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Makefile.include
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Makefile.include
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MATCH_MAKE_VERSION = 4.%
MAKEFLAGS += --no-builtin-rules
ifeq (,$(filter $(MATCH_MAKE_VERSION),$(MAKE_VERSION)))
$(error GNU Make $(MAKE_VERSION) is not supported by RIOT since release \
2020.01. Please upgrade your system to use GNU Make \
$(MATCH_MAKE_VERSION) or later.)
endif
#
# enable second expansion of prerequisites.
#
# Doing that here enables it globally for all applications.
#
# See https://www.gnu.org/software/make/manual/html_node/Secondary-Expansion.html
# for what it can be used for.
.SECONDEXPANSION:
# Will evaluate to the absolute path of the Makefile it's evaluated in.¹
#
# This variable MUST be immediately evaluated (tmp_var := $(LAST_MAKEFILEDIR))
# unless it is used directly.
#
# [1] Note that this will in fact return the path of the last Makefile that
# was included, so it must be evaluated before any subsequent includes.
LAST_MAKEFILEDIR = $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
# 'Makefile.include' directory, must be evaluated before other 'include'
_riotbase := $(LAST_MAKEFILEDIR)
# include RIOT_MAKEFILES_GLOBAL_PRE configuration files
# allows setting user specific system wide configuration parsed before the body
# of $(RIOTBASE)/Makefile.include
include $(RIOT_MAKEFILES_GLOBAL_PRE)
# Globally set default goal to `all`
.DEFAULT_GOAL := all
# include Makefile.local if it exists
-include Makefile.local
# set undefined variables
RIOTBASE ?= $(_riotbase)
RIOTCPU ?= $(RIOTBASE)/cpu
# Deprecated to set RIOTBOARD, use EXTERNAL_BOARD_DIRS
RIOTBOARD ?= $(RIOTBASE)/boards
EXTERNAL_BOARD_DIRS ?=
RIOTMAKE ?= $(RIOTBASE)/makefiles
RIOTKCONFIG ?= $(RIOTBASE)/kconfigs
RIOTPKG ?= $(RIOTBASE)/pkg
EXTERNAL_PKG_DIRS ?=
RIOTTOOLS ?= $(RIOTBASE)/dist/tools
RIOTPROJECT ?= $(shell git rev-parse --show-toplevel 2>/dev/null || pwd)
BUILD_DIR ?= $(RIOTBASE)/build
APPDIR ?= $(CURDIR)
BINDIRBASE ?= $(APPDIR)/bin
BINDIR ?= $(BINDIRBASE)/$(BOARD)
PKGDIRBASE ?= $(BUILD_DIR)/pkg
DLCACHE ?= $(RIOTTOOLS)/dlcache/dlcache.sh
DLCACHE_DIR ?= $(RIOTBASE)/.dlcache
RIOT_VERSION_DUMMY_CODE ?= RIOT_VERSION_NUM\(2042,5,23,0\)
# include CI info such as BOARD_INSUFFICIENT_MEMORY, if existing
-include Makefile.ci
__DIRECTORY_VARIABLES := \
RIOTBASE \
RIOTCPU \
RIOTMAKE \
RIOTPKG \
RIOTTOOLS \
RIOTPROJECT \
APPDIR \
BUILD_DIR \
BINDIRBASE \
BINDIR \
PKGDIRBASE \
DLCACHE_DIR \
#
# In GNU make command line is supposed to override the value set in makefile
# These variables can be overridden even when set from command line
__OVERRIDE_DIRECTORY_VARIABLES := $(__DIRECTORY_VARIABLES)
# Use absolute paths in recursive "make" even if overridden on command line.
MAKEOVERRIDES += $(foreach v,$(__OVERRIDE_DIRECTORY_VARIABLES),$(v)=$($(v)))
# Setting EXTERNAL_BOARD_DIRS and EXTERNAL_MODULE_DIRS as command line argument
# is too messy to handle: Even when every path in EXTERNAL_BOARD_DIRS is turned
# into an absolute path using override, sub-makes will still get the original
# value. Using MAKEOVERRIDES has issues with spaces in the values, which are
# used as separator in EXTERNAL_BOARD_DIRS. So we just enforce setting the value
# either in a Makefile, or as environment variable.
ifeq ($(INSIDE_DOCKER),0)
# In Docker absolute paths are always given, so only fail when not in docker
ifeq ($(origin EXTERNAL_BOARD_DIRS),command line)
$(error EXTERNAL_BOARD_DIRS must be passed as environment variable, and not as command line argument)
endif
ifeq ($(origin EXTERNAL_MODULE_DIRS),command line)
$(error EXTERNAL_MODULE_DIRS must be passed as environment variable, and not as command line argument)
endif
ifeq ($(origin EXTERNAL_PKG_DIRS),command line)
$(error EXTERNAL_PKG_DIRS must be passed as environment variable, and not as command line argument)
endif
endif
# Deprecation of configuring 'RIOTBOARD'
ifneq ($(abspath $(RIOTBASE)/boards),$(abspath $(RIOTBOARD)))
$(warning overriding RIOTBOARD for external boards is deprecated, use EXTERNAL_BOARD_DIRS instead)
override RIOTBOARD := $(abspath $(RIOTBOARD))
__DIRECTORY_VARIABLES += RIOTBOARD
endif
# Only warn users, not the CI.
ifneq ($(RIOT_CI_BUILD),1)
# Do not warn when set from sub-make
ifeq ($(MAKELEVEL),0)
ifneq (,$(BOARDSDIR))
$(warning Using BOARDSDIR is deprecated use EXTERNAL_BOARD_DIRS instead)
endif
endif
endif
# Needed for backward compatibility:
ifneq (,$(BOARDSDIR))
EXTERNAL_BOARD_DIRS += $(BOARDSDIR)
