Date:	Wed, 10 Sep 1997 20:07:55 -0700 (PDT)
Message-Id:	<199709110307.UAA07693@adit.ap.net>
Mime-Version:	1.0
To:	Carsten =?iso-8859-1?Q?Sch=E4uble?= <schauble AT inf DOT fu-berlin DOT de>,
	djgpp AT delorie DOT com
From:	Nate Eldredge <eldredge AT ap DOT net>
Subject:	Re: undefined reference to __builtin_delete

At 04:31  9/10/1997 +0200, Carsten Schäuble wrote:
>i compile a complete independent (no includes, no inheritance) c++ class
>with
>
>	gcc -c -Wall -o ctrl.o ctrl.c
>
>if i define my own destructor in the class, the linker
>
>	ld -t -oformat coff-go32 -e startup -Ttext 0x10000 -o system startup.o
>main.o ctrl.o
Do you have some objection to using the standard startup code and libraries?
>
>aborts with error
>
>	ctrl.o(.text+0x15):ctrl.cc: undefined reference to __builtin_delete
>
>if the destructor is not defined (the standard destructor is used), so
>it works fine
I assume your destructor uses `delete'. The delete operator lives in
libgcc.a, so you'll have to link with it. If it complains about unresolved
references to `free', you'll need to link with the C library as well.
HTH

 

Nate Eldredge
eldredge AT ap DOT net

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