Migrate more makefile utilities to builddefs sub-directory (#16002)

8 files changed, 1981 insertions, 0 deletions

diff --git a/builddefs/build_full_test.mk b/builddefs/build_full_test.mk
new file mode 100644
index 0000000000..4e4b4e4bfd
--- /dev/null
+++ b/builddefs/build_full_test.mk
@@ -0,0 +1,36 @@
+# Copyright 2017 Fred Sundvik
+#
+# 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/>.
+
+$(TEST)_INC := \
+	tests/test_common/common_config.h
+
+$(TEST)_SRC := \
+	$(TMK_COMMON_SRC) \
+	$(QUANTUM_SRC) \
+	$(SRC) \
+	tests/test_common/keymap.c \
+	tests/test_common/matrix.c \
+	tests/test_common/test_driver.cpp \
+	tests/test_common/keyboard_report_util.cpp \
+	tests/test_common/test_fixture.cpp \
+	tests/test_common/test_keymap_key.cpp \
+	tests/test_common/test_logger.cpp \
+	$(patsubst $(ROOTDIR)/%,%,$(wildcard $(TEST_PATH)/*.cpp))
+
+$(TEST)_DEFS := $(TMK_COMMON_DEFS) $(OPT_DEFS)
+
+$(TEST)_CONFIG := $(TEST_PATH)/config.h
+
+VPATH += $(TOP_DIR)/tests/test_common
diff --git a/builddefs/build_json.mk b/builddefs/build_json.mk
new file mode 100644
index 0000000000..0c034eb2ae
--- /dev/null
+++ b/builddefs/build_json.mk
@@ -0,0 +1,17 @@
+# Look for a json keymap file
+ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.json)","")
+    KEYMAP_JSON := $(MAIN_KEYMAP_PATH_5)/keymap.json
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
+else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.json)","")
+    KEYMAP_JSON := $(MAIN_KEYMAP_PATH_4)/keymap.json
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
+else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.json)","")
+    KEYMAP_JSON := $(MAIN_KEYMAP_PATH_3)/keymap.json
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
+else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.json)","")
+    KEYMAP_JSON := $(MAIN_KEYMAP_PATH_2)/keymap.json
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
+else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.json)","")
+    KEYMAP_JSON := $(MAIN_KEYMAP_PATH_1)/keymap.json
+    KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
+endif
diff --git a/builddefs/build_keyboard.mk b/builddefs/build_keyboard.mk
new file mode 100644
index 0000000000..d5efcb4193
--- /dev/null
+++ b/builddefs/build_keyboard.mk
@@ -0,0 +1,469 @@
+# Determine what keyboard we are building and setup the build environment.
+#
+# We support folders up to 5 levels deep below `keyboards/`. This file is
+# responsible for determining which folder is being used and doing the
+# corresponding environment setup.
+
+ifndef VERBOSE
+.SILENT:
+endif
+
+.DEFAULT_GOAL := all
+
+include paths.mk
+include $(BUILDDEFS_PATH)/message.mk
+
+# Set the qmk cli to use
+QMK_BIN ?= qmk
+
+# Set the filename for the final firmware binary
+KEYBOARD_FILESAFE := $(subst /,_,$(KEYBOARD))
+TARGET ?= $(KEYBOARD_FILESAFE)_$(KEYMAP)
+KEYBOARD_OUTPUT := $(BUILD_DIR)/obj_$(KEYBOARD_FILESAFE)
+
+# Force expansion
+TARGET := $(TARGET)
+
+ifneq ($(FORCE_LAYOUT),)
+    TARGET := $(TARGET)_$(FORCE_LAYOUT)
+endif
+
+# Object files and generated keymap directory
+#     To put object files in current directory, use a dot (.), do NOT make
+#     this an empty or blank macro!
+KEYMAP_OUTPUT := $(BUILD_DIR)/obj_$(TARGET)
+
+ifdef SKIP_VERSION
+    OPT_DEFS += -DSKIP_VERSION
+endif
+
+# Generate the version.h file
+ifdef SKIP_VERSION
+VERSION_H_FLAGS := --skip-all
+endif
+ifdef SKIP_GIT
+VERSION_H_FLAGS := --skip-git
+endif
+
+# Generate the board's version.h file.
+$(shell $(QMK_BIN) generate-version-h $(VERSION_H_FLAGS) -q -o $(KEYMAP_OUTPUT)/src/version.h)
+
+# Determine which subfolders exist.
+KEYBOARD_FOLDER_PATH_1 := $(KEYBOARD)
+KEYBOARD_FOLDER_PATH_2 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_1)))
+KEYBOARD_FOLDER_PATH_3 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_2)))
+KEYBOARD_FOLDER_PATH_4 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_3)))
+KEYBOARD_FOLDER_PATH_5 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_4)))
+KEYBOARD_FOLDER_1 := $(notdir $(KEYBOARD_FOLDER_PATH_1))
+KEYBOARD_FOLDER_2 := $(notdir $(KEYBOARD_FOLDER_PATH_2))
+KEYBOARD_FOLDER_3 := $(notdir $(KEYBOARD_FOLDER_PATH_3))
+KEYBOARD_FOLDER_4 := $(notdir $(KEYBOARD_FOLDER_PATH_4))
+KEYBOARD_FOLDER_5 := $(notdir $(KEYBOARD_FOLDER_PATH_5))
+KEYBOARD_PATHS :=
+KEYBOARD_PATH_1 := keyboards/$(KEYBOARD_FOLDER_PATH_1)
+KEYBOARD_PATH_2 := keyboards/$(KEYBOARD_FOLDER_PATH_2)
+KEYBOARD_PATH_3 := keyboards/$(KEYBOARD_FOLDER_PATH_3)
+KEYBOARD_PATH_4 := keyboards/$(KEYBOARD_FOLDER_PATH_4)
+KEYBOARD_PATH_5 := keyboards/$(KEYBOARD_FOLDER_PATH_5)
+
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/)","")
+    KEYBOARD_PATHS += $(KEYBOARD_PATH_5)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/)","")
+    KEYBOARD_PATHS += $(KEYBOARD_PATH_4)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/)","")
+    KEYBOARD_PATHS += $(KEYBOARD_PATH_3)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/)","")
+    KEYBOARD_PATHS += $(KEYBOARD_PATH_2)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/)","")
+    KEYBOARD_PATHS += $(KEYBOARD_PATH_1)
+endif
+
+
+# Pull in rules.mk files from all our subfolders
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/rules.mk)","")
+    include $(KEYBOARD_PATH_5)/rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/rules.mk)","")
+    include $(KEYBOARD_PATH_4)/rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/rules.mk)","")
+    include $(KEYBOARD_PATH_3)/rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/rules.mk)","")
+    include $(KEYBOARD_PATH_2)/rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/rules.mk)","")
+    include $(KEYBOARD_PATH_1)/rules.mk
+endif
+
+MAIN_KEYMAP_PATH_1 := $(KEYBOARD_PATH_1)/keymaps/$(KEYMAP)
+MAIN_KEYMAP_PATH_2 := $(KEYBOARD_PATH_2)/keymaps/$(KEYMAP)
+MAIN_KEYMAP_PATH_3 := $(KEYBOARD_PATH_3)/keymaps/$(KEYMAP)
+MAIN_KEYMAP_PATH_4 := $(KEYBOARD_PATH_4)/keymaps/$(KEYMAP)
+MAIN_KEYMAP_PATH_5 := $(KEYBOARD_PATH_5)/keymaps/$(KEYMAP)
+
+# Pull in rules from info.json
+INFO_RULES_MK = $(shell $(QMK_BIN) generate-rules-mk --quiet --escape --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/info_rules.mk)
+include $(INFO_RULES_MK)
+
+# Check for keymap.json first, so we can regenerate keymap.c
+include $(BUILDDEFS_PATH)/build_json.mk
+
+# Pull in keymap level rules.mk
+ifeq ("$(wildcard $(KEYMAP_PATH))", "")
+    # Look through the possible keymap folders until we find a matching keymap.c
+    ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_5)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_5)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_4)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_4)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_3)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_3)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_2)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_2)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
+    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.c)","")
+        -include $(MAIN_KEYMAP_PATH_1)/rules.mk
+        KEYMAP_C := $(MAIN_KEYMAP_PATH_1)/keymap.c
+        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
+    else ifneq ($(LAYOUTS),)
+        # If we haven't found a keymap yet fall back to community layouts
+        include $(BUILDDEFS_PATH)/build_layout.mk
+    else
+        $(call CATASTROPHIC_ERROR,Invalid keymap,Could not find keymap)
+        # this state should never be reached
+    endif
+endif
+
+# Have we found a keymap.json?
+ifneq ("$(wildcard $(KEYMAP_JSON))", "")
+    KEYMAP_C := $(KEYMAP_OUTPUT)/src/keymap.c
+    KEYMAP_H := $(KEYMAP_OUTPUT)/src/config.h
+
+    # Load the keymap-level rules.mk if exists
+    -include $(KEYMAP_PATH)/rules.mk
+
+    # Load any rules.mk content from keymap.json
+    INFO_RULES_MK = $(shell $(QMK_BIN) generate-rules-mk --quiet --escape --keyboard $(KEYBOARD) --keymap $(KEYMAP) --output $(KEYMAP_OUTPUT)/src/rules.mk)
+    include $(INFO_RULES_MK)
+
+# Add rules to generate the keymap files - indentation here is important
+$(KEYMAP_OUTPUT)/src/keymap.c: $(KEYMAP_JSON)
+	$(QMK_BIN) json2c --quiet --output $(KEYMAP_C) $(KEYMAP_JSON)
+
+$(KEYMAP_OUTPUT)/src/config.h: $(KEYMAP_JSON)
+	$(QMK_BIN) generate-config-h --quiet --keyboard $(KEYBOARD) --keymap $(KEYMAP) --output $(KEYMAP_H)
+
+generated-files: $(KEYMAP_OUTPUT)/src/config.h $(KEYMAP_OUTPUT)/src/keymap.c
+
+endif
+
+ifeq ($(strip $(CTPC)), yes)
+    CONVERT_TO_PROTON_C=yes
+endif
+
+ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
+    include platforms/chibios/boards/QMK_PROTON_C/convert_to_proton_c.mk
+endif
+
+include $(BUILDDEFS_PATH)/mcu_selection.mk
+
+# Find all the C source files to be compiled in subfolders.
+KEYBOARD_SRC :=
+
+KEYBOARD_C_1 := $(KEYBOARD_PATH_1)/$(KEYBOARD_FOLDER_1).c
+KEYBOARD_C_2 := $(KEYBOARD_PATH_2)/$(KEYBOARD_FOLDER_2).c
+KEYBOARD_C_3 := $(KEYBOARD_PATH_3)/$(KEYBOARD_FOLDER_3).c
+KEYBOARD_C_4 := $(KEYBOARD_PATH_4)/$(KEYBOARD_FOLDER_4).c
+KEYBOARD_C_5 := $(KEYBOARD_PATH_5)/$(KEYBOARD_FOLDER_5).c
+
+ifneq ("$(wildcard $(KEYBOARD_C_5))","")
+    KEYBOARD_SRC += $(KEYBOARD_C_5)
+endif
+ifneq ("$(wildcard $(KEYBOARD_C_4))","")
+    KEYBOARD_SRC += $(KEYBOARD_C_4)
+endif
+ifneq ("$(wildcard $(KEYBOARD_C_3))","")
+    KEYBOARD_SRC += $(KEYBOARD_C_3)
+endif
+ifneq ("$(wildcard $(KEYBOARD_C_2))","")
+    KEYBOARD_SRC += $(KEYBOARD_C_2)
+endif
+ifneq ("$(wildcard $(KEYBOARD_C_1))","")
+    KEYBOARD_SRC += $(KEYBOARD_C_1)
+endif
+
+# Generate KEYBOARD_name_subname for all levels of the keyboard folder
+KEYBOARD_FILESAFE_1 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_1)))
+KEYBOARD_FILESAFE_2 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_2)))
+KEYBOARD_FILESAFE_3 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_3)))
+KEYBOARD_FILESAFE_4 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_4)))
+KEYBOARD_FILESAFE_5 := $(subst .,,$(subst /,_,$(KEYBOARD_FOLDER_PATH_5)))
+
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/)","")
+    OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE_5)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/)","")
+    OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE_4)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/)","")
+    OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE_3)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/)","")
+    OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE_2)
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/)","")
+    OPT_DEFS += -DKEYBOARD_$(KEYBOARD_FILESAFE_1)
+endif
+
+# Setup the define for QMK_KEYBOARD_H. This is used inside of keymaps so
+# that the same keymap may be used on multiple keyboards.
