-ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
- $(eval $(call NEXT_PATH_ELEMENT))
- KEYBOARD := $(CURRENT_PATH_ELEMENT)
- $(eval $(call NEXT_PATH_ELEMENT))
- ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
- $(eval $(call NEXT_PATH_ELEMENT))
- KEYMAP := $(CURRENT_PATH_ELEMENT)
- else ifneq ($(CURRENT_PATH_ELEMENT),)
- SUBPROJECT := $(CURRENT_PATH_ELEMENT)
- $(eval $(call NEXT_PATH_ELEMENT))
- ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
- $(eval $(call NEXT_PATH_ELEMENT))
- KEYMAP := $(CURRENT_PATH_ELEMENT)
- endif
- endif
-endif
+# This function sets the KEYBOARD; KEYMAP and SUBPROJECT to the correct
+# variables depending on which directory you stand in.
+# It's really a very simple if else chain, if you squint enough,
+# but the makefile syntax makes it very verbose.
+# If we are in a subfolder of keyboards
+#
+# *** No longer needed **
+#
+# ifeq ($(CURRENT_PATH_ELEMENT),keyboards)
+# $(eval $(call NEXT_PATH_ELEMENT))
+# KEYBOARD := $(CURRENT_PATH_ELEMENT)
+# $(eval $(call NEXT_PATH_ELEMENT))
+# # If we are in a subfolder of keymaps, or in other words in a keymap
+# # folder
+# ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
+# $(eval $(call NEXT_PATH_ELEMENT))
+# KEYMAP := $(CURRENT_PATH_ELEMENT)
+# # else if we are not in the keyboard folder itself
+# else ifneq ($(CURRENT_PATH_ELEMENT),)
+# # the we can assume it's a subproject, as no other folders
+# # should have make files in them
+# SUBPROJECT := $(CURRENT_PATH_ELEMENT)
+# $(eval $(call NEXT_PATH_ELEMENT))
+# # if we are inside a keymap folder of a subproject
+# ifeq ($(CURRENT_PATH_ELEMENT),keymaps)
+# $(eval $(call NEXT_PATH_ELEMENT))
+# KEYMAP := $(CURRENT_PATH_ELEMENT)
+# endif
+# endif
+# endif
+
+define GET_KEYBOARDS
+ All_RULES_MK := $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/rules.mk))
+ All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/rules.mk))
+ All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/rules.mk))
+ All_RULES_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/*/rules.mk))
+
+ KEYMAPS_MK := $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/keymaps/*/rules.mk))
+ KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/keymaps/*/rules.mk))
+ KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/keymaps/*/rules.mk))
+ KEYMAPS_MK += $$(patsubst $(ROOT_DIR)/keyboards/%/rules.mk,%,$$(wildcard $(ROOT_DIR)/keyboards/*/*/*/*/keymaps/*/rules.mk))
+
+ KEYBOARDS := $$(sort $$(filter-out $$(KEYMAPS_MK), $$(All_RULES_MK)))
+endef
+
+$(eval $(call GET_KEYBOARDS))