jpeg관련 질문입니다~~~~고수님들 도와주세요 ㅜ

#include
#include
#include
#include
#include
#include
#include
#include
#include
#include

#define Width 240
#define Height 320
#define SIZE 76800
#define CH_SZ 256

void usrsignal(int);
int jpeg_capture(char *);

pid_t id;
static int dev;
unsigned short RGB[SIZE];
unsigned int *pSRAM;

struct jpeg_compress_struct cinfo;
struct jpeg_error_mgr jerr;
static long cnt;
char buf[CH_SZ];
char path[CH_SZ] = {'\0'};
char *str1 = "/web/mjpg/img";
char *str2 = ".jpg";

int main(void){
dev= open("/dev/camera",O_RDWR);

if(dev < 0){
printf("application : camera driver open fails!\n");
return -1;
}

(void)signal(SIGUSR2,usrsignal);

id = getpid();
write(dev, &id, 4);

usleep(85000);
close(dev);
return 0;
}

void usrsignal(int isg){
read(dev,RGB, SIZE * 2);

strcat(path, str1);
sprintf(buf, "%id", cnt++);
strcat(path, buf);
strcat(path, str2);

if(cnt == 50) cnt = 0;

jpeg_capture(path);
}

int jpeg_capture(char *filename){
FILE *imgout;
int i,j,n,cnt,row_stride;
JSAMPROW row_pointer[1];
unsigned char image_buffer[SIZE * 3];

if(!(imgout = fopen(filename, "wb"))){
fprintf(stderr, "File Open Error\n");
exit(1);
}

n = cnt = 0;

for(i = 0 ; i < Height ; i++){
for(j = Width ; j > 0 ; j--){
image_buffer[n++] = (((RGB[cnt] & 0xf800) >> 11) << 3);
image_buffer[n++] = (((RGB[cnt] & 0x07e0) >> 15) << 2);
image_buffer[n++] = (((RGB[cnt] & 0x001f) << 3));
}
}
cinfo.err = jpeg_std_error(&jerr);

jpeg_creat_compress(&cinfo);
jpeg_stdio_dest(&cinfo, imgout);

cinfo.image_width = Width;
cinfo.image_height = Height;
cinfo.input_components = 3;
cinfo.in_color_space = JCS_RGB;
jpeg_set_default(&cinfo);

jpeg_start_compress(&cinfo, TRUE);

row_stride = cinfo.image_width * 3;

while(cinfo.next_scanline < cinfo.image_height){
row_pointer[0] = &image_buffer[cinfo.next_scanline * row_stride];
jpeg_write_scanline(&cinfo, row_pointer, 1);
}

jpeg_finish_compress(&cinfo);
jpeg_destroy_compress(&cinfo);

bzero(path, CH_SZ);
fclose(imgout);

id = getpid();
write(dev,&id,4);

usleep(85000);
return 0;
}
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이 소스를 컴파일 했는데 아래와 같은 오류가 나요~~
jpeg라이브러리도 설치를 했는데 이럴경우엔 어떻게 해야하나요 ㅜ
고수님들 해결방법좀 알려주세요~~
참고로 지금 환경은 레드햇9.0이고 타겟보드는 한백전자의 sm보드입니다~
qt카메라를 이용해 영상을 jpeg파일로 저장할려고 시도중인데 너무 힘드네요 ㅜ
디바이스 드라이버파일도 있는데 디바이스 드라이버 파일도 컴파일이 수많은 오류가 납니다ㅜ
파일을 첨부했으니 고수님들이 좀 보시고 도와주세요 ㅜ

/tmp/ccTmRxo8.o: In function `jpeg_capture':
/tmp/ccTmRxo8.o(.text+0x348): undefined reference to `jpeg_std_error'
/tmp/ccTmRxo8.o(.text+0x35c): undefined reference to `jpeg_creat_compress'
/tmp/ccTmRxo8.o(.text+0x368): undefined reference to `jpeg_stdio_dest'
/tmp/ccTmRxo8.o(.text+0x3a0): undefined reference to `jpeg_set_default'
/tmp/ccTmRxo8.o(.text+0x3ac): undefined reference to `jpeg_start_compress'
/tmp/ccTmRxo8.o(.text+0x418): undefined reference to `jpeg_write_scanline'
/tmp/ccTmRxo8.o(.text+0x424): undefined reference to `jpeg_finish_compress'
/tmp/ccTmRxo8.o(.text+0x42c): undefined reference to `jpeg_destroy_compress'