mirror of
https://github.com/ptrks/avr-usart-printf.git
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Added initial files
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Patrick Servello
251
Makefile
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251
Makefile
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######### AVR Project Makefile Template #########
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###### ######
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###### Copyright (C) 2003-2005,Pat Deegan, ######
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###### Psychogenic Inc ######
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###### All Rights Reserved ######
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###### ######
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###### You are free to use this code as part ######
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###### of your own applications provided ######
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###### you keep this copyright notice intact ######
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###### and acknowledge its authorship with ######
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###### the words: ######
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###### ######
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###### "Contains software by Pat Deegan of ######
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###### Psychogenic Inc (www.psychogenic.com)" ######
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###### ######
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###### If you use it as part of a web site ######
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###### please include a link to our site, ######
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###### http://electrons.psychogenic.com or ######
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###### http://www.psychogenic.com ######
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###### ######
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####################################################
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##### This Makefile will make compiling Atmel AVR
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##### micro controller projects simple with Linux
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##### or other Unix workstations and the AVR-GCC
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##### tools.
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#####
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##### It supports C, C++ and Assembly source files.
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#####
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##### Customize the values as indicated below and :
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##### make
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##### make disasm
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##### make stats
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##### make hex
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##### make writeflash
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##### make gdbinit
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##### or make clean
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#####
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##### See the http://electrons.psychogenic.com/
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##### website for detailed instructions
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####################################################
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##### #####
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##### Configuration #####
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##### #####
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##### Customize the values in this section for #####
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##### your project. MCU, PROJECTNAME and #####
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##### PRJSRC must be setup for all projects, #####
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##### the remaining variables are only #####
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##### relevant to those needing additional #####
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##### include dirs or libraries and those #####
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##### who wish to use the avrdude programmer #####
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##### #####
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##### See http://electrons.psychogenic.com/ #####
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##### for further details. #####
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##### #####
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####################################################
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MCU=atmega328p
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PROGRAMMER_MCU=atmega328p
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F_CPU=16000000
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PROJECTNAME=usartprintf
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PRJSRC=example.c usart_printf/usart_printf.c
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LIBS=
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OPTLEVEL=s
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AVRDUDE_PROGRAMMERID=usbasp
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AVRDUDE_PORT=/dev/usb
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HEXFORMAT=ihex
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CFLAGS=-I. $(INC) -g -mmcu=$(MCU) -DF_CPU=$(F_CPU) -O$(OPTLEVEL) \
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-fpack-struct -fshort-enums \
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-funsigned-bitfields -funsigned-char \
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-Wall -Wstrict-prototypes \
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-Wa,-ahlms=$(firstword \
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$(filter %.lst, $(<:.c=.lst)))
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CPPFLAGS=-fno-exceptions \
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-Wa,-ahlms=$(firstword \
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$(filter %.lst, $(<:.cpp=.lst))\
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$(filter %.lst, $(<:.cc=.lst)) \
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$(filter %.lst, $(<:.C=.lst)))
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ASMFLAGS =-I. $(INC) -mmcu=$(MCU) \
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-x assembler-with-cpp \
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-Wa,-gstabs,-ahlms=$(firstword \
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$(<:.S=.lst) $(<.s=.lst))
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# linker
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LDFLAGS=-Wl,-Map,$(TRG).map -mmcu=$(MCU) \
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-lm $(LIBS)
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##### executables ####
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CC=avr-gcc
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OBJCOPY=avr-objcopy
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OBJDUMP=avr-objdump
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SIZE=avr-size
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AVRDUDE=avrdude
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REMOVE=rm -f
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##### automatic target names ####
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TRG=$(PROJECTNAME).out
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DUMPTRG=$(PROJECTNAME).s
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HEXROMTRG=$(PROJECTNAME).hex
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HEXTRG=$(HEXROMTRG) $(PROJECTNAME).ee.hex
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GDBINITFILE=gdbinit-$(PROJECTNAME)
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# Define all object files.
