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From: Brian Inglis <Brian DOT Inglis AT SystematicSW DOT Invalid>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Help: Problem to link C++ program with ld
Organization: Systematic Software
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Date: Tue, 23 May 2006 07:36:37 GMT
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To: djgpp AT delorie DOT com
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On Tue, 23 May 2006 09:01:22 +0200 in comp.os.msdos.djgpp, "Dr.
Xiangdong Wang" <xiangdong DOT wang AT charismathics DOT com> wrote:

>
>I wrote a small C++ code

>I can compile and link it with gxx
>	gxx main.cpp
>
>but if I link it with ld, 
>	ld -lc -lstdcx -lsupcxx -lgcc main.o -o main.bin

>I got a lot of "undefined reference":
>	D:\DJGPP\BIN/ld.exe: warning: cannot find entry symbol start;

Missing startup code crt0.o

>Does anybody have any suggestion for me ?

Use gxx instead of ld:
gxx -c main.cpp
gxx -o main.bin main.o

Add startup code:
ld -lc -lstdcxx -lsupcxx -lgcc $DJDIR/lib/crt0.o main.o -o main.bin

-- 
Thanks. Take care, Brian Inglis 	Calgary, Alberta, Canada

Brian DOT Inglis AT CSi DOT com 	(Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca)
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