新手第一次弄Makefile, 各种不懂,请大神帮忙看一下
以下是所有程序,但是运行cipher的时候老是说no file,测试的时候是显示:
cipher.c:(.text+0x67): undefined reference to `encrypt'
cipher.c:(.text+0x77): undefined reference to `decrypt'
collect2: error: ld returned 1 exit status

快要被逼疯了......

Makefile.c

# Makefile

CC = gcc
CFLAGS = -Wall

CSRC = cipher.c vigenere.c
HSRC = vigenere.h
OBJ = $(CSRC:.c=.o)

%o:%c $(HSRC)
    $(CC) $(CFLAGS) -c $<


# Additional targets
.PHONY: clean
.PHONY: test

# Target rules

cipher: $(OBJ)
    $(CC) $(CFLAGS) -o cipher $(OBJ)

clean:
    rm -f $(OBJ)
    
test: cipher test.dat 
    ./cipher < test.dat    

cipher.c

#include <stdio.h>

#include "vigenere.h"

char key[MAX_KEY];

int main( void )
{
  int ch;
  int option;
  
  printf("Enter key: ");
  scanf( "%s",  key );
  
  printf("Encrypt or Decrypt? ");
  
  while((option = getchar()) != 'e' && option != 'd') {
    
    printf("Enter text:\n");

 
    while(( ch = getchar()) != EOF ) {
        
        if(option == 'e') {
            encrypt( ch );
        }
        else {
            decrypt( ch );
        }    
    }
  }
  printf( "\n" );

  return 0;
}

vigenere.c

#include <stdio.h>
#include <ctype.h>

#include "vigenere.h"

#define MAX_COL  80

void encrypt( int ch )
{
  /*
    These variables are declared "static" because they need to
    keep their values from one call of encrypt() to another.
    They will be initialized the first time encrypt() is called.
    After that, they will keep the value from the previous call.
  */
  static char *p = key;
  static int col = 1;
  int i,j,k;

  if( isalpha(ch)) {
    /*
      convert all characters to lowercase,
      perform vigenere encoding
      and print encoded character
    */
    i = tolower(ch) - 'a';
    j = tolower(*p) - 'a';
    k = ( i + j ) % 26;
    ch= k + 'a';
    putchar( ch );
    /*
      if we have filled a row,
      print newline and start a new row
    */
    col++;
    if( col == MAX_COL ) {
      putchar( '\n' );
      col = 1;
    }
    /*
      move to next character of key.
      if we have reached end of key, go back to beginning
    */
    p++;
    if( *p == '\0' ) {
         p = key;
    }
  }
}

void decrypt( int ch )
{
  
  static char *p = key;
  static int col = 1;
  int i,j,k;

  if( isalpha(ch)) {
    
    i = tolower(ch) - 'a';
    j = tolower(*p) - 'a';
    k = ( i + j + 26 ) % 26;
    ch= k + 'a';
    putchar( ch );
    col++;
    
    if( col == MAX_COL ) {
      putchar( '\n' );
      col = 1;
    }
    p++;
    
    if( *p == '\0' ) {
         p = key;
    }
  }
}

vigenere.h

#define MAX_KEY 128

extern char key[MAX_KEY];

void encrypt( int ch );

void decrypt( int ch );

[ 本帖最后由 cyy06180521 于 2015-9-20 16:22 编辑 ]

恩,没事了,我脑子抽了,在Makefile后面也打了.c..............