[Rd] What is the logic behind sys-common, sys-unix et.al. ?
Prof Brian D Ripley
Fri, 1 Jun 2001 20:31:50 +0100 (BST)
On Fri, 1 Jun 2001, Thomas Hoffmann wrote:
> I try to understand how the system specifics are organised in R.
> My understanding was that (citing system.txt):
> * sys-common.c has code common to the unix/gnome/gnuwin32 ports
> * sys-unix.c has code common to the unix/gnome ports
> * system.c has interface-specific code
> But now I see that unix/sys-common contains unix and Win32 specific code which is selected via
> Another question is who carries the sys-common file? If it is "common", why does a specific
> system subdir (unix, that is) carry this file?
> I know that there are historical reasons for that, but is there a "plan" for reorganising this stuff, now
> that there is at least a third class of systems (macintosh) involved?
Why change what works?
> Another question is: Should the graphics interfaces be connected to the systems in a 1:1 fashion?
> I have a test build of R-1.2.3 for OS/2 an my hard disk which is able to use a Presentation Manager
> and a X11 graphics device: X11 is a 1:1 copy of the unix/X11 files. (And I assume "that new Macs" I
> do not know anything about can display X11, too. And for Win32 exist X11 servers ...)
We do not support X11 on Windows, even though it can be built.
Brian D. Ripley, firstname.lastname@example.org
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272860 (secr)
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