Parsing of makefile variables from starting dir

1 files changed, 41 insertions, 281 deletions

diff --git a/Makefile b/Makefile
index 693edc9f06..fcd57754b5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,281 +1,41 @@
-ifndef VERBOSE
-.SILENT:
-endif
-
-.DEFAULT_GOAL := all
-
-space := $(subst ,, )
-ESCAPED_ABS_PATH = $(subst $(space),_SPACE_,$(abspath $1))
-starting_makefile := $(call ESCAPED_ABS_PATH,$(firstword $(MAKEFILE_LIST)))
-mkfile_path := $(call ESCAPED_ABS_PATH,$(lastword $(MAKEFILE_LIST))))
-abs_tmk_root := $(patsubst %/,%,$(dir $(mkfile_path)))
-
-ifneq (,$(findstring /keyboards/,$(starting_makefile)))
-	possible_keyboard:=$(patsubst %/,%,$(dir $(patsubst $(abs_tmk_root)/keyboards/%,%,$(starting_makefile))))
-	ifneq (,$(findstring /keymaps/,$(possible_keyboard)))
-		KEYMAP_DIR:=$(lastword $(subst /keymaps/, ,$(possible_keyboard)))
-		KEYBOARD_DIR:=$(firstword $(subst /keymaps/, ,$(possible_keyboard)))
-		ifneq (,$(findstring /,$(KEYBOARD_DIR)))
-			# SUBPROJECT_DIR:=$(lastword $(subst /, ,$(KEYBOARD_DIR)))
-			# KEYBOARD_DIR:=$(firstword $(subst /, ,$(KEYBOARD_DIR)))
-			tmk_root = ../../..
-		else
-			tmk_root = ../../../..
-		endif
-	else
-		KEYMAP_DIR:=default
-		KEYBOARD_DIR:=$(possible_keyboard)
-		ifneq (,$(findstring /,$(KEYBOARD_DIR)))
-			# SUBPROJECT_DIR:=$(lastword $(subst /, ,$(KEYBOARD_DIR)))
-			# KEYBOARD_DIR:=$(firstword $(subst /, ,$(KEYBOARD_DIR)))
-			tmk_root = ../../..
-		else
-			tmk_root = ../..
-		endif
-	endif
-else
-	tmk_root = .
-endif
-# $(info $(KEYBOARD_DIR))
-# $(info $(KEYMAP_DIR))
-# $(info $(SUBPROJECT_DIR))
-
-# Directory common source filess exist
-TOP_DIR = $(tmk_root)
-TMK_DIR = tmk_core
-TMK_PATH = $(TOP_DIR)/$(TMK_DIR)
-LIB_PATH = $(TOP_DIR)/lib
-
-QUANTUM_DIR = quantum
-QUANTUM_PATH = $(TOP_DIR)/$(QUANTUM_DIR)
-
-
-ifdef keyboard
-	KEYBOARD ?= $(keyboard)
-endif
-ifdef KEYBOARD_DIR
-	KEYBOARD ?= $(KEYBOARD_DIR)
-endif
-ifndef KEYBOARD
-	KEYBOARD=planck
-endif
-
-MASTER ?= left
-ifdef master
-	MASTER = $(master)
-endif
-
-
-# converts things to keyboards/subproject
-ifneq (,$(findstring /,$(KEYBOARD)))
-	TEMP:=$(KEYBOARD)
-	KEYBOARD:=$(firstword $(subst /, ,$(TEMP)))
-	SUBPROJECT:=$(lastword $(subst /, ,$(TEMP)))
-endif
-
-KEYBOARD_PATH = $(TOP_DIR)/keyboards/$(KEYBOARD)
-
-ifdef sub
-	SUBPROJECT=$(sub)
-endif
-ifdef subproject
-	SUBPROJECT=$(subproject)
-endif
-
-ifneq ("$(wildcard $(KEYBOARD_PATH)/$(KEYBOARD).c)","")
-	KEYBOARD_FILE = keyboards/$(KEYBOARD)/$(KEYBOARD).c
-	ifneq ($(call ESCAPED_ABS_PATH,$(KEYBOARD_PATH)/Makefile),$(starting_makefile))
-		-include $(KEYBOARD_PATH)/Makefile
-	endif
-else 
-$(error "$(KEYBOARD_PATH)/$(KEYBOARD).c" does not exist)
-endif
-
-ifdef SUBPROJECT_DEFAULT
-	SUBPROJECT?=$(SUBPROJECT_DEFAULT)
-endif
-
-ifdef SUBPROJECT
-	SUBPROJECT_PATH = $(TOP_DIR)/keyboards/$(KEYBOARD)/$(SUBPROJECT)
-	ifneq ("$(wildcard $(SUBPROJECT_PATH)/$(SUBPROJECT).c)","")
-		OPT_DEFS += -DSUBPROJECT_$(SUBPROJECT)