endif
# Make all paths absolute.
override RIOTBASE := $(abspath $(RIOTBASE))
override RIOTCPU := $(abspath $(RIOTCPU))
override RIOTMAKE := $(abspath $(RIOTMAKE))
override RIOTPKG := $(abspath $(RIOTPKG))
override RIOTTOOLS := $(abspath $(RIOTTOOLS))
override RIOTPROJECT := $(abspath $(RIOTPROJECT))
override APPDIR := $(abspath $(APPDIR))
override BUILD_DIR := $(abspath $(BUILD_DIR))
override BINDIRBASE := $(abspath $(BINDIRBASE))
override BINDIR := $(abspath $(BINDIR))
override PKGDIRBASE := $(abspath $(PKGDIRBASE))
override DLCACHE_DIR := $(abspath $(DLCACHE_DIR))
EXTERNAL_BOARD_DIRS := $(foreach dir,\
$(EXTERNAL_BOARD_DIRS),\
$(abspath $(dir)))
EXTERNAL_MODULE_DIRS := $(foreach dir,\
$(EXTERNAL_MODULE_DIRS),\
$(abspath $(dir)))
EXTERNAL_PKG_DIRS := $(foreach dir,\
$(EXTERNAL_PKG_DIRS),\
$(abspath $(dir)))
# Ensure that all directories are set and don't contain spaces.
ifneq (, $(filter-out 1, $(foreach v,$(__DIRECTORY_VARIABLES),$(words $($(v))))))
$(info Aborting compilation for your safety.)
$(info Related variables = $(__DIRECTORY_VARIABLES))
$(error Make sure no path override is empty or contains spaces!)
endif
# Path to the current directory relative to RIOTPROJECT
# trailing '/' is important when RIOTPROJECT == CURDIR
BUILDRELPATH ?= $(patsubst $(RIOTPROJECT)/%,%,$(CURDIR)/)
# Set CLEAN to "clean" if that target was requested.
# Allows recipes to be run after cleaning, without triggering it implicitly:
#
# all: | $(CLEAN)
#
CLEAN = $(filter clean, $(MAKECMDGOALS))
# include makefiles utils tools
include $(RIOTMAKE)/utils/variables.mk
include $(RIOTMAKE)/utils/strings.mk
# include nimble makefile tools
include $(RIOTMAKE)/pkg/nimble.adv.mk
# UNAME is always needed so use simple variable expansion so only evaluated once
UNAME := $(shell uname -m -s)
OS = $(word 1, $(UNAME))
OS_ARCH = $(word 2, $(UNAME))
# set python path, e.g. for tests
PYTHONPATH := $(RIOTBASE)/dist/pythonlibs/:$(PYTHONPATH)
# Basic utilities included before anything else
include $(RIOTMAKE)/utils/checks.mk
# Include Docker settings near the top because we need to build the environment
# command line before some of the variable origins are overwritten below when
# using abspath, strip etc.
include $(RIOTMAKE)/docker.inc.mk
# include color echo macros
include $(RIOTMAKE)/utils/ansi.mk
include $(RIOTMAKE)/color.inc.mk
# include concurrency helpers
include $(RIOTMAKE)/info-nproc.inc.mk
# List of boards variables
include $(RIOTMAKE)/boards.inc.mk
# Debug targets for build system migration
include $(RIOTMAKE)/dependencies_debug.inc.mk
# Use TOOLCHAIN environment variable to select the toolchain to use.
ifneq (,$(filter native native64,$(BOARD)))
ifeq ($(OS),Darwin)
$(shell $(COLOR_ECHO) "$(COLOR_RED)"Buildin on macOS is not supported."\
"We recommend vagrant for building:$(COLOR_RESET)"\
"https://github.com/RIOT-OS/RIOT/blob/master/dist/tools/vagrant/README.md 1>&2)
endif
endif
# Use override so that we can redefine a variable set on the command line (as
# opposed to one set in the environment)
ifeq (clang,$(TOOLCHAIN))
# TOOLCHAIN = clang is an alias for TOOLCHAIN = llvm
override TOOLCHAIN := llvm
endif
ifeq (gcc,$(TOOLCHAIN))
# TOOLCHAIN = gcc is an alias for TOOLCHAIN = gnu
override TOOLCHAIN := gnu
endif
ifeq (,$(TOOLCHAIN))
override TOOLCHAIN := gnu
endif
include $(RIOTMAKE)/cargo-settings.inc.mk
GLOBAL_GOALS += buildtest \
buildtest-indocker \
info-boards-features-blacklisted \
info-boards-features-conflicting \
info-boards-features-missing \
info-boards-supported \
info-buildsizes info-buildsizes-diff \
generate-Makefile.ci \
#
ifneq (, $(filter $(GLOBAL_GOALS), $(MAKECMDGOALS)))
include $(RIOTMAKE)/info-global.inc.mk
include $(RIOTMAKE)/buildtests.inc.mk
else
all: link
# Folders to search: First the external boards, than the official
BOARDSDIRS := $(EXTERNAL_BOARD_DIRS) $(RIOTBOARD)
# Take the first folder in $(BOARDSDIRS) that contains a folder named $(BOARD)
BOARDDIR := $(word 1,$(foreach dir,$(BOARDSDIRS),$(wildcard $(dir)/$(BOARD)/.)))
