[TUHS] [pups] gcc-3.4.6 and old unix

[Wesley Parish]

Quoting Andrzej Popielewicz <vasco at icpnet.pl>: 
 
> Wesley Parish napisał(a): 
>  
> >djggp relies on a DOS extender to run its 32-bit programs in a 16-bit  
> >operating environment on a 32-bit machine. go32 is Delorie's own DOS 
> extender  
> >- OpenWatcom offers at least two other DOS extenders to pull the same 
> kind of  
> >trick.  
> >  
> > 
> I know that, because I have used djgpp for a quite lot of time. 
>  
> I thought , that Bill wanted to "scale down" gcc compiler to 16 bit  
> environment, and probably djgpp could be a good starting point. 
> I understand , that gcc is not "directly" portable.But because gcc can  
> create pdp code in cross compile environment, perhaps it is not 
> impossible . 
 
In that case, all I can suggest is that the gcc source files are 
cross-compiled to pdp11, and error messages noted.  Then the files get 
rewritten for the pdp11 ... I'm sorry I can't help - I'm neither a gcc guru 
nor a pdp11 guru. 
>  
> BTW I have just ported Bob Supnik pdp11 emulator to Coherent 4.2.10 and  
> it seems to work(compile works etc). Coherent being 32 bit for 386  
> processors has nonetheless 286 support builtin in kernel, so it seems to 
>  
> be good environment for this simulator (?). 
 
That's good news! 
> I have the same problem as Bill, I have to kill pdp11 process on another 
>  
> console to exit. 
 
You're not the only one, either. 
 
Wesley Parish 
>  
>  
> Andrzej 
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