Your program contains 3 files: info.h, info.c, main.c. You also added a correct makefile. What is the output of executing the command (make) for first time O gcc-c info.h info.c main.c gcc info.o main.o -o project O gcc info.o main.o -o project gcc-c info.c main.c O goc-c info.c main.c gcc info.o main.o -o project O gcc info.o main.o -o project gcc-c info.h info.c main.c