCU), at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647))
+        BOOTLOADER_SIZE = 4096
+    endif
+    ifneq (,$(filter $(MCU), at90usb1286 at90usb1287))
+        BOOTLOADER_SIZE = 8192
+    endif
+endif
+ifeq ($(strip $(BOOTLOADER)), lufa-dfu)
+    OPT_DEFS += -DBOOTLOADER_LUFA_DFU
+    OPT_DEFS += -DBOOTLOADER_DFU
+    ifneq (,$(filter $(MCU), at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647))
+        BOOTLOADER_SIZE ?= 4096
+    endif
+    ifneq (,$(filter $(MCU), at90usb1286 at90usb1287))
+        BOOTLOADER_SIZE ?= 8192
+    endif
+endif
+ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
+    OPT_DEFS += -DBOOTLOADER_QMK_DFU
+    OPT_DEFS += -DBOOTLOADER_DFU
+    ifneq (,$(filter $(MCU), at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647))
+        BOOTLOADER_SIZE ?= 4096
+    endif
+    ifneq (,$(filter $(MCU), at90usb1286 at90usb1287))
+        BOOTLOADER_SIZE ?= 8192
+    endif
+endif
+ifeq ($(strip $(BOOTLOADER)), qmk-hid)
+    OPT_DEFS += -DBOOTLOADER_QMK_HID
+    OPT_DEFS += -DBOOTLOADER_HID
+    BOOTLOADER_SIZE ?= 4096
+endif
+ifeq ($(strip $(BOOTLOADER)), halfkay)
+    OPT_DEFS += -DBOOTLOADER_HALFKAY
+    ifeq ($(strip $(MCU)), atmega32u4)
+        BOOTLOADER_SIZE = 512
+    endif
+    ifeq ($(strip $(MCU)), at90usb1286)
+        BOOTLOADER_SIZE = 1024
+    endif
+endif
+ifeq ($(strip $(BOOTLOADER)), caterina)
+    OPT_DEFS += -DBOOTLOADER_CATERINA
+    BOOTLOADER_SIZE = 4096
+endif
+ifneq (,$(filter $(BOOTLOADER), bootloadhid bootloadHID))
+    OPT_DEFS += -DBOOTLOADER_BOOTLOADHID
+    BOOTLOADER_SIZE = 4096
+endif
+ifneq (,$(filter $(BOOTLOADER), usbasploader USBasp))
+    OPT_DEFS += -DBOOTLOADER_USBASP
+    BOOTLOADER_SIZE = 4096
+endif
+ifeq ($(strip $(BOOTLOADER)), lufa-ms)
+    OPT_DEFS += -DBOOTLOADER_MS
+    BOOTLOADER_SIZE ?= 8192
+    FIRMWARE_FORMAT = bin
+cpfirmware: lufa_warning
+.INTERMEDIATE: lufa_warning
+lufa_warning: $(FIRMWARE_FORMAT)
+	$(info @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@)
+	$(info LUFA MASS STORAGE Bootloader selected)
+	$(info DO NOT USE THIS BOOTLOADER IN NEW PROJECTS!)
+	$(info It is extremely prone to bricking, and is only included to support existing boards.)