+#
+# We grab the most top-level include file that we can. That file should
+# use #ifdef statements to include all the neccesary subfolder includes,
+# as described here:
+#
+#    https://docs.qmk.fm/#/feature_layouts?id=tips-for-making-layouts-keyboard-agnostic
+#
+QMK_KEYBOARD_H = $(KEYBOARD_OUTPUT)/src/default_keyboard.h
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/$(KEYBOARD_FOLDER_1).h)","")
+    QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_1).h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/$(KEYBOARD_FOLDER_2).h)","")
+    QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_2).h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/$(KEYBOARD_FOLDER_3).h)","")
+    QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_3).h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/$(KEYBOARD_FOLDER_4).h)","")
+    QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_4).h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/$(KEYBOARD_FOLDER_5).h)","")
+    QMK_KEYBOARD_H = $(KEYBOARD_FOLDER_5).h
+endif
+
+# Determine and set parameters based on the keyboard's processor family.
+# We can assume a ChibiOS target When MCU_FAMILY is defined since it's
+# not used for LUFA
+ifdef MCU_FAMILY
+    PLATFORM=CHIBIOS
+    PLATFORM_KEY=chibios
+    FIRMWARE_FORMAT?=bin
+    OPT_DEFS += -DMCU_$(MCU_FAMILY)
+else ifdef ARM_ATSAM
+    PLATFORM=ARM_ATSAM
+    PLATFORM_KEY=arm_atsam
+    FIRMWARE_FORMAT=bin
+else
+    PLATFORM=AVR
+    PLATFORM_KEY=avr
+    FIRMWARE_FORMAT?=hex
+endif
+
+# Find all of the config.h files and add them to our CONFIG_H define.
+CONFIG_H :=
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/config.h)","")
+    CONFIG_H += $(KEYBOARD_PATH_5)/config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/config.h)","")
+    CONFIG_H += $(KEYBOARD_PATH_4)/config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/config.h)","")
+    CONFIG_H += $(KEYBOARD_PATH_3)/config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/config.h)","")
+    CONFIG_H += $(KEYBOARD_PATH_2)/config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/config.h)","")
+    CONFIG_H += $(KEYBOARD_PATH_1)/config.h
+endif
+
+POST_CONFIG_H :=
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/post_config.h)","")
+    POST_CONFIG_H += $(KEYBOARD_PATH_1)/post_config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/post_config.h)","")
+    POST_CONFIG_H += $(KEYBOARD_PATH_2)/post_config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/post_config.h)","")
+    POST_CONFIG_H += $(KEYBOARD_PATH_3)/post_config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/post_config.h)","")
+    POST_CONFIG_H += $(KEYBOARD_PATH_4)/post_config.h
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/post_config.h)","")
+    POST_CONFIG_H += $(KEYBOARD_PATH_5)/post_config.h
+endif
+
+# Pull in stuff from info.json
+INFO_JSON_FILES :=
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/info.json)","")
+    INFO_JSON_FILES += $(KEYBOARD_PATH_1)/info.json
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/info.json)","")
+    INFO_JSON_FILES += $(KEYBOARD_PATH_2)/info.json
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/info.json)","")
+    INFO_JSON_FILES += $(KEYBOARD_PATH_3)/info.json
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/info.json)","")
+    INFO_JSON_FILES += $(KEYBOARD_PATH_4)/info.json
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/info.json)","")
+    INFO_JSON_FILES += $(KEYBOARD_PATH_5)/info.json
+endif
+
+CONFIG_H += $(KEYBOARD_OUTPUT)/src/info_config.h $(KEYBOARD_OUTPUT)/src/layouts.h
+
+$(KEYBOARD_OUTPUT)/src/info_config.h: $(INFO_JSON_FILES)
+	$(QMK_BIN) generate-config-h --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/info_config.h
+
+$(KEYBOARD_OUTPUT)/src/default_keyboard.h: $(INFO_JSON_FILES)
+	$(QMK_BIN) generate-keyboard-h --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/default_keyboard.h
+
+$(KEYBOARD_OUTPUT)/src/layouts.h: $(INFO_JSON_FILES)
+	$(QMK_BIN) generate-layouts --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/layouts.h
+
+generated-files: $(KEYBOARD_OUTPUT)/src/info_config.h $(KEYBOARD_OUTPUT)/src/default_keyboard.h $(KEYBOARD_OUTPUT)/src/layouts.h
+
+.INTERMEDIATE : generated-files
+
+# Userspace setup and definitions
+ifeq ("$(USER_NAME)","")
+    USER_NAME := $(KEYMAP)
+endif
+USER_PATH := users/$(USER_NAME)
+
+# Pull in user level rules.mk
+-include $(USER_PATH)/rules.mk
+ifneq ("$(wildcard $(USER_PATH)/config.h)","")
+    CONFIG_H += $(USER_PATH)/config.h
+endif
+ifneq ("$(wildcard $(USER_PATH)/post_config.h)","")
+    POST_CONFIG_H += $(USER_PATH)/post_config.h
+endif
+
+# Disable features that a keyboard doesn't support
+-include $(BUILDDEFS_PATH)/disable_features.mk
+
+# Pull in post_rules.mk files from all our subfolders
+ifneq ("$(wildcard $(KEYBOARD_PATH_1)/post_rules.mk)","")
+    include $(KEYBOARD_PATH_1)/post_rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_2)/post_rules.mk)","")
+    include $(KEYBOARD_PATH_2)/post_rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_3)/post_rules.mk)","")
+    include $(KEYBOARD_PATH_3)/post_rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_4)/post_rules.mk)","")
+    include $(KEYBOARD_PATH_4)/post_rules.mk
+endif
+ifneq ("$(wildcard $(KEYBOARD_PATH_5)/post_rules.mk)","")
+    include $(KEYBOARD_PATH_5)/post_rules.mk
+endif
+
+ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
+    CONFIG_H += $(KEYMAP_PATH)/config.h
+endif
+ifneq ("$(KEYMAP_H)","")
+    CONFIG_H += $(KEYMAP_H)
+endif
+
+# project specific files
+SRC += \
+    $(KEYBOARD_SRC) \
+    $(KEYMAP_C) \
+    $(QUANTUM_SRC) \
+    $(QUANTUM_DIR)/main.c \
+
+# Optimize size but this may cause error "relocation truncated to fit"
+#EXTRALDFLAGS = -Wl,--relax
+
+# Search Path
+VPATH += $(KEYMAP_PATH)
+VPATH += $(USER_PATH)
+VPATH += $(KEYBOARD_PATHS)
+VPATH += $(COMMON_VPATH)
+VPATH += $(KEYBOARD_OUTPUT)/src
+VPATH += $(KEYMAP_OUTPUT)/src
+
+include $(BUILDDEFS_PATH)/common_features.mk
+include $(BUILDDEFS_PATH)/generic_features.mk
+include $(TMK_PATH)/protocol.mk
+include $(PLATFORM_PATH)/common.mk
+include $(BUILDDEFS_PATH)/bootloader.mk
+
+SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
+SRC += $(patsubst %.c,%.clib,$(QUANTUM_LIB_SRC))
+SRC += $(TMK_COMMON_SRC)
+OPT_DEFS += $(TMK_COMMON_DEFS)
+EXTRALDFLAGS += $(TMK_COMMON_LDFLAGS)
+
+SKIP_COMPILE := no
+ifneq ($(REQUIRE_PLATFORM_KEY),)
+    ifneq ($(REQUIRE_PLATFORM_KEY),$(PLATFORM_KEY))
+        SKIP_COMPILE := yes
+    endif
+endif
+
+include $(PLATFORM_PATH)/$(PLATFORM_KEY)/platform.mk
+-include $(PLATFORM_PATH)/$(PLATFORM_KEY)/flash.mk
+
+ifneq ($(strip $(PROTOCOL)),)
+    include $(TMK_PATH)/protocol/$(strip $(shell echo $(PROTOCOL) | tr '[:upper:]' '[:lower:]')).mk
+else
+    include $(TMK_PATH)/protocol/$(PLATFORM_KEY).mk
+endif
+
+# TODO: remove this bodge?
+PROJECT_DEFS := $(OPT_DEFS)
+PROJECT_INC := $(VPATH) $(EXTRAINCDIRS) $(KEYBOARD_PATHS)
+PROJECT_CONFIG := $(CONFIG_H)
+
+CONFIG_H += $(POST_CONFIG_H)
+ALL_CONFIGS := $(PROJECT_CONFIG) $(CONFIG_H)
+
+OUTPUTS := $(KEYMAP_OUTPUT) $(KEYBOARD_OUTPUT)
+$(KEYMAP_OUTPUT)_SRC := $(SRC)
+$(KEYMAP_OUTPUT)_DEFS := $(OPT_DEFS) \
+-DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYBOARD_H=\"$(QMK_KEYBOARD_H)\" \
+-DQMK_KEYMAP=\"$(KEYMAP)\" -DQMK_KEYMAP_H=\"$(KEYMAP).h\" -DQMK_KEYMAP_CONFIG_H=\"$(KEYMAP_PATH)/config.h\"
+$(KEYMAP_OUTPUT)_INC :=  $(VPATH) $(EXTRAINCDIRS)
+$(KEYMAP_OUTPUT)_CONFIG := $(CONFIG_H)
+$(KEYBOARD_OUTPUT)_SRC := $(PLATFORM_SRC)
+$(KEYBOARD_OUTPUT)_DEFS := $(PROJECT_DEFS)
+$(KEYBOARD_OUTPUT)_INC := $(PROJECT_INC)
+$(KEYBOARD_OUTPUT)_CONFIG := $(PROJECT_CONFIG)
+
+# Default target.
