firmware/app/app.mk - device/google/contexthub - Git at Google

 #
 # Copyright (C) 2016 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
 ################################################################################
 #
 # NanoApp C/C++ Makefile Utils
 #
 ################################################################################

 # Configuration ################################################################

 # Toolchain Prefix
 ifndef CROSS_COMPILE
   $(error Please set the environment variable CROSS_COMPILE to the complete \
           path to the toolchain directory plus the binary prefix, e.g. export \
           CROSS_COMPILE=~/bin/gcc-arm-none-eabi-4_8-2014q3/bin/arm-none-eabi-)
 endif

 PREFIX = $(CROSS_COMPILE)
 TOOLCHAIN_DIR = $(shell dirname `which $(CROSS_COMPILE)gcc`)/..

 # NANOHUB_DIR is relative to CWD (which is always APP Makefile dir)

 NANOAPP_POSTPROCESS := $(NANOHUB_DIR)/../util/nanoapp_postprocess/nanoapp_postprocess
 NANOAPP_SIGN := $(NANOHUB_DIR)/../util/nanoapp_sign/nanoapp_sign

 # TOP_RELPATH is ANDROID_TOP relative to NANOHUB_DIR
 TOP_RELPATH := ../../../..
 TOP_ABSPATH := $(realpath $(NANOHUB_DIR)/$(TOP_RELPATH))

 # for local variants there is always a path; for out-of-tree variants there may be
 # - a $(VARIANT) soft link under firmware/variant subdir, or
 # - VARIANT_PATH is found as vendor/<vendor_name>/<variant_name>/nanohub, or
 # - explicitly provided in VARIANT_CONFIG_PATH (path, where <variant>_conf.mk is located)
 #
 ifeq ($(VARIANT_CONFIG_PATH),)
   variant_conf := $(wildcard $(TOP_ABSPATH)/vendor/*/*/nanohub/$(VARIANT)_conf.mk)
   ifeq ($(words $(variant_conf)),1)
     VARIANT_CONFIG_PATH := $(patsubst $(TOP_ABSPATH)/%/$(VARIANT)_conf.mk,%,$(variant_conf))
   else
     VARIANT_CONFIG_PATH := device/google/contexthub/firmware/variant/$(VARIANT)
   endif
 endif

 include $(TOP_ABSPATH)/$(VARIANT_CONFIG_PATH)/$(VARIANT)_conf.mk

 # $(VARIANT)_conf.mk defines VARIANT_PATH, PLATFORM, CHIP, CPU, VARIANT
 # VARIANT_PATH from $(VARIANT)_conf.mk is ANDROID_TOP relative

 # change VARIANT_PATH to become CWD-relative
 VARIANT_PATH := $(NANOHUB_DIR)/$(TOP_RELPATH)/$(VARIANT_PATH)

 # all output goes here
 ifndef OUT
 OUT:=out/nanohub/$(VARIANT)/app/$(BIN)
 else
 ifneq ($(filter $(TOP_ABSPATH)/out/target/product/%,$(OUT)),)
 # this looks like Android OUT env var; update it
 IMAGE_TARGET_OUT:=$(OUT)/vendor/firmware/$(BIN).napp
 OUT:=$(OUT)/nanohub/$(VARIANT)/app/$(BIN)
 endif
 endif

 ################################################################################
 #
 # Nanoapp Libc/Libm Utils
 #
 ################################################################################

 include $(NANOHUB_DIR)/lib/lib.mk

 # Tools ########################################################################

 AS := $(PREFIX)gcc
 CC := $(PREFIX)gcc
 CXX := $(PREFIX)g++
 OBJCOPY := $(PREFIX)objcopy
 OBJDUMP := $(PREFIX)objdump

 # Assembly Flags ###############################################################

 AS_FLAGS +=

 # C++ Flags ####################################################################

 CXX_CFLAGS += -std=c++11
 CXX_CFLAGS += -fno-exceptions
 CXX_CFLAGS += -fno-rtti

 # C Flags ######################################################################

 C_CFLAGS +=

 # Common Flags #################################################################

 # Defines
 CFLAGS += -DAPP_ID=$(APP_ID)
 CFLAGS += -DAPP_VERSION=$(APP_VERSION)
 CFLAGS += -D__NANOHUB__

 # Optimization/debug
 CFLAGS += -Os
 CFLAGS += -g

 # Include paths
 CFLAGS += -I$(NANOHUB_DIR)/os/inc
 CFLAGS += -I$(NANOHUB_DIR)/os/platform/$(PLATFORM)/inc
 CFLAGS += -I$(NANOHUB_DIR)/os/cpu/$(CPU)/inc
 CFLAGS += -I$(VARIANT_PATH)/inc
 CFLAGS += -I$(NANOHUB_DIR)/../lib/include

