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From: Andreas Oberritter <obi@saftware.de>
To: Michael Tokarev <mjt@tls.msk.ru>
Cc: autofs@vger.kernel.org
Subject: Re: [PATCH v2] autofs-5.0.7 - create a shared library
Date: Fri, 15 Mar 2013 15:28:51 +0100	[thread overview]
Message-ID: <51433023.4060008@saftware.de> (raw)
In-Reply-To: <5143249F.1030808@msgid.tls.msk.ru>

On 15.03.2013 14:39, Michael Tokarev wrote:
> 15.03.2013 17:24, Andreas Oberritter wrote:
>> On 15.03.2013 11:28, Michael Tokarev wrote:
>>> 15.03.2013 02:30, Andreas Oberritter wrote:
>>>> This reduces the (stripped) binary size from 1.6M to 572K
>>>> on my system.
>>>
>>> But it creates an additional file, the shared library, which
>>> also occupes space.
>>>
>>> What's the reason for that?  Instead of just one executable
>>> we now have executable plus a library, which together is
>>> larger than single executable.
>>
>> The numbers I mentioned are the total size of all created binaries (i.e.
>> excluding configuration und documentation, but including all modules and
>> the automount executable, and of course including the shared library).
>>
>> So why does this save space? Because the static library was linked into
>> every module and into the automount executable.
> 
> Aha. So that's the library linked into every module.  That explains
> things.
> 
> But now I've another question. Maybe it is better to link whole that
> lib into the main executable, instead of linking it to every module?

I hope you don't mind me forwarding your response to the list.

This may work (using -Wl,--whole-archive), but I think this would
require some more testing.

A first compile-test shows that this would save further 36K on my
system, compared to the shared library.

Regards,
Andreas


  parent reply	other threads:[~2013-03-15 14:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-14 15:20 [PATCH 1/3] autofs-5.0.7 - include linux/nfs.h directly in rpc_subs.h Andreas Oberritter
2013-03-14 15:20 ` [PATCH 2/3] autofs-5.0.7 - pass -pthread flag to gcc Andreas Oberritter
2013-03-14 15:21 ` [PATCH 3/3] autofs-5.0.7 - create a shared library Andreas Oberritter
2013-03-14 22:30   ` [PATCH v2] " Andreas Oberritter
2013-03-15 10:28     ` Michael Tokarev
2013-03-15 13:45       ` Andreas Oberritter
     [not found]       ` <51432119.2010200@saftware.de>
     [not found]         ` <5143249F.1030808@msgid.tls.msk.ru>
2013-03-15 14:28           ` Andreas Oberritter [this message]
2013-03-15 15:46             ` [PATCH] autofs-5.0.7 - link autofs.a into executable only Andreas Oberritter

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