关于 mysql C API的 问题

fluke

1. #include <mysql/mysql.h>
   
2. #include <stdio.h>
   
3. 
   
4. int main()
   
5. {
   
6.     MYSQL mysql;
   
7. 
   
8.     mysql_init(&mysql);
   
9.     mysql_options(&mysql,MYSQL_READ_DEFAULT_GROUP,"your_prog_name");
   
10.     if (!mysql_real_connect(&mysql,"host","user","passwd","database",0,NULL,0))
    
11.     {
    
12.         fprintf(stderr, "Failed to connect to database: Error: %s\n",
    
13.             mysql_error(&mysql));
    
14.     }
    
15. 
    
16.     return 0;
    
17. }
    

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以上代码来自mysql的 manual
我编译不通过

1. 
   
2. /tmp/ccojokYy.o(.text+0x29): In function `main':
   
3. : undefined reference to `mysql_init'
   
4. /tmp/ccojokYy.o(.text+0x47): In function `main':
   
5. : undefined reference to `mysql_options'
   
6. /tmp/ccojokYy.o(.text+0x8d): In function `main':
   
7. : undefined reference to `mysql_real_connect'
   
8. /tmp/ccojokYy.o(.text+0xa4): In function `main':
   
9. : undefined reference to `mysql_error'
   
10. collect2: ld returned 1 exit status
    
11. 
    

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fluke

原来在编译的时候要加-lmysqlclient