OVMS3-idf/make/project.mk

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#
# Main Project Makefile
# This Makefile is included directly from the user project Makefile in order to call the component.mk
# makefiles of all components (in a separate make process) to build all the libraries, then links them
# together into the final file. If so, PWD is the project dir (we assume).
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#
#
# This makefile requires the environment variable IDF_PATH to be set to the top-level esp-idf directory
# where this file is located.
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#
.PHONY: build-components menuconfig defconfig all build clean all_binaries check-submodules size size-components size-files list-components
all: all_binaries
# see below for recipe of 'all' target
#
# # other components will add dependencies to 'all_binaries'. The
# reason all_binaries is used instead of 'all' is so that the flash
# target can build everything without triggering the per-component "to
# flash..." output targets.)
help:
@echo "Welcome to Espressif IDF build system. Some useful make targets:"
@echo ""
@echo "make menuconfig - Configure IDF project"
@echo "make defconfig - Set defaults for all new configuration options"
@echo ""
@echo "make all - Build app, bootloader, partition table"
@echo "make flash - Flash app, bootloader, partition table to a chip"
@echo "make clean - Remove all build output"
@echo "make size - Display the static memory footprint of the app"
@echo "make size-components, size-files - Finer-grained memory footprints"
@echo "make erase_flash - Erase entire flash contents"
@echo "make monitor - Run idf_monitor tool to monitor serial output from app"
@echo "make simple_monitor - Monitor serial output on terminal console"
@echo "make list-components - List all components in the project"
@echo ""
@echo "make app - Build just the app"
@echo "make app-flash - Flash just the app"
@echo "make app-clean - Clean just the app"
@echo ""
@echo "See also 'make bootloader', 'make bootloader-flash', 'make bootloader-clean', "
@echo "'make partition_table', etc, etc."
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# dependency checks
ifndef MAKE_RESTARTS
ifeq ("$(filter 4.% 3.81 3.82,$(MAKE_VERSION))","")
$(warning "esp-idf build system only supports GNU Make versions 3.81 or newer. You may see unexpected results with other Makes.")
endif
endif
# make IDF_PATH a "real" absolute path
# * works around the case where a shell character is embedded in the environment variable value.
# * changes Windows-style C:/blah/ paths to MSYS/Cygwin style /c/blah
ifeq ("$(OS)","Windows_NT")
# On Windows MSYS2, make wildcard function returns empty string for paths of form /xyz
# where /xyz is a directory inside the MSYS root - so we don't use it.
SANITISED_IDF_PATH:=$(realpath $(IDF_PATH))
else
SANITISED_IDF_PATH:=$(realpath $(wildcard $(IDF_PATH)))
endif
export IDF_PATH := $(SANITISED_IDF_PATH)
ifndef IDF_PATH
$(error IDF_PATH variable is not set to a valid directory.)
endif
ifneq ("$(IDF_PATH)","$(SANITISED_IDF_PATH)")
# implies IDF_PATH was overriden on make command line.
# Due to the way make manages variables, this is hard to account for
#
# if you see this error, do the shell expansion in the shell ie
# make IDF_PATH=~/blah not make IDF_PATH="~/blah"
$(error If IDF_PATH is overriden on command line, it must be an absolute path with no embedded shell special characters)
endif
ifneq ("$(IDF_PATH)","$(subst :,,$(IDF_PATH))")
$(error IDF_PATH cannot contain colons. If overriding IDF_PATH on Windows, use Cygwin-style /c/dir instead of C:/dir)
endif
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# disable built-in make rules, makes debugging saner
MAKEFLAGS_OLD := $(MAKEFLAGS)
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MAKEFLAGS +=-rR
# Default path to the project: we assume the Makefile including this file
# is in the project directory
ifndef PROJECT_PATH
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PROJECT_PATH := $(abspath $(dir $(firstword $(MAKEFILE_LIST))))
export PROJECT_PATH
endif
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# A list of the "common" makefiles, to use as a target dependency
COMMON_MAKEFILES := $(abspath $(IDF_PATH)/make/project.mk $(IDF_PATH)/make/common.mk $(IDF_PATH)/make/component_wrapper.mk $(firstword $(MAKEFILE_LIST)))
export COMMON_MAKEFILES
# The directory where we put all objects/libraries/binaries. The project Makefile can
# configure this if needed.
ifndef BUILD_DIR_BASE
BUILD_DIR_BASE := $(PROJECT_PATH)/build
endif
export BUILD_DIR_BASE
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# Component directories. These directories are searched for components (either the directory is a component,
