[Makefile] Added .PHONY. Removed object compilation. This project won't get extra .c files anyway, so let's compile directly into executable.

Makefile

@@ -7,17 +7,14 @@ OBJ_DIR=obj
 
 DESTDIR=/
 
+.PHONY: all ${TARGET} clean install uninstall
+
 all: ${TARGET}
 
-${TARGET}: ${OBJ_DIR}/main.o
-	${CC} ${CFLAGS} $< -o $@
-
-${OBJ_DIR}/main.o: ${SRC_DIR}/main.c ${SRC_DIR}/main.h
-	@mkdir -p ${OBJ_DIR}
-	${CC} ${CFLAGS} -c $< -o $@
+${TARGET}: ${SRC_DIR}/main.c ${SRC_DIR}/main.h
+	${CC} ${CFLAGS} ${LDFLAGS} $< -o $@
 
 clean:
-	rm -r ${OBJ_DIR}
 	rm ${TARGET}
 
 install: