Dear Raphael,
Thanks again for fixing this pickle matter and sorry for the delay. I
just updated my SVN trunk, and tried compiling the trunk and testing
whether loading old pickles works.
However, it appears I am unable to compile. I don't know whether I am
just stupid ( I did this before..), or whether there is actually some
problem. I tried various things, but always get the same error message.
Here is what I am doing. I create some build directory, move into
that build directly and then evoke the mozart configure script from
within the build directory, e.g.,
$ cd /path/to/build/dir
$ /path/to/mozart/trunk/mozart/configure --disable-contrib --disable-doc
$ make
Then I get the following error.
Makefile:17: /path/to/mozart/trunk/share/Makefile.boot: No such file
or directory
make[2]: *** No rule to make target `/path/to/mozart/trunk/share/
Makefile.boot'. Stop.
make[1]: *** [bootstrap] Error 1
make: *** [bootstrap] Error 1
For some reason, the makefile tries to access a directory /path/to/
mozart/trunk/share. I assume that should be /path/to/mozart/trunk/
mozart/share.
What am I missing? Thank you!
Best
Torsten
On 8 Mar 2009, at 10:03, Raphael Collet wrote:
Dear Torsten,
I checked in a change in the svn trunk of Mozart. Can you give it
a try? I personally tested it with the Oz Minesweeper applet,
which was still in the former pickle format, and it worked :-)
If testing succeeds, I will include it in the maintenance branch,
and maybe push for a Mozart 1.4.1 release.
Cheers,
raph
On Tue, Mar 3, 2009 at 12:20 PM, Torsten Anders
<[email protected]> wrote:
Dear Raphael,
On Mar 3, 2009, at 10:00 AM, Raphael Collet wrote:
I had a look at the changes between releases. The only change in
the pickle format is its extension to pickle failed values. The
other changes simply reflect the reorganization of the internal
class hierarchy of values, they do not affect the format itself.
I will give it a try soon (probably during the weekend). If it
works, I will commit it to the svn trunk, and ask people to test
it. If testing is successful, I will call for a minor release of
Mozart (1.4.1).
Thank you very much indeed! You are actually suggesting more than I
even hoped for :)
Best
Torsten
Cheers,
raph
On Tue, Mar 3, 2009 at 10:33 AM, Raphael Collet
<[email protected]> wrote:
Yes, this is exactly what I am suggesting. I don't pretend that it
is possible for all former pickler versions. But I think that
backward compatibility with version 3#3 of the pickler (Mozart
1.3.x) is feasible.
This requires a careful review of the diff between both versions of
the pickler. This is not an easy task, since that part of Mozart
is quite low-level and a bit obscure (to me at least). And one
must make sure that the compatibility test only applies to pickles.
Cheers,
raph
--
Torsten Anders
Interdisciplinary Centre for Computer Music Research
University of Plymouth
Office: +44-1752-586219
Private: +44-1752-558917
http://strasheela.sourceforge.net
http://www.torsten-anders.de
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