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Date:	Sat, 19 Jan 2002 19:26:27 +0200 (WET)
From:	Andris Pavenis <pavenis AT lanet DOT lv>
X-Sender:	pavenis AT ieva06
To:	Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
Cc:	djgpp-workers AT delorie DOT com
Subject:	Re: Compilation with -ggdb3 barfs
In-Reply-To:	<7048-Sat19Jan2002182408+0200-eliz@is.elta.co.il>
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On Sat, 19 Jan 2002, Eli Zaretskii wrote:

> I built today the `calc' package (not the one written in Emacs Lisp, but
> the stand-alone program from http://www.isthe.com/chongo/tech/comp/calc)
> with the "-O2 -ggdb3" switches, and got this message during the link
> stage:
> 
>   gcc   calc.o libcalc.a custom/libcustcalc.a   -o calc
>   ld.exe: Dwarf Error: Abbrev offset (1280) greater than or equal to abbrev size (386).
> 
> This is GCC 3.0.2 (I didn't upgrade to 3.0.3 yet).  Is this a known
> problem with 3.0.2 and DWARF-2 debug info?  Is it fixed in 3.0.3?
> 
> (If someone wants to reproduce the problem, mail me for patches,
> because Calc won't build with DJGPP out of the box, due to a few
> stupid portability issues.)

I have seen for example C++ exceptions stopping to work when
-gdwarf-2 is used (works when -gstabs+ is being used). I also have seen
that program crashes when I used -gdwarf-2, but worked otherwise.
For many programs I saw no problems from using DWARF-2 debug info.

(of course I'm talking about my experience with DJGPP and DWARF-2 debug 
info)

Andris

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