keychron_qmk_firmware/build_keyboard.mk

# Determine what keyboard we are building and setup the build environment.
#
# We support folders up to 5 levels deep below `keyboards/`. This file is
# responsible for determining which folder is being used and doing the
# corresponding environment setup.

ifndef VERBOSE
.SILENT:
endif

.DEFAULT_GOAL := all

include paths.mk
include $(BUILDDEFS_PATH)/message.mk

# Set the qmk cli to use
QMK_BIN ?= qmk

# Set the filename for the final firmware binary
KEYBOARD_FILESAFE := $(subst /,_,$(KEYBOARD))
TARGET ?= $(KEYBOARD_FILESAFE)_$(KEYMAP)
KEYBOARD_OUTPUT := $(BUILD_DIR)/obj_$(KEYBOARD_FILESAFE)

# Force expansion
TARGET := $(TARGET)

ifneq ($(FORCE_LAYOUT),)
    TARGET := $(TARGET)_$(FORCE_LAYOUT)
endif

# Object files and generated keymap directory
#     To put object files in current directory, use a dot (.), do NOT make
#     this an empty or blank macro!
KEYMAP_OUTPUT := $(BUILD_DIR)/obj_$(TARGET)

ifdef SKIP_VERSION
    OPT_DEFS += -DSKIP_VERSION
endif

# Generate the version.h file
ifdef SKIP_VERSION
VERSION_H_FLAGS := --skip-all
endif
ifdef SKIP_GIT
VERSION_H_FLAGS := --skip-git
endif

# Generate the board's version.h file.
$(shell $(QMK_BIN) generate-version-h $(VERSION_H_FLAGS) -q -o $(KEYMAP_OUTPUT)/src/version.h)

# Determine which subfolders exist.
KEYBOARD_FOLDER_PATH_1 := $(KEYBOARD)
KEYBOARD_FOLDER_PATH_2 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_1)))
KEYBOARD_FOLDER_PATH_3 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_2)))
KEYBOARD_FOLDER_PATH_4 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_3)))
KEYBOARD_FOLDER_PATH_5 := $(patsubst %/,%,$(dir $(KEYBOARD_FOLDER_PATH_4)))
KEYBOARD_FOLDER_1 := $(notdir $(KEYBOARD_FOLDER_PATH_1))
KEYBOARD_FOLDER_2 := $(notdir $(KEYBOARD_FOLDER_PATH_2))
KEYBOARD_FOLDER_3 := $(notdir $(KEYBOARD_FOLDER_PATH_3))
KEYBOARD_FOLDER_4 := $(notdir $(KEYBOARD_FOLDER_PATH_4))
KEYBOARD_FOLDER_5 := $(notdir $(KEYBOARD_FOLDER_PATH_5))
KEYBOARD_PATHS :=
KEYBOARD_PATH_1 := keyboards/$(KEYBOARD_FOLDER_PATH_1)
KEYBOARD_PATH_2 := keyboards/$(KEYBOARD_FOLDER_PATH_2)
KEYBOARD_PATH_3 := keyboards/$(KEYBOARD_FOLDER_PATH_3)
KEYBOARD_PATH_4 := keyboards/$(KEYBOARD_FOLDER_PATH_4)
KEYBOARD_PATH_5 := keyboards/$(KEYBOARD_FOLDER_PATH_5)

ifneq ("$(wildcard $(KEYBOARD_PATH_5)/)","")
    KEYBOARD_PATHS += $(KEYBOARD_PATH_5)
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/)","")
    KEYBOARD_PATHS += $(KEYBOARD_PATH_4)
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/)","")
    KEYBOARD_PATHS += $(KEYBOARD_PATH_3)
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/)","")
    KEYBOARD_PATHS += $(KEYBOARD_PATH_2)
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/)","")
    KEYBOARD_PATHS += $(KEYBOARD_PATH_1)
endif


# Pull in rules.mk files from all our subfolders
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/rules.mk)","")
    include $(KEYBOARD_PATH_5)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/rules.mk)","")
    include $(KEYBOARD_PATH_4)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/rules.mk)","")
    include $(KEYBOARD_PATH_3)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/rules.mk)","")
    include $(KEYBOARD_PATH_2)/rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/rules.mk)","")
    include $(KEYBOARD_PATH_1)/rules.mk
endif