+	$(info @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@)
+endif
+ifdef BOOTLOADER_SIZE
+    OPT_DEFS += -DBOOTLOADER_SIZE=$(strip $(BOOTLOADER_SIZE))
+endif
+
+ifeq ($(strip $(BOOTLOADER)), stm32-dfu)
+    OPT_DEFS += -DBOOTLOADER_STM32_DFU
+
+    # Options to pass to dfu-util when flashing
+    DFU_ARGS ?= -d 0483:DF11 -a 0 -s 0x08000000:leave
+    DFU_SUFFIX_ARGS ?= -v 0483 -p DF11
+endif
+ifeq ($(strip $(BOOTLOADER)), apm32-dfu)
+    OPT_DEFS += -DBOOTLOADER_APM32_DFU
+
+    # Options to pass to dfu-util when flashing
+    DFU_ARGS ?= -d 314B:0106 -a 0 -s 0x08000000:leave
+    DFU_SUFFIX_ARGS ?= -v 314B -p 0106
+endif
+ifeq ($(strip $(BOOTLOADER)), gd32v-dfu)
+    OPT_DEFS += -DBOOTLOADER_GD32V_DFU
+
+    # Options to pass to dfu-util when flashing
+    DFU_ARGS ?= -d 28E9:0189 -a 0 -s 0x08000000:leave
+    DFU_SUFFIX_ARGS ?= -v 28E9 -p 0189
+endif
+ifeq ($(strip $(BOOTLOADER)), kiibohd)
+    OPT_DEFS += -DBOOTLOADER_KIIBOHD
+    ifeq ($(strip $(MCU_ORIG)), MK20DX128)
+        MCU_LDSCRIPT = MK20DX128BLDR4
+    endif
+    ifeq ($(strip $(MCU_ORIG)), MK20DX256)
+        MCU_LDSCRIPT = MK20DX256BLDR8
+    endif
+
+    # Options to pass to dfu-util when flashing
+    DFU_ARGS = -d 1C11:B007
+    DFU_SUFFIX_ARGS = -v 1C11 -p B007
+endif
+ifeq ($(strip $(BOOTLOADER)), stm32duino)
+    OPT_DEFS += -DBOOTLOADER_STM32DUINO
+    MCU_LDSCRIPT = STM32F103x8_stm32duino_bootloader
+    BOARD = STM32_F103_STM32DUINO
+    # STM32F103 does NOT have an USB bootloader in ROM (only serial), so setting anything here does not make much sense
+    STM32_BOOTLOADER_ADDRESS = 0x80000000
+
+    # Options to pass to dfu-util when flashing
+    DFU_ARGS = -d 1EAF:0003 -a 2 -R
+    DFU_SUFFIX_ARGS = -v 1EAF -p 0003
+endif
+ifeq ($(strip $(BOOTLOADER)), tinyuf2)
+    OPT_DEFS += -DBOOTLOADER_TINYUF2
+endif
diff --git a/builddefs/disable_features.mk b/builddefs/disable_features.mk
new file mode 100644
index 0000000000..090a9b5a11
--- /dev/null
+++ b/builddefs/disable_features.mk
@@ -0,0 +1,28 @@
+# Unconditionally disable features that a keyboard advertises it doesn't support
+
+FEATURE_NAMES :=
+FEATURE_NAMES += AUDIO
+FEATURE_NAMES += BACKLIGHT
+FEATURE_NAMES += BLUETOOTH
+FEATURE_NAMES += DIP_SWITCH
+FEATURE_NAMES += DYNAMIC_KEYMAP
+FEATURE_NAMES += ENCODER
+FEATURE_NAMES += HAPTIC
+FEATURE_NAMES += HD44780
+FEATURE_NAMES += IOS_DEVICE
+FEATURE_NAMES += LCD_BACKLIGHT
+FEATURE_NAMES += LCD
+FEATURE_NAMES += OLED
+FEATURE_NAMES += POINTING_DEVICE
+FEATURE_NAMES += PRINTING
+FEATURE_NAMES += PS2_MOUSE
+FEATURE_NAMES += RGBLIGHT
+FEATURE_NAMES += RGB_MATRIX
+FEATURE_NAMES += SLEEP_LED
+FEATURE_NAMES += STENO
+FEATURE_NAMES += SWAP_HANDS
+FEATURE_NAMES += WATCHDOG
+FEATURE_NAMES += XT
+
+$(foreach AFEATURE,$(FEATURE_NAMES),\
+	 $(if $(filter $($(AFEATURE)_SUPPORTED),no),$(eval $(AFEATURE)_ENABLE=no)))
diff --git a/builddefs/generic_features.mk b/builddefs/generic_features.mk
new file mode 100644
index 0000000000..ff02d56bbe
--- /dev/null
+++ b/builddefs/generic_features.mk
@@ -0,0 +1,49 @@
+# Copyright 2021 QMK
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+SPACE_CADET_ENABLE ?= yes
+GRAVE_ESC_ENABLE ?= yes
+
+GENERIC_FEATURES = \
+    COMBO \
+    COMMAND \
+    DIGITIZER \
+    DIP_SWITCH \
+    DYNAMIC_KEYMAP \
+    DYNAMIC_MACRO \
+    ENCODER \
+    GRAVE_ESC \
+    HAPTIC \
+    KEY_LOCK \
+    KEY_OVERRIDE \
+    LEADER \
+    PROGRAMMABLE_BUTTON \
+    SPACE_CADET \
+    TAP_DANCE \
+    VELOCIKEY \
+    WPM \
+
+define HANDLE_GENERIC_FEATURE
+    # $$(info "Processing: $1_ENABLE $2.c")
+    SRC += $$(wildcard $$(QUANTUM_DIR)/process_keycode/process_$2.c)
+    SRC += $$(wildcard $$(QUANTUM_DIR)/$2.c)
+    OPT_DEFS += -D$1_ENABLE
+endef
+
+$(foreach F,$(GENERIC_FEATURES),\
+    $(if $(filter yes, $(strip $($(F)_ENABLE))),\
+        $(eval $(call HANDLE_GENERIC_FEATURE,$(F),$(shell echo $(F) | tr '[:upper:]' '[:lower:]'))) \
+    ) \
+)
diff --git a/builddefs/mcu_selection.mk b/builddefs/mcu_selection.mk
new file mode 100644
index 0000000000..1251b7a2b7
--- /dev/null
+++ b/builddefs/mcu_selection.mk
@@ -0,0 +1,668 @@
+MCU_ORIG := $(MCU)
+
+ifneq ($(findstring MKL26Z64, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m0plus
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 6
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = KINETIS
+  MCU_SERIES = KL2x
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= MKL26Z64
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= kl2x
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= PJRC_TEENSY_LC
+endif
+
+ifneq ($(findstring MK20DX128, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = KINETIS
+  MCU_SERIES = K20x
