qmk_firmware/keyboards/hhkb/jp/rules.mk

# Build Options
#   change yes to no to disable
#
BOOTMAGIC_ENABLE = yes      # Enable Bootmagic Lite
MOUSEKEY_ENABLE = yes  # Mouse keys
EXTRAKEY_ENABLE = yes  # Audio control and System control
CONSOLE_ENABLE = yes   # Console for debug
COMMAND_ENABLE = yes   # Commands for debug and configuration
CUSTOM_MATRIX = yes    # Custom matrix file for the HHKB
NKRO_ENABLE = no            # Enable N-Key Rollover
# BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality

# HHKB_RN42_ENABLE = yes  # Enable support for hasu's BT alt controller -- code borrowed from tmk source tree.

# Either uncomment the HHKB_RN42_ENABLE line above, or run make enabling the
# feature. Be sure to clean any existing build before trying to enable rn42
# support. For example:
#
# make hhkb-keymap-clean
# make hhkb-keymap-dfu HHKB_RN42_ENABLE=yes

# project specific files
SRC = matrix.c

# debug-on: EXTRAFLAGS += -DDEBUG -DDEBUG_ACTION
# debug-on: all

# debug-off: EXTRAFLAGS += -DNO_DEBUG -DNO_PRINT
# debug-off: OPT_DEFS := $(filter-out -DCONSOLE_ENABLE,$(OPT_DEFS))
# debug-off: all