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# Start by splitting source files by type
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# C++
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CPPFILES=$(filter %.cpp, $(PRJSRC))
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CCFILES=$(filter %.cc, $(PRJSRC))
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BIGCFILES=$(filter %.C, $(PRJSRC))
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# C
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CFILES=$(filter %.c, $(PRJSRC))
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# Assembly
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ASMFILES=$(filter %.S, $(PRJSRC))
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# List all object files we need to create
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OBJDEPS=$(CFILES:.c=.o) \
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$(CPPFILES:.cpp=.o)\
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$(BIGCFILES:.C=.o) \
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$(CCFILES:.cc=.o) \
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$(ASMFILES:.S=.o)
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# Define all lst files.
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LST=$(filter %.lst, $(OBJDEPS:.o=.lst))
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# All the possible generated assembly
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# files (.s files)
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GENASMFILES=$(filter %.s, $(OBJDEPS:.o=.s))
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.SUFFIXES : .c .cc .cpp .C .o .out .s .S \
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.hex .ee.hex .h .hh .hpp
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.PHONY: writeflash clean stats gdbinit stats
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# Make targets:
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# all, disasm, stats, hex, writeflash/install, clean
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all: $(TRG)
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disasm: $(DUMPTRG) stats
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stats: $(TRG)
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$(OBJDUMP) -h $(TRG)
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$(SIZE) $(TRG)
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hex: $(HEXTRG)
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writeflash: hex
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$(AVRDUDE) -c $(AVRDUDE_PROGRAMMERID) \
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-p $(PROGRAMMER_MCU) -P $(AVRDUDE_PORT) -e \
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-U flash:w:$(HEXROMTRG)
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install: writeflash
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$(DUMPTRG): $(TRG)
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$(OBJDUMP) -S $< > $@
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$(TRG): $(OBJDEPS)
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$(CC) $(LDFLAGS) -o $(TRG) $(OBJDEPS)
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#### Generating assembly ####
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# asm from C
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%.s: %.c
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$(CC) -S $(CFLAGS) $< -o $@
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# asm from (hand coded) asm
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%.s: %.S
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$(CC) -S $(ASMFLAGS) $< > $@
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# asm from C++
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.cpp.s .cc.s .C.s :
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$(CC) -S $(CFLAGS) $(CPPFLAGS) $< -o $@
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#### Generating object files ####
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# object from C
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.c.o:
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$(CC) $(CFLAGS) -c $< -o $@
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# object from C++ (.cc, .cpp, .C files)
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.cc.o .cpp.o .C.o :
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$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
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# object from asm
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.S.o :
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$(CC) $(ASMFLAGS) -c $< -o $@
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#### Generating hex files ####
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# hex files from elf
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##### Generating a gdb initialisation file #####
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.out.hex:
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$(OBJCOPY) -j .text \
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-j .data \
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-O $(HEXFORMAT) $< $@
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.out.ee.hex:
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$(OBJCOPY) -j .eeprom \
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--change-section-lma .eeprom=0 \
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-O $(HEXFORMAT) $< $@
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##### Generating a gdb initialisation file #####
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##### Use by launching simulavr and avr-gdb: #####
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##### avr-gdb -x gdbinit-myproject #####
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gdbinit: $(GDBINITFILE)
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$(GDBINITFILE): $(TRG)
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@echo "file $(TRG)" > $(GDBINITFILE)
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@echo "target remote localhost:1212" \
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>> $(GDBINITFILE)
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@echo "load" >> $(GDBINITFILE)
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@echo "break main" >> $(GDBINITFILE)
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@echo "continue" >> $(GDBINITFILE)
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@echo
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@echo "Use 'avr-gdb -x $(GDBINITFILE)'"
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#### Cleanup ####
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clean:
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$(REMOVE) $(TRG) $(TRG).map $(DUMPTRG)
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$(REMOVE) $(OBJDEPS)
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$(REMOVE) $(LST) $(GDBINITFILE)
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$(REMOVE) $(GENASMFILES)
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$(REMOVE) $(HEXTRG)
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##### EOF #####
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