$ cat Makefile
#OBJS specifies which files to compile as part of the project
OBJS = 02_getting_an_image_on_the_screen.cpp

#OBJ_NAME specifies the name of our exectuable
OBJ_NAME = 02_getting_an_image_on_the_screen

#This is the target that compiles our executable
all : $(OBJS)
        gcc $(OBJS) -I/mingw64/include/SDL2 -L/mingw64/lib -w -Wl,-subsystem,windows -lmingw32 -lSDL2main -lSDL2 -o $(OBJ_NAME)