-		SUBPROJECT_FILE = keyboards/$(KEYBOARD)/$(SUBPROJECT)/$(SUBPROJECT).c
-		ifneq ($(call ESCAPED_ABS_PATH,$(SUBPROJECT_PATH)/Makefile),$(starting_makefile))
-			-include $(SUBPROJECT_PATH)/Makefile
-		endif
-	else 
-$(error "$(SUBPROJECT_PATH)/$(SUBPROJECT).c" does not exist)
-	endif
-endif
-
-ifdef keymap
-	KEYMAP ?= $(keymap)
-endif
-ifdef KEYMAP_DIR
-	KEYMAP ?= $(KEYMAP_DIR)
-endif
-ifndef KEYMAP
-	KEYMAP = default
-endif
-KEYMAP_PATH = $(KEYBOARD_PATH)/keymaps/$(KEYMAP)
-ifneq ("$(wildcard $(KEYMAP_PATH)/keymap.c)","")
-	KEYMAP_FILE = keyboards/$(KEYBOARD)/keymaps/$(KEYMAP)/keymap.c
-	ifneq ($(call ESCAPED_ABS_PATH,$(KEYMAP_PATH)/Makefile),$(starting_makefile))
-		-include $(KEYMAP_PATH)/Makefile
-	endif
-else 
-	ifeq ("$(wildcard $(SUBPROJECT_PATH)/keymaps/$(KEYMAP)/keymap.c)","")
-$(error "$(KEYMAP_PATH)/keymap.c" does not exist)
-	else
-		KEYMAP_PATH = $(SUBPROJECT_PATH)/keymaps/$(KEYMAP)
-		KEYMAP_FILE = keyboards/$(KEYBOARD)/$(SUBPROJECT)/keymaps/$(KEYMAP)/keymap.c
-		ifneq ($(call ESCAPED_ABS_PATH,$(KEYMAP_PATH)/Makefile),$(starting_makefile))
-			-include $(KEYMAP_PATH)/Makefile
-		endif
-	endif
-endif
-
-ifdef SUBPROJECT
-	TARGET ?= $(KEYBOARD)_$(SUBPROJECT)_$(KEYMAP)
-else
-	TARGET ?= $(KEYBOARD)_$(KEYMAP)
-endif
-
-BUILD_DIR = $(TOP_DIR)/.build
-
-# Object files directory
-#     To put object files in current directory, use a dot (.), do NOT make
-#     this an empty or blank macro!
-OBJDIR = $(BUILD_DIR)/obj_$(TARGET)
-
-
-
-ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
-	CONFIG_H = $(KEYMAP_PATH)/config.h
-else
-	CONFIG_H = $(KEYBOARD_PATH)/config.h
-	ifdef SUBPROJECT
-		ifneq ("$(wildcard $(SUBPROJECT_PATH)/$(SUBPROJECT).c)","")
-			CONFIG_H = $(SUBPROJECT_PATH)/config.h
-		endif
-	endif
-endif
-
-# # project specific files
-SRC += $(KEYBOARD_FILE) \
-	$(KEYMAP_FILE) \
-	$(QUANTUM_DIR)/quantum.c \
-	$(QUANTUM_DIR)/keymap_common.c \
-	$(QUANTUM_DIR)/keycode_config.c \
-	$(QUANTUM_DIR)/process_keycode/process_leader.c
-
-ifdef SUBPROJECT
-	SRC += $(SUBPROJECT_FILE)
-endif
-
-ifdef SUBPROJECT
-	SRC += $(SUBPROJECT_FILE)
-endif
-
-ifdef SUBPROJECT
-	SRC += $(SUBPROJECT_FILE)
-endif
-
-ifndef CUSTOM_MATRIX
-	SRC += $(QUANTUM_DIR)/matrix.c
-endif
-
-ifeq ($(strip $(MIDI_ENABLE)), yes)
-    OPT_DEFS += -DMIDI_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_midi.c
-endif
-
-ifeq ($(strip $(AUDIO_ENABLE)), yes)
-    OPT_DEFS += -DAUDIO_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_music.c
-	SRC += $(QUANTUM_DIR)/audio/audio.c
-	SRC += $(QUANTUM_DIR)/audio/voices.c
-	SRC += $(QUANTUM_DIR)/audio/luts.c
-endif
-
-ifeq ($(strip $(UCIS_ENABLE)), yes)
-	OPT_DEFS += -DUCIS_ENABLE
-	UNICODE_ENABLE = yes
-endif
-
-ifeq ($(strip $(UNICODE_ENABLE)), yes)
-    OPT_DEFS += -DUNICODE_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_unicode.c
-endif
-
-ifeq ($(strip $(RGBLIGHT_ENABLE)), yes)
-	OPT_DEFS += -DRGBLIGHT_ENABLE
-	SRC += $(QUANTUM_DIR)/light_ws2812.c