MAIN_KEYMAP_PATH_1 := $(KEYBOARD_PATH_1)/keymaps/$(KEYMAP)
MAIN_KEYMAP_PATH_2 := $(KEYBOARD_PATH_2)/keymaps/$(KEYMAP)
MAIN_KEYMAP_PATH_3 := $(KEYBOARD_PATH_3)/keymaps/$(KEYMAP)
MAIN_KEYMAP_PATH_4 := $(KEYBOARD_PATH_4)/keymaps/$(KEYMAP)
MAIN_KEYMAP_PATH_5 := $(KEYBOARD_PATH_5)/keymaps/$(KEYMAP)

# Pull in rules from info.json
INFO_RULES_MK = $(shell $(QMK_BIN) generate-rules-mk --quiet --escape --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/info_rules.mk)
include $(INFO_RULES_MK)

# Check for keymap.json first, so we can regenerate keymap.c
include build_json.mk

# Pull in keymap level rules.mk
ifeq ("$(wildcard $(KEYMAP_PATH))", "")
    # Look through the possible keymap folders until we find a matching keymap.c
    ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_5)/keymap.c)","")
        -include $(MAIN_KEYMAP_PATH_5)/rules.mk
        KEYMAP_C := $(MAIN_KEYMAP_PATH_5)/keymap.c
        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_5)
    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_4)/keymap.c)","")
        -include $(MAIN_KEYMAP_PATH_4)/rules.mk
        KEYMAP_C := $(MAIN_KEYMAP_PATH_4)/keymap.c
        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_4)
    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_3)/keymap.c)","")
        -include $(MAIN_KEYMAP_PATH_3)/rules.mk
        KEYMAP_C := $(MAIN_KEYMAP_PATH_3)/keymap.c
        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_3)
    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_2)/keymap.c)","")
        -include $(MAIN_KEYMAP_PATH_2)/rules.mk
        KEYMAP_C := $(MAIN_KEYMAP_PATH_2)/keymap.c
        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_2)
    else ifneq ("$(wildcard $(MAIN_KEYMAP_PATH_1)/keymap.c)","")
        -include $(MAIN_KEYMAP_PATH_1)/rules.mk
        KEYMAP_C := $(MAIN_KEYMAP_PATH_1)/keymap.c
        KEYMAP_PATH := $(MAIN_KEYMAP_PATH_1)
    else ifneq ($(LAYOUTS),)
        # If we haven't found a keymap yet fall back to community layouts
        include build_layout.mk
    else
        $(error Could not find keymap)
        # this state should never be reached
    endif
endif

# Have we found a keymap.json?
ifneq ("$(wildcard $(KEYMAP_JSON))", "")
    KEYMAP_C := $(KEYMAP_OUTPUT)/src/keymap.c
    KEYMAP_H := $(KEYMAP_OUTPUT)/src/config.h

    # Load the keymap-level rules.mk if exists
    -include $(KEYMAP_PATH)/rules.mk

    # Load any rules.mk content from keymap.json
    INFO_RULES_MK = $(shell $(QMK_BIN) generate-rules-mk --quiet --escape --keyboard $(KEYBOARD) --keymap $(KEYMAP) --output $(KEYMAP_OUTPUT)/src/rules.mk)
    include $(INFO_RULES_MK)

# Add rules to generate the keymap files - indentation here is important
$(KEYMAP_OUTPUT)/src/keymap.c: $(KEYMAP_JSON)
	$(QMK_BIN) json2c --quiet --output $(KEYMAP_C) $(KEYMAP_JSON)

$(KEYMAP_OUTPUT)/src/config.h: $(KEYMAP_JSON)
	$(QMK_BIN) generate-config-h --quiet --keyboard $(KEYBOARD) --keymap $(KEYMAP) --output $(KEYMAP_H)

generated-files: $(KEYMAP_OUTPUT)/src/config.h $(KEYMAP_OUTPUT)/src/keymap.c

endif

ifeq ($(strip $(CTPC)), yes)
    CONVERT_TO_PROTON_C=yes
endif

ifeq ($(strip $(CONVERT_TO_PROTON_C)), yes)
    include platforms/chibios/boards/QMK_PROTON_C/convert_to_proton_c.mk
endif

include $(BUILDDEFS_PATH)/mcu_selection.mk

# 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
#
QMK_KEYBOARD_H = $(KEYBOARD_OUTPUT)/src/default_keyboard.h
ifneq ("$(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
endif