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= MK20DX128
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= k20x5
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= PJRC_TEENSY_3
+endif
+
+ifneq ($(findstring MK20DX256, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = KINETIS
+  MCU_SERIES = K20x
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= MK20DX256
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/ports/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= k20x7
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= PJRC_TEENSY_3_1
+endif
+
+ifneq ($(findstring MK66FX1M0, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = KINETIS
+  MCU_SERIES = MK66F18
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= MK66FX1M0
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= MK66F18
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= PJRC_TEENSY_3_6
+endif
+
+ifneq ($(findstring STM32F042, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m0
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 6
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F0xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F042x6
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f0xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F042X6
+
+  USE_FPU ?= no
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F0
+
+  # Stack sizes: Since this chip has limited RAM capacity, the stack area needs to be reduced.
+  # This ensures that the EEPROM page buffer fits into RAM
+  USE_PROCESS_STACKSIZE = 0x600
+  USE_EXCEPTIONS_STACKSIZE = 0x300
+endif
+
+ifneq ($(findstring STM32F072, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m0
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 6
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F0xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F072xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f0xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F072XB
+
+  USE_FPU ?= no
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F0
+endif
+
+ifneq ($(findstring STM32F103, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m3
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F1xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F103x8
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f1xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F103
+
+  USE_FPU ?= no
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F1
+endif
+
+ifneq ($(findstring STM32F303, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F3xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F303xC
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f3xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F303XC
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F3
+endif
+
+ifneq ($(findstring STM32F401, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  ifeq ($(strip $(BOOTLOADER)), tinyuf2)
+    MCU_LDSCRIPT ?= STM32F401xC_tinyuf2
+    FIRMWARE_FORMAT ?= uf2
+  else
+    MCU_LDSCRIPT ?= STM32F401xC
+  endif
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= BLACKPILL_STM32_F401
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F4
+endif
+
+ifneq ($(findstring STM32F405, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/ports/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F405xG
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F405XG
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F4
+endif
+
+ifneq ($(findstring STM32F407, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F407xE
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F407XE
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F4
+endif
+
+ifneq ($(findstring STM32F411, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  ifeq ($(strip $(BOOTLOADER)), tinyuf2)
+    MCU_LDSCRIPT ?= STM32F411xE_tinyuf2
+    FIRMWARE_FORMAT ?= uf2
+  else
+    MCU_LDSCRIPT ?= STM32F411xE
+  endif
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= BLACKPILL_STM32_F411
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32F4
+endif
+
+ifneq ($(findstring STM32F446, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32F4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32F446xE
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32f4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_F446XE
+
+  USE_FPU ?= yes
+endif
+
+ifneq ($(findstring STM32G431, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32G4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32G431xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32g4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_G431XB
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32G4
+endif
+