# Sanitize folder
BOARDDIR := $(abspath $(BOARDDIR))
# Also provide BOARDSDIR for compatibility and for accessing common folders
# (e.g. include $(BOARDSDIR)/common/external_common/Makefile.dep)
BOARDSDIR := $(dir $(BOARDDIR))
ifeq (,$(BOARDDIR))
$(info Folders searched for the board: $(BOARDSDIRS))
$(error The specified board $(BOARD) does not exist.)
endif
include $(RIOTMAKE)/info.inc.mk
# Static code analysis tools provided by LLVM
include $(RIOTMAKE)/scan-build.inc.mk
export RIOTBUILD_CONFIG_HEADER_C = $(BINDIR)/riotbuild/riotbuild.h
ifeq ($(OS),Darwin)
OPEN := open
else
OPEN := xdg-open
endif
QUIET ?= 1
QUIETER ?= 0
ifeq ($(QUIET),1)
Q=@
MAKEFLAGS += --no-print-directory
else
Q=
endif
# Set this to 1 to enable pretty-printing the assert location in addition
# to the address of the failing assert.
# This saves you to resolve the address manually with addr2line at the cost
# of greater ROM consumption.
VERBOSE_ASSERT ?= 0
ifeq ($(VERBOSE_ASSERT),1)
CFLAGS += -DDEBUG_ASSERT_VERBOSE
DEVELHELP := 1
endif
# Set this to 1 to enable code in RIOT that does safety checking
# which is not needed in a production environment but helps in the
# development process:
DEVELHELP ?= 0
ifeq ($(DEVELHELP),1)
CFLAGS += -DDEVELHELP
endif
# Set this to 1 to enable thread names
THREAD_NAMES ?= 0
ifeq ($(THREAD_NAMES),1)
CFLAGS += -DCONFIG_THREAD_NAMES
endif
# Override LOG_LEVEL if variable is set and if CFLAGS doesn't already contain
# a LOG_LEVEL config
ifdef LOG_LEVEL
ifeq (,$(filter -DLOG_LEVEL=%,$(CFLAGS)))
CFLAGS += -DLOG_LEVEL=$(LOG_LEVEL)
endif
endif
# Fail on warnings. Can be overridden by `make WERROR=0`.
WERROR ?= 1
ifeq ($(WERROR),1)
CFLAGS += -Werror
endif
WPEDANTIC ?= 0
ifeq ($(WPEDANTIC),1)
CFLAGS += -Wpedantic
endif
# Provide a shallow sanity check. You cannot call `make` in a module directory.
export __RIOTBUILD_FLAG := RIOT
BOARD := $(strip $(BOARD))
APPLICATION := $(strip $(APPLICATION))
# provide common external programs for `Makefile.include`s
ifeq (,$(and $(DOWNLOAD_TO_STDOUT),$(DOWNLOAD_TO_FILE)))
ifeq (,$(WGET))
ifeq (0,$(shell which wget > /dev/null 2>&1 ; echo $$?))
WGET = $(call memoized,WGET,$(shell which wget))
endif
endif
ifeq (,$(CURL))
ifeq (0,$(shell which curl > /dev/null 2>&1 ; echo $$?))
CURL = $(call memoized,CURL,$(shell which curl))
endif
endif
ifeq (,$(WGET)$(CURL))
$(warning Neither wget nor curl is installed!)
endif
ifeq (,$(DOWNLOAD_TO_STDOUT))
DOWNLOAD_TO_STDOUT ?= $(if $(CURL),$(CURL) -s,$(WGET) -q -O-)
endif
ifeq (,$(DOWNLOAD_TO_FILE))
DOWNLOAD_TO_FILE ?= $(if $(WGET),$(WGET) -nv -c -O,$(CURL) -s -o)
endif
endif
ifeq (,$(UNZIP_HERE))
ifeq (0,$(shell which unzip > /dev/null 2>&1 ; echo $$?))
UNZIP_HERE = $(call memoized,UNZIP_HERE,$(shell which unzip) -q)
else
ifeq (0,$(shell which 7z > /dev/null 2>&1 ; echo $$?))
UNZIP_HERE = $(call memoized,UNZIP_HERE,$(shell which 7z) x -bd)
else
$(warning Neither unzip nor 7z is installed.)
endif
endif
endif
# Tool saving stdin to a file only on content update.
# It keeps the file timestamp if it would end up the same.
LAZYSPONGE ?= $(RIOTTOOLS)/lazysponge/lazysponge.py
LAZYSPONGE_FLAGS ?= $(if $(filter 1,$(QUIET)),,--verbose)
ifeq (, $(APPLICATION))
$(error An application name must be specified as APPLICATION.)
endif
# default toolchain prefix, defaults to target triple followed by a dash, you
# will most likely not need to touch this.
export PREFIX ?= $(if $(TARGET_ARCH),$(TARGET_ARCH)-)
# set default PROGRAMMER value if flashing a board on IoT-LAB
# This must be done before parsing the Makefile.include of the board and cannot
# be done in makefile.iotlab.single.inc.mk which is included after.
ifneq (,$(IOTLAB_NODE))
