Re: Do we still need MSDOS support?

[sfeam <sf...@us...>]

On Friday, 06 April 2018 08:53:52 sfeam via gnuplot-beta wrote:
> On Friday, 06 April 2018 15:27:10 Petr Mikulik wrote:
> > I build gnuplot on OS/2 via gcc/emx. The binary then runs on OS/2, 
> > eCommStation, DOS with emx.exe or rsx.exe. Thus it is necessary to keep 
> > __OS2__ and __EMX__.
> > 
> > The gcc/emx I use is gcc 2.8.1, and it does not know command line option 
> > "-std=c99".
> 
> Do you use (or build) the emxvga terminal?
> The source is basically untouched since 2002.
> 
> > I've prepared some patches for OS/2 in 2017 but not committed them due to the 
> > transfer of cvs to git. I'll have to learn how to submit them.
> > 
> > BTW, would not C99 syntax break VMS/VAX compilers? Its makefile is still 
> > in the config/ directory.

I went back and looked at the documentation.
C99 has been supported by the OpenVMS C compiler since the mid 2000s.
So I don't think that by itself is a concern.

> VMS support is also a candidate for being dropped.
> I was myself test-building releases on VMS through version 4.6
> but I no longer have a bootable VMS machine.   To the extent that VMS
> lives on in the larger world, it is via emulation on virtual machines.
> I have not been able to find any mention of gnuplot being used in that
> context, but even if it is I imagine that the output is not via
> the VAX Windowing System (vws.trm).
> 	
> 	Ethan