 # Warnings/error configuration.
 CFLAGS += -Wall
 CFLAGS += -Werror
 CFLAGS += -Wmissing-declarations
 CFLAGS += -Wlogical-op
 CFLAGS += -Waddress
 CFLAGS += -Wempty-body
 CFLAGS += -Wpointer-arith
 CFLAGS += -Wenum-compare
 CFLAGS += -Wdouble-promotion
 CFLAGS += -Wshadow
 CFLAGS += -Wno-attributes

 # Produce position independent code.
 CFLAGS += -fpic
 CFLAGS += -mno-pic-data-is-text-relative
 CFLAGS += -msingle-pic-base
 CFLAGS += -mpic-register=r9

 # Code generation options for Cortex-M4F
 CFLAGS += -mthumb
 CFLAGS += -mcpu=cortex-m4
 CFLAGS += -march=armv7e-m
 CFLAGS += -mfloat-abi=softfp
 CFLAGS += -mfpu=fpv4-sp-d16
 CFLAGS += -mno-thumb-interwork
 CFLAGS += -ffast-math
 CFLAGS += -fsingle-precision-constant

 # Platform defines
 CFLAGS += -DARM
 CFLAGS += -DUSE_NANOHUB_FLOAT_RUNTIME
 CFLAGS += -DARM_MATH_CM4
 CFLAGS += -D__FPU_PRESENT

 # Miscellaneous
 CFLAGS += -fno-strict-aliasing
 CFLAGS += -fvisibility=hidden
 CFLAGS += -fno-unwind-tables
 CFLAGS += -fstack-reuse=all
 CFLAGS += -ffunction-sections
 CFLAGS += -fdata-sections

 # Linker Configuration #########################################################

 LD := $(PREFIX)g++

 LDFLAGS := -T $(NANOHUB_DIR)/os/platform/$(PLATFORM)/lkr/app.lkr
 LDFLAGS += -nostartfiles
 LDFLAGS += -nostdlib
 LDFLAGS += -Wl,--gc-sections
 LDFLAGS += -Wl,-Map,$(OUT)/$(BIN).map
 LDFLAGS += -Wl,--cref
 ifeq ($(BIN_MODE),static)
 LDFLAGS += -Bstatic
 LDFLAGS += -Wl,--emit-relocs
 else
 LDFLAGS += -Bdynamic
 LDFLAGS += -Wl,--no-undefined
 LDFLAGS += -Wl,--no-allow-shlib-undefined
 endif

 # Build Rules ##################################################################

 AS_SRCS := $(filter %.S, $(SRCS))
 C_SRCS := $(filter %.c, $(SRCS))
 CXX_SRCS := $(filter %.cc, $(SRCS))
 CPP_SRCS := $(filter %.cpp, $(SRCS))

 OBJS := $(patsubst %.S, $(OUT)/%.o, $(AS_SRCS))
 OBJS += $(patsubst %.c, $(OUT)/%.o, $(C_SRCS))
 OBJS += $(patsubst %.cc, $(OUT)/%.o, $(CXX_SRCS))
 OBJS += $(patsubst %.cpp, $(OUT)/%.o, $(CPP_SRCS))

 UNSIGNED_BIN := $(BIN).unsigned.napp

 NANOHUB_KEY_PATH := $(NANOHUB_DIR)/os/platform/$(PLATFORM)/misc

 .PHONY: all clean sync
 all: $(OUT)/$(BIN).S $(OUT)/$(BIN).napp $(IMAGE_TARGET_OUT)

