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Re: mach4 & gnumach/oskit...

From: Thomas Schwinge
Subject: Re: mach4 & gnumach/oskit...
Date: Tue, 10 Oct 2006 11:16:26 +0200
User-agent: Mutt/1.5.6+20040907i


On Sun, Oct 08, 2006 at 02:20:06AM -0400, Mach wrote:
> Hi, I was interested in jumping back into playing around with lites/mach..
> Anyway I'm having a really hard time building any mach system.
> I've tried the mach4 source under Slakware 7.1, it builds, but is unable to
> boot.  I've also tried to build mach4 under NetBSD1.1 & Lites 1.1, again it
> builds but fails to boot.

One issue might be that compilers (GCC) are much smarter and aggressive
(w.r.t. optimizations) now than they were fifteen years ago and thus
simply mis-compile code as it was written at that time.  See
<http://savannah.gnu.org/bugs/?17338> for one example.  You might succeed
when using GCC 2.95.3 and similar stuff...

> I've tried to build gnumach, but I need libc & other stuff from hurd,

That's not true in this form.  To build the GNU Mach from
gnumach-1-branch (which is the only one that is supported at the moment)
nothing special is needed, apart from the usual tools and a C library for
the system you intend to run the kernel on.  But that certainly doesn't
need to be a Hurd one.  Can you show how it fails to build?  What system
are you building on and what system is the kernel supposed to run on?
(GNU Mach is i386-only so far.)

> So finally Id like to try oskit mach.

OSKit Mach is unfinished and completely unmaintained and will most
probably not be revived, as OSKit is dead and there is no replacement for

> Also what system can successfully build a mach4/oskit-gnumach kernel?  I'm
> really confused with the kernels that compile but silently fail.

Use the gnumach-1-branch; see

Please continue to report how this works out!


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