# or the directory contains subdirectories which are components.)
# The project Makefile can override these component dirs, or add extras via EXTRA_COMPONENT_DIRS
ifndef COMPONENT_DIRS
COMPONENT_DIRS := $(PROJECT_PATH)/components $(EXTRA_COMPONENT_DIRS) $(IDF_PATH)/components $(PROJECT_PATH)/main
endif
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export COMPONENT_DIRS
ifdef SRCDIRS
$(warning SRCDIRS variable is deprecated. These paths can be added to EXTRA_COMPONENT_DIRS or COMPONENT_DIRS instead.)
COMPONENT_DIRS += $(abspath $(SRCDIRS))
endif
# The project Makefile can define a list of components, but if it does not do this we just take all available components
# in the component dirs. A component is COMPONENT_DIRS directory, or immediate subdirectory,
# which contains a component.mk file.
#
# Use the "make list-components" target to debug this step.
ifndef COMPONENTS
# Find all component names. The component names are the same as the
# directories they're in, so /bla/components/mycomponent/component.mk -> mycomponent.
COMPONENTS := $(dir $(foreach cd,$(COMPONENT_DIRS), \
$(wildcard $(cd)/*/component.mk) $(wildcard $(cd)/component.mk) \
))
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COMPONENTS := $(sort $(foreach comp,$(COMPONENTS),$(lastword $(subst /, ,$(comp)))))
endif
export COMPONENTS
# Resolve all of COMPONENTS into absolute paths in COMPONENT_PATHS.
#
# If a component name exists in multiple COMPONENT_DIRS, we take the first match.
#
# NOTE: These paths must be generated WITHOUT a trailing / so we
# can use $(notdir x) to get the component name.
COMPONENT_PATHS := $(foreach comp,$(COMPONENTS),$(firstword $(foreach cd,$(COMPONENT_DIRS),$(wildcard $(dir $(cd))$(comp) $(cd)/$(comp)))))
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# If TESTS_ALL set to 1, set TEST_COMPONENTS_LIST to all components
ifeq ($(TESTS_ALL),1)
TEST_COMPONENTS_LIST := $(COMPONENTS)
else
# otherwise, use TEST_COMPONENTS
TEST_COMPONENTS_LIST := $(TEST_COMPONENTS)
endif
TEST_COMPONENT_PATHS := $(foreach comp,$(TEST_COMPONENTS_LIST),$(firstword $(foreach dir,$(COMPONENT_DIRS),$(wildcard $(dir)/$(comp)/test))))
TEST_COMPONENT_NAMES := $(foreach comp,$(TEST_COMPONENT_PATHS),$(lastword $(subst /, ,$(dir $(comp))))_test)
# Initialise project-wide variables which can be added to by
# each component.
#
# These variables are built up via the component_project_vars.mk
# generated makefiles (one per component).
#
# See docs/build-system.rst for more details.
COMPONENT_INCLUDES :=
COMPONENT_LDFLAGS :=
COMPONENT_SUBMODULES :=
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# COMPONENT_PROJECT_VARS is the list of component_project_vars.mk generated makefiles