# Determine and set parameters based on the keyboard's processor family.
# We can assume a ChibiOS target When MCU_FAMILY is defined since it's
# not used for LUFA
ifdef MCU_FAMILY
    PLATFORM=CHIBIOS
    PLATFORM_KEY=chibios
    FIRMWARE_FORMAT?=bin
    OPT_DEFS += -DMCU_$(MCU_FAMILY)
else ifdef ARM_ATSAM
    PLATFORM=ARM_ATSAM
    PLATFORM_KEY=arm_atsam
    FIRMWARE_FORMAT=bin
else
    PLATFORM=AVR
    PLATFORM_KEY=avr
    FIRMWARE_FORMAT?=hex
endif

# Find all of the config.h files and add them to our CONFIG_H define.
CONFIG_H :=
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/config.h)","")
    CONFIG_H += $(KEYBOARD_PATH_5)/config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/config.h)","")
    CONFIG_H += $(KEYBOARD_PATH_4)/config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/config.h)","")
    CONFIG_H += $(KEYBOARD_PATH_3)/config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/config.h)","")
    CONFIG_H += $(KEYBOARD_PATH_2)/config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/config.h)","")
    CONFIG_H += $(KEYBOARD_PATH_1)/config.h
endif

POST_CONFIG_H :=
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/post_config.h)","")
    POST_CONFIG_H += $(KEYBOARD_PATH_1)/post_config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/post_config.h)","")
    POST_CONFIG_H += $(KEYBOARD_PATH_2)/post_config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/post_config.h)","")
    POST_CONFIG_H += $(KEYBOARD_PATH_3)/post_config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/post_config.h)","")
    POST_CONFIG_H += $(KEYBOARD_PATH_4)/post_config.h
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/post_config.h)","")
    POST_CONFIG_H += $(KEYBOARD_PATH_5)/post_config.h
endif

# Pull in stuff from info.json
INFO_JSON_FILES :=
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/info.json)","")
    INFO_JSON_FILES += $(KEYBOARD_PATH_1)/info.json
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/info.json)","")
    INFO_JSON_FILES += $(KEYBOARD_PATH_2)/info.json
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/info.json)","")
    INFO_JSON_FILES += $(KEYBOARD_PATH_3)/info.json
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/info.json)","")
    INFO_JSON_FILES += $(KEYBOARD_PATH_4)/info.json
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/info.json)","")
    INFO_JSON_FILES += $(KEYBOARD_PATH_5)/info.json
endif

CONFIG_H += $(KEYBOARD_OUTPUT)/src/info_config.h $(KEYBOARD_OUTPUT)/src/layouts.h

$(KEYBOARD_OUTPUT)/src/info_config.h: $(INFO_JSON_FILES)
	$(QMK_BIN) generate-config-h --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/info_config.h

$(KEYBOARD_OUTPUT)/src/default_keyboard.h: $(INFO_JSON_FILES)
	$(QMK_BIN) generate-keyboard-h --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/default_keyboard.h

$(KEYBOARD_OUTPUT)/src/layouts.h: $(INFO_JSON_FILES)
	$(QMK_BIN) generate-layouts --quiet --keyboard $(KEYBOARD) --output $(KEYBOARD_OUTPUT)/src/layouts.h

generated-files: $(KEYBOARD_OUTPUT)/src/info_config.h $(KEYBOARD_OUTPUT)/src/default_keyboard.h $(KEYBOARD_OUTPUT)/src/layouts.h

.INTERMEDIATE : generated-files

# Userspace setup and definitions
ifeq ("$(USER_NAME)","")
    USER_NAME := $(KEYMAP)
endif
USER_PATH := users/$(USER_NAME)

# Pull in user level rules.mk
-include $(USER_PATH)/rules.mk
ifneq ("$(wildcard $(USER_PATH)/config.h)","")
    CONFIG_H += $(USER_PATH)/config.h
endif
ifneq ("$(wildcard $(USER_PATH)/post_config.h)","")
    POST_CONFIG_H += $(USER_PATH)/post_config.h
endif

# Disable features that a keyboard doesn't support
-include $(BUILDDEFS_PATH)/disable_features.mk

# Pull in post_rules.mk files from all our subfolders
ifneq ("$(wildcard $(KEYBOARD_PATH_1)/post_rules.mk)","")
    include $(KEYBOARD_PATH_1)/post_rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_2)/post_rules.mk)","")
    include $(KEYBOARD_PATH_2)/post_rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_3)/post_rules.mk)","")
    include $(KEYBOARD_PATH_3)/post_rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_4)/post_rules.mk)","")
    include $(KEYBOARD_PATH_4)/post_rules.mk
endif
ifneq ("$(wildcard $(KEYBOARD_PATH_5)/post_rules.mk)","")
    include $(KEYBOARD_PATH_5)/post_rules.mk
endif

ifneq ("$(wildcard $(KEYMAP_PATH)/config.h)","")
    CONFIG_H += $(KEYMAP_PATH)/config.h
endif
ifneq ("$(KEYMAP_H)","")
    CONFIG_H += $(KEYMAP_H)
endif

