Re: Removal of useless include references

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От Bruce Momjian
Тема Re: Removal of useless include references
Дата
Msg-id 201109011404.p81E4X314464@momjian.us
обсуждение исходный текст
Ответ на Re: Removal of useless include references  (Bruce Momjian <bruce@momjian.us>)
Ответы Re: Removal of useless include references
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Bruce Momjian wrote:
> Bruce Momjian wrote:
> > Tom Lane wrote:
> > > Bruce Momjian <bruce@momjian.us> writes:
> > > > It has been years since I ran src/tools/pginclude/pgrminclude to remove
> > > > unnecessary include files.  (I have already fixed things so include
> > > > files can be compiled on their own.)
> > > 
> > > > The attached patch removes unneeded include references, and marks some
> > > > includes as needing to be skipped by pgrminclude.
> > > 
> > > > I am sure applying this patch will break builds on some platforms and
> > > > some option combinations so I will monitor the buildfarm when I apply it
> > > > and make adjustments.
> > > 
> > > The last time you did this was in July 2006.  It took us two weeks to
> > > mostly recover, but we were still dealing with some fallout in December,
> > > cf
> > > http://archives.postgresql.org/pgsql-hackers/2006-12/msg00491.php
> > > 
> > > We had the buildfarm then, had had it for a couple years.  The notion
> > > that watching the buildfarm is enough is fully disproven by history.
> > > 
> > > Unless you have a better test plan than last time (which this isn't),
> > > I don't think this should be done at all.  The benefits are microscopic
> > > and the pain real.
> > 
> > I don't have a better plan.  There are #ifdef code blocks that often
> > don't get processed and therefore this can't be done better.  I will
> > abandon the idea.
> 
> OK, try #2.  I already had code that removed #if/#else/#endif code in
> *.h files for better testing, so I extended that to all *.c files.  This
> reduces the size of the diff from 6.6k lines to 4.7k lines but it makes
> it much less likely that there will be problems from running
> pgrminclude.
> 
> The current patch is here:
> 
>     http://momjian.us/expire/pgrminclude.diff
> 
> I tested the patch on BSD and Linux.

I have re-run the script and applied the result, again tested on BSD and
Linux.   I will monitor the buildfarm for possible failures.

This is not something we are going to do regularly, but probably every
five years like this time.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com
 + It's impossible for everything to be true. +


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