/shell/Makefile
INCLUDES = -I../crt/include -I../external/lua-5.3.5/src
CFLAGS = -std=c11 -march=armv7-m -mthumb -msingle-pic-base -Os -g -Wall $(INCLUDES)

all: system.o main.o
	ar cr libshell.a $^

%.o: %.c
	arm-none-eabi-gcc $(CFLAGS) -c $<