+ifeq ($(SKIP_COMPILE),no)
+all: build check-size
+else
+all:
+	echo "skipped" >&2
+endif
+
+build: elf cpfirmware
+check-size: build
+check-md5: build
+objs-size: build
+
+include $(BUILDDEFS_PATH)/show_options.mk
+include $(BUILDDEFS_PATH)/common_rules.mk
+
+# Ensure we have generated files available for each of the objects
+define GEN_FILES
+$1: generated-files
+endef
+$(foreach O,$(OBJ),$(eval $(call GEN_FILES,$(patsubst %.a,%.o,$(O)))))
diff --git a/builddefs/build_layout.mk b/builddefs/build_layout.mk
new file mode 100644
index 0000000000..6166bd847c
--- /dev/null
+++ b/builddefs/build_layout.mk
@@ -0,0 +1,32 @@
+LAYOUTS_PATH := layouts
+LAYOUTS_REPOS := $(patsubst %/,%,$(sort $(dir $(wildcard $(LAYOUTS_PATH)/*/))))
+
+define SEARCH_LAYOUTS_REPO
+    LAYOUT_KEYMAP_PATH := $$(LAYOUTS_REPO)/$$(LAYOUT)/$$(KEYMAP)
+    LAYOUT_KEYMAP_JSON := $$(LAYOUT_KEYMAP_PATH)/keymap.json
+    LAYOUT_KEYMAP_C := $$(LAYOUT_KEYMAP_PATH)/keymap.c
+    ifneq ("$$(wildcard $$(LAYOUT_KEYMAP_JSON))","")
+        -include $$(LAYOUT_KEYMAP_PATH)/rules.mk
+        KEYMAP_JSON := $$(LAYOUT_KEYMAP_JSON)
+        KEYMAP_PATH := $$(LAYOUT_KEYMAP_PATH)
+    else ifneq ("$$(wildcard $$(LAYOUT_KEYMAP_C))","")
+        -include $$(LAYOUT_KEYMAP_PATH)/rules.mk
+        KEYMAP_C := $$(LAYOUT_KEYMAP_C)
+        KEYMAP_PATH := $$(LAYOUT_KEYMAP_PATH)
+    endif
+endef
+
+define SEARCH_LAYOUTS
+    $$(foreach LAYOUTS_REPO,$$(LAYOUTS_REPOS),$$(eval $$(call SEARCH_LAYOUTS_REPO)))
+endef
+
+ifneq ($(FORCE_LAYOUT),)
+    ifneq (,$(findstring $(FORCE_LAYOUT),$(LAYOUTS)))
+        $(info Forcing layout: $(FORCE_LAYOUT))
+        LAYOUTS := $(FORCE_LAYOUT)
+    else
+        $(call CATASTROPHIC_ERROR,Invalid layout,Forced layout does not exist)
+    endif
+endif
+
+$(foreach LAYOUT,$(LAYOUTS),$(eval $(call SEARCH_LAYOUTS)))
diff --git a/builddefs/build_test.mk b/builddefs/build_test.mk
new file mode 100644
index 0000000000..7226004aab
--- /dev/null
+++ b/builddefs/build_test.mk
@@ -0,0 +1,84 @@
+ifndef VERBOSE
+.SILENT:
+endif
+
+.DEFAULT_GOAL := all
+
+include paths.mk
+include $(BUILDDEFS_PATH)/message.mk
+
+TARGET=test/$(TEST)
+
+GTEST_OUTPUT = $(BUILD_DIR)/gtest
+
+TEST_OBJ = $(BUILD_DIR)/test_obj
+
+OUTPUTS := $(TEST_OBJ)/$(TEST) $(GTEST_OUTPUT)
+
+GTEST_INC := \
+	$(LIB_PATH)/googletest/googletest/include \
+	$(LIB_PATH)/googletest/googlemock/include
+
+GTEST_INTERNAL_INC := \
+	$(LIB_PATH)/googletest/googletest \
+	$(LIB_PATH)/googletest/googlemock
+
+$(GTEST_OUTPUT)_SRC := \
+	googletest/src/gtest-all.cc\
+	googlemock/src/gmock-all.cc
+
+$(GTEST_OUTPUT)_DEFS :=
+$(GTEST_OUTPUT)_INC := $(GTEST_INC) $(GTEST_INTERNAL_INC)
+
+LDFLAGS += -lstdc++ -lpthread -shared-libgcc
+CREATE_MAP := no
+
+VPATH += \
+	$(LIB_PATH)/googletest \
+	$(LIB_PATH)/googlemock \
+	$(LIB_PATH)/printf
+
+all: elf
+
+VPATH += $(COMMON_VPATH)
+PLATFORM:=TEST
+PLATFORM_KEY:=test
+BOOTLOADER_TYPE:=none
+
+ifeq ($(strip $(DEBUG)), 1)
+CONSOLE_ENABLE = yes
+endif
+
+ifneq ($(filter $(FULL_TESTS),$(TEST)),)
+include tests/test_common/build.mk
+include $(TEST_PATH)/test.mk
+endif
+
+include $(BUILDDEFS_PATH)/common_features.mk
+include $(BUILDDEFS_PATH)/generic_features.mk
+include $(PLATFORM_PATH)/common.mk
+include $(TMK_PATH)/protocol.mk
+include $(QUANTUM_PATH)/debounce/tests/rules.mk
+include $(QUANTUM_PATH)/encoder/tests/rules.mk
+include $(QUANTUM_PATH)/sequencer/tests/rules.mk
+include $(PLATFORM_PATH)/test/rules.mk
+ifneq ($(filter $(FULL_TESTS),$(TEST)),)
+include $(BUILDDEFS_PATH)/build_full_test.mk
+endif
+
+$(TEST)_SRC += \
+	tests/test_common/main.c \
+	$(LIB_PATH)/printf/printf.c \
+	$(QUANTUM_PATH)/logging/print.c
+
+$(TEST_OBJ)/$(TEST)_SRC := $($(TEST)_SRC)
+$(TEST_OBJ)/$(TEST)_INC := $($(TEST)_INC) $(VPATH) $(GTEST_INC)
+$(TEST_OBJ)/$(TEST)_DEFS := $($(TEST)_DEFS)
+$(TEST_OBJ)/$(TEST)_CONFIG := $($(TEST)_CONFIG)
+
+include $(PLATFORM_PATH)/$(PLATFORM_KEY)/platform.mk
+include $(BUILDDEFS_PATH)/common_rules.mk
+
+
+$(shell mkdir -p $(BUILD_DIR)/test 2>/dev/null)
+$(shell mkdir -p $(TEST_OBJ) 2>/dev/null)
diff --git a/builddefs/common_features.mk b/builddefs/common_features.mk
new file mode 100644
index 0000000000..7ff19e8084
--- /dev/null
+++ b/builddefs/common_features.mk
@@ -0,0 +1,801 @@
+# Copyright 2017 Fred Sundvik
+#
+# 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/>.
+
+QUANTUM_SRC += \
+    $(QUANTUM_DIR)/quantum.c \
+    $(QUANTUM_DIR)/send_string.c \
+    $(QUANTUM_DIR)/bitwise.c \
+    $(QUANTUM_DIR)/led.c \
+    $(QUANTUM_DIR)/action.c \
+    $(QUANTUM_DIR)/action_layer.c \
+    $(QUANTUM_DIR)/action_tapping.c \
+    $(QUANTUM_DIR)/action_util.c \
+    $(QUANTUM_DIR)/eeconfig.c \
+    $(QUANTUM_DIR)/keyboard.c \
+    $(QUANTUM_DIR)/keymap_common.c \
+    $(QUANTUM_DIR)/keycode_config.c \
+    $(QUANTUM_DIR)/sync_timer.c \
+    $(QUANTUM_DIR)/logging/debug.c \
+    $(QUANTUM_DIR)/logging/sendchar.c \
+
+VPATH += $(QUANTUM_DIR)/logging
+# Fall back to lib/printf if there is no platform provided print
+ifeq ("$(wildcard $(PLATFORM_PATH)/$(PLATFORM_KEY)/printf.mk)","")
+    include $(QUANTUM_PATH)/logging/print.mk
+else
+    include $(PLATFORM_PATH)/$(PLATFORM_KEY)/printf.mk
+endif
+
+ifeq ($(strip $(DEBUG_MATRIX_SCAN_RATE_ENABLE)), yes)
+    OPT_DEFS += -DDEBUG_MATRIX_SCAN_RATE
+    CONSOLE_ENABLE = yes
+else ifeq ($(strip $(DEBUG_MATRIX_SCAN_RATE_ENABLE)), api)
+    OPT_DEFS += -DDEBUG_MATRIX_SCAN_RATE
+endif
+
+AUDIO_ENABLE ?= no
+ifeq ($(strip $(AUDIO_ENABLE)), yes)
+    ifeq ($(PLATFORM),CHIBIOS)
+        AUDIO_DRIVER ?= dac_basic
+        ifeq ($(strip $(AUDIO_DRIVER)), dac_basic)
+            OPT_DEFS += -DAUDIO_DRIVER_DAC
+        else ifeq ($(strip $(AUDIO_DRIVER)), dac_additive)
+            OPT_DEFS += -DAUDIO_DRIVER_DAC
+        ## stm32f2 and above have a usable DAC unit, f1 do not, and need to use pwm instead
+        else ifeq ($(strip $(AUDIO_DRIVER)), pwm_software)
+            OPT_DEFS += -DAUDIO_DRIVER_PWM
+        else ifeq ($(strip $(AUDIO_DRIVER)), pwm_hardware)
+            OPT_DEFS += -DAUDIO_DRIVER_PWM
+        endif
+    else
+        # fallback for all other platforms is pwm
+        AUDIO_DRIVER ?= pwm_hardware
+        OPT_DEFS += -DAUDIO_DRIVER_PWM
+    endif
+    OPT_DEFS += -DAUDIO_ENABLE
+    MUSIC_ENABLE = yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_audio.c
+    SRC += $(QUANTUM_DIR)/process_keycode/process_clicky.c
+    SRC += $(QUANTUM_DIR)/audio/audio.c ## common audio code, hardware agnostic
+    SRC += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/audio_$(strip $(AUDIO_DRIVER)).c
+    SRC += $(QUANTUM_DIR)/audio/voices.c
+    SRC += $(QUANTUM_DIR)/audio/luts.c
+endif
+
+ifeq ($(strip $(SEQUENCER_ENABLE)), yes)
+    OPT_DEFS += -DSEQUENCER_ENABLE
+    MUSIC_ENABLE = yes
+    SRC += $(QUANTUM_DIR)/sequencer/sequencer.c
+    SRC += $(QUANTUM_DIR)/process_keycode/process_sequencer.c
+endif
+
+ifeq ($(strip $(MIDI_ENABLE)), yes)
+    OPT_DEFS += -DMIDI_ENABLE
+    MUSIC_ENABLE = yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
+endif
+
+MUSIC_ENABLE ?= no
+ifeq ($(MUSIC_ENABLE), yes)
+    SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
+endif
+
+ifeq ($(strip $(STENO_ENABLE)), yes)
+    OPT_DEFS += -DSTENO_ENABLE
+    VIRTSER_ENABLE ?= yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_steno.c
+endif
+
+ifeq ($(strip $(VIRTSER_ENABLE)), yes)
+    OPT_DEFS += -DVIRTSER_ENABLE
+endif
+
+ifeq ($(strip $(MOUSEKEY_ENABLE)), yes)
+    OPT_DEFS += -DMOUSEKEY_ENABLE
+    MOUSE_ENABLE := yes
+    SRC += $(QUANTUM_DIR)/mousekey.c
+endif
+
+VALID_POINTING_DEVICE_DRIVER_TYPES := adns5050 adns9800 analog_joystick cirque_pinnacle_i2c cirque_pinnacle_spi pmw3360 pmw3389 pimoroni_trackball custom
+ifeq ($(strip $(POINTING_DEVICE_ENABLE)), yes)
+    ifeq ($(filter $(POINTING_DEVICE_DRIVER),$(VALID_POINTING_DEVICE_DRIVER_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid POINTING_DEVICE_DRIVER,POINTING_DEVICE_DRIVER="$(POINTING_DEVICE_DRIVER)" is not a valid pointing device type)
+    else
+        OPT_DEFS += -DPOINTING_DEVICE_ENABLE
+        MOUSE_ENABLE := yes
+        SRC += $(QUANTUM_DIR)/pointing_device.c
+        SRC += $(QUANTUM_DIR)/pointing_device_drivers.c
+        ifneq ($(strip $(POINTING_DEVICE_DRIVER)), custom)
+            SRC += drivers/sensors/$(strip $(POINTING_DEVICE_DRIVER)).c
