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From: "Matthew O. Persico" <persicom AT acedsl DOT com>
To: <huntharo AT msu DOT edu>, <cygwin-xfree AT cygwin DOT com>
CC: <cygwin AT cygwin DOT com>
Date: Fri, 9 May 2003 01:12:46 -0400
In-Reply-To: <3EBB33AC.5090403@msu.edu>
Message-ID: <20035911246.808633@mopxp>
Subject: Re: Wanted X, got Perl - operator error or prequisiste
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On Fri, 09 May 2003 00:50:52 -0400, Harold L Hunt II wrote:
>Matt,
>
>You did almost enough research.
>
>You are correct that none of the XFree86 packages depends directory
>or indirectly upon Perl.  The little bit of extra research that I
>did for you (other than looking at my setup.hint files again) was to
>run a clean instance of setup.exe (after renaming c:\cygiwn to
>c:\cygwin_foo), select all of the XFree86 packages, then note that
>perl has still not been selected.  Thus, no XFree86 packages causes
>perl to be selected.
>
>Here is what happened (even if you don't remember it):
>
>1) You saw package foo (say, autoconf)
>
>2) You thought, ``I might like to have foo''
>
>3) You selected foo, which depends upon perl and caused perl to be
>selected
>
>4) You thought, ``Nah, I will never use foo''
>
>5) You unselected foo, which left all of its dependencies (including
>perl) selected
>
>6) You got perl ;)
>

When I selected the XFree stuff, I started setup.exe and it was in category mode. The only category I picked/expanded was XFree. So, at least in 
this session, I did not select any other packages except for what was under XFree. If I had selected them in any other session, I would have had 
Perl downloaded in that session. Selections that are not installed are not stored between invocations ( I just proved that).

So there is either a bug in the program or a bug in my head. If I had to make a bet, I'd bet on the bug being in my head, in spite of my protests to 
the contrary above. :-)

>Step 5 is crucial there: setup.exe does not unselect dependencies
>when you remove an item from the list of packages to install.  Think
>about it, how would we track whether a user selected the package or
>if it was selected by dependency?  

With great difficulty.

>Why spend the extra effort
>tracking such things when this is the first time I have seen someone
>ask about this in the 2 or 3 years that I have been working with
>Cygwin/XFree86?

Why indeed?

>You are correct that XFree86 does not depend upon Perl... you just
>got unlucky.
>
>The *.pl scripts in XFree86 mean nothing --- they are not needed for
>the normal operation of the X Server.
>

Then I'll just whack 'em.

>
>I hope that clears things up,
>

Yes, thanks.
-- 
Matthew O. Persico




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