问生成文件错误:在创建共享库时找不到命令

EN

#include<stdio.h>

void hello()
{
    printf("Hello!\n");
}

#include<stdio.h>

void here()
{
     printf("I am here \n");
}

#include<stdio.h>

void bye()
{
    printf("Bye,Bye");
}

#include<stdio.h>
#include "mylib.h"

int main()
{ 

  hello();
  here();
  bye();
  return 1;
}

#ifndef _mylib_
#define _mylib_

void hello();
void here();
void bye();

#endif

#Which Compiler
CC = gcc

#Compiler Flags
CFLAGS = - Wall -c -fPIC

DYNLINKFLAGS = -shared -W1,-soname,$@.0

PROG = main

PROG_OBJS = main.c

LIB = mylib

LIB_FILES = libmylib.so

LIB_MINOR = $(LIB_FILES).0.1

LIB_RELEASE = $(LIB_MINOR).0

LIB_OBJS = hello.o here.o bye.o

PATH = /home/srinivasa/cspp51081/labs/srinivasa.lab2.1

all:    $(LIB_FILES) $(PROG)

#Create Lib with this file
$(LIB_FILES):   $(LIB_OBJS)
            $(CC) $(DYNLINKFLAGS) $^
            ln -sf $(LIB_RELEASE) $(LIB_MINOR)
            ln -sf $(LIB_MINOR) $@
            ln -sf $@ $@.0

#Compiling main program and link with shared library
$(PROG):        $(PROG_OBJS)
            $(CC) -o $(PROG) $(PORG_OBJS) -l$(LIB) -L$(PATH)

main.o:         main.c
hello.o:        hello.c
here.o:         here.c
bye.o:          bye.c

#clean files
clean:
            rm -rf $(LIB_OBJS) $(LIB_FILES) $(LIB_RELEASE) $(LIB_MINOR) libmylib.so.0

make -f Makefile all