# for each component.
#
# Including $(COMPONENT_PROJECT_VARS) builds the COMPONENT_INCLUDES,
# COMPONENT_LDFLAGS variables and also targets for any inter-component
# dependencies.
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#
# See the component_project_vars.mk target in component_wrapper.mk
COMPONENT_PROJECT_VARS := $(addsuffix /component_project_vars.mk,$(notdir $(COMPONENT_PATHS) ) $(TEST_COMPONENT_NAMES))
COMPONENT_PROJECT_VARS := $(addprefix $(BUILD_DIR_BASE)/,$(COMPONENT_PROJECT_VARS))
# this line is -include instead of include to prevent a spurious error message on make 3.81
-include $(COMPONENT_PROJECT_VARS)
# Also add top-level project include path, for top-level includes
COMPONENT_INCLUDES += $(abspath $(BUILD_DIR_BASE)/include/)
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export COMPONENT_INCLUDES
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# Set variables common to both project & component
include $(IDF_PATH)/make/common.mk
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all:
ifdef CONFIG_SECURE_BOOT_ENABLED
@echo "(Secure boot enabled, so bootloader not flashed automatically. See 'make bootloader' output)"
ifndef CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES
@echo "App built but not signed. Sign app & partition data before flashing, via espsecure.py:"
@echo "espsecure.py sign_data --keyfile KEYFILE $(APP_BIN)"
@echo "espsecure.py sign_data --keyfile KEYFILE $(PARTITION_TABLE_BIN)"
endif
@echo "To flash app & partition table, run 'make flash' or:"
else
@echo "To flash all build output, run 'make flash' or:"
endif
@echo $(ESPTOOLPY_WRITE_FLASH) $(ESPTOOL_ALL_FLASH_ARGS)
IDF_VER := $(shell cd ${IDF_PATH} && git describe --always --tags --dirty)
# Set default LDFLAGS
LDFLAGS ?= -nostdlib \
-u call_user_start_cpu0 \
$(EXTRA_LDFLAGS) \
-Wl,--gc-sections \
-Wl,-static \
-Wl,--start-group \
$(COMPONENT_LDFLAGS) \
-lgcc \
-lstdc++ \
-Wl,--end-group \
-Wl,-EL
# Set default CPPFLAGS, CFLAGS, CXXFLAGS
# These are exported so that components can use them when compiling.
# If you need your component to add CFLAGS/etc for it's own source compilation only, set CFLAGS += in your component's Makefile.
# If you need your component to add CFLAGS/etc globally for all source
# files, set CFLAGS += in your component's Makefile.projbuild
# If you need to set CFLAGS/CPPFLAGS/CXXFLAGS at project level, set them in application Makefile
# before including project.mk. Default flags will be added before the ones provided in application Makefile.
# CPPFLAGS used by C preprocessor
# If any flags are defined in application Makefile, add them at the end.
CPPFLAGS := -DESP_PLATFORM -D IDF_VER=\"$(IDF_VER)\" -MMD -MP $(CPPFLAGS) $(EXTRA_CPPFLAGS)
# Warnings-related flags relevant both for C and C++
COMMON_WARNING_FLAGS = -Wall -Werror=all \
-Wno-error=unused-function \
-Wno-error=unused-but-set-variable \
-Wno-error=unused-variable \
-Wno-error=deprecated-declarations \
-Wextra \
-Wno-unused-parameter -Wno-sign-compare
# Flags which control code generation and dependency generation, both for C and C++
COMMON_FLAGS = \
-ffunction-sections -fdata-sections \
-fstrict-volatile-bitfields \
-mlongcalls \
-nostdlib
# Optimization flags are set based on menuconfig choice
ifneq ("$(CONFIG_OPTIMIZATION_LEVEL_RELEASE)","")
OPTIMIZATION_FLAGS = -Os
else
OPTIMIZATION_FLAGS = -Og
endif
ifeq ("$(CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED)", "y")
CPPFLAGS += -DNDEBUG
endif
# Enable generation of debugging symbols
# (we generate even in Release mode, as this has no impact on final binary size.)
DEBUG_FLAGS ?= -ggdb
# List of flags to pass to C compiler
# If any flags are defined in application Makefile, add them at the end.
CFLAGS := $(strip \
-std=gnu99 \
$(OPTIMIZATION_FLAGS) $(DEBUG_FLAGS) \
$(COMMON_FLAGS) \
$(COMMON_WARNING_FLAGS) -Wno-old-style-declaration \
$(CFLAGS) \
$(EXTRA_CFLAGS))
