CYGWIN JPEG question
Daniel G. Aliaga
aliaga@research.bell-labs.com
Wed Aug 29 08:23:00 GMT 2001
I recently installed CYGWIN. Its great!
I'm porting code that uses the standard JPEG library. I specify the library
on the link line, but I get error messages such as the following (one for
every jpeg call):
....: undefined reference to 'import stub for
jpeg_read_header(jpeg_decompress_struct *, int)'
and so forth, etc.
I suppose this has something to do with DLLs vs libraries. It seems
libjpeg.a and libjpeg.dll.a are already in /usr/lib. I suppose the
installation properly created them. cjpeg and djpeg work just fine.
Is there something special I need to do during link time? I come from a Unix
background. My compile line is something simple like:
"g++ -o myprogram myprogram.C -ljpeg -lm"
Thanks,
-D.
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