[Info-vax] Rendez-vous autour de VMS" of January 31 2023 report

[hb@end.of.inter.net]

On Monday, February 20, 2023 at 11:02:18 PM UTC+1, Single Stage to Orbit wrote:
> On Mon, 2023-02-20 at 11:35 -0800, h... at end.of.inter.net wrote: 
> > On Monday, February 20, 2023 at 7:02:17 PM UTC+1, Single Stage to 
> > Orbit wrote: 
> > > On Mon, 2023-02-20 at 11:36 -0500, Arne Vajhøj wrote: 
> > > > %LINK-W-NUDFSYMS, 4 undefined symbols: 
> > > > %LINK-I-UDFSYM,         _vt$7istream$3ios 
> > > > %LINK-I-UDFSYM,         _vt$7ostream$3ios 
> > > > %LINK-I-UDFSYM,         _vt$8iostream$3ios 
> > > > %LINK-I-UDFSYM,         _vt$8stdiobuf 
> > > Smells like ABI issues. It depends on what linker is being used, I 
> > > guess. Mayvbe GCC should use its linker instead of the VMS linker. 
> > 
> > It only shows that objects, object libraries or shareable images, 
> > which define theses symbols, are not included in the link operation. 
> 
> Which kinda begs the question; what has it forgotten to link? These are 
> iostream routines. 
> -- 
> Tactical Nuclear Kittens

Only the user/developer knows. There is no link command or map file posted. For linking the C example the command/symbol gcclink is used, whatever that is/was. But for C++, nothing is said.