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From:	Hans-Bernhard Broeker <broeker AT physik DOT rwth-aachen DOT de>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: problem with compilation output
Date:	4 Mar 2006 17:46:47 GMT
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Florian Liebig <FlorianLiebigEMD AT compuserve DOT de> wrote:
> hi guys. i'm trying to compile a small kernel in gcc c++ 2.7.2.

I've been meaning to ask you this before: why do you use such an
incredibly ancient version of GCC?

> all the time , when trying to link my c++ compiled .o file, 

Similar question: why write it in C++, of all things?

> C:\GNU>gcc -Wall -O -fstrength-reduce -fomit-frame-pointer sys.cpp
> -nostdlib
> c:/gnu/bin\ld.exe: warning: cannot find entry symbol start; defaulting
> to 000010a8

That one's easy: you didn't load the standard runtime library, nor did
you supply an alternative that would allo the program to know how to
start itself up.

> sys.cc(.text+0x47): undefined reference to `__builtin_delete'
> sys.cc(.text+0x101): undefined reference to `__main'

> How can I avoid __builtin_delete from being called, 

By writing C instead of C++.  By not using any objects, maybe.

-- 
Hans-Bernhard Broeker (broeker AT physik DOT rwth-aachen DOT de)
Even if all the snow were burnt, ashes would remain.

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