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Subject: Re: gnuplot 5.x.x.x not starting correctly in 64-bit CYGWIN console
To: cygwin AT cygwin DOT com
References: <loom DOT 20151117T004753-247 AT post DOT gmane DOT org>
Cc: John J Ottusch <ncokwqc02 AT sneakemail DOT com>
From: Ken Brown <kbrown AT cornell DOT edu>
Message-ID: <564A8446.3000000@cornell.edu>
Date: Mon, 16 Nov 2015 20:35:02 -0500
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On 11/16/2015 7:01 PM, John J Ottusch wrote:
>>>   The command 'cygcheck /usr/bin/gnuplot.exe' should give you that
> information.
>
>>> Ken
>
> Doing so finds several required DLL's but also reports
>
>    cygcheck: track_down: could not find cyglua-5.1.dll
>
> which is interesting because running the command
>
>    lua
>
> enters an interactive mode (unlike gnuplot), which suggests that 'lua'
> might be working.

You probably have lua5.2 installed, which provides cyglua-5.2.dll rather than 
cyglua-5.1.dll.

> If cyglua-5.1.dll is part of the normal 64-bit CYGWIN download then

I'm not sure what you mean by the "normal" download, but cyglua-5.1.dll is part 
of the lua5.1 package, and the latter is required by gnuplot.

> 1) I don't understand why it wasn't downloaded and installed
> automatically when I updated, and

It should have been.

> 2) I'm not sure what package(s) I would have to manually (re)install in
> order to get the 64-bit version, and

As I mentioned above, you will need to install (or reinstall) lua5.1. You can 
discover this kind of thing by going to the Cygwin website and clicking on 
"Search Packages" in the left column.

> (Sorry for the lack of previous context, but I did not receive a copy of
> Ken's message in my e-mail box to reply to.)

You should subscribe to the cygwin mailing list (or use something like gmane). 
The custom on this list is not to CC individuals, though I've made an exception 
this time to make sure you get the message.

Ken

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