 $(OUT)/$(BIN).napp : $(OUT)/$(UNSIGNED_BIN) $(NANOAPP_SIGN)
 	@mkdir -p $(dir $@)
 	$(NANOAPP_SIGN) -e $(NANOHUB_KEY_PATH)/debug.privkey \
 		-m $(NANOHUB_KEY_PATH)/debug.pubkey -s $< $@
 ifdef IMAGE_TARGET_OUT
 $(IMAGE_TARGET_OUT): $(OUT)/$(BIN).napp
 	@mkdir -p $(dir $@)
 	cp $< $(IMAGE_TARGET_OUT)
 endif

 ifeq ($(APP_VERSION),)
 APP_VERSION := 0
 endif

 ifeq ($(BIN_MODE),static)
 $(OUT)/$(UNSIGNED_BIN) : $(OUT)/$(BIN).elf $(NANOAPP_POSTPROCESS)
 	@mkdir -p $(dir $@)
 	$(NANOAPP_POSTPROCESS) -s -a $(APP_ID) -e $(APP_VERSION) -v $(BIN_POSTPROCESS_ARGS) $< $@
 else
 $(OUT)/$(UNSIGNED_BIN) : $(OUT)/$(BIN).bin $(NANOAPP_POSTPROCESS)
 	@mkdir -p $(dir $@)
 	$(NANOAPP_POSTPROCESS) -a $(APP_ID) -e $(APP_VERSION) -v $(BIN_POSTPROCESS_ARGS) $< $@

 $(OUT)/$(BIN).bin : $(OUT)/$(BIN).elf
 	@mkdir -p $(dir $@)
 	$(OBJCOPY) -j.relocs -j.flash -j.data -j.dynsym -O binary $< $@
 endif

 $(OUT)/$(BIN).S : $(OUT)/$(BIN).elf
 	@mkdir -p $(dir $@)
 	$(OBJDUMP) $< -DS > $@

 $(OUT)/$(BIN).elf : $(OBJS)
 	@mkdir -p $(dir $@)
 	$(LD) $(CFLAGS) $(CXX_FLAGS) $(LDFLAGS) $(OBJS) $(STATIC_LIBS) -o $@

 $(OUT)/%.o : %.S
 	@mkdir -p $(dir $@)
 	$(AS) $(AS_FLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

 $(OUT)/%.o : %.c
 	@mkdir -p $(dir $@)
 	$(CC) $(C_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

 $(OUT)/%.o : %.cc
 	@mkdir -p $(dir $@)
 	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

 $(OUT)/%.o : %.cpp
 	@mkdir -p $(dir $@)
 	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

 # Automatic dependency resolution ##############################################

 DEPS_AS = $(OUT)/deps_as
 DEPS_C = $(OUT)/deps_c
 DEPS_CXX = $(OUT)/deps_cxx

 $(DEPS_AS) : $(AS_SRCS)
 	@mkdir -p $(dir $@)
 	$(AS) $(AS_CFLAGS) $(CFLAGS) -MM $^ > $@

 $(DEPS_C) : $(C_SRCS)
 	@mkdir -p $(dir $@)
 	$(CC) $(C_CFLAGS) $(CFLAGS) -MM $^ > $@

 $(DEPS_CXX) : $(CXX_SRCS) $(CPP_SRCS)
 	@mkdir -p $(dir $@)
 	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -MM $^ > $@

 NOAUTODEPTARGETS = clean

 ifeq ($(words $(findstring $(MAKECMDGOALS), $(NOAUTODEPTARGETS))), 0)

 ifneq ($(AS_SRCS), )
 -include $(DEPS_AS)
 endif

 ifneq ($(C_SRCS), )
 -include $(DEPS_C)
 endif

 ifneq ($(CXX_SRCS)$(CPP_SRCS),)
 -include $(DEPS_CXX)
 endif

 endif

 $(NANOAPP_POSTPROCESS): $(wildcard $(dir $(NANOAPP_POSTPROCESS))/*.c* $(dir $(NANOAPP_POSTPROCESS))/*.h)
 	echo DEPS [$@]: $^
 	make -C $(dir $@)

 $(NANOAPP_SIGN): $(wildcard $(dir $(NANOAPP_SIGN))/*.c* $(dir $(NANOAPP_SIGN))/*.h)
 	echo DEPS [$@]: $^
 	make -C $(dir $@)

 # Clean targets ################################################################

 clean :
 	rm -rf $(OUT)

 sync:   $(OUT)/$(BIN).napp
 	adb push $< /vendor/firmware/$(BIN).napp
	#
	# Copyright (C) 2016 The Android Open Source Project
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#
	################################################################################
	#
	# NanoApp C/C++ Makefile Utils
	#
	################################################################################

