example: example.c Makefile boot.s linker.ld printf.h printf.c putchar.c
	riscv32-none-elf-as -march=rv32i -mabi=ilp32 boot.s -o boot.o
	riscv32-none-elf-gcc -fno-builtin -fvisibility=hidden -nostdlib -nostartfiles -march=rv32im -mabi=ilp32 -D PRINTF_DISABLE_SUPPORT_FLOAT=1 -D PRINTF_DISABLE_SUPPORT_LONG_LONG=1 -c printf.c -o printf.o -g
	riscv32-none-elf-gcc -fno-builtin -fvisibility=hidden -nostdlib -nostartfiles -march=rv32im -mabi=ilp32 -c putchar.c -o putchar.o -g
	riscv32-none-elf-gcc -fno-builtin -fvisibility=hidden -nostdlib -nostartfiles -march=rv32im -mabi=ilp32 -c example.c -o example.o -g
	riscv32-none-elf-ld boot.o example.o printf.o putchar.o -T linker.ld -o example -g