+            OPT_DEFS += -DPOINTING_DEVICE_DRIVER_$(strip $(shell echo $(POINTING_DEVICE_DRIVER) | tr '[:lower:]' '[:upper:]'))
+        endif
+        OPT_DEFS += -DPOINTING_DEVICE_DRIVER_$(strip $(POINTING_DEVICE_DRIVER))
+        ifeq ($(strip $(POINTING_DEVICE_DRIVER)), adns9800)
+            OPT_DEFS += -DSTM32_SPI -DHAL_USE_SPI=TRUE
+            QUANTUM_LIB_SRC += spi_master.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), analog_joystick)
+            OPT_DEFS += -DSTM32_ADC -DHAL_USE_ADC=TRUE
+            LIB_SRC += analog.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), cirque_pinnacle_i2c)
+            OPT_DEFS += -DSTM32_I2C -DHAL_USE_I2C=TRUE
+            SRC += drivers/sensors/cirque_pinnacle.c
+            QUANTUM_LIB_SRC += i2c_master.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), cirque_pinnacle_spi)
+            OPT_DEFS += -DSTM32_SPI -DHAL_USE_SPI=TRUE
+            SRC += drivers/sensors/cirque_pinnacle.c
+            QUANTUM_LIB_SRC += spi_master.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), pimoroni_trackball)
+            OPT_DEFS += -DSTM32_SPI -DHAL_USE_I2C=TRUE
+            QUANTUM_LIB_SRC += i2c_master.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), pmw3360)
+            OPT_DEFS += -DSTM32_SPI -DHAL_USE_SPI=TRUE
+            QUANTUM_LIB_SRC += spi_master.c
+        else ifeq ($(strip $(POINTING_DEVICE_DRIVER)), pmw3389)
+            OPT_DEFS += -DSTM32_SPI -DHAL_USE_SPI=TRUE
+            QUANTUM_LIB_SRC += spi_master.c
+        endif
+    endif
+endif
+
+VALID_EEPROM_DRIVER_TYPES := vendor custom transient i2c spi
+EEPROM_DRIVER ?= vendor
+ifeq ($(filter $(EEPROM_DRIVER),$(VALID_EEPROM_DRIVER_TYPES)),)
+  $(call CATASTROPHIC_ERROR,Invalid EEPROM_DRIVER,EEPROM_DRIVER="$(EEPROM_DRIVER)" is not a valid EEPROM driver)
+else
+  OPT_DEFS += -DEEPROM_ENABLE
+  ifeq ($(strip $(EEPROM_DRIVER)), custom)
+    # Custom EEPROM implementation -- only needs to implement init/erase/read_block/write_block
+    OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_CUSTOM
+    COMMON_VPATH += $(DRIVER_PATH)/eeprom
+    SRC += eeprom_driver.c
+  else ifeq ($(strip $(EEPROM_DRIVER)), i2c)
+    # External I2C EEPROM implementation
+    OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_I2C
+    COMMON_VPATH += $(DRIVER_PATH)/eeprom
+    QUANTUM_LIB_SRC += i2c_master.c
+    SRC += eeprom_driver.c eeprom_i2c.c
+  else ifeq ($(strip $(EEPROM_DRIVER)), spi)
+    # External SPI EEPROM implementation
+    OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_SPI
+    COMMON_VPATH += $(DRIVER_PATH)/eeprom
+    QUANTUM_LIB_SRC += spi_master.c
+    SRC += eeprom_driver.c eeprom_spi.c
+  else ifeq ($(strip $(EEPROM_DRIVER)), transient)
+    # Transient EEPROM implementation -- no data storage but provides runtime area for it
+    OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_TRANSIENT
+    COMMON_VPATH += $(DRIVER_PATH)/eeprom
+    SRC += eeprom_driver.c eeprom_transient.c
+  else ifeq ($(strip $(EEPROM_DRIVER)), vendor)
+    # Vendor-implemented EEPROM
+    OPT_DEFS += -DEEPROM_VENDOR
+    ifeq ($(PLATFORM),AVR)
+      # Automatically provided by avr-libc, nothing required
+    else ifeq ($(PLATFORM),CHIBIOS)
+      ifneq ($(filter STM32F3xx_% STM32F1xx_% %_STM32F401xC %_STM32F401xE %_STM32F405xG %_STM32F411xE %_STM32F072xB %_STM32F042x6 %_GD32VF103xB %_GD32VF103x8, $(MCU_SERIES)_$(MCU_LDSCRIPT)),)
+        # Emulated EEPROM
+        OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_STM32_FLASH_EMULATED
+        COMMON_VPATH += $(DRIVER_PATH)/eeprom
+        SRC += eeprom_driver.c
+        SRC += $(PLATFORM_COMMON_DIR)/eeprom_stm32.c
+        SRC += $(PLATFORM_COMMON_DIR)/flash_stm32.c
+      else ifneq ($(filter $(MCU_SERIES),STM32L0xx STM32L1xx),)
+        # True EEPROM on STM32L0xx, L1xx
+        OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_STM32_L0_L1
+        COMMON_VPATH += $(DRIVER_PATH)/eeprom
+        COMMON_VPATH += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/eeprom
+        SRC += eeprom_driver.c
+        SRC += eeprom_stm32_L0_L1.c
+      else ifneq ($(filter $(MCU_SERIES),KL2x K20x),)
+        # Teensy EEPROM implementations
+        OPT_DEFS += -DEEPROM_TEENSY
+        SRC += eeprom_teensy.c
+      else
+        # Fall back to transient, i.e. non-persistent
+        OPT_DEFS += -DEEPROM_DRIVER -DEEPROM_TRANSIENT
+        COMMON_VPATH += $(DRIVER_PATH)/eeprom
+        SRC += eeprom_driver.c eeprom_transient.c
+      endif
+    else ifeq ($(PLATFORM),ARM_ATSAM)
+      # arm_atsam EEPROM
+      OPT_DEFS += -DEEPROM_SAMD
+      SRC += $(PLATFORM_COMMON_DIR)/eeprom_samd.c
+    else ifeq ($(PLATFORM),TEST)
+      # Test harness "EEPROM"
+      OPT_DEFS += -DEEPROM_TEST_HARNESS
+      SRC += $(PLATFORM_COMMON_DIR)/eeprom.c
+    endif
+  endif
+endif
+
+RGBLIGHT_ENABLE ?= no
+VALID_RGBLIGHT_TYPES := WS2812 APA102 custom
+
+ifeq ($(strip $(RGBLIGHT_CUSTOM_DRIVER)), yes)
+    RGBLIGHT_DRIVER ?= custom
+endif
+
+ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
+    RGBLIGHT_DRIVER ?= WS2812
+
+    ifeq ($(filter $(RGBLIGHT_DRIVER),$(VALID_RGBLIGHT_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid RGBLIGHT_DRIVER,RGBLIGHT_DRIVER="$(RGBLIGHT_DRIVER)" is not a valid RGB type)
+    else
+        COMMON_VPATH += $(QUANTUM_DIR)/rgblight
+        POST_CONFIG_H += $(QUANTUM_DIR)/rgblight/rgblight_post_config.h
+        OPT_DEFS += -DRGBLIGHT_ENABLE
+        SRC += $(QUANTUM_DIR)/color.c
+        SRC += $(QUANTUM_DIR)/rgblight/rgblight.c
+        CIE1931_CURVE := yes
+        RGB_KEYCODES_ENABLE := yes
+    endif
+
+    ifeq ($(strip $(RGBLIGHT_DRIVER)), WS2812)
+        WS2812_DRIVER_REQUIRED := yes
+    endif
+
+    ifeq ($(strip $(RGBLIGHT_DRIVER)), APA102)
+        APA102_DRIVER_REQUIRED := yes
+    endif
+
+    ifeq ($(strip $(RGBLIGHT_DRIVER)), custom)
+        OPT_DEFS += -DRGBLIGHT_CUSTOM_DRIVER
+    endif
+endif
+
+LED_MATRIX_ENABLE ?= no
+VALID_LED_MATRIX_TYPES := IS31FL3731 IS31FL3742A IS31FL3743A IS31FL3745 IS31FL3746A custom
+# TODO: IS31FL3733 IS31FL3737 IS31FL3741
+
+ifeq ($(strip $(LED_MATRIX_ENABLE)), yes)
+    ifeq ($(filter $(LED_MATRIX_DRIVER),$(VALID_LED_MATRIX_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid LED_MATRIX_DRIVER,LED_MATRIX_DRIVER="$(LED_MATRIX_DRIVER)" is not a valid matrix type)
+    endif
+    OPT_DEFS += -DLED_MATRIX_ENABLE
+ifneq (,$(filter $(MCU), atmega16u2 atmega32u2 at90usb162))
+    # ATmegaxxU2 does not have hardware MUL instruction - lib8tion must be told to use software multiplication routines
+    OPT_DEFS += -DLIB8_ATTINY
+endif
+    COMMON_VPATH += $(QUANTUM_DIR)/led_matrix
+    COMMON_VPATH += $(QUANTUM_DIR)/led_matrix/animations
+    COMMON_VPATH += $(QUANTUM_DIR)/led_matrix/animations/runners
+    SRC += $(QUANTUM_DIR)/process_keycode/process_backlight.c
+    SRC += $(QUANTUM_DIR)/led_matrix/led_matrix.c
+    SRC += $(QUANTUM_DIR)/led_matrix/led_matrix_drivers.c
+    SRC += $(LIB_PATH)/lib8tion/lib8tion.c
+    CIE1931_CURVE := yes
+
+    ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3731)
+        OPT_DEFS += -DIS31FL3731 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3731-simple.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3742A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3742A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3743A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3743A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3745)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3745 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(LED_MATRIX_DRIVER)), IS31FL3746A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3746A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+endif
+
+RGB_MATRIX_ENABLE ?= no
+
+VALID_RGB_MATRIX_TYPES := AW20216 IS31FL3731 IS31FL3733 IS31FL3737 IS31FL3741 IS31FL3742A IS31FL3743A IS31FL3745 IS31FL3746A CKLED2001 WS2812 custom
+ifeq ($(strip $(RGB_MATRIX_ENABLE)), yes)
+    ifeq ($(filter $(RGB_MATRIX_DRIVER),$(VALID_RGB_MATRIX_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid RGB_MATRIX_DRIVER,RGB_MATRIX_DRIVER="$(RGB_MATRIX_DRIVER)" is not a valid matrix type)
+    endif
+    OPT_DEFS += -DRGB_MATRIX_ENABLE
+ifneq (,$(filter $(MCU), atmega16u2 atmega32u2 at90usb162))
+    # ATmegaxxU2 does not have hardware MUL instruction - lib8tion must be told to use software multiplication routines