PROGRAMMER ?= iotlab
# iotlab uses ELFFILE by default for flashing boards.
FLASHFILE ?= $(ELFFILE)
# Disable IOTLAB_NODE if inside Docker to avoid including the
# iotlab.single.inc.mk file which is useless there: it's only useful for
# flashing and this is done outside of Docker.
ifeq (1,$(INSIDE_DOCKER))
IOTLAB_NODE :=
endif
endif
# Add standard include directories
INCLUDES += -I$(RIOTBASE)/core/lib/include
INCLUDES += -I$(RIOTBASE)/core/include
INCLUDES += -I$(RIOTBASE)/drivers/include
INCLUDES += -I$(RIOTBASE)/sys/include
# process provided features
include $(RIOTBASE)/Makefile.features
ifneq ($(RIOT_CI_BUILD),1)
# Warn about used deprecated boards
include $(RIOTMAKE)/deprecated_boards.inc.mk
include $(RIOTMAKE)/deprecated_cpus.inc.mk
endif
# mandatory includes!
include $(RIOTMAKE)/pseudomodules.inc.mk
include $(RIOTMAKE)/defaultmodules_regular.inc.mk
# Include Kconfig functionalities
include $(RIOTMAKE)/kconfig.mk
# always select provided architecture features
FEATURES_REQUIRED += $(filter arch_%,$(FEATURES_PROVIDED))
# always select CPU core features
FEATURES_REQUIRED += $(filter cpu_core_%,$(FEATURES_PROVIDED))
# check if required features are provided and update $(FEATURES_USED)
include $(RIOTMAKE)/features_check.inc.mk
# handle removal of default modules
USEMODULE += $(filter-out $(DISABLE_MODULE), $(DEFAULT_MODULE))
# avoid recursive expansion
USEMODULE := $(sort $(USEMODULE))
# process dependencies
include $(RIOTMAKE)/dependency_resolution.inc.mk
# Include dfu-util configuration when using riotboot_dfu bootloader before
# including the board's Makefile.include which could define dfu-util
# configuration for other DFU bootloaders in use.
include $(RIOTMAKE)/boot/riotboot_dfu-util.mk
# Include Board and CPU configuration
INCLUDES += $(addprefix -I,$(wildcard $(BOARDDIR)/include))
include $(BOARDDIR)/Makefile.include
INCLUDES += -I$(RIOTCPU)/$(CPU)/include
include $(RIOTCPU)/$(CPU)/Makefile.include
# Include common serial logic to define TERMPROG, TERMFLAGS variables based on
# the content of RIOT_TERMINAL
include $(RIOTMAKE)/tools/serial.inc.mk
# Include emulator code when required and if available
ifeq (1,$(EMULATE))
# Use renode as default emulator
RIOT_EMULATOR ?= renode
-include $(RIOTMAKE)/tools/$(RIOT_EMULATOR).inc.mk
TERMDEPS += $(EMULATORDEPS)
DEBUGDEPS += $(EMULATORDEPS)
endif
# Include common programmer logic if available
-include $(RIOTMAKE)/tools/$(PROGRAMMER).inc.mk
# Check if programmer is supported by the board, only if PROGRAMMERS_SUPPORTED
# is set and if programmer is not iotlab
ifneq ($(RIOT_CI_BUILD),1)
ifneq (iotlab,$(PROGRAMMER))
ifneq (,$(PROGRAMMERS_SUPPORTED))
ifeq (,$(filter $(PROGRAMMER),$(PROGRAMMERS_SUPPORTED)))
$(warning '$(PROGRAMMER)' programmer is not supported by this board. \
Supported programmers: '$(PROGRAMMERS_SUPPORTED)')
endif
endif
endif
endif
# Assume GCC/GNU as supported toolchain if CPU's Makefile.include doesn't
# provide this macro
TOOLCHAINS_SUPPORTED ?= gnu
# Import all toolchain settings
include $(RIOTMAKE)/toolchain/$(TOOLCHAIN).inc.mk
# Other than on native, RWX segments in ROM are not actually RWX, as regular
# store instructions won't write to flash.
ifeq (,$(filter native native64,$(BOARD)))
LINKER_SUPPORTS_NOWARNRWX ?= $(shell LC_ALL=C $(LINK) $(RIOTTOOLS)/testprogs/minimal_linkable.c -o /dev/null -lc -Wall -Wextra -pedantic -Wl,--no-warn-rwx-segments 2> /dev/null && echo 1 || echo 0)
ifeq (1,$(LINKER_SUPPORTS_NOWARNRWX))
LINKFLAGS += -Wl,--no-warn-rwx-segments
endif
endif
# Append ldscript path after importing CPU and board makefiles to allow
# overriding the core ldscripts
LINKFLAGS += -L$(RIOTBASE)/core/ldscripts
# include undefined behaviour sanitizer (UBSAN) support
include $(RIOTMAKE)/ubsan.inc.mk
# Tell ccache to pass the original file to the compiler, instead of passing the
# preprocessed code. Without this setting, the compilation will fail with
# -Wimplicit-fallthrough warnings even when the fall through case is properly
# commented because the preprocessor has stripped the comments from the code.
# This also fixes some other false warnings when compiling with LLVM/Clang.
# The environment variable only affects builds with ccache (e.g. on CI/Murdock).
# Non cached builds are not affected in any way.
# For more information, see http://petereisentraut.blogspot.com/2011/09/ccache-and-clang-part-2.html
export CCACHE_CPP2=yes
# set some settings useful for continuous integration builds
ifeq ($(RIOT_CI_BUILD),1)
RIOT_VERSION ?= buildtest
# set a dummy version number
RIOT_VERSION_CODE ?= $(RIOT_VERSION_DUMMY_CODE)
ifneq ($(filter $(BOARD_INSUFFICIENT_MEMORY), $(BOARD)),)
RIOTNOLINK:=1
endif
# be more quiet when building for CI
QUIETER=1
endif
ifeq ($(QUIETER),1)
QQ=@
else
QQ=
endif
# if you want to publish the board into the sources as an uppercase #define
BOARDDEF = $(call uppercase_and_underscore,$(BOARD))
CPUDEF = $(call uppercase_and_underscore,$(CPU))
CFLAGS += -DRIOT_APPLICATION=\"$(APPLICATION)\"
CFLAGS += -DBOARD_$(BOARDDEF)=\"$(BOARD)\" -DRIOT_BOARD=BOARD_$(BOARDDEF)
CFLAGS += -DCPU_$(CPUDEF)=\"$(CPU)\" -DRIOT_CPU=CPU_$(CPUDEF)