	# Configuration ################################################################

	# Toolchain Prefix
	ifndef CROSS_COMPILE
	$(error Please set the environment variable CROSS_COMPILE to the complete \
	path to the toolchain directory plus the binary prefix, e.g. export \
	CROSS_COMPILE=~/bin/gcc-arm-none-eabi-4_8-2014q3/bin/arm-none-eabi-)
	endif

	PREFIX = $(CROSS_COMPILE)
	TOOLCHAIN_DIR = $(shell dirname `which $(CROSS_COMPILE)gcc`)/..

	# NANOHUB_DIR is relative to CWD (which is always APP Makefile dir)

	NANOAPP_POSTPROCESS := $(NANOHUB_DIR)/../util/nanoapp_postprocess/nanoapp_postprocess
	NANOAPP_SIGN := $(NANOHUB_DIR)/../util/nanoapp_sign/nanoapp_sign

	# TOP_RELPATH is ANDROID_TOP relative to NANOHUB_DIR
	TOP_RELPATH := ../../../..
	TOP_ABSPATH := $(realpath $(NANOHUB_DIR)/$(TOP_RELPATH))

	# for local variants there is always a path; for out-of-tree variants there may be
	# - a $(VARIANT) soft link under firmware/variant subdir, or
	# - VARIANT_PATH is found as vendor/<vendor_name>/<variant_name>/nanohub, or
	# - explicitly provided in VARIANT_CONFIG_PATH (path, where <variant>_conf.mk is located)
	#
	ifeq ($(VARIANT_CONFIG_PATH),)
	variant_conf := $(wildcard $(TOP_ABSPATH)/vendor///nanohub/$(VARIANT)_conf.mk)
	ifeq ($(words $(variant_conf)),1)
	VARIANT_CONFIG_PATH := $(patsubst $(TOP_ABSPATH)/%/$(VARIANT)_conf.mk,%,$(variant_conf))
	else
	VARIANT_CONFIG_PATH := device/google/contexthub/firmware/variant/$(VARIANT)
	endif
	endif

	include $(TOP_ABSPATH)/$(VARIANT_CONFIG_PATH)/$(VARIANT)_conf.mk

	# $(VARIANT)_conf.mk defines VARIANT_PATH, PLATFORM, CHIP, CPU, VARIANT
	# VARIANT_PATH from $(VARIANT)_conf.mk is ANDROID_TOP relative

	# change VARIANT_PATH to become CWD-relative
	VARIANT_PATH := $(NANOHUB_DIR)/$(TOP_RELPATH)/$(VARIANT_PATH)

	# all output goes here
	ifndef OUT
	OUT:=out/nanohub/$(VARIANT)/app/$(BIN)
	else
	ifneq ($(filter $(TOP_ABSPATH)/out/target/product/%,$(OUT)),)
	# this looks like Android OUT env var; update it
	IMAGE_TARGET_OUT:=$(OUT)/vendor/firmware/$(BIN).napp
	OUT:=$(OUT)/nanohub/$(VARIANT)/app/$(BIN)
	endif
	endif

	################################################################################
	#
	# Nanoapp Libc/Libm Utils
	#
	################################################################################

	include $(NANOHUB_DIR)/lib/lib.mk

	# Tools ########################################################################

	AS := $(PREFIX)gcc
	CC := $(PREFIX)gcc
	CXX := $(PREFIX)g++
	OBJCOPY := $(PREFIX)objcopy
	OBJDUMP := $(PREFIX)objdump

	# Assembly Flags ###############################################################

	AS_FLAGS +=

	# C++ Flags ####################################################################

	CXX_CFLAGS += -std=c++11
	CXX_CFLAGS += -fno-exceptions
	CXX_CFLAGS += -fno-rtti

	# C Flags ######################################################################

	C_CFLAGS +=

	# Common Flags #################################################################

	# Defines
	CFLAGS += -DAPP_ID=$(APP_ID)
	CFLAGS += -DAPP_VERSION=$(APP_VERSION)
	CFLAGS += -D__NANOHUB__

	# Optimization/debug
	CFLAGS += -Os
	CFLAGS += -g

	# Include paths
	CFLAGS += -I$(NANOHUB_DIR)/os/inc
	CFLAGS += -I$(NANOHUB_DIR)/os/platform/$(PLATFORM)/inc
	CFLAGS += -I$(NANOHUB_DIR)/os/cpu/$(CPU)/inc
	CFLAGS += -I$(VARIANT_PATH)/inc
	CFLAGS += -I$(NANOHUB_DIR)/../lib/include

