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Re: [XBoard-devel] WinBoard installer

From: Eric Mullins
Subject: Re: [XBoard-devel] WinBoard installer
Date: Sat, 06 Jun 2009 08:51:40 -0600
User-agent: Thunderbird (X11/20090409)

h.g. muller wrote:

C:\chess\WinBoard>objdump -p gnuches5.exe | grep DLL
vma:            Hint    Time      Forward  DLL       First
      DLL Name: cygwin1.dll
      DLL Name: cygreadline5.dll
      DLL Name: KERNEL32.dll

From my chess utils path:
08/10/2003  04:17 PM           151,552 cygreadline5.dll
06/12/2008  11:35 AM         1,872,884 cygwin1.dll

Yes, we definitely should NOT include a cygwin1.dll or anything that depends on it. Cygwin1.dll cause nothing but trouble. Some engines depend on cygwin1.dll, and can only run with a specific version of it, which then usually is dfferent from a specific cygwin1.dll another engine needs. And I don't think you an have two different cygwin1.dll at the same time... So apart from that it is huge, there are plenty other reasons to stay away from cygwin1.dll.

If GNU Chess 5 needs it, then GNU Chess 5 is out of all packages, as far as I am concerned.

I wasn't knocking cygwin1.dll, just pointing out the dependency. Lots of chess software requires POSIX, so including cygwin1.dll seems a good move to me. All the back compatibility issues of it are gone-- if you include the most recent DLL, there shouldn't be any issues. But certainly omitting gnuchess wouldn't bother me at all.

Polyglot may also depend on cygwin1.dll, depending where you got it.
There is a version that doesn't depend on it though. I'm not sure I'd recommend that one, however.

I use a version of Polyglot in the Gold Pack that does not need cygwin1.dll. I don't thnk it ever gave rise to any problems.
At least I never received any complaints about it.

The problem with the polyglot that doesn't require cygwin1.dll is it doesn't work in windows 95 because of the new affinity option. I tried to assist that project briefly, including changes for win95 support, but they disappeared in the very next version. I have my own custom version of it that does work in win95 though. Still, I'm not sure I consider it tested enough. I never really understood the point of getting rid of the cygwin1 dependency anyway. However, I do like the windows native version for one reason: in windows 9x and NT4, it doesn't open an extra command window for the forked polyglot process.

Of course, I haven't tested the new version of winboard in win95 yet.
I have a .REG file that I use to set up the PGN file type to invoke winboard in analysis mode. This has fcp as polyglot, and then I just hand-modify the INI file for whatever engine I want to analyze with. That process could be fine-tuned and automated to make it easy on end users to select the analysis engine. I don't ever use WB engines though, so I'm not sure what else might be necessary to support crafty in that process.

This is essentially what WinBoard does automatically, when you give the
-fUCI / -sUCI option. It writes the original argument of -fcp / -scp to a INI file,
and replaces the engine command by "polyglot".

Is there an association between .pgn (and .fen) files and winboard that the installer creates? That's mostly what my .reg file sets up, including the black-yellow icon from winboard.exe as the PGN icon. So when you d/l a pgn file, it has the correct icon, and when you double-click it, it launches winboard in analysis mode.

I used to set it up manually without a .reg file, but when I was testing Vista, I discovered there is no advanced option in the file association tool it provides.

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