-	SRC += $(QUANTUM_DIR)/rgblight.c
-endif
-
-ifeq ($(strip $(TAP_DANCE_ENABLE)), yes)
-	OPT_DEFS += -DTAP_DANCE_ENABLE
-	SRC += $(QUANTUM_DIR)/process_keycode/process_tap_dance.c
-endif
-
-ifeq ($(strip $(SERIAL_LINK_ENABLE)), yes)
-	SERIAL_DIR = $(QUANTUM_DIR)/serial_link
-	SERIAL_PATH = $(QUANTUM_PATH)/serial_link
-	SERIAL_SRC = $(wildcard $(SERIAL_PATH)/protocol/*.c)
-	SERIAL_SRC += $(wildcard $(SERIAL_PATH)/system/*.c)
-	SRC += $(patsubst $(QUANTUM_PATH)/%,%,$(SERIAL_SRC))
-	OPT_DEFS += -DSERIAL_LINK_ENABLE
-	VAPTH += $(SERIAL_PATH)
-endif
-
-# Optimize size but this may cause error "relocation truncated to fit"
-#EXTRALDFLAGS = -Wl,--relax
-
-# Search Path
-VPATH += $(KEYMAP_PATH)
-ifdef SUBPROJECT
-	VPATH += $(SUBPROJECT_PATH)
-endif
-VPATH += $(KEYBOARD_PATH)
-VPATH += $(TOP_DIR)
-VPATH += $(TMK_PATH)
-VPATH += $(QUANTUM_PATH)
-VPATH += $(QUANTUM_PATH)/keymap_extras
-VPATH += $(QUANTUM_PATH)/audio
-VPATH += $(QUANTUM_PATH)/process_keycode
-
-
-# We can assume a ChibiOS target When MCU_FAMILY is defined, since it's not used for LUFA
-ifdef MCU_FAMILY
-	PLATFORM=CHIBIOS
-else
-	PLATFORM=AVR
-endif
-
-include $(TMK_PATH)/common.mk
-ifeq ($(PLATFORM),AVR)
-	include $(TMK_PATH)/protocol/lufa.mk
-	include $(TMK_PATH)/avr.mk
-else ifeq ($(PLATFORM),CHIBIOS)
-	include $(TMK_PATH)/protocol/chibios.mk
-	include $(TMK_PATH)/chibios.mk
-	OPT_OS = chibios
-else
-	$(error Unknown platform)
-endif
-
-ifeq ($(strip $(VISUALIZER_ENABLE)), yes)
-	VISUALIZER_DIR = $(QUANTUM_DIR)/visualizer
-	VISUALIZER_PATH = $(QUANTUM_PATH)/visualizer
-	include $(VISUALIZER_PATH)/visualizer.mk
-endif
-
-include $(TMK_PATH)/rules.mk
-
-GIT_VERSION := $(shell git describe --abbrev=6 --dirty --always --tags 2>/dev/null || date +"%Y-%m-%d-%H:%M:%S")
-BUILD_DATE := $(shell date +"%Y-%m-%d-%H:%M:%S")
-OPT_DEFS += -DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYMAP=\"$(KEYMAP)\"
-
-$(shell echo '#define QMK_VERSION "$(GIT_VERSION)"' > $(QUANTUM_PATH)/version.h)
-$(shell echo '#define QMK_BUILDDATE "$(BUILD_DATE)"' >> $(QUANTUM_PATH)/version.h)
+STARTING_MAKEFILE := $(firstword $(MAKEFILE_LIST))
+ROOT_MAKEFILE := $(lastword $(MAKEFILE_LIST))
+ABS_STARTING_MAKEFILE := $(abspath $(STARTING_MAKEFILE))
+ABS_ROOT_MAKEFILE := $(abspath $(ROOT_MAKEFILE))
+ABS_STARTING_DIR := $(dir $(ABS_STARTING_MAKEFILE))
+ABS_ROOT_DIR := $(dir $(ABS_ROOT_MAKEFILE))
+STARTING_DIR := $(subst $(ABS_ROOT_DIR),,$(ABS_STARTING_DIR))
+
+PATH_ELEMENTS := $(subst /, ,$(STARTING_DIR))
+
+define NEXT_PATH_ELEMENT
+    $$(eval CURRENT_PATH_ELEMENT := $$(firstword  $$(PATH_ELEMENTS)))
+    $$(eval PATH_ELEMENTS := $$(wordlist  2,9999,$$(PATH_ELEMENTS)))
+endef
+
+$(eval $(call NEXT_PATH_ELEMENT))
+
+ifeq ($(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 := $(CURRENT_PATH_ELEMENT)
+        endif
+    endif
+endif
+
+$(info Keyboard: $(KEYBOARD))
+$(info Keymap: $(KEYMAP))
+$(info Subproject: $(SUBPROJECT))
+
+
+all: 
+	echo "Compiling"
\ No newline at end of file