# project specific files
SRC += \
    $(KEYBOARD_SRC) \
    $(KEYMAP_C) \
    $(QUANTUM_SRC) \
    $(QUANTUM_DIR)/main.c \

# Optimize size but this may cause error "relocation truncated to fit"
#EXTRALDFLAGS = -Wl,--relax

# Search Path
VPATH += $(KEYMAP_PATH)
VPATH += $(USER_PATH)
VPATH += $(KEYBOARD_PATHS)
VPATH += $(COMMON_VPATH)
VPATH += $(KEYBOARD_OUTPUT)/src
VPATH += $(KEYMAP_OUTPUT)/src

include common_features.mk
include $(BUILDDEFS_PATH)/generic_features.mk
include $(TMK_PATH)/protocol.mk
include $(PLATFORM_PATH)/common.mk
include $(BUILDDEFS_PATH)/bootloader.mk

SRC += $(patsubst %.c,%.clib,$(LIB_SRC))
SRC += $(patsubst %.c,%.clib,$(QUANTUM_LIB_SRC))
SRC += $(TMK_COMMON_SRC)
OPT_DEFS += $(TMK_COMMON_DEFS)
EXTRALDFLAGS += $(TMK_COMMON_LDFLAGS)

SKIP_COMPILE := no
ifneq ($(REQUIRE_PLATFORM_KEY),)
    ifneq ($(REQUIRE_PLATFORM_KEY),$(PLATFORM_KEY))
        SKIP_COMPILE := yes
    endif
endif

include $(PLATFORM_PATH)/$(PLATFORM_KEY)/platform.mk
-include $(PLATFORM_PATH)/$(PLATFORM_KEY)/flash.mk

ifneq ($(strip $(PROTOCOL)),)
    include $(TMK_PATH)/protocol/$(strip $(shell echo $(PROTOCOL) | tr '[:upper:]' '[:lower:]')).mk
else
    include $(TMK_PATH)/protocol/$(PLATFORM_KEY).mk
endif

# TODO: remove this bodge?
PROJECT_DEFS := $(OPT_DEFS)
PROJECT_INC := $(VPATH) $(EXTRAINCDIRS) $(KEYBOARD_PATHS)
PROJECT_CONFIG := $(CONFIG_H)

CONFIG_H += $(POST_CONFIG_H)
ALL_CONFIGS := $(PROJECT_CONFIG) $(CONFIG_H)

OUTPUTS := $(KEYMAP_OUTPUT) $(KEYBOARD_OUTPUT)
$(KEYMAP_OUTPUT)_SRC := $(SRC)
$(KEYMAP_OUTPUT)_DEFS := $(OPT_DEFS) \
-DQMK_KEYBOARD=\"$(KEYBOARD)\" -DQMK_KEYBOARD_H=\"$(QMK_KEYBOARD_H)\" \
-DQMK_KEYMAP=\"$(KEYMAP)\" -DQMK_KEYMAP_H=\"$(KEYMAP).h\" -DQMK_KEYMAP_CONFIG_H=\"$(KEYMAP_PATH)/config.h\"
$(KEYMAP_OUTPUT)_INC :=  $(VPATH) $(EXTRAINCDIRS)
$(KEYMAP_OUTPUT)_CONFIG := $(CONFIG_H)
$(KEYBOARD_OUTPUT)_SRC := $(PLATFORM_SRC)
$(KEYBOARD_OUTPUT)_DEFS := $(PROJECT_DEFS)
$(KEYBOARD_OUTPUT)_INC := $(PROJECT_INC)
$(KEYBOARD_OUTPUT)_CONFIG := $(PROJECT_CONFIG)

# Default target.
ifeq ($(SKIP_COMPILE),no)
all: build check-size
else
all:
	echo "skipped" >&2
endif

build: elf cpfirmware
check-size: build
check-md5: build
objs-size: build

include $(BUILDDEFS_PATH)/show_options.mk
include $(TMK_PATH)/rules.mk

# Ensure we have generated files available for each of the objects
define GEN_FILES
$1: generated-files
endef
$(foreach O,$(OBJ),$(eval $(call GEN_FILES,$(patsubst %.a,%.o,$(O)))))