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Date: Mon, 3 Nov 2014 11:25:15 +0100
From: Corinna Vinschen <corinna-cygwin@cygwin.com>
To: cygwin@cygwin.com
Subject: Re: Setup 2.774 texlive postinstall takes 10+ hours
Message-ID: <20141103102515.GS14051@calimero.vinschen.de>
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On Nov  2 13:02, Ken Brown wrote:
> On 10/30/2014 6:27 PM, Don MacDougall wrote:
> >So, why the
> >postinst scripts failed to run before, now becomes an academic matter for
> >me.
>=20
> Nevertheless, let me point out for the sake of the archives that the answ=
er
> was contained in one of your earlier messages:
>=20
> On 10/24/2014 3:11 AM, Don MacDougall wrote:
> > Can't fork, trying again in 5 seconds at /usr/bin/updmap line 59.
> >        7 [main] perl 8088 child_info_fork::abort: unable to remap Fcntl=
.dll
> > to same address as parent (0x2E0000) - try running rebaseall
>=20
> The problem is that many of the texlive postinstall scripts run perl
> scripts, and these failed as above because rebaseall needed to be run.  I
> guess this problem will occur whenever perl and texlive are installed
> simultaneously.
>=20
> I'm not sure what the solution is.  Would it be hard to tweak setup.exe so
> that it runs the autorebase postinstall script before running any others?
> Or would this be a bad idea for other reasons?

Off the top of my head I don't know how hard that would be, but it
doesn't sound like an especially bad idea to me.  Au contraire.

The only reasons not to do that would be if an installer script would
move DLLs around (Do we have that?  I hope not) or if there's a simpler
solution.

One thing we could test is if we can't get away without tweaking
setup.exe, by changing the dependencies only.  Right now _autorebase
requires rebase and dash packages.  Both are in Base anyway, but they
pull in more dependencies which result in something like a rat tail of
dependencies.  So I'm wondering if tweaking _autorebase' setup.hint file
like this:

 sdesc: "Run rebaseall automatically"
 #external-source: rebase
 category: _PostInstallLast
-requires: rebase dash
 autodep: .*/[^/]*\.(?:dll|so|oct)$
 incver_ifdep: yes
+noautodep: cygwin

and tweaking cygwin's setup.hint file like this:

 sdesc: "The UNIX emulation engine"
 category: Base
-requires: base-cygwin
+requires: base-cygwin _autorebase
 noautodep: _update-info-dir
 autodep: .*

would do the trick.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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