unleashed-firmware/make/rules.mk
あく 2ab6f82ddf
Makefile: build flags as a target. (#163)
* Makefile: build flags as a target.

* Makefile: proper BUILD_FLAGS generation routine

Co-authored-by: Aleksandr Kutuzov <aku@plooks.com>
2020-10-08 12:47:12 +03:00

92 lines
2.3 KiB
Makefile

OBJ_DIR := $(OBJ_DIR)/$(TARGET)
# Include source folder paths to virtual paths
VPATH = $(sort $(dir $(C_SOURCES)) $(dir $(ASM_SOURCES)) $(dir $(CPP_SOURCES)))
# Gather object
OBJECTS = $(addprefix $(OBJ_DIR)/, $(notdir $(C_SOURCES:.c=.o)))
OBJECTS += $(addprefix $(OBJ_DIR)/, $(notdir $(ASM_SOURCES:.s=.o)))
OBJECTS += $(addprefix $(OBJ_DIR)/, $(notdir $(CPP_SOURCES:.cpp=.o)))
# Generate dependencies
DEPS = $(OBJECTS:.o=.d)
$(shell mkdir -p $(OBJ_DIR))
BUILD_FLAGS_SHELL=\
echo -n "$(CFLAGS)" > $(OBJ_DIR)/BUILD_FLAGS.tmp; \
diff $(OBJ_DIR)/BUILD_FLAGS $(OBJ_DIR)/BUILD_FLAGS.tmp > /dev/null \
&& ( echo "CFLAGS ok"; rm $(OBJ_DIR)/BUILD_FLAGS.tmp) \
|| ( echo "CFLAGS has been changed"; mv $(OBJ_DIR)/BUILD_FLAGS.tmp $(OBJ_DIR)/BUILD_FLAGS )
$(info $(shell $(BUILD_FLAGS_SHELL)))
all: $(OBJ_DIR)/$(PROJECT).elf $(OBJ_DIR)/$(PROJECT).hex $(OBJ_DIR)/$(PROJECT).bin
$(OBJ_DIR)/$(PROJECT).elf: $(OBJECTS)
@echo "\tLD\t" $@
@$(CC) $(LDFLAGS) $(OBJECTS) -o $@
@$(SZ) $@
$(OBJ_DIR)/$(PROJECT).hex: $(OBJ_DIR)/$(PROJECT).elf
@echo "\tHEX\t" $@
@$(HEX) $< $@
$(OBJ_DIR)/$(PROJECT).bin: $(OBJ_DIR)/$(PROJECT).elf
@echo "\tBIN\t" $@
@$(BIN) $< $@
$(OBJ_DIR)/%.o: %.c $(OBJ_DIR)/BUILD_FLAGS
@echo "\tCC\t" $@
@$(CC) $(CFLAGS) -c $< -o $@
$(OBJ_DIR)/%.o: %.s $(OBJ_DIR)/BUILD_FLAGS
@echo "\tASM\t" $@
@$(AS) $(CFLAGS) -c $< -o $@
$(OBJ_DIR)/%.o: %.cpp $(OBJ_DIR)/BUILD_FLAGS
@echo "\tCPP\t" $@
@$(CPP) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
$(OBJ_DIR)/flash: $(OBJ_DIR)/$(PROJECT).bin
st-flash --reset write $(OBJ_DIR)/$(PROJECT).bin $(FLASH_ADDRESS)
touch $@
$(OBJ_DIR)/upload: $(OBJ_DIR)/$(PROJECT).bin
dfu-util -D $(OBJ_DIR)/$(PROJECT).bin -a 0 -s $(FLASH_ADDRESS)
touch $@
flash: $(OBJ_DIR)/flash
upload: $(OBJ_DIR)/upload
debug: flash
set -m; st-util -n --semihosting & echo $$! > st-util.PID
arm-none-eabi-gdb \
-ex "target extended-remote 127.0.0.1:4242" \
-ex "set confirm off" \
$(OBJ_DIR)/$(PROJECT).elf; \
kill `cat st-util.PID`; \
rm st-util.PID
clean:
@echo "\tCLEAN\t"
@$(RM) $(OBJ_DIR)/*
.PHONY: check-and-reinit-submodules
check-and-reinit-submodules:
@if git submodule status | egrep -q '^[-]|^[+]' ; then \
echo "INFO: Need to reinitialize git submodules"; \
git submodule update --init; \
fi
z: clean
$(MAKE) all
zz: clean
$(MAKE) flash
zzz: clean
$(MAKE) debug
-include $(DEPS)