Parsing of makefile variables from starting dir

1 files changed, 276 insertions, 0 deletions

diff --git a/build_keyboard.mk b/build_keyboard.mk
new file mode 100644
index 0000000000..053c8532af
--- /dev/null
+++ b/build_keyboard.mk
@@ -0,0 +1,276 @@
+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 $(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)
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