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# ---------------------------------------
# Common make definition for all examples
# ---------------------------------------
#-------------- TOP and CURRENT_PATH ------------
# Set TOP to be the path to get from the current directory (where make was
# invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
# the name of this makefile relative to where make was invoked.
THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
# strip off /tools/top.mk to get for example ../../..
# and Set TOP to an absolute path
TOP = $(abspath $(subst make.mk,../..,$(THIS_MAKEFILE)))
# Set CURRENT_PATH to the relative path from TOP to the current directory, ie examples/device/cdc_msc_freertos
CURRENT_PATH = $(subst $(TOP)/,,$(abspath .))
# Detect whether shell style is windows or not
# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
ifeq '$(findstring ;,$(PATH))' ';'
# PATH contains semicolon - so we're definitely on Windows.
CMDEXE := 1
# makefile shell commands should use syntax for DOS CMD, not unix sh
# Unfortunately, SHELL may point to sh or bash, which can't accept DOS syntax.
# We can't just use sh, because while sh and/or bash shell may be available,
# many Windows environments won't have utilities like realpath used below, so...
# Force DOS command shell on Windows.
SHELL := cmd.exe
endif
# Build directory
BUILD := _build
PROJECT := $(notdir $(CURDIR))
# Handy check parameter function
check_defined = \
$(strip $(foreach 1,$1, \
$(call __check_defined,$1,$(strip $(value 2)))))
__check_defined = \
$(if $(value $1),, \
$(error Undefined make flag: $1$(if $2, ($2))))
#-------------- Fuzz harness compiler ------------
CC ?= clang
CXX ?= clang++
GDB ?= gdb
OBJCOPY = objcopy
SIZE = size
MKDIR = mkdir
ifeq ($(CMDEXE),1)
CP = copy
RM = del
PYTHON = python
else
SED = sed
CP = cp
RM = rm
PYTHON = python3
endif
#-------------- Fuzz harness flags ------------
COVERAGE_FLAGS ?= -fsanitize-coverage=trace-pc-guard
SANITIZER_FLAGS ?= -fsanitize=fuzzer \
-fsanitize=address
CFLAGS += $(COVERAGE_FLAGS) $(SANITIZER_FLAGS)
#-------------- Source files and compiler flags --------------
INC += $(TOP)/test
# Compiler Flags
CFLAGS += \
-ggdb \
-fdata-sections \
-ffunction-sections \
-fno-strict-aliasing \
-Wall \
-Wextra \
-Werror \
-Wfatal-errors \
-Wdouble-promotion \
-Wstrict-prototypes \
-Wstrict-overflow \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wundef \
-Wshadow \
-Wwrite-strings \
-Wsign-compare \
-Wmissing-format-attribute \
-Wunreachable-code \
-Wcast-align \
-Wcast-qual \
-Wnull-dereference \
-Wuninitialized \
-Wunused \
-Wredundant-decls \
-O1
CFLAGS += \
-Wno-error=unreachable-code \
-DOPT_MCU_FUZZ=1 \
-DCFG_TUSB_MCU=OPT_MCU_FUZZ \
-D_FUZZ
CXXFLAGS += \
-xc++ \
-Wno-c++11-narrowing \
-fno-implicit-templates
# conversion is too strict for most mcu driver, may be disable sign/int/arith-conversion
# -Wconversion
# Debugging/Optimization
ifeq ($(DEBUG), 1)
CFLAGS += -Og
else
CFLAGS += $(CFLAGS_OPTIMIZED)
endif
# Log level is mapped to TUSB DEBUG option
ifneq ($(LOG),)
CMAKE_DEFSYM += -DLOG=$(LOG)
CFLAGS += -DCFG_TUSB_DEBUG=$(LOG)
endif
# Logger: default is uart, can be set to rtt or swo
ifneq ($(LOGGER),)
CMAKE_DEFSYM += -DLOGGER=$(LOGGER)
endif
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