+ifneq ($(findstring STM32G474, $(MCU)),)
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32G4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32G474xE
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32g4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_G474XE
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32G4
+endif
+
+ifneq (,$(filter $(MCU),STM32L433 STM32L443))
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32L4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32L432xC
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32l4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_L433XC
+
+  PLATFORM_NAME ?= platform_l432
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32L4
+endif
+
+ifneq (,$(filter $(MCU),STM32L412 STM32L422))
+  # Cortex version
+  MCU = cortex-m4
+
+  # ARM version, CORTEX-M0/M1 are 6, CORTEX-M3/M4/M7 are 7
+  ARMV = 7
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = STM32
+  MCU_SERIES = STM32L4xx
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/ARMCMx/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= STM32L412xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/ARMCMx/compilers/GCC/mk/
+  MCU_STARTUP ?= stm32l4xx
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= GENERIC_STM32_L412XB
+
+  PLATFORM_NAME ?= platform_l432
+
+  USE_FPU ?= yes
+
+  # UF2 settings
+  UF2_FAMILY ?= STM32L4
+endif
+
+ifneq ($(findstring GD32VF103, $(MCU)),)
+  # RISC-V
+  MCU = risc-v
+  
+  # RISC-V extensions and abi configuration
+  MCU_ARCH = rv32imac
+  MCU_ABI = ilp32
+  MCU_CMODEL = medlow
+
+  ## chip/board settings
+  # - the next two should match the directories in
+  #   <chibios>/os/hal/ports/$(MCU_FAMILY)/$(MCU_SERIES)
+  MCU_FAMILY = GD32V
+  MCU_SERIES = GD32VF103
+
+  # Linker script to use
+  # - it should exist either in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/ld/
+  #   or <keyboard_dir>/ld/
+  MCU_LDSCRIPT ?= GD32VF103xB
+
+  # Startup code to use
+  #  - it should exist in <chibios>/os/common/startup/RISCV-ECLIC/compilers/GCC/mk/
+  MCU_STARTUP ?= gd32vf103
+
+  # Board: it should exist either in <chibios>/os/hal/boards/,
+  # <keyboard_dir>/boards/, or drivers/boards/
+  BOARD ?= SIPEED_LONGAN_NANO
+
+  USE_FPU ?= no
+endif
+
+ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2 atmega16u4 atmega32u4 at90usb646 at90usb647 at90usb1286 at90usb1287))
+  PROTOCOL = LUFA
+
+  # Processor frequency.
+  #     This will define a symbol, F_CPU, in all source code files equal to the
+  #     processor frequency in Hz. You can then use this symbol in your source code to
+  #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+  #     automatically to create a 32-bit value in your source code.
+  #
+  #     This will be an integer division of F_USB below, as it is sourced by
+  #     F_USB after it has run through any CPU prescalers. Note that this value
+  #     does not *change* the processor frequency - it should merely be updated to
+  #     reflect the processor speed set externally so that the code can use accurate
+  #     software delays.
+  F_CPU ?= 16000000
+
+  # LUFA specific
+  #
+  # Target architecture (see library "Board Types" documentation).
+  ARCH = AVR8
+
+  # Input clock frequency.
+  #     This will define a symbol, F_USB, in all source code files equal to the
+  #     input clock frequency (before any prescaling is performed) in Hz. This value may
+  #     differ from F_CPU if prescaling is used on the latter, and is required as the
+  #     raw input clock is fed directly to the PLL sections of the AVR for high speed
+  #     clock generation for the USB and other AVR subsections. Do NOT tack on a 'UL'
+  #     at the end, this will be done automatically to create a 32-bit value in your
+  #     source code.
+  #
+  #     If no clock division is performed on the input clock inside the AVR (via the
+  #     CPU clock adjust registers or the clock division fuses), this will be equal to F_CPU.
+  F_USB ?= $(F_CPU)
+
+  # Interrupt driven control endpoint task
+  ifeq (,$(filter $(NO_INTERRUPT_CONTROL_ENDPOINT),yes))
+    OPT_DEFS += -DINTERRUPT_CONTROL_ENDPOINT
+  endif
+  ifneq (,$(filter $(MCU),at90usb162 atmega16u2 atmega32u2))
+    NO_I2C = yes
+  endif
+endif
+
+ifneq (,$(filter $(MCU),atmega32a))
+  # MCU name for avrdude
+  AVRDUDE_MCU = m32
+
+  PROTOCOL = VUSB
+
+  # Processor frequency.
+  #     This will define a symbol, F_CPU, in all source code files equal to the
+  #     processor frequency in Hz. You can then use this symbol in your source code to
+  #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+  #     automatically to create a 32-bit value in your source code.
