JPEG Libs

[Ian Porter]

Hi all

Just to say thanks for all of the helpfully hinst about trying to get the 
libjpeg working.

I cannot remember the name of the person who said that if the libjpeg source 
was recompiled with the g++ compiler and not gcc e.g. libjpeg = gcc,  
libjpeg++ = g++ and if you are using g++ to compile the source then use the 
-ljpeg++ which works :)

Thanks to the person who said about compiling the source with g++, thought 
that I would say encase someone else has the same problem. 

Cheers
Ian
(I am using MD 9.0)

On Wednesday 29 Jan 2003 12:49 pm, you wrote:
> > Hi
> >
> > Not sure why I did a search for the *.la and not the *.a library file but
> > the libjpeg.a is in the same place, /usr/lib/, but I am still getting the
> > same errors about not finding the reference to the function.
> >
> > > Image.o: In function `DecodeJPG(jpeg_decompress_struct*, tImage*)':
> > > Image.o(.text+0x782): undefined reference to
> > > `jpeg_read_header(jpeg_decompress_struct*, int)'
> >
> > Is there anything that I may be missing or miss done ?
> >
> > Thanks for the help
> > Ian
> >
> > Hello,
> >
> > Please not that nowhere in my email I was talking about libjpeg.la.
> > You need libjpeg.a not .la
> >
> > --
> > Best regards,
> > Marek Januszewski
> >
> > > Hi thanks for the replies,
> > >
> > > I have got libjpeg.la installed in the /usr/lib directory
> > >
> > > [ian at localhost ian]$ locate libjpeg.la
> > > /usr/lib/libjpeg.la
> > >
> > > And I have added the line into the make file
> > > $(TARGET):    Main.o Init.o Camera.o Quake3Bsp.o Image.o
> > >       $(CC) -o $(TARGET) Main.o Init.o Camera.o Quake3Bsp.o Image.o
> >
> > `sdl-config
> >
> > > --libs` -L/usr/X11R6/lib -lGL -lGLU -lm -L/usr/lib -ljpeg
> > >
> > > But I still get the error (at the bottom of the email, same as before)
> > >
> > > Or have I done this wrong ?
> > >
> > > Cheers
> > > Ian
>
> AFAIK, libjpeg does not come with the standard NetBSD installation but is
> part of the NetBSD Package Collection and can be found in
> pkgsrc/graphics/jpeg, of which jpeg_read_header is part thereof - see
> below.
>
> husky# nm /usr/pkg/lib/libjpeg.a | grep jpeg_read_header
> 00000320 T jpeg_read_header
>
> I only can assume that your libjpeg library was installed manually and is
> missing certain features. Try installing libjpeg from the package
> collection should get you a step further.
>
> cheerio Berndt
>
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