# Feature test default CFLAGS and LINKFLAGS for the set compiled.
include $(RIOTMAKE)/cflags.inc.mk
# Include VERSION for releases
-include $(RIOTBASE)/VERSION
-include $(RIOTBASE)/EXTRAVERSION
include $(RIOTMAKE)/git_version.inc.mk
RIOT_VERSION ?= $(or $(GIT_VERSION),'UNKNOWN (builddir: $(RIOTBASE))')
RIOT_EXTRAVERSION ?= 0
# Deprecate using RIOT_VERSION_OVERRIDE but currently keep the behavior
ifneq (,$(RIOT_VERSION_OVERRIDE))
$(warning 'RIOT_VERSION_OVERRIDE' is deprecated, it can now be set with 'RIOT_VERSION' directly.)
RIOT_VERSION = $(RIOT_VERSION_OVERRIDE)
endif
# Generate machine readable RIOT VERSION macro
RIOT_VERSION_CODE ?= $(shell echo $(RIOT_VERSION) | \
sed -E 's/([0-9]+)\.([0-9]+)\.?([0-9]+)?.*/RIOT_VERSION_NUM\\\(\1,\2,0\3,$(RIOT_EXTRAVERSION)\\\)/' | \
grep RIOT_VERSION_NUM || echo "$(RIOT_VERSION_DUMMY_CODE)")
# Set module by prepending APPLICATION name with 'application_'.
# It prevents conflict with application and modules with the same name.
APPLICATION_MODULE ?= application_$(APPLICATION)
# the binaries to link
BASELIBS += $(APPLICATION_MODULE).module
BASELIBS += $(APPDEPS)
# add extra include paths for packages in $(USEMODULE)
USEMODULE_INCLUDES =
include $(RIOTBASE)/sys/Makefile.include
# add default board_init()
DIRS += $(RIOTBASE)/boards/common/init
# include Makefile.includes of each driver modules if they exist
-include $(USEMODULE:%=$(RIOTBASE)/drivers/%/Makefile.include)
# include Makefile.includes for packages in $(PKG_PATHS)
-include $(PKG_PATHS:%=%Makefile.include)
# include external modules configuration
-include $(EXTERNAL_MODULE_PATHS:%=%Makefile.include)
# Deduplicate includes without sorting them
# see https://stackoverflow.com/questions/16144115/makefile-remove-duplicate-words-without-sorting
define uniq
$(eval seen :=)
$(foreach _,$1,$(if $(filter $_,$(seen)),,$(eval seen += $_)))
$(seen)
endef
USEMODULE_INCLUDES_ = $(strip $(call uniq,$(USEMODULE_INCLUDES)))
INCLUDES += $(USEMODULE_INCLUDES_:%=-I%)
# include bindist target
include $(RIOTMAKE)/bindist.inc.mk
# Add all USEMODULE modules to CFLAGS and populate BASELIBS
include $(RIOTMAKE)/modules.inc.mk
.PHONY: all link clean flash flash-only termdeps term doc debug debug-server reset objdump help info-modules
.PHONY: print-size elffile lstfile binfile hexfile flashfile cosy
.PHONY: ..in-docker-container
# Targets that depend on FORCE will always be rebuilt. Contrary to a .PHONY
# target, they are considered real files and the modification timestamp is taken
# into account.
#
# FORCE is useful for goals that may keep outputs unchanged (for example, if it
# depends on environment or configuration variables). If the goal were .PHONY, it
# would trigger a rebuild of all its dependents regardless of file modification.
#
# As general rule, use .PHONY only for non-file targets.
#
# For more information, see:
# https://www.gnu.org/software/make/manual/html_node/Phony-Targets.html
# https://www.gnu.org/software/make/manual/html_node/Force-Targets.html
.PHONY: FORCE
ifneq (,$(IOTLAB_NODE))
# iot-lab archi mapping
include $(RIOTBASE)/dist/testbed-support/makefile.iotlab.archi.inc.mk
ifneq (,$(IOTLAB_ARCHI))
# iot-lab serial and flasher
include $(RIOTBASE)/dist/testbed-support/makefile.iotlab.single.inc.mk
else
$(info $(COLOR_YELLOW)Board "$(BOARD)" incompatible with IOTLAB_NODE variable$(COLOR_RESET))
endif
endif
ELFFILE ?= $(BINDIR)/$(APPLICATION).elf
HEXFILE ?= $(ELFFILE:.elf=.hex)
BINFILE ?= $(ELFFILE:.elf=.bin)
HASHFILE ?= $(BINFILE)
MAPFILE ?= $(ELFFILE:.elf=.map)
LSTFILE ?= $(ELFFILE:.elf=.lst)
ifneq (,$(filter suit,$(USEMODULE)))
include $(RIOTMAKE)/suit.base.inc.mk
endif
# include bootloaders support. It should be included early to allow using
# variables defined in `riotboot.mk` for `FLASHFILE` before it is evaluated.
# It should be included after defining 'BINFILE' for 'riotboot.bin' handling.
include $(RIOTMAKE)/boot/riotboot.mk
# include suit targets
ifneq (,$(filter suit,$(USEMODULE)))
include $(RIOTMAKE)/suit.inc.mk
endif
# elf file used for the debugger, must include bootloader offset
DEBUG_ELFFILE ?= $(ELFFILE)
# Targets to get given file
elffile: $(ELFFILE)
hexfile: $(HEXFILE)
binfile: $(BINFILE)
lstfile: $(LSTFILE)
# FLASHFILE is the file used by the flasher
# Usually set to $(ELFFILE), $(HEXFILE) or $(BINFILE) in the board/flasher
# or application specific files
flashfile: $(FLASHFILE)
ifeq (,$(FLASHFILE))
$(error FLASHFILE is not defined for this board: $(BOARD))
endif
BUILD_FILES += $(ELFFILE) $(BINFILE) $(FLASHFILE) $(HASHFILE)
# variables used to compile and link c++
ifneq (,$(filter cpp,$(USEMODULE)))
