Fourth, fifth and sixth tasks are done

2025.03.21/03Ex/Makefile

@@ -1,6 +1,6 @@
-FLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
+CFLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wempty-body -Wlogical-op -Wold-style-declaration -Wmissing-parameter-type \
--Wignored-qualifiers -Winit-self -Wswitch-default -Wshadow -Wtype-limits \
+-Wignored-qualifiers -Winit-self -Wshadow -Wtype-limits \
 -Wpointer-arith -Wformat-security -Wmissing-format-attribute -Wformat=1 \
 -Wdeclaration-after-statement -Wbad-function-cast -Wnested-externs \
 -Wmissing-prototypes -Wmissing-declarations -Wold-style-definition \
@@ -8,14 +8,17 @@ FLAGS = -mfpmath=sse -fstack-protector-all -W -Wall -Wextra -Wunused \
 -Wwrite-strings -Wno-long-long -std=gnu99 -Wstrict-prototypes \
 -Wmissing-field-initializers -Wpointer-sign -O3
 
-a03.exe: main.o array_io.o solve.o init_f.o
-	gcc main.o solve.o array_io.o init_f.o -o a03.exe -lssp
+TARGET = a03.exe
+OBJ = main.o array_io.o solve.o init_f.o
+
+$(TARGET): $(OBJ)
+	gcc $(OBJ) -o $(TARGET) -lssp
 
 main.o: main.c
 	gcc $(CFLAGS) -c main.c
 
 solve.o: solve.c
-	gcc $(FLAGS) -c solve.c
+	gcc $(CFLAGS) -c solve.c
 
 array_io.o: array_io.c
 	gcc $(CFLAGS) -c array_io.c