# List of flags to pass to C++ compiler
# If any flags are defined in application Makefile, add them at the end.
CXXFLAGS := $(strip \
-std=gnu++11 \
-fno-exceptions \
-fno-rtti \
$(OPTIMIZATION_FLAGS) $(DEBUG_FLAGS) \
$(COMMON_FLAGS) \
$(COMMON_WARNING_FLAGS) \
$(CXXFLAGS) \
$(EXTRA_CXXFLAGS))
export CFLAGS CPPFLAGS CXXFLAGS
# Set host compiler and binutils
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HOSTCC := $(CC)
HOSTLD := $(LD)
HOSTAR := $(AR)
HOSTOBJCOPY := $(OBJCOPY)
HOSTSIZE := $(SIZE)
export HOSTCC HOSTLD HOSTAR HOSTOBJCOPY SIZE
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# Set target compiler. Defaults to whatever the user has
# configured as prefix + ye olde gcc commands
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CC := $(call dequote,$(CONFIG_TOOLPREFIX))gcc
CXX := $(call dequote,$(CONFIG_TOOLPREFIX))c++
LD := $(call dequote,$(CONFIG_TOOLPREFIX))ld
AR := $(call dequote,$(CONFIG_TOOLPREFIX))gcc-ar
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OBJCOPY := $(call dequote,$(CONFIG_TOOLPREFIX))objcopy
SIZE := $(call dequote,$(CONFIG_TOOLPREFIX))size
export CC CXX LD AR OBJCOPY SIZE
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PYTHON=$(call dequote,$(CONFIG_PYTHON))
# the app is the main executable built by the project
APP_ELF:=$(BUILD_DIR_BASE)/$(PROJECT_NAME).elf
APP_MAP:=$(APP_ELF:.elf=.map)
APP_BIN:=$(APP_ELF:.elf=.bin)
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# Include any Makefile.projbuild file letting components add
# configuration at the project level
define includeProjBuildMakefile
$(if $(V),$(info including $(1)/Makefile.projbuild...))
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COMPONENT_PATH := $(1)
include $(1)/Makefile.projbuild
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endef
$(foreach componentpath,$(COMPONENT_PATHS), \
$(if $(wildcard $(componentpath)/Makefile.projbuild), \
$(eval $(call includeProjBuildMakefile,$(componentpath)))))
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# once we know component paths, we can include the config generation targets
#
# (bootloader build doesn't need this, config is exported from top-level)
ifndef IS_BOOTLOADER_BUILD
include $(IDF_PATH)/make/project_config.mk
endif
# ELF depends on the library archive files for COMPONENT_LIBRARIES
# the rules to build these are emitted as part of GenerateComponentTarget below
#
# also depends on additional dependencies (linker scripts & binary libraries)
# stored in COMPONENT_LINKER_DEPS, built via component.mk files' COMPONENT_ADD_LINKER_DEPS variable
$(APP_ELF): $(foreach libcomp,$(COMPONENT_LIBRARIES),$(BUILD_DIR_BASE)/$(libcomp)/lib$(libcomp).a) $(COMPONENT_LINKER_DEPS) $(COMPONENT_PROJECT_VARS)
$(summary) LD $(notdir $@)
$(CC) $(LDFLAGS) -o $@ -Wl,-Map=$(APP_MAP)
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app: $(APP_BIN)
ifeq ("$(CONFIG_SECURE_BOOT_ENABLED)$(CONFIG_SECURE_BOOT_BUILD_SIGNED_BINARIES)","y") # secure boot enabled, but remote sign app image
@echo "App built but not signed. Signing step via espsecure.py:"
@echo "espsecure.py sign_data --keyfile KEYFILE $(APP_BIN)"
@echo "Then flash app command is:"
@echo $(ESPTOOLPY_WRITE_FLASH) $(CONFIG_APP_OFFSET) $(APP_BIN)
else
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@echo "App built. Default flash app command is:"
@echo $(ESPTOOLPY_WRITE_FLASH) $(CONFIG_APP_OFFSET) $(APP_BIN)
endif
all_binaries: $(APP_BIN)
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$(BUILD_DIR_BASE):
