From: Peter Korsgaard <jacmet@uclibc.org>
To: buildroot@busybox.net
Subject: [Buildroot] Duplication and size of binaries in generated toolchain
Date: Thu, 05 Mar 2009 15:22:52 +0100 [thread overview]
Message-ID: <878wnkf3r7.fsf@macbook.be.48ers.dk> (raw)
In-Reply-To: <20090305151359.20b37039@surf> (Thomas Petazzoni's message of "Thu\, 5 Mar 2009 15\:13\:59 +0100")
>>>>> "Thomas" == Thomas Petazzoni <thomas.petazzoni@free-electrons.com> writes:
Hi,
Thomas> After compiling a toolchain with Buildroot (no packages, no
Thomas> kernel, see attached configuration file), I end up with
Thomas> duplicated binaries in the STAGING_DIR.
Thomas> Same story for as, c++, g++, gcc, ld, nm, objcopy, objdump, ranlib,
Thomas> strip. In total, it's 24 MB of binaries that are duplicated.
Thomas> I'm not sure why the binaries without the arm-linux prefix are needed
Thomas> in usr/arm-linux/bin. But if they are, couldn't they be symbolic links.
They are hard links to the same file:
find -type f -name \*ar|xargs stat
File: `./usr/bin/powerpc-linux-uclibc-ar'
Size: 3675834 Blocks: 7192 IO Block: 4096 regular file
Device: fe00h/65024d Inode: 3638102 Links: 2
Access: (0755/-rwxr-xr-x) Uid: ( 1000/ peko) Gid: ( 1000/ peko)
Access: 2009-03-05 13:39:31.000000000 +0100
Modify: 2009-03-05 13:39:31.000000000 +0100
Change: 2009-03-05 13:39:32.000000000 +0100
File: `./usr/powerpc-linux-uclibc/bin/ar'
Size: 3675834 Blocks: 7192 IO Block: 4096 regular file
Device: fe00h/65024d Inode: 3638102 Links: 2
Access: (0755/-rwxr-xr-x) Uid: ( 1000/ peko) Gid: ( 1000/ peko)
Access: 2009-03-05 13:39:31.000000000 +0100
Modify: 2009-03-05 13:39:31.000000000 +0100
Change: 2009-03-05 13:39:32.000000000 +0100
Thomas> Last question: why are the individual binutils so big ? For example,
Thomas> the strip program is 2.9 MB, ar is 2.4 MB. This looks ridiculously big
Thomas> for such simple tools. First of all, they are not stripped and they
Thomas> include debugging symbols, is it really necessary ? Even after
Thomas> stripping, strip itself is still ~650 KB. Is it because of the static
Thomas> linking against libbfd ?
I don't actually know. Bernhard?
--
Bye, Peter Korsgaard
next prev parent reply other threads:[~2009-03-05 14:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-05 14:13 [Buildroot] Duplication and size of binaries in generated toolchain Thomas Petazzoni
2009-03-05 14:22 ` Olaf Rempel
2009-03-05 14:22 ` Peter Korsgaard [this message]
2009-03-05 14:47 ` Thomas Petazzoni
2009-03-05 14:56 ` Peter Korsgaard
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