	# Warnings/error configuration.
	CFLAGS += -Wall
	CFLAGS += -Werror
	CFLAGS += -Wmissing-declarations
	CFLAGS += -Wlogical-op
	CFLAGS += -Waddress
	CFLAGS += -Wempty-body
	CFLAGS += -Wpointer-arith
	CFLAGS += -Wenum-compare
	CFLAGS += -Wdouble-promotion
	CFLAGS += -Wshadow
	CFLAGS += -Wno-attributes

	# Produce position independent code.
	CFLAGS += -fpic
	CFLAGS += -mno-pic-data-is-text-relative
	CFLAGS += -msingle-pic-base
	CFLAGS += -mpic-register=r9

	# Code generation options for Cortex-M4F
	CFLAGS += -mthumb
	CFLAGS += -mcpu=cortex-m4
	CFLAGS += -march=armv7e-m
	CFLAGS += -mfloat-abi=softfp
	CFLAGS += -mfpu=fpv4-sp-d16
	CFLAGS += -mno-thumb-interwork
	CFLAGS += -ffast-math
	CFLAGS += -fsingle-precision-constant

	# Platform defines
	CFLAGS += -DARM
	CFLAGS += -DUSE_NANOHUB_FLOAT_RUNTIME
	CFLAGS += -DARM_MATH_CM4
	CFLAGS += -D__FPU_PRESENT

	# Miscellaneous
	CFLAGS += -fno-strict-aliasing
	CFLAGS += -fvisibility=hidden
	CFLAGS += -fno-unwind-tables
	CFLAGS += -fstack-reuse=all
	CFLAGS += -ffunction-sections
	CFLAGS += -fdata-sections

	# Linker Configuration #########################################################

	LD := $(PREFIX)g++

	LDFLAGS := -T $(NANOHUB_DIR)/os/platform/$(PLATFORM)/lkr/app.lkr
	LDFLAGS += -nostartfiles
	LDFLAGS += -nostdlib
	LDFLAGS += -Wl,--gc-sections
	LDFLAGS += -Wl,-Map,$(OUT)/$(BIN).map
	LDFLAGS += -Wl,--cref
	ifeq ($(BIN_MODE),static)
	LDFLAGS += -Bstatic
	LDFLAGS += -Wl,--emit-relocs
	else
	LDFLAGS += -Bdynamic
	LDFLAGS += -Wl,--no-undefined
	LDFLAGS += -Wl,--no-allow-shlib-undefined
	endif

	# Build Rules ##################################################################

	AS_SRCS := $(filter %.S, $(SRCS))
	C_SRCS := $(filter %.c, $(SRCS))
	CXX_SRCS := $(filter %.cc, $(SRCS))
	CPP_SRCS := $(filter %.cpp, $(SRCS))

	OBJS := $(patsubst %.S, $(OUT)/%.o, $(AS_SRCS))
	OBJS += $(patsubst %.c, $(OUT)/%.o, $(C_SRCS))
	OBJS += $(patsubst %.cc, $(OUT)/%.o, $(CXX_SRCS))
	OBJS += $(patsubst %.cpp, $(OUT)/%.o, $(CPP_SRCS))

	UNSIGNED_BIN := $(BIN).unsigned.napp

	NANOHUB_KEY_PATH := $(NANOHUB_DIR)/os/platform/$(PLATFORM)/misc

	.PHONY: all clean sync
	all: $(OUT)/$(BIN).S $(OUT)/$(BIN).napp $(IMAGE_TARGET_OUT)

