undefined reference to vtable

Wed Aug 11 01:16:00 GMT 2004

On Tue August 10, 2004 13h35, Bryce McKinlay wrote:
> Shaun,
>> You need to either:
>> - add "-lgcj" to your link command, or
> - Use "gcj" to link, not "g++"
>> Regards
>> Bryce

I tried both suggestions without success. If I remove every reference
to ShellSelectionListener, it links just fine with my original command
line. I believe I'm missing something in my definition of
ShellSelectionListener.
Thanks,
Shaun
sjackman@quince ~/work/hello/swt-cni$ g++-3.4 -g -O2 -o HelloWorld HelloWorld.o -lswt -lswt-pi -lgcj
HelloWorld.o(.text+0x136): In function `main':
/home/sjackman/work/hello/swt-cni/HelloWorld.cc:62: undefined reference to `java::lang::Object::Object()'
HelloWorld.o(.text+0x13e):/home/sjackman/work/hello/swt-cni/HelloWorld.cc:62: undefined reference to `vtable for ShellSelectionListener'
collect2: ld returned 1 exit status
sjackman@quince ~/work/hello/swt-cni$ gcj-3.4 -g -O2 -o HelloWorld HelloWorld.o -lswt -lswt-pi
HelloWorld.o(.text+0x136): In function `main':
/home/sjackman/work/hello/swt-cni/HelloWorld.cc:62: undefined reference to `java::lang::Object::Object()'
HelloWorld.o(.text+0x13e):/home/sjackman/work/hello/swt-cni/HelloWorld.cc:62: undefined reference to `vtable for ShellSelectionListener'
collect2: ld returned 1 exit status