+  F_CPU ?= 12000000
+endif
+
+ifneq (,$(filter $(MCU),atmega328p))
+  # MCU name for avrdude
+  AVRDUDE_MCU = m328p
+
+  PROTOCOL = VUSB
+
+  # Processor frequency.
+  #     This will define a symbol, F_CPU, in all source code files equal to the
+  #     processor frequency in Hz. You can then use this symbol in your source code to
+  #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+  #     automatically to create a 32-bit value in your source code.
+  F_CPU ?= 16000000
+endif
+
+ifneq (,$(filter $(MCU),atmega328))
+  # MCU name for avrdude
+  AVRDUDE_MCU = m328
+
+  PROTOCOL = VUSB
+
+  # Processor frequency.
+  #     This will define a symbol, F_CPU, in all source code files equal to the
+  #     processor frequency in Hz. You can then use this symbol in your source code to
+  #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+  #     automatically to create a 32-bit value in your source code.
+  F_CPU ?= 16000000
+endif
+
+ifneq (,$(filter $(MCU),attiny85))
+  PROTOCOL = VUSB
+
+  # Processor frequency.
+  #     This will define a symbol, F_CPU, in all source code files equal to the
+  #     processor frequency in Hz. You can then use this symbol in your source code to
+  #     calculate timings. Do NOT tack on a 'UL' at the end, this will be done
+  #     automatically to create a 32-bit value in your source code.
+  F_CPU ?= 16500000
+endif
diff --git a/builddefs/message.mk b/builddefs/message.mk
new file mode 100644
index 0000000000..cb4ef43719
--- /dev/null
+++ b/builddefs/message.mk
@@ -0,0 +1,102 @@
+COLOR ?= true
+
+ifeq ($(COLOR),true)
+	NO_COLOR=\033[0m
+	OK_COLOR=\033[32;01m
+	ERROR_COLOR=\033[31;01m
+	WARN_COLOR=\033[33;01m
+	SKIPPED_COLOR=\033[36;01m
+	BLUE=\033[0;34m
+	BOLD=\033[1m
+endif
+
+ifneq ($(shell echo "1 2 3" | awk '{ printf "%2s", $$3; }' 2>/dev/null)," 3")
+	AWK=awk
+else
+	AWK=cat && test
+endif
+
+ON_ERROR ?= exit 1
+
+OK_STRING=$(OK_COLOR)[OK]$(NO_COLOR)\n
+ERROR_STRING=$(ERROR_COLOR)[ERRORS]$(NO_COLOR)\n
+WARN_STRING=$(WARN_COLOR)[WARNINGS]$(NO_COLOR)\n
+SKIPPED_STRING=$(SKIPPED_COLOR)[SKIPPED]$(NO_COLOR)\n
+
+TAB_LOG = printf "\n%s\n\n" "$$LOG" | $(AWK) '{ sub(/^/," | "); print }'
+TAB_LOG_PLAIN = printf "%s\n" "$$LOG"
+AWK_STATUS = $(AWK) '{ printf " %-10s\n", $$1; }'
+AWK_CMD = $(AWK) '{ printf "%-99s", $$0; }'
+PRINT_ERROR = ($(SILENT) ||printf " $(ERROR_STRING)" | $(AWK_STATUS)) && $(TAB_LOG) && $(ON_ERROR)
+PRINT_WARNING = ($(SILENT) || printf " $(WARN_STRING)" | $(AWK_STATUS)) && $(TAB_LOG)
+PRINT_ERROR_PLAIN = ($(SILENT) ||printf " $(ERROR_STRING)" | $(AWK_STATUS)) && $(TAB_LOG_PLAIN) && $(ON_ERROR)
+PRINT_WARNING_PLAIN = ($(SILENT) || printf " $(WARN_STRING)" | $(AWK_STATUS)) && $(TAB_LOG_PLAIN)
+PRINT_SKIPPED_PLAIN = ($(SILENT) || printf " $(SKIPPED_STRING)" | $(AWK_STATUS))
+PRINT_OK = $(SILENT) || printf " $(OK_STRING)" | $(AWK_STATUS)
+BUILD_CMD = LOG=$$($(CMD) 2>&1) ; if [ $$? -gt 0 ]; then $(PRINT_ERROR); elif [ "$$LOG" != "" ] ; then $(PRINT_WARNING); else $(PRINT_OK); fi;
+MAKE_MSG_FORMAT = $(AWK) '{ printf "%-118s", $$0;}'
+
+# The UNSYNC_OUTPUT_CMD command disables the `--output-sync` for the current command, if the `--output-sync` granularity is `target` or lower.
