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From: rugxulo AT gmail DOT com
Newsgroups: comp.os.msdos.djgpp
Subject: Re: compiling p7zip (7za for DOS)
Date: 7 Mar 2007 17:40:00 -0800
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On Mar 6, 9:39 pm, rugx DOT  DOT  DOT  AT gmail DOT com wrote:
> On Mar 4, 3:52 pm, "Florian Xaver" <wosrediinanat DOT  DOT  DOT  AT aon DOT at> wrote:
>
> I think there's a newer official FreeDOS 1.0 port (7za 4.42) than the
> version on Blair's page, and that's the one I use:
>
> http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions...
> 7zipx.zip, 7zips.zip
>
> (However, this one seems, in my limited testing, to dislike CWSDPMI
> for whatever reason. Just FYI, in case anyone has the same problem: on
> my old P166 w/ 32 MB RAM, 7za 4.42 seemed to consistently segfault
> unless I stubbed it with WDOS/X or used DR-DOS' DPMI server instead.
> If anyone finds out why, I'll be glad to know.)
>

I'm assuming its the DPMI 1.0 extensions (bad handling of NULL
pointers?) because using `cwsdpmi -x' stopped the page faults. Of
course, I just stubbed it with WDOS/X 0.97 to avoid having to manually
disable that every time.

Also, FYI to anyone else confused like me (heh), it seems to dislike
backslashes, so it only works if you do `p7zip a file.7z c:/utils/
dc.*' instead of doing it the normal DOS way.

P.S. Of course, using the Win32 console version of 7za.exe with HXRT
(http://www.japheth.de) also works well.   :-)