CPPMIX ?= 1
endif
# We assume $(LINK) to be gcc-like. Use `LINKFLAGPREFIX :=` for ld-like linker options.
LINKFLAGPREFIX ?= -Wl,
# Also build external modules
DIRS += $(EXTERNAL_MODULE_PATHS)
# Define dependencies required for building (headers, downloading source files,)
BUILDDEPS += $(RIOTBUILD_CONFIG_HEADER_C)
BUILDDEPS += pkg-prepare
BUILDDEPS += $(APPDEPS)
BUILDDEPS += $(MODULE_LIST_DIR)
# Build dependencies depend on clean (if a make goal), as clean may wipe them.
# Without them depending on clean parallel builds occasionally fail due to
# clean removing dependencies that make previously considered as up to date.
$(BUILDDEPS): $(CLEAN)
# include makefile snippets for packages in $(PKG_PATHS) that modify GENSRC:
-include $(PKG_PATHS:%=%Makefile.gensrc)
# remove duplicates & make accessible to subprocesses
GENSRC := $(sort $(GENSRC))
export GENSRC
# Save value to verify it is not modified later
_BASELIBS_VALUE_BEFORE_USAGE := $(BASELIBS)
# Linker rule
# Only use --start-group when archives are defined
ARCHIVES_GROUP = $(if $(ARCHIVES),$(LINKFLAGPREFIX)--start-group $(ARCHIVES) -lm $(LINKFLAGPREFIX)--end-group, -lm)
$(ELFFILE): FORCE
ifeq ($(BUILDOSXNATIVE),1)
_LINK = $(if $(CPPMIX),$(LINKXX),$(LINK)) $$(find $(BASELIBS:%.module=$(BINDIR)/%/) -name "*.o" 2> /dev/null | sort) $(ARCHIVES_GROUP) $(LINKFLAGS) $(LINKFLAGPREFIX)-no_pie
else
_LINK = $(if $(CPPMIX),$(LINKXX),$(LINK)) $$(find $(BASELIBS:%.module=$(BINDIR)/%/) -name "*.o" 2> /dev/null | sort) $(ARCHIVES_GROUP) $(LINKFLAGS) $(LINKFLAGPREFIX)-Map=$(BINDIR)/$(APPLICATION).map
endif # BUILDOSXNATIVE
COMPILE_COMMANDS_PATH ?= $(if $(findstring $(RIOTBASE),$(APPDIR)),$(RIOTBASE)/compile_commands.json, $(APPDIR)/compile_commands.json)
COMPILE_COMMANDS_FLAGS ?= --clangd
.PHONY: compile-commands
compile-commands: $(COMPILE_COMMANDS_PATH)
%/compile_commands.json: $(BUILDDEPS)
$(Q)DIRS="$(DIRS)" APPLICATION_BLOBS="$(BLOBS)" \
APPLICATION_SRC="$(SRC)" APPLICATION_SRCXX="$(SRCXX)" APPLICATION_ASMSRC="$(ASMSRC)" APPLICATION_ASSMSRC="$(ASSMSRC)" \
"$(MAKE)" -C $(APPDIR) -f $(RIOTMAKE)/application.inc.mk compile-commands
$(Q)$(RIOTTOOLS)/compile_commands/compile_commands.py $(COMPILE_COMMANDS_FLAGS) $(BINDIR) \
> $@
ifeq ($(BUILD_IN_DOCKER),1)
link: ..in-docker-container
else
ifeq (,$(RIOTNOLINK))
link: ..compiler-check ..build-message $(BUILD_FILES) print-size ..module-check
else
link: ..compiler-check ..build-message $(BASELIBS) $(ARCHIVES) ..module-check
endif # RIOTNOLINK
$(ELFFILE): $(BASELIBS) $(ARCHIVES) $(LD_SCRIPTS)
$(Q)$(_LINK) -o $@
.PHONY: $(APPLICATION_MODULE).module
..module-check: $(BASELIBS)
@[ -z "$(strip $(NON_GENERATED_MODULES))" ] || \
($(COLOR_ECHO) "$(COLOR_RED)Error - using unknown modules: $(COLOR_RESET)$(NON_GENERATED_MODULES)" && false)
$(APPLICATION_MODULE).module: pkg-build $(BUILDDEPS)
$(Q)DIRS="$(DIRS)" APPLICATION_BLOBS="$(BLOBS)" \
APPLICATION_SRC="$(SRC)" APPLICATION_SRCXX="$(SRCXX)" APPLICATION_ASMSRC="$(ASMSRC)" APPLICATION_ASSMSRC="$(ASSMSRC)" \
"$(MAKE)" -C $(APPDIR) -f $(RIOTMAKE)/application.inc.mk
$(APPLICATION_MODULE).module: FORCE
# Other modules are built by application.inc.mk and packages building
_SUBMAKE_LIBS = $(filter-out $(APPLICATION_MODULE).module $(APPDEPS), $(BASELIBS) $(ARCHIVES))
$(_SUBMAKE_LIBS): $(APPLICATION_MODULE).module pkg-build $(GENSRC)
