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# ---------------------------------------
# Common make rules for all examples
# ---------------------------------------
# Set all as default goal
.DEFAULT_GOAL := all
# ---------------------------------------
# Compiler Flags
# ---------------------------------------
LIBS_GCC ?= -lm
# libc
LIBS += $(LIBS_GCC)
ifneq ($(BOARD), spresense)
LIBS += -lc -Wl,-Bstatic -lc++ -Wl,-Bdynamic
endif
# TinyUSB Stack source
SRC_C += \
src/tusb.c \
src/common/tusb_fifo.c \
src/device/usbd.c \
src/device/usbd_control.c \
src/class/audio/audio_device.c \
src/class/cdc/cdc_device.c \
src/class/dfu/dfu_device.c \
src/class/dfu/dfu_rt_device.c \
src/class/hid/hid_device.c \
src/class/midi/midi_device.c \
src/class/msc/msc_device.c \
src/class/net/ecm_rndis_device.c \
src/class/net/ncm_device.c \
src/class/usbtmc/usbtmc_device.c \
src/class/video/video_device.c \
src/class/vendor/vendor_device.c
# Fuzzers are c++
SRC_CXX += \
test/fuzz/dcd_fuzz.cc \
test/fuzz/fuzz.cc \
test/fuzz/msc_fuzz.cc \
test/fuzz/net_fuzz.cc \
test/fuzz/usbd_fuzz.cc
# TinyUSB stack include
INC += $(TOP)/src
CFLAGS += $(addprefix -I,$(INC))
CXXFLAGS += -std=c++17
# LTO makes it difficult to analyze map file for optimizing size purpose
# We will run this option in ci
ifeq ($(NO_LTO),1)
CFLAGS := $(filter-out -flto,$(CFLAGS))
endif
ifneq ($(LD_FILE),)
LDFLAGS_LD_FILE ?= -Wl,-T,$(TOP)/$(LD_FILE)
endif
LDFLAGS += $(CFLAGS) $(LDFLAGS_LD_FILE) -fuse-ld=lld -Wl,-Map=$@.map -Wl,--cref -Wl,-gc-sections
ifneq ($(SKIP_NANOLIB), 1)
endif
ASFLAGS += $(CFLAGS)
# Assembly files can be name with upper case .S, convert it to .s
SRC_S := $(SRC_S:.S=.s)
# Due to GCC LTO bug https://bugs.launchpad.net/gcc-arm-embedded/+bug/1747966
# assembly file should be placed first in linking order
# '_asm' suffix is added to object of assembly file
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_S:.s=_asm.o))
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_C:.c=.o))
OBJ += $(addprefix $(BUILD)/obj/, $(SRC_CXX:.cc=_cxx.o))
# Verbose mode
ifeq ("$(V)","1")
$(info CFLAGS $(CFLAGS) ) $(info )
$(info LDFLAGS $(LDFLAGS)) $(info )
$(info ASFLAGS $(ASFLAGS)) $(info )
endif
# ---------------------------------------
# Rules
# ---------------------------------------
all: $(BUILD)/$(PROJECT)
OBJ_DIRS = $(sort $(dir $(OBJ)))
$(OBJ): | $(OBJ_DIRS)
$(OBJ_DIRS):
ifeq ($(CMDEXE),1)
@$(MKDIR) $(subst /,\,$@)
else
@$(MKDIR) -p $@
endif
$(BUILD)/$(PROJECT): $(OBJ)
@echo LINK $@
@ $(CXX) -o $@ $(LIB_FUZZING_ENGINE) $^ $(LIBS) $(LDFLAGS)
# We set vpath to point to the top of the tree so that the source files
# can be located. By following this scheme, it allows a single build rule
# to be used to compile all .c files.
vpath %.c . $(TOP)
$(BUILD)/obj/%.o: %.c
@echo CC $(notdir $@)
@$(CC) $(CFLAGS) -c -MD -o $@ $<
# All cpp srcs
vpath %.cc . $(TOP)
$(BUILD)/obj/%_cxx.o: %.cc
@echo CXX $(notdir $@)
@$(CXX) $(CFLAGS) $(CXXFLAGS) -c -MD -o $@ $<
# ASM sources lower case .s
vpath %.s . $(TOP)
$(BUILD)/obj/%_asm.o: %.s
@echo AS $(notdir $@)
@$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
# ASM sources upper case .S
vpath %.S . $(TOP)
$(BUILD)/obj/%_asm.o: %.S
@echo AS $(notdir $@)
@$(CC) -x assembler-with-cpp $(ASFLAGS) -c -o $@ $<
.PHONY: clean
clean:
ifeq ($(CMDEXE),1)
rd /S /Q $(subst /,\,$(BUILD))
else
$(RM) -rf $(BUILD)
endif
# ---------------- GNU Make End -----------------------
# get depenecies
.PHONY: get-deps
get-deps:
$(PYTHON) $(TOP)/tools/get_deps.py $(DEPS_SUBMODULES)
size: $(BUILD)/$(PROJECT)
-@echo ''
@$(SIZE) $<
-@echo ''
# linkermap must be install previously at https://github.com/hathach/linkermap
linkermap: $(BUILD)/$(PROJECT)
@linkermap -v $<.map
# Print out the value of a make variable.
# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile
print-%:
@echo $* = $($*)
|
