avr-gcc -c -g -Os -Wall -Wstrict-prototypes -I/media/sandbox/xtools/avr-dev/build/avr/lib/avrlib -Wa,-ahlms=main.lst -mmcu=attiny85  -I/media/sandbox/xtools/avr-dev/build/avr/include -I/media/sandbox/xtools/avr-dev/build/avr/avr/include -I. main.c -o main.o
main.c: In function `main':
main.c:93: error: `DDRA' undeclared (first use in this function)
main.c:93: error: (Each undeclared identifier is reported only once
main.c:93: error: for each function it appears in.)
main.c:94: error: `PINA' undeclared (first use in this function)
main.c:103: error: `DDRC' undeclared (first use in this function)
main.c:106: error: `PORTC' undeclared (first use in this function)
make: *** [main.o] Error 1