+    OPT_DEFS += -DLIB8_ATTINY
+endif
+    COMMON_VPATH += $(QUANTUM_DIR)/rgb_matrix
+    COMMON_VPATH += $(QUANTUM_DIR)/rgb_matrix/animations
+    COMMON_VPATH += $(QUANTUM_DIR)/rgb_matrix/animations/runners
+    SRC += $(QUANTUM_DIR)/color.c
+    SRC += $(QUANTUM_DIR)/rgb_matrix/rgb_matrix.c
+    SRC += $(QUANTUM_DIR)/rgb_matrix/rgb_matrix_drivers.c
+    SRC += $(LIB_PATH)/lib8tion/lib8tion.c
+    CIE1931_CURVE := yes
+    RGB_KEYCODES_ENABLE := yes
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), AW20216)
+        OPT_DEFS += -DAW20216 -DSTM32_SPI -DHAL_USE_SPI=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led
+        SRC += aw20216.c
+        QUANTUM_LIB_SRC += spi_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3731)
+        OPT_DEFS += -DIS31FL3731 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3731.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3733)
+        OPT_DEFS += -DIS31FL3733 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3733.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3737)
+        OPT_DEFS += -DIS31FL3737 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3737.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3741)
+        OPT_DEFS += -DIS31FL3741 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31fl3741.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3742A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3742A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3743A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3743A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3745)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3745 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+	ifeq ($(strip $(RGB_MATRIX_DRIVER)), IS31FL3746A)
+        OPT_DEFS += -DIS31FLCOMMON -DIS31FL3746A -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led/issi
+        SRC += is31flcommon.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), CKLED2001)
+        OPT_DEFS += -DCKLED2001 -DSTM32_I2C -DHAL_USE_I2C=TRUE
+        COMMON_VPATH += $(DRIVER_PATH)/led
+        SRC += ckled2001.c
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), WS2812)
+        OPT_DEFS += -DWS2812
+        WS2812_DRIVER_REQUIRED := yes
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_DRIVER)), APA102)
+        OPT_DEFS += -DAPA102
+        APA102_DRIVER_REQUIRED := yes
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_CUSTOM_KB)), yes)
+        OPT_DEFS += -DRGB_MATRIX_CUSTOM_KB
+    endif
+
+    ifeq ($(strip $(RGB_MATRIX_CUSTOM_USER)), yes)
+        OPT_DEFS += -DRGB_MATRIX_CUSTOM_USER
+    endif
+endif
+
+ifeq ($(strip $(RGB_KEYCODES_ENABLE)), yes)
+    SRC += $(QUANTUM_DIR)/process_keycode/process_rgb.c
+endif
+
+ifeq ($(strip $(PRINTING_ENABLE)), yes)
+    OPT_DEFS += -DPRINTING_ENABLE
+    SRC += $(QUANTUM_DIR)/process_keycode/process_printer.c
+    QUANTUM_LIB_SRC += uart.c
+endif
+
+VARIABLE_TRACE ?= no
+ifneq ($(strip $(VARIABLE_TRACE)),no)
+    SRC += $(QUANTUM_DIR)/variable_trace.c
+    OPT_DEFS += -DNUM_TRACED_VARIABLES=$(strip $(VARIABLE_TRACE))
+    ifneq ($(strip $(MAX_VARIABLE_TRACE_SIZE)),)
+        OPT_DEFS += -DMAX_VARIABLE_TRACE_SIZE=$(strip $(MAX_VARIABLE_TRACE_SIZE))
+    endif
+endif
+
+ifeq ($(strip $(SLEEP_LED_ENABLE)), yes)
+    SRC += $(PLATFORM_COMMON_DIR)/sleep_led.c
+    OPT_DEFS += -DSLEEP_LED_ENABLE
+
+    NO_SUSPEND_POWER_DOWN := yes
+endif
+
+VALID_BACKLIGHT_TYPES := pwm timer software custom
+
+BACKLIGHT_ENABLE ?= no
+ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
+    BACKLIGHT_DRIVER ?= software
+else
+    BACKLIGHT_DRIVER ?= pwm
+endif
+ifeq ($(strip $(BACKLIGHT_ENABLE)), yes)
+    ifeq ($(filter $(BACKLIGHT_DRIVER),$(VALID_BACKLIGHT_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid BACKLIGHT_DRIVER,BACKLIGHT_DRIVER="$(BACKLIGHT_DRIVER)" is not a valid backlight type)
+    endif
+
+    COMMON_VPATH += $(QUANTUM_DIR)/backlight
+    SRC += $(QUANTUM_DIR)/backlight/backlight.c
+    SRC += $(QUANTUM_DIR)/process_keycode/process_backlight.c
+    OPT_DEFS += -DBACKLIGHT_ENABLE
+
+    ifeq ($(strip $(BACKLIGHT_DRIVER)), custom)
+        OPT_DEFS += -DBACKLIGHT_CUSTOM_DRIVER
+    else
+        SRC += $(QUANTUM_DIR)/backlight/backlight_driver_common.c
+        ifeq ($(strip $(BACKLIGHT_DRIVER)), pwm)
+            SRC += $(QUANTUM_DIR)/backlight/backlight_$(PLATFORM_KEY).c
+        else
+            SRC += $(QUANTUM_DIR)/backlight/backlight_$(strip $(BACKLIGHT_DRIVER)).c
+        endif
+    endif
+endif
+
+VALID_WS2812_DRIVER_TYPES := bitbang pwm spi i2c
+
+WS2812_DRIVER ?= bitbang
+ifeq ($(strip $(WS2812_DRIVER_REQUIRED)), yes)
+    ifeq ($(filter $(WS2812_DRIVER),$(VALID_WS2812_DRIVER_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid WS2812_DRIVER,WS2812_DRIVER="$(WS2812_DRIVER)" is not a valid WS2812 driver)
+    endif
+
+    OPT_DEFS += -DWS2812_DRIVER_$(strip $(shell echo $(WS2812_DRIVER) | tr '[:lower:]' '[:upper:]'))
+
+    ifeq ($(strip $(WS2812_DRIVER)), bitbang)
+        SRC += ws2812.c
+    else
+        SRC += ws2812_$(strip $(WS2812_DRIVER)).c
+
+        ifeq ($(strip $(PLATFORM)), CHIBIOS)
+            ifeq ($(strip $(WS2812_DRIVER)), pwm)
+                OPT_DEFS += -DSTM32_DMA_REQUIRED=TRUE
+            endif
+        endif
+    endif
+
+    # add extra deps
+    ifeq ($(strip $(WS2812_DRIVER)), i2c)
+        QUANTUM_LIB_SRC += i2c_master.c
+    endif
+endif
+
+ifeq ($(strip $(APA102_DRIVER_REQUIRED)), yes)
+    COMMON_VPATH += $(DRIVER_PATH)/led
+    SRC += apa102.c
+endif
+
+ifeq ($(strip $(CIE1931_CURVE)), yes)
+    OPT_DEFS += -DUSE_CIE1931_CURVE
+    LED_TABLES := yes
+endif
+
+ifeq ($(strip $(LED_TABLES)), yes)
+    SRC += $(QUANTUM_DIR)/led_tables.c
+endif
+
+ifeq ($(strip $(TERMINAL_ENABLE)), yes)
+    SRC += $(QUANTUM_DIR)/process_keycode/process_terminal.c
+    OPT_DEFS += -DTERMINAL_ENABLE
+    OPT_DEFS += -DUSER_PRINT
+endif
+
+ifeq ($(strip $(VIA_ENABLE)), yes)
+    DYNAMIC_KEYMAP_ENABLE := yes
+    RAW_ENABLE := yes
+    BOOTMAGIC_ENABLE := yes
+    SRC += $(QUANTUM_DIR)/via.c
+    OPT_DEFS += -DVIA_ENABLE
+endif
+
+VALID_MAGIC_TYPES := yes
+BOOTMAGIC_ENABLE ?= no
+ifneq ($(strip $(BOOTMAGIC_ENABLE)), no)
+  ifeq ($(filter $(BOOTMAGIC_ENABLE),$(VALID_MAGIC_TYPES)),)
+    $(call CATASTROPHIC_ERROR,Invalid BOOTMAGIC_ENABLE,BOOTMAGIC_ENABLE="$(BOOTMAGIC_ENABLE)" is not a valid type of magic)
+  endif
+  ifneq ($(strip $(BOOTMAGIC_ENABLE)), no)
+      OPT_DEFS += -DBOOTMAGIC_LITE
+      QUANTUM_SRC += $(QUANTUM_DIR)/bootmagic/bootmagic_lite.c
+  endif
+endif
+COMMON_VPATH += $(QUANTUM_DIR)/bootmagic
+QUANTUM_SRC += $(QUANTUM_DIR)/bootmagic/magic.c
+
+VALID_CUSTOM_MATRIX_TYPES:= yes lite no
+
+CUSTOM_MATRIX ?= no
+
+ifneq ($(strip $(CUSTOM_MATRIX)), yes)
+    ifeq ($(filter $(CUSTOM_MATRIX),$(VALID_CUSTOM_MATRIX_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid CUSTOM_MATRIX,CUSTOM_MATRIX="$(CUSTOM_MATRIX)" is not a valid custom matrix type)
+    endif
+
+    # Include common stuff for all non custom matrix users
+    QUANTUM_SRC += $(QUANTUM_DIR)/matrix_common.c
+
+    # if 'lite' then skip the actual matrix implementation
+    ifneq ($(strip $(CUSTOM_MATRIX)), lite)
+        # Include the standard or split matrix code if needed
+        QUANTUM_SRC += $(QUANTUM_DIR)/matrix.c
+    endif
+endif
+
+# Debounce Modules. Set DEBOUNCE_TYPE=custom if including one manually.
+DEBOUNCE_TYPE ?= sym_defer_g
+ifneq ($(strip $(DEBOUNCE_TYPE)), custom)
+    QUANTUM_SRC += $(QUANTUM_DIR)/debounce/$(strip $(DEBOUNCE_TYPE)).c
+endif
+
+ifeq ($(strip $(SPLIT_KEYBOARD)), yes)
+    POST_CONFIG_H += $(QUANTUM_DIR)/split_common/post_config.h
+    OPT_DEFS += -DSPLIT_KEYBOARD
+    CRC_ENABLE := yes
+
+    # Include files used by all split keyboards
+    QUANTUM_SRC += $(QUANTUM_DIR)/split_common/split_util.c
+
+    # Determine which (if any) transport files are required
+    ifneq ($(strip $(SPLIT_TRANSPORT)), custom)
+        QUANTUM_SRC += $(QUANTUM_DIR)/split_common/transport.c \
+                       $(QUANTUM_DIR)/split_common/transactions.c
+
+        OPT_DEFS += -DSPLIT_COMMON_TRANSACTIONS
+
+        # Functions added via QUANTUM_LIB_SRC are only included in the final binary if they're called.
+        # Unused functions are pruned away, which is why we can add multiple drivers here without bloat.
