+ $(error Could not find keymap)
+ # this state should never be reached
+endif
+
+ifeq ($(strip $(CTPC)), yes)
+ CONVERT_TO_PROTON_C=yes
+endif
+
+ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
+ TARGET := $(TARGET)_proton_c
+ include $(STM32_PATH)/proton_c.mk
+ OPT_DEFS += -DCONVERT_TO_PROTON_C
+endif
+
+ifneq ($(FORCE_LAYOUT),)
+ TARGET := $(TARGET)_$(FORCE_LAYOUT)
+endif
+
+include quantum/mcu_selection.mk
+
+ifdef MCU_FAMILY
+ OPT_DEFS += -DQMK_STM32
+ KEYBOARD_PATHS += $(STM32_PATH)
+endif
+
+
+# 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
+#
+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