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@ -229,6 +229,22 @@ OPT = s
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DEFINES ?=
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# Program settings
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CC = $(AVR_TOOLS_PATH)avr-gcc
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CXX = $(AVR_TOOLS_PATH)avr-g++
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OBJCOPY = $(AVR_TOOLS_PATH)avr-objcopy
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OBJDUMP = $(AVR_TOOLS_PATH)avr-objdump
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AR = $(AVR_TOOLS_PATH)avr-ar
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SIZE = $(AVR_TOOLS_PATH)avr-size
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NM = $(AVR_TOOLS_PATH)avr-nm
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AVRDUDE = avrdude
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REMOVE = rm -f
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MV = mv -f
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# Tool for testing compiler flags
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cc-option=$(shell if test -z "`$(1) $(2) -S -o /dev/null -xc /dev/null 2>&1`" \
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; then echo "$(2)"; else echo "$(3)"; fi ;)
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# Place -D or -U options here
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CDEFS = -DF_CPU=$(F_CPU) ${addprefix -D , $(DEFINES)}
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CXXDEFS = $(CDEFS)
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@ -259,10 +275,12 @@ CTUNING += -DMOTHERBOARD=${HARDWARE_MOTHERBOARD}
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endif
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#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
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CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CEXTRA) $(CTUNING)
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CXXFLAGS = $(CDEFS) $(CINCS) -O$(OPT) -Wall $(CEXTRA) $(CTUNING)
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CFLAGS := $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CEXTRA) $(CTUNING) \
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$(call cc-option,$(CC),-flto -fwhole-program,)
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CXXFLAGS := $(CDEFS) $(CINCS) -O$(OPT) -Wall $(CEXTRA) $(CTUNING) \
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$(call cc-option,$(CC),-flto -fwhole-program,)
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#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs
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LDFLAGS = -lm
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LDFLAGS = -lm -Wl,--relax
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# Programming support using avrdude. Settings and variables.
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@ -272,18 +290,6 @@ AVRDUDE_FLAGS = -D -C $(ARDUINO_INSTALL_DIR)/hardware/tools/avrdude.conf \
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-p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
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-b $(UPLOAD_RATE)
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# Program settings
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CC = $(AVR_TOOLS_PATH)avr-gcc
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CXX = $(AVR_TOOLS_PATH)avr-g++
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OBJCOPY = $(AVR_TOOLS_PATH)avr-objcopy
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OBJDUMP = $(AVR_TOOLS_PATH)avr-objdump
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AR = $(AVR_TOOLS_PATH)avr-ar
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SIZE = $(AVR_TOOLS_PATH)avr-size
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NM = $(AVR_TOOLS_PATH)avr-nm
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AVRDUDE = avrdude
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REMOVE = rm -f
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MV = mv -f
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# Define all object files.
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OBJ = ${patsubst %.c, $(BUILD_DIR)/%.o, ${SRC}}
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OBJ += ${patsubst %.cpp, $(BUILD_DIR)/%.o, ${CXXSRC}}
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@ -380,9 +386,13 @@ extcoff: $(TARGET).elf
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$(NM) -n $< > $@
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# Link: create ELF output file from library.
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$(BUILD_DIR)/$(TARGET).elf: $(OBJ) Configuration.h
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$(BUILD_DIR)/$(TARGET).elf: $(BUILD_DIR)/$(TARGET).o
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$(Pecho) " CXX $@"
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$P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ -L. $^ $(LDFLAGS)
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$(BUILD_DIR)/$(TARGET).o: $(OBJ) Configuration.h
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$(Pecho) " CXX $@"
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$P $(CC) $(ALL_CXXFLAGS) -Wl,--gc-sections -o $@ -L. $(OBJ) $(LDFLAGS)
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$P $(CC) $(ALL_CXXFLAGS) -nostdlib -Wl,-r -o $@ $(OBJ)
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$(BUILD_DIR)/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
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$(Pecho) " CC $<"
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