/home/gary/projects/avr-toolchain/avr/bin/avr-gcc -x assembler-with-cpp -mmcu=attiny12  -c -Wa,-L,-gstabs  -o main.o main.s 
/home/gary/projects/avr-toolchain/avr/bin/avr-gcc -g -Wall -O2 -mmcu=attiny12  -Wl,-Map,main.map -o main.elf main.o 
/home/gary/projects/avr-toolchain/avr/bin/avr-objdump -h -S main.elf > main.lst
/home/gary/projects/avr-toolchain/avr/bin/avr-objcopy -j .text -j .data -O ihex main.elf main.hex