# 'print-size' triggers a rebuild. Use 'info-buildsize' if you do not need to rebuild.
print-size: $(ELFFILE)
$(Q)$(SIZE) $(SIZEFLAGS) $<
%.hex: %.elf
$(Q)$(OBJCOPY) $(OFLAGS) -Oihex $< $@
%.bin: %.elf
$(Q)$(OBJCOPY) $(OFLAGS) -Obinary $< $@
%.lst: %.elf
$(Q)$(OBJDUMP) --disassemble-all --file-headers --file-offsets \
--section-headers --line-numbers --private-headers --source --wide \
--disassemble-zeroes $< > $@
endif # BUILD_IN_DOCKER
# Check given command is available in the path
# check_cmd 'command' 'description'
define check_cmd
@command -v $1 >/dev/null 2>&1 || \
{ $(COLOR_ECHO) \
'$(COLOR_RED)$2 $1 is required but not found in PATH. Aborting.$(COLOR_RESET)'; \
exit 1;}
endef
# Check if setsid command is available on the system for debug target
# This is not the case on MacOSX, so it must be built on the fly
ifeq ($(OS),Darwin)
ifneq (,$(filter debug, $(MAKECMDGOALS)))
ifneq (0,$(shell command -v setsid > /dev/null 2>&1 ; echo $$?))
SETSID = $(RIOTTOOLS)/setsid/setsid
$(call target-export-variables,debug,$(SETSID))
DEBUGDEPS += $(SETSID)
endif
endif
endif
..compiler-check:
$(call check_cmd,$(CC),Compiler)
..build-message: $(if $(SHOULD_RUN_KCONFIG), check-kconfig-errors)
@$(COLOR_ECHO) '$(COLOR_GREEN)Building application "$(APPLICATION)" for "$(BOARD)" with CPU "$(CPU)".$(COLOR_RESET)'
@$(COLOR_ECHO)
# The `clean` needs to be serialized before everything else.
all $(BASELIBS) $(ARCHIVES) $(BUILDDEPS) $(GENSRC) ..in-docker-container: | $(CLEAN)
.PHONY: pkg-prepare pkg-build
pkg-prepare:
-@$(foreach dir,$(PKG_PATHS),"$(MAKE)" -C $(dir) prepare $(NEWLINE))
$(GENSRC): pkg-prepare
pkg-build: $(BUILDDEPS) | $(GENSRC)
$(foreach dir,$(PKG_PATHS),$(QQ)"$(MAKE)" -C $(dir) $(NEWLINE))
clean:
ifndef MAKE_RESTARTS
-@$(foreach dir,$(PKG_PATHS),"$(MAKE)" -C $(dir) clean $(NEWLINE))
-@rm -rf $(BINDIR)
-@rm -rf $(SCANBUILD_OUTPUTDIR)
endif
# Remove intermediates, but keep the .elf, .hex and .map etc.
clean-intermediates:
-@$(foreach dir,$(PKG_PATHS),"$(MAKE)" -C $(dir) distclean $(NEWLINE))
-@rm -rf $(BINDIR)/*.a $(BINDIR)/*/
clean-pkg:
-@$(foreach dir,$(PKG_PATHS),"$(MAKE)" -C $(dir) distclean $(NEWLINE))
distclean:
-@$(foreach dir,$(PKG_PATHS),"$(MAKE)" -C $(dir) distclean $(NEWLINE))
-@rm -rf $(BINDIRBASE)
# Include PROGRAMMER_FLASH/PROGRAMMER_RESET variables
include $(RIOTMAKE)/tools/programmer.inc.mk
# Define flash-recipe with a default value
define default-flash-recipe
$(call check_cmd,$(FLASHER),Flash program)
$(PROGRAMMER_FLASH)
endef
flash-recipe ?= $(default-flash-recipe)
# Do not add dependencies to "flash" directly, use FLASHDEPS, as this is shared
# with flash-only too
flash: all $(FLASHDEPS)
$(flash-recipe)
flash-only: $(FLASHDEPS)
$(flash-recipe)
preflash: $(BUILD_BEFORE_FLASH)
$(PREFLASHER_PREFIX)$(PREFLASHER) $(PREFFLAGS)
# graphical memory usage analyzer
COSY_TOOL ?= $(PKGDIRBASE)/cosy/cosy.py
COSY_PORT ?= 12345
cosy: $(ELFFILE) $(COSY_TOOL)
$(COSY_TOOL) --port $(COSY_PORT) --riot-base $(RIOTBASE) $(APPDIR) $(BOARD) $(ELFFILE) $(MAPFILE)
ifneq (,$(TERMLOG)$(TERMTEE))
TERMTEE ?= | tee -a $(TERMLOG)
endif
TERMFLASHDEPS ?= $(filter flash flash-only,$(MAKECMDGOALS))
# Add TERMFLASHDEPS to TERMDEPS so it also applies to `test`
TERMDEPS += $(TERMFLASHDEPS)
termdeps: $(TERMDEPS)
term: $(TERMDEPS)
$(call check_cmd,$(TERMPROG),Terminal program)
${TERMENV} $(TERMPROG) $(TERMFLAGS) $(TERMTEE)
