ijg 라이브러리 설치

안녕하세요

jpeg라이브러리를 찾는 도중 ijg 라이브러리를 찾았습니다.

사용하기도 편리한 것 같구요

간단하게 설치는 된것 같은데

설치가 잘못되었는지

아래와 같은 에러가 발생합니다.

컴파일은 제공해 주는 예제소스를 컴파일 하였습니다.

해결 방법좀 갈켜주세요

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[root@root STEP9]# gcc -o example_1 example_1.c
/tmp/cccllhqq.o(.text+0x14): In function `write_JPEG_file':
: undefined reference to `jpeg_std_error'
/tmp/cccllhqq.o(.text+0x33): In function `write_JPEG_file':
: undefined reference to `jpeg_CreateCompress'
/tmp/cccllhqq.o(.text+0x90): In function `write_JPEG_file':
: undefined reference to `jpeg_stdio_dest'
/tmp/cccllhqq.o(.text+0x98): In function `write_JPEG_file':
: undefined reference to `image_width'
/tmp/cccllhqq.o(.text+0xa3): In function `write_JPEG_file':
: undefined reference to `image_height'
/tmp/cccllhqq.o(.text+0xcc): In function `write_JPEG_file':
: undefined reference to `jpeg_set_defaults'
/tmp/cccllhqq.o(.text+0xe3): In function `write_JPEG_file':
: undefined reference to `jpeg_set_quality'
/tmp/cccllhqq.o(.text+0xf7): In function `write_JPEG_file':
: undefined reference to `jpeg_start_compress'
/tmp/cccllhqq.o(.text+0x100): In function `write_JPEG_file':
: undefined reference to `image_width'
/tmp/cccllhqq.o(.text+0x12f): In function `write_JPEG_file':
: undefined reference to `image_buffer'
/tmp/cccllhqq.o(.text+0x14d): In function `write_JPEG_file':
: undefined reference to `jpeg_write_scanlines'
/tmp/cccllhqq.o(.text+0x161): In function `write_JPEG_file':
: undefined reference to `jpeg_finish_compress'
/tmp/cccllhqq.o(.text+0x184): In function `write_JPEG_file':
: undefined reference to `jpeg_destroy_compress'
/tmp/cccllhqq.o(.text+0x222): In function `read_JPEG_file':
: undefined reference to `jpeg_std_error'
/tmp/cccllhqq.o(.text+0x25f): In function `read_JPEG_file':
: undefined reference to `jpeg_destroy_decompress'
/tmp/cccllhqq.o(.text+0x298): In function `read_JPEG_file':
: undefined reference to `jpeg_CreateDecompress'
/tmp/cccllhqq.o(.text+0x2b0): In function `read_JPEG_file':
: undefined reference to `jpeg_stdio_src'
/tmp/cccllhqq.o(.text+0x2c4): In function `read_JPEG_file':
: undefined reference to `jpeg_read_header'
/tmp/cccllhqq.o(.text+0x2d6): In function `read_JPEG_file':
: undefined reference to `jpeg_start_decompress'
/tmp/cccllhqq.o(.text+0x338): In function `read_JPEG_file':
: undefined reference to `jpeg_read_scanlines'
/tmp/cccllhqq.o(.text+0x351): In function `read_JPEG_file':
: undefined reference to `put_scanline_someplace'
/tmp/cccllhqq.o(.text+0x365): In function `read_JPEG_file':
: undefined reference to `jpeg_finish_decompress'
/tmp/cccllhqq.o(.text+0x377): In function `read_JPEG_file':
: undefined reference to `jpeg_destroy_decompress'
collect2: ld returned 1 exit status
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