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From: Peter Johansson <trojkan@gmail.com>
To: Andy Wingo <wingo@pobox.com>
Cc: bug-automake@gnu.org, guile-devel@gnu.org
Subject: Re: preserving timestamps on installation
Date: Fri, 05 Jun 2009 11:45:57 -0400	[thread overview]
Message-ID: <4A293DB5.1060706@gmail.com> (raw)
In-Reply-To: <m3tz2vbtch.fsf@pobox.com>


> What I would suggest is, given that automake ships with an install.sh,
> add the -p option to install.sh, corresponding to install(1), and use it
> by default. I can't think of any downsides.
>
>   
That sounds like a bad idea.

Imagine the following (not unlikely) sequence:
1) install header.h
2) modify header.h
3) build some other package using the installed header.h
4) install the modified header.h
5) issue make in 'some other package'

Step 5 will not cause a recompilation because it looks like the newly 
installed header is old as 2) and 'other package' was built at 3) which 
is later.

If there is no difference between header.h in install 1) and 4) your 
suggestion might be a good idea, but to get that behavior you can use 
`install.sh -C'.

Cheers,

-- 
Peter Johansson

svndigest maintainer, http://dev.thep.lu.se/svndigest
yat maintainer,       http://dev.thep.lu.se/yat





  reply	other threads:[~2009-06-05 15:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-04 21:07 preserving timestamps on installation Andy Wingo
2009-06-05 15:45 ` Peter Johansson [this message]
2009-06-06 13:21 ` Ludovic Courtès
2009-06-06 23:44   ` Andy Wingo

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