请教：ubuntu下使用libjpeg的错误

[LeonTown]

在ubuntu下通过命令：sudo apt-get install libjpeg-dev 安装libjpeg；
然后，在程序中包含头文件#include <jpeglib.h>；
main函数为空，什么也不做。

编译出现如下错误：
/usr/include/jpeglib.h:719: error: ‘size_t’ does not name a type
/usr/include/jpeglib.h:731: error: ‘size_t’ does not name a type
/usr/include/jpeglib.h:762: error: ‘size_t’ has not been declared
/usr/include/jpeglib.h:764: error: ‘size_t’ has not been declared
/usr/include/jpeglib.h:904: error: ‘size_t’ has not been declared
/usr/include/jpeglib.h:906: error: ‘size_t’ has not been declared
/usr/include/jpeglib.h:914: error: ‘FILE’ has not been declared
/usr/include/jpeglib.h:915: error: ‘FILE’ has not been declared

在包含头文件时，也尝试过
extern "C"
{
#include <jpeglib.h>
}
但出现同样的错误。

貌似不识别size_t和FILE，
请问，该如何处理啊？

[justkk]

缺少头文件吧，试试
#include <stdio.h>
#include <sys/types.h>
#include <jpeglib.h>
main(){}

[LeonTown]

后来发现主要是：
在g++编译时，加上-ljpeg