+        ifeq ($(PLATFORM),AVR)
+            ifneq ($(NO_I2C),yes)
+                QUANTUM_LIB_SRC += i2c_master.c \
+                                   i2c_slave.c
+            endif
+        endif
+
+        SERIAL_DRIVER ?= bitbang
+        OPT_DEFS += -DSERIAL_DRIVER_$(strip $(shell echo $(SERIAL_DRIVER) | tr '[:lower:]' '[:upper:]'))
+        ifeq ($(strip $(SERIAL_DRIVER)), bitbang)
+            QUANTUM_LIB_SRC += serial.c
+        else
+            QUANTUM_LIB_SRC += serial_$(strip $(SERIAL_DRIVER)).c
+        endif
+    endif
+    COMMON_VPATH += $(QUANTUM_PATH)/split_common
+endif
+
+ifeq ($(strip $(CRC_ENABLE)), yes)
+    OPT_DEFS += -DCRC_ENABLE
+    SRC += crc.c
+endif
+
+ifeq ($(strip $(HAPTIC_ENABLE)),yes)
+    COMMON_VPATH += $(DRIVER_PATH)/haptic
+
+    ifneq ($(filter DRV2605L, $(HAPTIC_DRIVER)), )
+        SRC += DRV2605L.c
+        QUANTUM_LIB_SRC += i2c_master.c
+        OPT_DEFS += -DDRV2605L
+    endif
+
+    ifneq ($(filter SOLENOID, $(HAPTIC_DRIVER)), )
+        SRC += solenoid.c
+        OPT_DEFS += -DSOLENOID_ENABLE
+    endif
+endif
+
+ifeq ($(strip $(HD44780_ENABLE)), yes)
+    SRC += platforms/avr/drivers/hd44780.c
+    OPT_DEFS += -DHD44780_ENABLE
+endif
+
+VALID_OLED_DRIVER_TYPES := SSD1306 custom
+OLED_DRIVER ?= SSD1306
+ifeq ($(strip $(OLED_ENABLE)), yes)
+    ifeq ($(filter $(OLED_DRIVER),$(VALID_OLED_DRIVER_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid OLED_DRIVER,OLED_DRIVER="$(OLED_DRIVER)" is not a valid OLED driver)
+    else
+        OPT_DEFS += -DOLED_ENABLE
+        COMMON_VPATH += $(DRIVER_PATH)/oled
+
+        OPT_DEFS += -DOLED_DRIVER_$(strip $(shell echo $(OLED_DRIVER) | tr '[:lower:]' '[:upper:]'))
+        ifeq ($(strip $(OLED_DRIVER)), SSD1306)
+            SRC += ssd1306_sh1106.c
+            QUANTUM_LIB_SRC += i2c_master.c
+        endif
+    endif
+endif
+
+ifeq ($(strip $(ST7565_ENABLE)), yes)
+    OPT_DEFS += -DST7565_ENABLE
+    COMMON_VPATH += $(DRIVER_PATH)/oled # For glcdfont.h
+    COMMON_VPATH += $(DRIVER_PATH)/lcd
+    QUANTUM_LIB_SRC += spi_master.c
+    SRC += st7565.c
+endif
+
+ifeq ($(strip $(UCIS_ENABLE)), yes)
+    OPT_DEFS += -DUCIS_ENABLE
+    UNICODE_COMMON := yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_ucis.c
+endif
+
+ifeq ($(strip $(UNICODEMAP_ENABLE)), yes)
+    OPT_DEFS += -DUNICODEMAP_ENABLE
+    UNICODE_COMMON := yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_unicodemap.c
+endif
+
+ifeq ($(strip $(UNICODE_ENABLE)), yes)
+    OPT_DEFS += -DUNICODE_ENABLE
+    UNICODE_COMMON := yes
+    SRC += $(QUANTUM_DIR)/process_keycode/process_unicode.c
+endif
+
+ifeq ($(strip $(UNICODE_COMMON)), yes)
+    OPT_DEFS += -DUNICODE_COMMON_ENABLE
+    SRC += $(QUANTUM_DIR)/process_keycode/process_unicode_common.c
+endif
+
+MAGIC_ENABLE ?= yes
+ifeq ($(strip $(MAGIC_ENABLE)), yes)
+    SRC += $(QUANTUM_DIR)/process_keycode/process_magic.c
+    OPT_DEFS += -DMAGIC_KEYCODE_ENABLE
+endif
+
+ifeq ($(strip $(AUTO_SHIFT_ENABLE)), yes)
+    SRC += $(QUANTUM_DIR)/process_keycode/process_auto_shift.c
+    OPT_DEFS += -DAUTO_SHIFT_ENABLE
+    ifeq ($(strip $(AUTO_SHIFT_MODIFIERS)), yes)
+        OPT_DEFS += -DAUTO_SHIFT_MODIFIERS
+    endif
+endif
+
+ifeq ($(strip $(PS2_MOUSE_ENABLE)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_mouse.c
+    OPT_DEFS += -DPS2_MOUSE_ENABLE
+    OPT_DEFS += -DMOUSE_ENABLE
+endif
+
+ifeq ($(strip $(PS2_USE_BUSYWAIT)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_busywait.c
+    SRC += ps2_io_avr.c
+    OPT_DEFS += -DPS2_USE_BUSYWAIT
+endif
+
+ifeq ($(strip $(PS2_USE_INT)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_interrupt.c
+    SRC += ps2_io.c
+    OPT_DEFS += -DPS2_USE_INT
+endif
+
+ifeq ($(strip $(PS2_USE_USART)), yes)
+    PS2_ENABLE := yes
+    SRC += ps2_usart.c
+    SRC += ps2_io.c
+    OPT_DEFS += -DPS2_USE_USART
+endif
+
+ifeq ($(strip $(PS2_ENABLE)), yes)
+    COMMON_VPATH += $(DRIVER_PATH)/ps2
+    COMMON_VPATH += $(PLATFORM_PATH)/$(PLATFORM_KEY)/$(DRIVER_DIR)/ps2
+    OPT_DEFS += -DPS2_ENABLE
+endif
+
+JOYSTICK_ENABLE ?= no
+VALID_JOYSTICK_TYPES := analog digital
+JOYSTICK_DRIVER ?= analog
+ifeq ($(strip $(JOYSTICK_ENABLE)), yes)
+    ifeq ($(filter $(JOYSTICK_DRIVER),$(VALID_JOYSTICK_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid JOYSTICK_DRIVER,JOYSTICK_DRIVER="$(JOYSTICK_DRIVER)" is not a valid joystick driver)
+    endif
+    OPT_DEFS += -DJOYSTICK_ENABLE
+    SRC += $(QUANTUM_DIR)/process_keycode/process_joystick.c
+    SRC += $(QUANTUM_DIR)/joystick.c
+
+    ifeq ($(strip $(JOYSTICK_DRIVER)), analog)
+        OPT_DEFS += -DANALOG_JOYSTICK_ENABLE
+        SRC += analog.c
+    endif
+    ifeq ($(strip $(JOYSTICK_DRIVER)), digital)
+        OPT_DEFS += -DDIGITAL_JOYSTICK_ENABLE
+    endif
+endif
+
+USBPD_ENABLE ?= no
+VALID_USBPD_DRIVER_TYPES = custom vendor
+USBPD_DRIVER ?= vendor
+ifeq ($(strip $(USBPD_ENABLE)), yes)
+    ifeq ($(filter $(strip $(USBPD_DRIVER)),$(VALID_USBPD_DRIVER_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid USBPD_DRIVER,USBPD_DRIVER="$(USBPD_DRIVER)" is not a valid USBPD driver)
+    else
+        OPT_DEFS += -DUSBPD_ENABLE
+        ifeq ($(strip $(USBPD_DRIVER)), vendor)
+            # Vendor-specific implementations
+            OPT_DEFS += -DUSBPD_VENDOR
+            ifeq ($(strip $(MCU_SERIES)), STM32G4xx)
+                OPT_DEFS += -DUSBPD_STM32G4
+                SRC += usbpd_stm32g4.c
+            else
+                $(call CATASTROPHIC_ERROR,Invalid USBPD_DRIVER,There is no vendor-provided USBPD driver available)
+            endif
+        else ifeq ($(strip $(USBPD_DRIVER)), custom)
+            OPT_DEFS += -DUSBPD_CUSTOM
+            # Board designers can add their own driver to $(SRC)
+        endif
+    endif
+endif
+
+BLUETOOTH_ENABLE ?= no
+VALID_BLUETOOTH_DRIVER_TYPES := BluefruitLE RN42 custom
+ifeq ($(strip $(BLUETOOTH_ENABLE)), yes)
+    ifeq ($(filter $(strip $(BLUETOOTH_DRIVER)),$(VALID_BLUETOOTH_DRIVER_TYPES)),)
+        $(call CATASTROPHIC_ERROR,Invalid BLUETOOTH_DRIVER,BLUETOOTH_DRIVER="$(BLUETOOTH_DRIVER)" is not a valid Bluetooth driver type)
+    endif
+    OPT_DEFS += -DBLUETOOTH_ENABLE
+    NO_USB_STARTUP_CHECK := yes
+    COMMON_VPATH += $(DRIVER_PATH)/bluetooth
+    SRC += outputselect.c
+
+    ifeq ($(strip $(BLUETOOTH_DRIVER)), BluefruitLE)
+        OPT_DEFS += -DBLUETOOTH_BLUEFRUIT_LE
+        SRC += analog.c
+        SRC += $(DRIVER_PATH)/bluetooth/bluefruit_le.cpp
+        QUANTUM_LIB_SRC += spi_master.c
+    endif
+
+    ifeq ($(strip $(BLUETOOTH_DRIVER)), RN42)
+        OPT_DEFS += -DBLUETOOTH_RN42
+        SRC += $(DRIVER_PATH)/bluetooth/rn42.c
+        QUANTUM_LIB_SRC += uart.c
+    endif
+endif
diff --git a/builddefs/common_rules.mk b/builddefs/common_rules.mk
new file mode 100644
index 0000000000..b303a87919
--- /dev/null
+++ b/builddefs/common_rules.mk
@@ -0,0 +1,523 @@
+# Hey Emacs, this is a -*- makefile -*-
+#----------------------------------------------------------------------------
+# WinAVR Makefile Template written by Eric B. Weddington, Jg Wunsch, et al.
+#
+# Released to the Public Domain
+#
+# Additional material for this makefile was written by:
+# Peter Fleury
+# Tim Henigan
+# Colin O'Flynn
+# Reiner Patommel
+# Markus Pfaff
+# Sander Pool
+# Frederik Rouleau
+# Carlos Lamas
+#
+
+# Enable vpath seraching for source files only
+# Without this, output files, could be read from the wrong .build directories
+VPATH_SRC := $(VPATH)
+vpath %.c $(VPATH_SRC)
+vpath %.h $(VPATH_SRC)
+vpath %.cpp $(VPATH_SRC)
+vpath %.cc $(VPATH_SRC)
+vpath %.hpp $(VPATH_SRC)
+vpath %.S $(VPATH_SRC)
+VPATH :=
+
+# Convert all SRC to OBJ
+define OBJ_FROM_SRC
+$(patsubst %.c,$1/%.o,$(patsubst %.cpp,$1/%.o,$(patsubst %.cc,$1/%.o,$(patsubst %.S,$1/%.o,$(patsubst %.clib,$1/%.a,$($1_SRC))))))
+endef
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(OUTPUT)_OBJ +=$(call OBJ_FROM_SRC,$(OUTPUT))))
+
+# Define a list of all objects
+OBJ := $(foreach OUTPUT,$(OUTPUTS),$($(OUTPUT)_OBJ))
+NO_LTO_OBJ := $(filter %.a,$(OBJ))
+
+MASTER_OUTPUT := $(firstword $(OUTPUTS))
+
+
+
+# Output format. (can be srec, ihex, binary)
+FORMAT = ihex
+
+# Optimization level, can be [0, 1, 2, 3, s].
+#     0 = turn off optimization. s = optimize for size.
+#     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+OPT ?= s
+
+# Compiler flag to set the C Standard level.
