The insertion point for `$(patsubst %.c,%.clib,$(LIB_SRC))` must be after all normal `SRC += ..` . I modified it to be so.
Because LIB_SRC and SRC are assumed to be used in pairs. Similarly, QUANTUM_LIB_SRC and QUANTUM_SRC are assumed to be used in pairs.
endif
# # project specific files
-SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
SRC += $(KEYBOARD_SRC) \
$(KEYMAP_C) \
$(QUANTUM_SRC)
include $(TMK_PATH)/common.mk
include bootloader.mk
+SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
SRC += $(patsubst %.c,%.clib,$(QUANTUM_LIB_SRC))
SRC += $(TMK_COMMON_SRC)
OPT_DEFS += $(TMK_COMMON_DEFS)