+# This is achieved by telling make to treat the current command as if it invokes a recursive make subcommand (as if by calling `$(MAKE)`).
+UNSYNC_OUTPUT_CMD = +true
+
+# Define Messages
+# English
+MSG_ERRORS_NONE = Errors: none
+MSG_ERRORS = $(ERROR_COLOR)Make finished with errors\n$(NO_COLOR)
+MSG_BEGIN = -------- begin --------
+MSG_END = --------  end  --------
+MSG_SIZE_BEFORE = Size before:
+MSG_SIZE_AFTER = Size after:
+MSG_COFF = Converting to AVR COFF:
+MSG_EXTENDED_COFF = Converting to AVR Extended COFF:
+MSG_FLASH = Creating load file for flashing:
+MSG_UF2 = Creating UF2 file for deployment:
+MSG_EEPROM = Creating load file for EEPROM:
+MSG_BIN = Creating binary load file for flashing:
+MSG_EXTENDED_LISTING = Creating Extended Listing:
+MSG_SYMBOL_TABLE = Creating Symbol Table:
+MSG_EXECUTING = Executing:
+MSG_LINKING = Linking:
+MSG_COMPILING = Compiling:
+MSG_COMPILING_CXX = Compiling:
+MSG_ASSEMBLING = Assembling:
+MSG_CLEANING = Cleaning project:
+MSG_CREATING_LIBRARY = Creating library:
+MSG_SUBMODULE_DIRTY = $(WARN_COLOR)WARNING:$(NO_COLOR) Some git submodules are out of date or modified.\n\
+Please consider running $(BOLD)make git-submodule$(NO_COLOR).\n\n
+MSG_NO_CMP = $(ERROR_COLOR)Error:$(NO_COLOR)$(BOLD) cmp command not found, please install diffutils\n$(NO_COLOR)
+
+define GENERATE_MSG_MAKE_KB
+    MSG_MAKE_KB_ACTUAL := Making $$(KB_SP) with keymap $(BOLD)$$(CURRENT_KM)$(NO_COLOR)
+    ifneq ($$(MAKE_TARGET),)
+        MSG_MAKE_KB_ACTUAL += and target $(BOLD)$$(MAKE_TARGET)$(NO_COLOR)
+    endif
+endef
+MSG_MAKE_KB = $(eval $(call GENERATE_MSG_MAKE_KB))$(MSG_MAKE_KB_ACTUAL)
+define GENERATE_MSG_MAKE_TEST
+    MSG_MAKE_TEST_ACTUAL := Making test $(BOLD)$(TEST_NAME)$(NO_COLOR)
+    ifneq ($$(MAKE_TARGET),)
+        MSG_MAKE_TEST_ACTUAL += with target $(BOLD)$$(MAKE_TARGET)$(NO_COLOR)
+    endif
+endef
+MSG_MAKE_TEST = $(eval $(call GENERATE_MSG_MAKE_TEST))$(MSG_MAKE_TEST_ACTUAL)
+MSG_TEST = Testing $(BOLD)$(TEST_NAME)$(NO_COLOR)
+define GENERATE_MSG_AVAILABLE_KEYMAPS
+    MSG_AVAILABLE_KEYMAPS_ACTUAL := Available keymaps for $(BOLD)$$(CURRENT_KB)$(NO_COLOR):
+endef
+MSG_AVAILABLE_KEYMAPS = $(eval $(call GENERATE_MSG_AVAILABLE_KEYMAPS))$(MSG_AVAILABLE_KEYMAPS_ACTUAL)
+
+MSG_CHECK_FILESIZE = Checking file size of $(TARGET).$(FIRMWARE_FORMAT)
+MSG_CHECK_FILESIZE_SKIPPED = (Firmware size check does not yet support $(MCU_ORIG); skipping)
+MSG_FILE_TOO_BIG = $(ERROR_COLOR)The firmware is too large!$(NO_COLOR) $(CURRENT_SIZE)/$(MAX_SIZE) ($(OVER_SIZE) bytes over)\n
