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Re: [Help-gsl] Re: debugging with gdb


From: Thomas Weber
Subject: Re: [Help-gsl] Re: debugging with gdb
Date: Mon, 19 May 2008 16:52:20 +0200

Am Montag, den 19.05.2008, 09:08 -0500 schrieb Rodney Sparapani:
> Thomas Weber wrote:
> > On 16/05/08 17:30 -0500, Jordi Gutiérrez Hermoso wrote:
> >> On 16/05/2008, Jack Denman <address@hidden> wrote:
> >>>  You can't "install debug symbols".
> >> You can in Debian. I'm not sure how they do it, but they do package
> >> debug symbols separately for some libraries. You still need to get the
> >> library source from a different package in order to use those debug
> >> symbols.
> > 
> > Packages are built with debugging symbols, then 
> >     objcopy --only-keep-debug 
> > is used to move the debugging information into separate files and later 
> > into a separate package.
> > 
> > The process is explained in more detail in objcopy's manpage, under the
> > help for the above option.
> > 
> >     Thomas
> 
> Hi Thomas:
> 
> It's hard enough debugging code without putting up with this extra 
> nonsense.  Is there any good reason why they do that?  I was under the 
> impression that the debugging symbols create very little overhead. 

Your impression is false. For octave3.0, the package itself has about 30
MB, the debugging symbols are about 120 MB. See also

http://www.linuxfromscratch.org/lfs/view/6.1/chapter06/aboutdebug.html

        Thomas








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