$ make boot.elf
/"path to old compiler/linker"/msp430-gcc -mmcu=msp430g2433 -g -Os -Wall -Wunused -Werror -Wextra -c -o boot/main.o boot/main.c

###### compiling more .c files#######

Linking boot.elf
/"path to old compiler/linker"/msp430-gcc -L /"path to msp430 library"/install/msp430/lib/mcpu-430x -mmcu=msp430g2433 -Wl,-Map=boot.map,--cref,-T /"path to linker script"/boot.x  boot/main.o "more object files" -o boot.elf
