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X-Authentication-Warning: slinky.cs.nyu.edu: pechtcha owned process doing -bs
Date: Thu, 6 Mar 2003 13:48:45 -0500 (EST)
From: Igor Pechtchanski <pechtcha AT cs DOT nyu DOT edu>
Reply-To: cygwin AT cygwin DOT com
To: "Bruce Adams [TEPG Sunbury]" <bruadams AT tycoint DOT com>
cc: cygwin AT cygwin DOT com, Max Bowsher <maxb AT ukf DOT net>
Subject: RE: Exception: STATUS_PRIVILEGED_INSTRUCTION occurs before main is
  executed.
In-Reply-To: <C9150052B112D3119E9E0004ACA6E4370345CB49@tepg1.tepg.co.uk>
Message-ID: <Pine.GSO.4.44.0303061345010.21495-100000@slinky.cs.nyu.edu>
Importance: Normal
MIME-Version: 1.0
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On Thu, 6 Mar 2003, Bruce Adams [TEPG Sunbury] wrote:

> >-----Original Message-----
> >From: Max Bowsher [mailto:maxb AT ukf DOT net]
> >Sent: 06 March 2003 14:43
> >To: cygwin AT cygwin DOT com
> >Subject: Re: Exception: STATUS_PRIVILEGED_INSTRUCTION occurs
> >before main is executed.
> >
> >> On Thu, 6 Mar 2003, Bruce Adams [TEPG Sunbury] wrote:
> >>> I think it would be a great idea if the post setup phase did some
> >>> basic configure style checking (assuming it doesn't already). i.e.
> >>>    Checking if the compiler gcc works.... No
> >>>
> >>> It would have saved me a couple of months of heartache.
> >>> I seems very strange that nobody else spotted it though.
> >>> How exactly could an installation become so corrupt that nothing
> >>> short of a complete download (from a different mirror site)
> >>> fixes it without the underlying package being in error?
> >
> >Somehow, it managed it, since there are lots of us who haven't
> >done a clean install for ages.
> >
> >Igor Pechtchanski wrote:
> >> I'm reasonably sure that if you create such a post-install script, it
> >> will be at least thoughfully considered by the gcc maintainer...
> >
> >Well, I'm not the gcc maintainer, but I'd be surprised if such
> >a script was accepted. Here's why:
> >
> >1) There is no (good) way for a postinstall script to talk to the user.
> >
> Is that a limitation of the current postinstall process?  I'm not sure
> what your definition of 'good' entails.
> A report that doesn't explain the problem is better than no report at all.
> For a first cut I'd be happy with
>
> tk_messageBox -title "Installation Error" -message "Problem with C++
> compilation"
>
> Though something more like the below would be preferable for the general
> case:
>
> Gcc post install
>   IF post-install-error
>      Add error to list
>
> Post post install :-)
>   IF console-based-install
>       print list of errors found to console
>   ELSE // gui-based-install
>       print list of errors found to message box instead of "installation ok"

Ah, there's the use of the script that depends on all others that John
Morrison was thinking about... :-D

Alternatively, setup could simply read something like
/var/log/setup.log.errors and print the contents (if any) as part of the
"installation complete" mbox...

> >2) If the package was broken immediately after installation,
> >then wouldn't the maintainer have noticed before releasing it?
> >
> One would hope so.  But if they did it was not enough to spot my dodgey
> installation problem.  Anyway, does it ever hurt to double check?
> We wouldn't have to run the complete gcc test-suite (though as an option
> it might be nice).  Just a smoke-test of some reasonably simple code.
> It wouldn't be such a bad thing if all packages had one, especially
> experimental ones.
>
> Regards,
>       Bruce A.

Yep, the above could be a generic mechanism for a postinstall script to
notify setup that something went wrong...
	Igor
-- 
				http://cs.nyu.edu/~pechtcha/
      |\      _,,,---,,_		pechtcha AT cs DOT nyu DOT edu
ZZZzz /,`.-'`'    -.  ;-;;,_		igor AT watson DOT ibm DOT com
     |,4-  ) )-,_. ,\ (  `'-'		Igor Pechtchanski
    '---''(_/--'  `-'\_) fL	a.k.a JaguaR-R-R-r-r-r-.-.-.  Meow!

Oh, boy, virtual memory! Now I'm gonna make myself a really *big* RAMdisk!
  -- /usr/games/fortune


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