+#     c89   = "ANSI" C
+#     gnu89 = c89 plus GCC extensions
+#     c99   = ISO C99 standard (not yet fully implemented)
+#     gnu99 = c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+
+
+# Place -D or -U options here for C sources
+#CDEFS +=
+
+
+# Place -D or -U options here for ASM sources
+#ADEFS +=
+
+
+# Place -D or -U options here for C++ sources
+#CXXDEFS += -D__STDC_LIMIT_MACROS
+#CXXDEFS += -D__STDC_CONSTANT_MACROS
+#CXXDEFS +=
+
+# Speed up recompilations by opt-in usage of ccache
+USE_CCACHE ?= no
+ifneq ($(USE_CCACHE),no)
+    CC_PREFIX ?= ccache
+endif
+
+#---------------- Compiler Options C ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+ifeq ($(strip $(LTO_ENABLE)), yes)
+    ifeq ($(PLATFORM),CHIBIOS)
+        $(info Enabling LTO on ChibiOS-targeting boards is known to have a high likelihood of failure.)
+        $(info If unsure, set LTO_ENABLE = no.)
+    endif
+    CDEFS += -flto
+    CDEFS += -DLTO_ENABLE
+endif
+
+DEBUG_ENABLE ?= yes
+ifeq ($(strip $(SKIP_DEBUG_INFO)),yes)
+  DEBUG_ENABLE=no
+endif
+
+ifeq ($(strip $(DEBUG_ENABLE)),yes)
+  CFLAGS += -g$(DEBUG)
+endif
+CFLAGS += $(CDEFS)
+CFLAGS += -O$(OPT)
+# add color
+ifeq ($(COLOR),true)
+ifeq ("$(shell echo "int main(){}" | $(CC) -fdiagnostics-color -x c - -o /dev/null 2>&1)", "")
+	CFLAGS+= -fdiagnostics-color
+endif
+endif
+CFLAGS += -Wall
+CFLAGS += -Wstrict-prototypes
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+    CFLAGS += -Werror
+endif
+#CFLAGS += -mshort-calls
+#CFLAGS += -fno-unit-at-a-time
+#CFLAGS += -Wundef
+#CFLAGS += -Wunreachable-code
+#CFLAGS += -Wsign-compare
+CFLAGS += $(CSTANDARD)
+
+# This fixes lots of keyboards linking errors but SHOULDN'T BE A FINAL SOLUTION
+# Fixing of multiple variable definitions must be made.
+CFLAGS += -fcommon
+
+#---------------- Compiler Options C++ ----------------
+#  -g*:          generate debugging information
+#  -O*:          optimization level
+#  -f...:        tuning, see GCC manual and avr-libc documentation
+#  -Wall...:     warning level
+#  -Wa,...:      tell GCC to pass this to the assembler.
+ifeq ($(strip $(DEBUG_ENABLE)),yes)
+  CXXFLAGS += -g$(DEBUG)
+endif
+CXXFLAGS += $(CXXDEFS)
+CXXFLAGS += -O$(OPT)
+# to supress "warning: only initialized variables can be placed into program memory area"
+CXXFLAGS += -w
+CXXFLAGS += -Wall
+CXXFLAGS += -Wundef
+
+ifneq ($(strip $(ALLOW_WARNINGS)), yes)
+    CXXFLAGS += -Werror
+endif
+#CXXFLAGS += -mshort-calls
+#CXXFLAGS += -fno-unit-at-a-time
+#CXXFLAGS += -Wstrict-prototypes
+#CXXFLAGS += -Wunreachable-code
+#CXXFLAGS += -Wsign-compare
+#CXXFLAGS += $(CSTANDARD)
+
+#---------------- Assembler Options ----------------
+ASFLAGS += $(ADEFS)
+ifeq ($(VERBOSE_AS_CMD),yes)
+	ASFLAGS += -v
+endif
+
+#---------------- Library Options ----------------
+# Minimalistic printf version
+PRINTF_LIB_MIN = -Wl,-u,vfprintf -lprintf_min
+
+# Floating point printf version (requires MATH_LIB = -lm below)
+PRINTF_LIB_FLOAT = -Wl,-u,vfprintf -lprintf_flt
+
+# If this is left blank, then it will use the Standard printf version.
+PRINTF_LIB =
+#PRINTF_LIB = $(PRINTF_LIB_MIN)
+#PRINTF_LIB = $(PRINTF_LIB_FLOAT)
+
+
+# Minimalistic scanf version
+SCANF_LIB_MIN = -Wl,-u,vfscanf -lscanf_min
+
+# Floating point + %[ scanf version (requires MATH_LIB = -lm below)
+SCANF_LIB_FLOAT = -Wl,-u,vfscanf -lscanf_flt
+
+# If this is left blank, then it will use the Standard scanf version.
+SCANF_LIB =
+#SCANF_LIB = $(SCANF_LIB_MIN)
+#SCANF_LIB = $(SCANF_LIB_FLOAT)
+
+
+MATH_LIB = -lm
+CREATE_MAP ?= yes
+
+
+#---------------- Linker Options ----------------
+#  -Wl,...:     tell GCC to pass this to linker.
+#    -Map:      create map file
+#    --cref:    add cross reference to  map file
+#
+# Comennt out "--relax" option to avoid a error such:
+# 	(.vectors+0x30): relocation truncated to fit: R_AVR_13_PCREL against symbol `__vector_12'
+#
+
+ifeq ($(CREATE_MAP),yes)
+	LDFLAGS += -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref
+endif
+ifeq ($(VERBOSE_LD_CMD),yes)
+	LDFLAGS += -v
+endif
+#LDFLAGS += -Wl,--relax
+LDFLAGS += $(EXTMEMOPTS)
+LDFLAGS += $(patsubst %,-L%,$(EXTRALIBDIRS))
+LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB)
+#LDFLAGS += -T linker_script.x
+# You can give EXTRALDFLAGS at 'make' command line.
+LDFLAGS += $(EXTRALDFLAGS)
+
+#---------------- Assembler Listings ----------------
+#  -Wa,...:   tell GCC to pass this to the assembler.
+#  -adhlns:   create listing
+#  -gstabs:   have the assembler create line number information; note that
+#             for use in COFF files, additional information about filenames
+#             and function names needs to be present in the assembler source
+#             files -- see avr-libc docs [FIXME: not yet described there]
+#  -listing-cont-lines: Sets the maximum number of continuation lines of hex
+#       dump that will be displayed for a given single line of source input.
+
+ADHLNS_ENABLE ?= no
+ifeq ($(ADHLNS_ENABLE),yes)
+  # Avoid "Options to '-Xassembler' do not match" - only specify assembler options at LTO link time
+  ifeq ($(strip $(LTO_ENABLE)), yes)
+    LDFLAGS += -Wa,-adhlns=$(BUILD_DIR)/$(TARGET).lst
+  else
+    CFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+    CXXFLAGS += -Wa,-adhlns=$(@:%.o=%.lst)
+    ifeq ($(strip $(DEBUG_ENABLE)),yes)
+      ASFLAGS = -Wa,-adhlns=$(@:%.o=%.lst),-gstabs,--listing-cont-lines=100
+    else
+      ASFLAGS = -Wa,-adhlns=$(@:%.o=%.lst),--listing-cont-lines=100
+    endif
+  endif
+endif
+
+# Define programs and commands.
+SHELL = sh
+SED = sed
+REMOVE = rm -f
+REMOVEDIR = rmdir
+COPY = cp
+WINSHELL = cmd
+SECHO = $(SILENT) || echo
+MD5SUM ?= md5sum
+ifneq ($(filter Darwin FreeBSD,$(shell uname -s)),)
+  MD5SUM = md5
+endif
+
+# UF2 format settings
+# To produce a UF2 file in your build, add to your keyboard's rules.mk:
+#      FIRMWARE_FORMAT = uf2
+UF2CONV = $(TOP_DIR)/util/uf2conv.py
+UF2_FAMILY ?= 0x0
+
+# Compiler flags to generate dependency files.
+#GENDEPFLAGS = -MMD -MP -MF .dep/$(@F).d
+GENDEPFLAGS = -MMD -MP -MF $(patsubst %.o,%.td,$@)
+
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+# You can give extra flags at 'make' command line like: make EXTRAFLAGS=-DFOO=bar
+ALL_CFLAGS = $(MCUFLAGS) $(CFLAGS) $(EXTRAFLAGS)
+ALL_CXXFLAGS = $(MCUFLAGS) -x c++ $(CXXFLAGS) $(EXTRAFLAGS)
+ALL_ASFLAGS = $(MCUFLAGS) -x assembler-with-cpp $(ASFLAGS) $(EXTRAFLAGS)
+
+define NO_LTO
+$(patsubst %.a,%.o,$1): NOLTO_CFLAGS += -fno-lto
+endef
+$(foreach LOBJ, $(NO_LTO_OBJ), $(eval $(call NO_LTO,$(LOBJ))))
+
+MOVE_DEP = mv -f $(patsubst %.o,%.td,$@) $(patsubst %.o,%.d,$@)
+
+# For a ChibiOS build, ensure that the board files have the hook overrides injected
+define BOARDSRC_INJECT_HOOKS
+$(KEYBOARD_OUTPUT)/$(patsubst %.c,%.o,$(patsubst ./%,%,$1)): INIT_HOOK_CFLAGS += -include $(TOP_DIR)/tmk_core/protocol/chibios/init_hooks.h
+endef
+$(foreach LOBJ, $(BOARDSRC), $(eval $(call BOARDSRC_INJECT_HOOKS,$(LOBJ))))
+
+# Add QMK specific flags
+DFU_SUFFIX ?= dfu-suffix
+DFU_SUFFIX_ARGS ?=
+
+
+elf: $(BUILD_DIR)/$(TARGET).elf
+hex: $(BUILD_DIR)/$(TARGET).hex
+uf2: $(BUILD_DIR)/$(TARGET).uf2
+cpfirmware: $(FIRMWARE_FORMAT)
+	$(SILENT) || printf "Copying $(TARGET).$(FIRMWARE_FORMAT) to qmk_firmware folder" | $(AWK_CMD)
+	$(COPY) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT) $(TARGET).$(FIRMWARE_FORMAT) && $(PRINT_OK)
+eep: $(BUILD_DIR)/$(TARGET).eep
+lss: $(BUILD_DIR)/$(TARGET).lss
+sym: $(BUILD_DIR)/$(TARGET).sym
+LIBNAME=lib$(TARGET).a
+lib: $(LIBNAME)
+
+# Display size of file, modifying the output so people don't mistakenly grab the hex output
+BINARY_SIZE = $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(SED) -e 's/\.build\/.*$$/$(TARGET).$(FIRMWARE_FORMAT)/g'
+
+sizebefore:
+	@if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO) $(MSG_SIZE_BEFORE); $(SILENT) || $(BINARY_SIZE); \
+	2>/dev/null; $(SECHO); fi
+
+sizeafter: $(BUILD_DIR)/$(TARGET).hex
+	@if test -f $(BUILD_DIR)/$(TARGET).hex; then $(SECHO); $(SECHO) $(MSG_SIZE_AFTER); $(SILENT) || $(BINARY_SIZE); \
+	2>/dev/null; $(SECHO); fi
+
+# Display compiler version information.
+gccversion :
+	@$(SILENT) || $(CC) --version
+
+# Create final output files (.hex, .eep) from ELF output file.
+%.hex: %.elf
+	$(eval CMD=$(HEX) $< $@)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_FLASH) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.uf2: %.hex
+	$(eval CMD=$(UF2CONV) $(BUILD_DIR)/$(TARGET).hex -o $(BUILD_DIR)/$(TARGET).uf2 -c -f $(UF2_FAMILY) >/dev/null 2>&1)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_UF2) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.eep: %.elf
+	$(eval CMD=$(EEP) $< $@ || exit 0)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_EEPROM) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+# Create extended listing file from ELF output file.