mkdir -p $(BUILD_DIR_BASE)
# Macro for the recursive sub-make for each component
# $(1) - component directory
# $(2) - component name only
#
# Is recursively expanded by the GenerateComponentTargets macro
define ComponentMake
+$(MAKE) -C $(BUILD_DIR_BASE)/$(2) -f $(IDF_PATH)/make/component_wrapper.mk COMPONENT_MAKEFILE=$(1)/component.mk COMPONENT_NAME=$(2)
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endef
# Generate top-level component-specific targets for each component
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# $(1) - path to component dir
# $(2) - name of component
#
define GenerateComponentTargets
.PHONY: component-$(2)-build component-$(2)-clean
component-$(2)-build: check-submodules
$(call ComponentMake,$(1),$(2)) build
component-$(2)-clean:
$(call ComponentMake,$(1),$(2)) clean
$(BUILD_DIR_BASE)/$(2):
@mkdir -p $(BUILD_DIR_BASE)/$(2)
# tell make it can build any component's library by invoking the -build target
# (this target exists for all components even ones which don't build libraries, but it's
# only invoked for the targets whose libraries appear in COMPONENT_LIBRARIES and hence the
# APP_ELF dependencies.)
$(BUILD_DIR_BASE)/$(2)/lib$(2).a: component-$(2)-build
$(details) "Target '$$^' responsible for '$$@'" # echo which build target built this file
# add a target to generate the component_project_vars.mk files that
# are used to inject variables into project make pass (see matching
# component_project_vars.mk target in component_wrapper.mk).
#
# If any component_project_vars.mk file is out of date, the make
# process will call this target to rebuild it and then restart.
#
$(BUILD_DIR_BASE)/$(2)/component_project_vars.mk: $(1)/component.mk $(COMMON_MAKEFILES) $(SDKCONFIG_MAKEFILE) | $(BUILD_DIR_BASE)/$(2)
$(call ComponentMake,$(1),$(2)) component_project_vars.mk
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endef
$(foreach component,$(COMPONENT_PATHS),$(eval $(call GenerateComponentTargets,$(component),$(notdir $(component)))))
$(foreach component,$(TEST_COMPONENT_PATHS),$(eval $(call GenerateComponentTargets,$(component),$(lastword $(subst /, ,$(dir $(component))))_test)))
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app-clean: $(addprefix component-,$(addsuffix -clean,$(notdir $(COMPONENT_PATHS))))
$(summary) RM $(APP_ELF)
rm -f $(APP_ELF) $(APP_BIN) $(APP_MAP)
size: $(APP_ELF)
$(PYTHON) $(IDF_PATH)/tools/idf_size.py $(APP_MAP)
size-files: $(APP_ELF)
$(PYTHON) $(IDF_PATH)/tools/idf_size.py --files $(APP_MAP)
size-components: $(APP_ELF)
$(PYTHON) $(IDF_PATH)/tools/idf_size.py --archives $(APP_MAP)
# NB: this ordering is deliberate (app-clean before config-clean),
# so config remains valid during all component clean targets
config-clean: app-clean
clean: config-clean
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# phony target to check if any git submodule listed in COMPONENT_SUBMODULES are missing
# or out of date, and exit if so. Components can add paths to this variable.
#
# This only works for components inside IDF_PATH
check-submodules:
# Dump the git status for the whole working copy once, then grep it for each submodule. This saves a lot of time on Windows.
GIT_STATUS := $(shell cd ${IDF_PATH} && git status --porcelain --ignore-submodules=dirty)
# Generate a target to check this submodule
# $(1) - submodule directory, relative to IDF_PATH
define GenerateSubmoduleCheckTarget
check-submodules: $(IDF_PATH)/$(1)/.git
$(IDF_PATH)/$(1)/.git:
@echo "WARNING: Missing submodule $(1)..."
