NEW GNU Emacs available - with DUMPING!!!
Steve Roseman
lusgr at vax1.cc.lehigh.edu
Thu Jan 24 01:30:53 AEST 1991
In article <14622 at june.cs.washington.edu>, slh at wolf.cs.washington.edu (Scott Heyano) writes:
> In article <182.279c284e at vax1.cc.lehigh.edu> lusgr at vax1.cc.lehigh.edu (Steve Roseman) writes:
> [stuff]
> |Emacs version 18.56, now available from prep.ai.mit.edu has full RS/6000
> |support, including DUMPING!!!!!! Simply get /u/emacs/emacs-18.56.tar.Z, do
> |the normal installation stuff (like making paths.h and config.h) and it works.
> |(use m-ibmrs6000.h and s-aix3-1.h in config.h, configure X-Windows if desired).
> |
> Are you sure dumping is working?
> The MACHINE file clearly states that you can produce a dump,
> but after some period of time the dumped executable will fail.
> Quote:
> Dumping does not work. Code has been written to implement it, but
> it fails because the address of bss seems to vary occasionally
> between Emacs runs. It does not seem to vary from minute to minute,
> but every few days or weeks it changes to a new steady state.
> When this happens, the dumped Emacs data file becomes invalid.
--
The instabilities that existed seem to have been completely resolved.
Earlier, (pre-mid-December), it was weird - a dumped copy would start and stop
working depending on rebooting, configuration changes, room temperature, etc.
Eg. A copy of Emacs would work until a reboot, a new one would be made, the
second would work for a few hours, then suddenly, the second was dead, but the
first worked again.
However, for the past month, I have NO PROBLEMS at all (except an Emacs
compiled at AIX 3002 wouldn't work on a 3001 system, for a different reason.)
Is it coincidence that a week after I sent Richard Stallman the newest code to
test, that 18.56 is released, with the same code? I suspect the MACHINES file
was simply not updated, or the disclaimer left in, just in case.
If anyone has problems, please feel free to contact me.
Steve
-------------------------------------------------------------------------
Steve Roseman
Lehigh University Computing Center
LUSGR at VAX1.CC.Lehigh.EDU
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