	$(OUT)/$(BIN).napp : $(OUT)/$(UNSIGNED_BIN) $(NANOAPP_SIGN)
	@mkdir -p $(dir $@)
	$(NANOAPP_SIGN) -e $(NANOHUB_KEY_PATH)/debug.privkey \
	-m $(NANOHUB_KEY_PATH)/debug.pubkey -s $< $@
	ifdef IMAGE_TARGET_OUT
	$(IMAGE_TARGET_OUT): $(OUT)/$(BIN).napp
	@mkdir -p $(dir $@)
	cp $< $(IMAGE_TARGET_OUT)
	endif

	ifeq ($(APP_VERSION),)
	APP_VERSION := 0
	endif

	ifeq ($(BIN_MODE),static)
	$(OUT)/$(UNSIGNED_BIN) : $(OUT)/$(BIN).elf $(NANOAPP_POSTPROCESS)
	@mkdir -p $(dir $@)
	$(NANOAPP_POSTPROCESS) -s -a $(APP_ID) -e $(APP_VERSION) -v $(BIN_POSTPROCESS_ARGS) $< $@
	else
	$(OUT)/$(UNSIGNED_BIN) : $(OUT)/$(BIN).bin $(NANOAPP_POSTPROCESS)
	@mkdir -p $(dir $@)
	$(NANOAPP_POSTPROCESS) -a $(APP_ID) -e $(APP_VERSION) -v $(BIN_POSTPROCESS_ARGS) $< $@

	$(OUT)/$(BIN).bin : $(OUT)/$(BIN).elf
	@mkdir -p $(dir $@)
	$(OBJCOPY) -j.relocs -j.flash -j.data -j.dynsym -O binary $< $@
	endif

	$(OUT)/$(BIN).S : $(OUT)/$(BIN).elf
	@mkdir -p $(dir $@)
	$(OBJDUMP) $< -DS > $@

	$(OUT)/$(BIN).elf : $(OBJS)
	@mkdir -p $(dir $@)
	$(LD) $(CFLAGS) $(CXX_FLAGS) $(LDFLAGS) $(OBJS) $(STATIC_LIBS) -o $@

	$(OUT)/%.o : %.S
	@mkdir -p $(dir $@)
	$(AS) $(AS_FLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

	$(OUT)/%.o : %.c
	@mkdir -p $(dir $@)
	$(CC) $(C_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

	$(OUT)/%.o : %.cc
	@mkdir -p $(dir $@)
	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

	$(OUT)/%.o : %.cpp
	@mkdir -p $(dir $@)
	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -DSRC_FILENAME=\"$(notdir $<)\" -c $< -o $@

	# Automatic dependency resolution ##############################################

	DEPS_AS = $(OUT)/deps_as
	DEPS_C = $(OUT)/deps_c
	DEPS_CXX = $(OUT)/deps_cxx

	$(DEPS_AS) : $(AS_SRCS)
	@mkdir -p $(dir $@)
	$(AS) $(AS_CFLAGS) $(CFLAGS) -MM $^ > $@

	$(DEPS_C) : $(C_SRCS)
	@mkdir -p $(dir $@)
	$(CC) $(C_CFLAGS) $(CFLAGS) -MM $^ > $@

	$(DEPS_CXX) : $(CXX_SRCS) $(CPP_SRCS)
	@mkdir -p $(dir $@)
	$(CXX) $(CXX_CFLAGS) $(CFLAGS) -MM $^ > $@

	NOAUTODEPTARGETS = clean

	ifeq ($(words $(findstring $(MAKECMDGOALS), $(NOAUTODEPTARGETS))), 0)

	ifneq ($(AS_SRCS), )
	-include $(DEPS_AS)
	endif

	ifneq ($(C_SRCS), )
	-include $(DEPS_C)
	endif

	ifneq ($(CXX_SRCS)$(CPP_SRCS),)
	-include $(DEPS_CXX)
	endif

	endif

	$(NANOAPP_POSTPROCESS): $(wildcard $(dir $(NANOAPP_POSTPROCESS))/.c $(dir $(NANOAPP_POSTPROCESS))/*.h)
	echo DEPS [$@]: $^
	make -C $(dir $@)

	$(NANOAPP_SIGN): $(wildcard $(dir $(NANOAPP_SIGN))/.c $(dir $(NANOAPP_SIGN))/*.h)
	echo DEPS [$@]: $^
	make -C $(dir $@)

	# Clean targets ################################################################

	clean :
	rm -rf $(OUT)

	sync: $(OUT)/$(BIN).napp
	adb push $< /vendor/firmware/$(BIN).napp