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From: Rugxulo <rugxulo AT gmail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: building libc (was "Re: ANNOUNCE: DJGPP port of Lua 5.2.0 uploaded.")
Date: Tue, 27 Dec 2011 20:08:41 -0800 (PST)
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Reply-To: djgpp AT delorie DOT com

Hi,

On Dec 23, 3:33 pm, Juan Manuel Guerrero <juan DOT guerr DOT  DOT  DOT  AT gmx DOT de> wrote:
>
> You have corrupted your djgpp installation.  I would suggest to delete
> into and make a fresh installation.

Okay. Luckily I always keep .ZIP backups just for this reason.   ;-)

> AFAIK the cvs sources are never extracted into the djgpp installation
> directory.  I usualy extract into tmp.

Sounds reasonable, I just wasn't sure if it was allowed these days or
not.

> Before you start compiling you
> must copy djgpp.djl and dxe.ld from the cvs /lib directory into your
> djgpp installation /lib directory.  If this is not done the
> compilation will abort when compiling symify.

Wouldn't this be a good use for UPDATE.EXE (to automate it) when
building?

> > 2). DJTZN204.ZIP needs to be installed / unpacked? I guess you could
>
> No certainly no.  Everything you need to compile is checked out by CVS
> or contained in djgpp.cvs.tar.gz.

Okay, good. Yeah, I tested after you posted this, it (almost) works
fine like you said (not counting /dev/null "quirk" in FreeDOS).

> I do not understand all this.  Probably DOSEMU is not the best
> emulator to compile the sources.  But I do not know.  I do not
> remember if it was DOSEMU or DOSBOX but my experience with those
> emulators was disapointing so I returned to VMware.  I am not
> lobbying for it.  It is the one I use in my day-time job, so
> I am most familiar with it than with the other ones.

Well, to keep things simple, I (barely) try not to fiddle with ten
bazillion different versions of the same thing. So hence I've never
fiddled with VMware.

I know DOSBox is completely unsuitable for compilation, though.

> OFYI, I compiled today's libc sources on my thinkpad t60 with
> MSDOS 6.22 (only SFN support).  FILES=250,  command.com environment
> space = 16384,  smartdvr cache 10MB,  XMS = 64 MB.  With gcc 4.4.X
> it compiled flawlessly in 8 min.  (No emulation but real hardware).
>
> BTW, you do not need LFN support to compile the CVS sources.

Good to know. And it does work, not counting the /dev/null quirk
(which I don't fully understand and don't anticipate a fix for).