[ -e ${IDF_PATH}/.git ] || ( echo "ERROR: esp-idf must be cloned from git to work."; exit 1)
[ -x $(which git) ] || ( echo "ERROR: Need to run 'git submodule init $(1)' in esp-idf root directory."; exit 1)
@echo "Attempting 'git submodule update --init $(1)' in esp-idf root directory..."
cd ${IDF_PATH} && git submodule update --init $(1)
# Parse 'git status' output to check if the submodule commit is different to expected
ifneq ("$(filter $(1),$(GIT_STATUS))","")
$$(info WARNING: esp-idf git submodule $(1) may be out of date. Run 'git submodule update' in IDF_PATH dir to update.)
endif
endef
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# filter/subst in expression ensures all submodule paths begin with $(IDF_PATH), and then strips that prefix
# so the argument is suitable for use with 'git submodule' commands
$(foreach submodule,$(subst $(IDF_PATH)/,,$(filter $(IDF_PATH)/%,$(COMPONENT_SUBMODULES))),$(eval $(call GenerateSubmoduleCheckTarget,$(submodule))))
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# PHONY target to list components in the build and their paths
list-components:
$(info $(call dequote,$(SEPARATOR)))
$(info COMPONENT_DIRS (components searched for here))
$(foreach cd,$(COMPONENT_DIRS),$(info $(cd)))
$(info $(call dequote,$(SEPARATOR)))
$(info COMPONENTS (list of component names))
$(info $(COMPONENTS))
$(info $(call dequote,$(SEPARATOR)))
$(info COMPONENT_PATHS (paths to all components):)
$(foreach cp,$(COMPONENT_PATHS),$(info $(cp)))
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# Check toolchain version using the output of xtensa-esp32-elf-gcc --version command.
# The output normally looks as follows
# xtensa-esp32-elf-gcc (crosstool-NG crosstool-ng-1.22.0-59-ga194053) 4.8.5
# The part in brackets is extracted into TOOLCHAIN_COMMIT_DESC variable,
# the part after the brackets is extracted into TOOLCHAIN_GCC_VER.
ifdef CONFIG_TOOLPREFIX
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ifndef MAKE_RESTARTS
TOOLCHAIN_COMMIT_DESC := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf-gcc.*\ \(([^)]*).*|\1|gp')
TOOLCHAIN_GCC_VER := $(shell $(CC) --version | sed -E -n 's|xtensa-esp32-elf-gcc.*\ \(.*\)\ (.*)|\1|gp')
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# Officially supported version(s)
SUPPORTED_TOOLCHAIN_COMMIT_DESC := crosstool-NG crosstool-ng-1.22.0-61-gab8375a
SUPPORTED_TOOLCHAIN_GCC_VERSIONS := 5.2.0
ifdef TOOLCHAIN_COMMIT_DESC
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ifneq ($(TOOLCHAIN_COMMIT_DESC), $(SUPPORTED_TOOLCHAIN_COMMIT_DESC))
$(info WARNING: Toolchain version is not supported: $(TOOLCHAIN_COMMIT_DESC))
$(info Expected to see version: $(SUPPORTED_TOOLCHAIN_COMMIT_DESC))
$(info Please check ESP-IDF setup instructions and update the toolchain, or proceed at your own risk.)
endif
ifeq (,$(findstring $(TOOLCHAIN_GCC_VER), $(SUPPORTED_TOOLCHAIN_GCC_VERSIONS)))
$(info WARNING: Compiler version is not supported: $(TOOLCHAIN_GCC_VER))
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$(info Expected to see version(s): $(SUPPORTED_TOOLCHAIN_GCC_VERSIONS))
$(info Please check ESP-IDF setup instructions and update the toolchain, or proceed at your own risk.)
endif
else
$(info WARNING: Failed to find Xtensa toolchain, may need to alter PATH or set one in the configuration menu)
endif # TOOLCHAIN_COMMIT_DESC
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endif #MAKE_RESTARTS
endif #CONFIG_TOOLPREFIX