+MSG_FILE_TOO_SMALL = The firmware is too small! $(CURRENT_SIZE)/$(MAX_SIZE)\n
+MSG_FILE_JUST_RIGHT = The firmware size is fine - $(CURRENT_SIZE)/$(MAX_SIZE) ($(PERCENT_SIZE)%%, $(FREE_SIZE) bytes free)\n
+MSG_FILE_NEAR_LIMIT = The firmware size is approaching the maximum - $(CURRENT_SIZE)/$(MAX_SIZE) ($(PERCENT_SIZE)%%, $(FREE_SIZE) bytes free)\n
+MSG_PYTHON_MISSING = $(ERROR_COLOR)ERROR:$(NO_COLOR) Cannot run \"qmk hello\"!\n\n\
+	Please run $(BOLD)qmk setup$(NO_COLOR) to install all the dependencies QMK requires.\n\n
+MSG_FLASH_BOOTLOADER = $(WARN_COLOR)WARNING:$(NO_COLOR) This board's bootloader is not specified or is not supported by the \":flash\" target at this time.\n\n
+MSG_FLASH_ARCH = $(WARN_COLOR)WARNING:$(NO_COLOR) This board's architecture is not supported by the \":flash\" target at this time.\n\n
+MSG_BOOTLOADER_NOT_FOUND = $(ERROR_COLOR)ERROR:$(NO_COLOR) Bootloader not found. Trying again in 5s (Ctrl+C to cancel)\n
+BOOTLOADER_RETRY_TIME ?= 0.5
+MSG_BOOTLOADER_NOT_FOUND_QUICK_RETRY = Bootloader not found. Trying again every $(BOOTLOADER_RETRY_TIME)s (Ctrl+C to cancel)
diff --git a/builddefs/show_options.mk b/builddefs/show_options.mk
new file mode 100644
index 0000000000..ee60597e1c
--- /dev/null
+++ b/builddefs/show_options.mk
@@ -0,0 +1,147 @@
+BUILD_OPTION_NAMES = \
+  BOOTMAGIC_ENABLE \
+  MOUSEKEY_ENABLE \
+  EXTRAKEY_ENABLE \
+  CONSOLE_ENABLE \
+  COMMAND_ENABLE \
+  NKRO_ENABLE \
+  TERMINAL_ENABLE \
+  CUSTOM_MATRIX \
+  DEBOUNCE_TYPE \
+  SPLIT_KEYBOARD \
+  DYNAMIC_KEYMAP_ENABLE \
+  USB_HID_ENABLE \
+  VIA_ENABLE
+
+HARDWARE_OPTION_NAMES = \
+  SLEEP_LED_ENABLE \
+  BACKLIGHT_ENABLE \
+  BACKLIGHT_DRIVER \
+  RGBLIGHT_ENABLE \
+  RGBLIGHT_CUSTOM_DRIVER \
+  RGB_MATRIX_ENABLE \
+  RGB_MATRIX_DRIVER \
+  CIE1931_CURVE \
+  MIDI_ENABLE \
+  BLUETOOTH_ENABLE \
+  BLUETOOTH_DRIVER \
+  AUDIO_ENABLE \
+  HD44780_ENABLE \
+  ENCODER_ENABLE \
+  LED_TABLES \
+  POINTING_DEVICE_ENABLE \
+  DIP_SWITCH_ENABLE
+
+OTHER_OPTION_NAMES = \
+  UNICODE_ENABLE \
+  UCIS_ENABLE \
+  UNICODEMAP_ENABLE \
+  UNICODE_COMMON \
+  AUTO_SHIFT_ENABLE \
+  AUTO_SHIFT_MODIFIERS \
+  COMBO_ENABLE \
+  KEY_LOCK_ENABLE \
+  KEY_OVERRIDE_ENABLE \
+  LEADER_ENABLE \
+  PRINTING_ENABLE \
+  STENO_ENABLE \
+  TAP_DANCE_ENABLE \
+  VIRTSER_ENABLE \
+  OLED_ENABLE \
+  OLED_DRIVER \
+  LED_BACK_ENABLE \
+  LED_UNDERGLOW_ENABLE \
+  LED_ANIMATIONS \
+  IOS_DEVICE_ENABLE \
+  HELIX ZINC \
+  AUTOLOG_ENABLE \
+  DEBUG_ENABLE \
+  ENCODER_ENABLE_CUSTOM \
+  GERMAN_ENABLE \
+  HAPTIC_ENABLE \
+  HHKB_RN42_ENABLE \
+  ISSI_ENABLE \
+  KEYLOGGER_ENABLE \
+  LCD_BACKLIGHT_ENABLE \
