/home/gary/projects/avr-toolchain/avr/bin/avr-gcc -g -Wall -O2 -mmcu=attiny12 -D __COMPILING_AVR_LIBC__ -D __AVR_ATtiny12__ -Wa,-gstabs   -c -o main.o main.c
main.c:1: error: MCU 'attiny12' supported for assembler only
In file included from /mnt/hdc1/gary/projects/avr-toolchain/avr/bin/../lib/gcc/avr/4.2.0/../../../../avr/include/avr/io.h:337,
                 from main.c:25:
/mnt/hdc1/gary/projects/avr-toolchain/avr/bin/../lib/gcc/avr/4.2.0/../../../../avr/include/avr/iotn12.h:51:4: warning: #warning "MCU not supported by the C compiler"
main.c:36: warning: return type of 'main' is not 'int'
make: *** [main.o] Error 1