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EDR-DOS (Users)

posted by Rugxulo Homepage, Usono, 20.05.2008, 21:49

> > OpenDOS/DR-DOS ... The source is a mess anyways (from what I hear),
> > needing several compilers and assemblers (6 or 7 toolsets).
>
> Matthias Paul covers that in
> Caldera OpenDOS - A
> fresh breeze in DOS technology (English version) and
> Caldera OpenDOS -
> Frischer Wind für DOS (German version). He says some of the code
> might go back to CP/M.
According to this FAQ:

"Estimates on source size are around 2900 files (53 Mb), plus another 2700 (78 Mb) for tools (until they can reduce the number of tools needed)"

"Caldera inherited a weird source control system that all the sources are stored in, and they use an even more weird build system. Getting them "releasable" is a two step process. First is to get all new makefiles written. At last estimate, there are about 120+ of them. After the makefile for each package is complete, it will be sent back to Caldera for approval. Gene assumes that they will release each package as the extraction/new makefile is done for each, but he's not sure. He really can't predict a timeline right now."

"Each part is built with a different development package. To build everything (once the sources are found and cleaned up), you'll need nine different development packages to build it all. The hope is that this list can be reduced to two or three. The current list is approximately "Turbo Cv2,v3, BCC v2,v3.1, Watcom C v7, 3 versions of MASM, 2 version of TASM... and a partridge in a pear tree.....", according to Gene! EMM386 is all in assembler. "

Also, notice this:

"Caldera has promised to make the sources for OpenDOS available to anyone, and OpenDOS may be used (modified or otherwise) without a license for any non-commercial use (i.e. your home computer). It is NOT freeware, public domain, shareware, or GPL. It is copyrighted by Caldera. "

Basically, they changed their mind, sold it off, and that was the end of that. So much for improving it, adding DPMI 1.0 w/ virtual memory, TCP/IP, etc.

EDIT: I don't count nine, only five or ten (take your pick). :-P

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