+  MACROS_ENABLED \
+  PS2_MOUSE_ENABLE \
+  RAW_ENABLE \
+  SWAP_HANDS_ENABLE \
+  RING_BUFFERED_6KRO_REPORT_ENABLE \
+  WATCHDOG_ENABLE \
+  ERGOINU \
+  NO_USB_STARTUP_CHECK \
+  DISABLE_PROMICRO_LEDs \
+  MITOSIS_DATAGROK_BOTTOMSPACE \
+  MITOSIS_DATAGROK_SLOWUART \
+  RGB_MATRIX_KEYPRESSES \
+  LED_MIRRORED \
+  RGBLIGHT_FULL_POWER \
+  LTO_ENABLE \
+  PROGRAMMABLE_BUTTON_ENABLE
+
+define NAME_ECHO
+       @printf "  %-30s = %-16s # %s\\n" "$1" "$($1)" "$(origin $1)"
+
+endef
+
+define YAML_NAME_ECHO
+	@echo '  $1 : "$(strip $($1))"'
+
+endef
+
+.PHONY: show_build_options0 show_build_options
+show_build_options0:
+	@echo " KEYBOARD        = $(KEYBOARD)"
+	@echo " KEYMAP          = $(KEYMAP)"
+	@echo " MCU             = $(MCU)"
+	@echo " MCU_SERIES      = $(MCU_SERIES)"
+	@echo " PLATFORM        = $(PLATFORM)"
+	@echo " BOOTLOADER      = $(BOOTLOADER)"
+	@echo " FIRMWARE_FORMAT = $(FIRMWARE_FORMAT)"
+	@echo
+	@echo "Build Options:"
+	$(foreach A_OPTION_NAME,$(sort $(BUILD_OPTION_NAMES)),\
+		$(call NAME_ECHO,$(A_OPTION_NAME)))
+
+show_build_options: show_build_options0
+	@echo
+	@echo "If you want to know more, please try 'show_all_features' or 'show_full_features'"
+	@echo
+
+.PHONY: show_all_features
+show_all_features: show_build_options0
+	@echo
+	@echo "Hardware Options:"
+	$(foreach A_OPTION_NAME,$(sort $(HARDWARE_OPTION_NAMES)),\
+		$(if $($(A_OPTION_NAME)),$(call NAME_ECHO,$(A_OPTION_NAME))))
+	@echo
+	@echo "Other Options:"
+	$(foreach A_OPTION_NAME,$(sort $(OTHER_OPTION_NAMES)),\
+		$(if $($(A_OPTION_NAME)),$(call NAME_ECHO,$(A_OPTION_NAME))))
+
+.PHONY: show_full_features
+show_full_features: show_build_options0
+	@echo
+	@echo "Hardware Options:"
+	$(foreach A_OPTION_NAME,$(sort $(HARDWARE_OPTION_NAMES)),\
+		$(call NAME_ECHO,$(A_OPTION_NAME)))
+	@echo
+	@echo "Other Options:"
+	$(foreach A_OPTION_NAME,$(sort $(OTHER_OPTION_NAMES)),\
+		$(call NAME_ECHO,$(A_OPTION_NAME)))
+
+.PHONY: yaml_build_options
+yaml_build_options:
+	@echo '- KEYBOARD : "$(KEYBOARD)"'
+	@echo '  KEYMAP : "$(KEYMAP)"'
+	@echo '  MCU : "$(MCU)"'
+	@echo '  MCU_SERIES : "$(MCU_SERIES)"'
+	@echo '  PLATFORM : "$(PLATFORM)"'
+	@echo '  FIRMWARE_FORMAT : "$(FIRMWARE_FORMAT)"'
+	$(foreach A_OPTION_NAME,$(sort $(BUILD_OPTION_NAMES)),\
+		$(call YAML_NAME_ECHO,$(A_OPTION_NAME)))
+	$(foreach A_OPTION_NAME,$(sort $(HARDWARE_OPTION_NAMES)),\
+		$(if $($(A_OPTION_NAME)),$(call YAML_NAME_ECHO,$(A_OPTION_NAME))))
+	$(foreach A_OPTION_NAME,$(sort $(OTHER_OPTION_NAMES)),\
+		$(if $($(A_OPTION_NAME)),$(call YAML_NAME_ECHO,$(A_OPTION_NAME))))