# Term without the pyterm added logging
# PYTERMFLAGS must be exported for `jlink.sh term-rtt`.
cleanterm: export PYTERMFLAGS += --no-reconnect --noprefix --no-repeat-command-on-empty-line
cleanterm: $(TERMDEPS)
$(call check_cmd,$(TERMPROG),Terminal program)
$(TERMPROG) $(TERMFLAGS) $(TERMTEE)
list-ttys:
$(Q)$(RIOTTOOLS)/usb-serial/ttys.py
doc:
$(MAKE) -BC $(RIOTBASE) doc
debug: $(DEBUGDEPS)
$(call check_cmd,$(DEBUGGER),Debug program)
$(DEBUGGER) $(DEBUGGER_FLAGS)
debug-client:
$(call check_cmd,$(DEBUGCLIENT),Debug client program)
$(DEBUGCLIENT) $(DEBUGCLIENT_FLAGS)
debug-server:
$(call check_cmd,$(DEBUGSERVER),Debug server program)
$(DEBUGSERVER) $(DEBUGSERVER_FLAGS)
ifeq (1,$(EMULATE))
emulate:
$(call check_cmd,$(EMULATOR),Emulation program)
$(EMULATOR) $(EMULATOR_FLAGS)
endif
reset:
$(call check_cmd,$(RESET),Reset program)
$(PROGRAMMER_RESET)
# tests related targets and variables
include $(RIOTMAKE)/tests/tests.inc.mk
.PHONY: fuzz
fuzz:
env FLASHFILE="$(FLASHFILE)" PORT="$(PORT)" TERMFLAGS="$(TERMFLAGS)" \
"$(RIOTBASE)"/dist/tools/fuzzing/afl.sh $(FLAGS_FOR_AFL)
# Default OBJDUMPFLAGS for platforms which do not specify it:
OBJDUMPFLAGS ?= -S -D -h
objdump:
$(call check_cmd,$(OBJDUMP),Objdump program)
$(OBJDUMP) $(OBJDUMPFLAGS) $(ELFFILE) | less
# inlcude clang-tidy
include $(RIOTMAKE)/clang_tidy.inc.mk
# Support Eclipse IDE.
include $(RIOTMAKE)/eclipse.inc.mk
# Export variables used throughout the whole make system:
include $(RIOTMAKE)/vars.inc.mk
# Include build targets for selected tools
include $(RIOTMAKE)/tools/targets.inc.mk
# Checks and defaults for USB Vendor and Product ID
include $(RIOTMAKE)/usb-codes.inc.mk
# Warn if the selected board and drivers don't provide all needed features:
ifneq (, $(filter all flash, $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all)))
EXPECT_ERRORS :=
EXPECT_CONFLICT :=
# Test if there where dependencies against a module in DISABLE_MODULE.
ifneq (, $(filter $(DISABLE_MODULE), $(USEMODULE)))
$(shell $(COLOR_ECHO) "$(COLOR_RED)Required modules were disabled using DISABLE_MODULE:$(COLOR_RESET)"\
"$(sort $(filter $(DISABLE_MODULE), $(USEMODULE)))" 1>&2)
USEMODULE := $(filter-out $(DISABLE_MODULE), $(USEMODULE))
EXPECT_ERRORS := 1
endif
# Test if all feature requirements were met by the selected board.
ifneq (,$(FEATURES_MISSING))
$(shell $(COLOR_ECHO) "$(COLOR_RED)There are unsatisfied feature requirements:$(COLOR_RESET)"\
"$(FEATURES_MISSING)" 1>&2)
EXPECT_ERRORS := 1
endif
# Test if no feature in the requirements used is blacklisted for the selected board.
ifneq (,$(FEATURES_USED_BLACKLISTED))
$(shell $(COLOR_ECHO) "$(COLOR_RED)Some feature requirements are blacklisted:$(COLOR_RESET)"\
"$(FEATURES_USED_BLACKLISTED)" 1>&2)
EXPECT_ERRORS := 1
endif
# Test if any used feature conflict with another one.
ifneq (,$(FEATURES_CONFLICTING))
$(shell $(COLOR_ECHO) "$(COLOR_YELLOW)The following features may conflict:$(COLOR_RESET)"\
"$(FEATURES_CONFLICTING)" 1>&2)
ifneq (, $(FEATURES_CONFLICT_MSG))
$(shell $(COLOR_ECHO) "$(COLOR_YELLOW)Rationale: $(COLOR_RESET)$(FEATURES_CONFLICT_MSG)" 1>&2)
endif
EXPECT_CONFLICT := 1
endif
# If there is a whitelist, then test if the board is whitelisted.
ifneq (, $(BOARD_WHITELIST))
ifeq (, $(filter $(BOARD_WHITELIST), $(BOARD)))
$(shell $(COLOR_ECHO) "$(COLOR_RED)The selected BOARD=$(BOARD) is not whitelisted:$(COLOR_RESET) $(BOARD_WHITELIST)" 1>&2)
EXPECT_ERRORS := 1
endif
endif
# If there is a blacklist, then test if the board is blacklisted.
ifneq (, $(BOARD_BLACKLIST))
ifneq (, $(filter $(BOARD_BLACKLIST), $(BOARD)))
$(shell $(COLOR_ECHO) "$(COLOR_RED)The selected BOARD=$(BOARD) is blacklisted:$(COLOR_RESET) $(BOARD_BLACKLIST)" 1>&2)
EXPECT_ERRORS := 1
endif
endif
# test if toolchain is supported.
ifeq (,$(filter $(TOOLCHAIN),$(TOOLCHAINS_SUPPORTED)))
$(shell $(COLOR_ECHO) "$(COLOR_RED)The selected TOOLCHAIN=$(TOOLCHAIN) is not supported.$(COLOR_RESET)\nSupported toolchains: $(TOOLCHAINS_SUPPORTED)" 1>&2)
EXPECT_ERRORS := 1
endif
# If there is a blacklist, then test if the board is blacklisted.
ifneq (,$(TOOLCHAINS_BLACKLIST))
ifneq (,$(filter $(TOOLCHAIN),$(TOOLCHAINS_BLACKLIST)))
$(shell $(COLOR_ECHO) "$(COLOR_RED)The selected TOOLCHAIN=$(TOOLCHAIN) is blacklisted:$(COLOR_RESET) $(TOOLCHAINS_BLACKLIST)" 1>&2)
EXPECT_ERRORS := 1
endif