+%.lss: %.elf
+	$(eval CMD=$(OBJDUMP) -h -S -z $< > $@)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_EXTENDED_LISTING) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+# Create a symbol table from ELF output file.
+%.sym: %.elf
+	$(eval CMD=$(NM) -n $< > $@ )
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_SYMBOL_TABLE) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+
+%.bin: %.elf
+	$(eval CMD=$(BIN) $< $@ || exit 0)
+	#@$(SILENT) || printf "$(MSG_EXECUTING) '$(CMD)':\n"
+	@$(SILENT) || printf "$(MSG_BIN) $@" | $(AWK_CMD)
+	@$(BUILD_CMD)
+	if [ ! -z "$(DFU_SUFFIX_ARGS)" ]; then \
+		$(DFU_SUFFIX) $(DFU_SUFFIX_ARGS) -a $(BUILD_DIR)/$(TARGET).bin 1>/dev/null ;\
+	fi
+	#$(SILENT) || printf "$(MSG_EXECUTING) '$(DFU_SUFFIX) $(DFU_SUFFIX_ARGS) -a $(BUILD_DIR)/$(TARGET).bin 1>/dev/null':\n" ;\
+	$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
+
+BEGIN = gccversion sizebefore
+
+# Link: create ELF output file from object files.
+.SECONDARY : $(BUILD_DIR)/$(TARGET).elf
+.PRECIOUS : $(OBJ)
+# Note the obj.txt depeendency is there to force linking if a source file is deleted
+%.elf: $(OBJ) $(MASTER_OUTPUT)/cflags.txt $(MASTER_OUTPUT)/ldflags.txt $(MASTER_OUTPUT)/obj.txt | $(BEGIN)
+	@$(SILENT) || printf "$(MSG_LINKING) $@" | $(AWK_CMD)
+	$(eval CMD=MAKE=$(MAKE) $(CC) $(ALL_CFLAGS) $(filter-out %.txt,$^) --output $@ $(LDFLAGS))
+	@$(BUILD_CMD)
+
+
+define GEN_OBJRULE
+$1_INCFLAGS := $$(patsubst %,-I%,$$($1_INC))
+ifdef $1_CONFIG
+$1_CONFIG_FLAGS += $$(patsubst %,-include %,$$($1_CONFIG))
+endif
+$1_CFLAGS = $$(ALL_CFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
+$1_CXXFLAGS = $$(ALL_CXXFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS) $$(NOLTO_CFLAGS)
+$1_ASFLAGS = $$(ALL_ASFLAGS) $$($1_DEFS) $$($1_INCFLAGS) $$($1_CONFIG_FLAGS)
+
+# Compile: create object files from C source files.
+$1/%.o : %.c $1/%.d $1/cflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING) $$<" | $$(AWK_CMD)
+	$$(eval CC_EXEC := $$(CC))
+    ifneq ($$(VERBOSE_C_CMD),)
+	$$(if $$(filter $$(notdir $$(VERBOSE_C_CMD)),$$(notdir $$<)),$$(eval CC_EXEC += -v))
+    endif
+    ifneq ($$(VERBOSE_C_INCLUDE),)
+	$$(if $$(filter $$(notdir $$(VERBOSE_C_INCLUDE)),$$(notdir $$<)),$$(eval CC_EXEC += -H))
+    endif
+	$$(eval CMD := $$(CC_EXEC) -c $$($1_CFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+    ifneq ($$(DUMP_C_MACROS),)
+	$$(eval CMD := $$(CC) -E -dM $$($1_CFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$<)
+	@$$(if $$(filter $$(notdir $$(DUMP_C_MACROS)),$$(notdir $$<)),$$(BUILD_CMD))
+    endif
+
+# Compile: create object files from C++ source files.
+$1/%.o : %.cpp $1/%.d $1/cxxflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING_CXX) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_CXXFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+
+$1/%.o : %.cc $1/%.d $1/cxxflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$$(SILENT) || printf "$$(MSG_COMPILING_CXX) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_CXXFLAGS) $$(INIT_HOOK_CFLAGS) $$(GENDEPFLAGS) $$< -o $$@ && $$(MOVE_DEP))
+	@$$(BUILD_CMD)
+
+# Assemble: create object files from assembler source files.
+$1/%.o : %.S $1/asflags.txt $1/compiler.txt | $(BEGIN)
+	@mkdir -p $$(@D)
+	@$(SILENT) || printf "$$(MSG_ASSEMBLING) $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(CC) -c $$($1_ASFLAGS) $$< -o $$@)
+	@$$(BUILD_CMD)
+
+$1/%.a : $1/%.o
+	@mkdir -p $$(@D)
+	@$(SILENT) || printf "Archiving: $$<" | $$(AWK_CMD)
+	$$(eval CMD=$$(AR) rcs $$@ $$<)
+	@$$(BUILD_CMD)
+
+$1/force:
+
+$1/cflags.txt: $1/force
+	echo '$$($1_CFLAGS)' | cmp -s - $$@ || echo '$$($1_CFLAGS)' > $$@
+
+$1/cxxflags.txt: $1/force
+	echo '$$($1_CXXFLAGS)' | cmp -s - $$@ || echo '$$($1_CXXFLAGS)' > $$@
+
+$1/asflags.txt: $1/force
+	echo '$$($1_ASFLAGS)' | cmp -s - $$@ || echo '$$($1_ASFLAGS)' > $$@
+
+$1/compiler.txt: $1/force
+	$$(CC) --version | cmp -s - $$@ || $$(CC) --version > $$@
+endef
+
+.PRECIOUS: $(MASTER_OUTPUT)/obj.txt
+$(MASTER_OUTPUT)/obj.txt: $(MASTER_OUTPUT)/force
+	echo '$(OBJ)' | cmp -s - $@ || echo '$(OBJ)' > $@
+
+.PRECIOUS: $(MASTER_OUTPUT)/ldflags.txt
+$(MASTER_OUTPUT)/ldflags.txt: $(MASTER_OUTPUT)/force
+	echo '$(LDFLAGS)' | cmp -s - $@ || echo '$(LDFLAGS)' > $@
+
+
+# We have to use static rules for the .d files for some reason
+DEPS = $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
+# Keep the .d files
+.PRECIOUS: $(DEPS)
+# Empty rule to force recompilation if the .d file is missing
+$(DEPS):
+
+
+$(foreach OUTPUT,$(OUTPUTS),$(eval $(call GEN_OBJRULE,$(OUTPUT))))
+
+# Create preprocessed source for use in sending a bug report.
+%.i : %.c | $(BEGIN)
+	$(CC) -E -mmcu=$(MCU) $(CFLAGS) $< -o $@
+
+# Target: clean project.
+clean:
+	$(foreach OUTPUT,$(OUTPUTS), $(REMOVE) -r $(OUTPUT) 2>/dev/null)
+	$(REMOVE) $(BUILD_DIR)/$(TARGET).*
+
+show_path:
+	@echo VPATH=$(VPATH)
+	@echo SRC=$(SRC)
+	@echo OBJ=$(OBJ)
+
+dump_vars: ERROR_IF_EMPTY=""
+dump_vars: ERROR_IF_NONBOOL=""
+dump_vars: ERROR_IF_UNSET=""
+dump_vars:
+	@$(foreach V,$(sort $(.VARIABLES)),$(if $(filter-out environment% default automatic,$(origin $V)),$(info $V=$($V))))
+
+objs-size:
+	for i in $(OBJ); do echo $$i; done | sort | xargs $(SIZE)
+
+ifeq ($(findstring avr-gcc,$(CC)),avr-gcc)
+SIZE_MARGIN = 1024
+
+check-size:
+	$(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) -D__ASSEMBLER__ $(CFLAGS) $(OPT_DEFS) platforms/avr/bootloader_size.c 2> /dev/null | $(SED) -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
+	$(eval CURRENT_SIZE=$(shell if [ -f $(BUILD_DIR)/$(TARGET).hex ]; then $(SIZE) --target=$(FORMAT) $(BUILD_DIR)/$(TARGET).hex | $(AWK) 'NR==2 {print $$4}'; else printf 0; fi))
+	$(eval FREE_SIZE=$(shell expr $(MAX_SIZE) - $(CURRENT_SIZE)))
+	$(eval OVER_SIZE=$(shell expr $(CURRENT_SIZE) - $(MAX_SIZE)))
+	$(eval PERCENT_SIZE=$(shell expr $(CURRENT_SIZE) \* 100 / $(MAX_SIZE)))
+	if [ $(MAX_SIZE) -gt 0 ] && [ $(CURRENT_SIZE) -gt 0 ]; then \
+		$(SILENT) || printf "$(MSG_CHECK_FILESIZE)" | $(AWK_CMD); \
+		if [ $(CURRENT_SIZE) -gt $(MAX_SIZE) ]; then \
+		    printf "\n * $(MSG_FILE_TOO_BIG)"; $(PRINT_ERROR_PLAIN); \
+		else \
+		    if [ $(FREE_SIZE) -lt $(SIZE_MARGIN) ]; then \
+			$(PRINT_WARNING_PLAIN); printf " * $(MSG_FILE_NEAR_LIMIT)"; \
+		    else \
+			$(PRINT_OK); $(SILENT) || printf " * $(MSG_FILE_JUST_RIGHT)"; \
+		    fi ; \
+		fi ; \
+	fi
+else
+check-size:
+	$(SILENT) || echo "$(MSG_CHECK_FILESIZE_SKIPPED)"
+endif
+
+check-md5:
+	$(MD5SUM) $(BUILD_DIR)/$(TARGET).$(FIRMWARE_FORMAT)
+
+# Create build directory
+$(shell mkdir -p $(BUILD_DIR) 2>/dev/null)
+
+# Create object files directory
+$(eval $(foreach OUTPUT,$(OUTPUTS),$(shell mkdir -p $(OUTPUT) 2>/dev/null)))
+
+# Include the dependency files.
+-include $(patsubst %.o,%.d,$(patsubst %.a,%.o,$(OBJ)))
+
+
+# Listing of phony targets.
+.PHONY : all dump_vars finish sizebefore sizeafter qmkversion \
+gccversion build elf hex uf2 eep lss sym coff extcoff \
+clean clean_list debug gdb-config show_path \
+program teensy dfu dfu-ee dfu-start \
+flash dfu-split-left dfu-split-right \
+avrdude-split-left avrdude-split-right \
+avrdude-loop usbasp
diff --git a/builddefs/testlist.mk b/builddefs/testlist.mk
new file mode 100644
index 0000000000..86da5668ac
--- /dev/null
+++ b/builddefs/testlist.mk
@@ -0,0 +1,19 @@
+TEST_LIST = $(sort $(patsubst %/test.mk,%, $(shell find $(ROOT_DIR)tests -type f -name test.mk)))
+FULL_TESTS := $(notdir $(TEST_LIST))
+
+include $(QUANTUM_PATH)/debounce/tests/testlist.mk
+include $(QUANTUM_PATH)/sequencer/tests/testlist.mk
+include $(PLATFORM_PATH)/test/testlist.mk
+
+define VALIDATE_TEST_LIST
+    ifneq ($1,)
+        ifeq ($$(findstring -,$1),-)
+            $$(call CATASTROPHIC_ERROR,Invalid test name,Test names can't contain '-', but '$1' does.)
+        else
+            $$(eval $$(call VALIDATE_TEST_LIST,$$(firstword $2),$$(wordlist 2,9999,$2)))
+        endif
+    endif
+endef
+
+
+$(eval $(call VALIDATE_TEST_LIST,$(firstword $(TEST_LIST)),$(wordlist 2,9999,$(TEST_LIST))))