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From: Adrian Bunk <bunk@stusta.de>
To: Dan Callaghan <dan.callaghan@opengear.com>
Cc: openembedded-core@lists.openembedded.org
Subject: Re: [PATCH v3] elfutils: add PACKAGECONFIG for compression algorithms
Date: Tue, 29 Oct 2019 22:18:21 +0200	[thread overview]
Message-ID: <20191029201821.GA26658@localhost> (raw)
In-Reply-To: <20191015224456.22136-1-dan.callaghan@opengear.com>

On Wed, Oct 16, 2019 at 08:44:56AM +1000, Dan Callaghan wrote:
> Elfutils has optional support for bzip2 and xz (lzma). It uses
> this for decompressing embedded ELF sections like the .gnu_debugdata
> section for "mini debuginfo":
> 
> https://sourceware.org/gdb/onlinedocs/gdb/MiniDebugInfo.html
>...
> +PACKAGECONFIG ??= "bzip2"
> +PACKAGECONFIG[bzip2] = "--with-bzlib,--without-bzlib,${DEPENDS_BZIP2}"
> +PACKAGECONFIG[xz] = "--with-lzma,--without-lzma,xz"
>...

Is any tooling actually doing this compression by default?

It is a bit surprising that this has the mostly-obsolete bzip2 enabled 
by default but not the more common (and better compressing) xz.

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed



  parent reply	other threads:[~2019-10-29 20:18 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-15  5:48 [PATCH] elfutils: add PACKAGECONFIG for compression algorithms Dan Callaghan
2019-10-15  6:01 ` Dan Callaghan
2019-10-15  6:15 ` [PATCH v2] " Dan Callaghan
2019-10-15  6:59   ` Jacob Kroon
2019-10-15  7:21     ` Dan Callaghan
2019-10-15  7:46       ` Jacob Kroon
2019-10-15 10:55       ` Ross Burton
2019-10-15 22:46         ` Dan Callaghan
2019-10-16 10:10           ` Ross Burton
2019-10-17  0:46             ` Randy MacLeod
2019-10-16 12:14           ` Richard Purdie
2019-10-15 22:44   ` [PATCH v3] " Dan Callaghan
2019-10-22 12:53     ` Richard Purdie
2019-10-29 20:00       ` Ross Burton
2019-10-29 20:18     ` Adrian Bunk [this message]
2019-10-29 20:51       ` Ross Burton
2019-10-29 21:46       ` Dan Callaghan
2019-10-30 23:05         ` Ross Burton
2019-10-16  0:02 ` ✗ patchtest: failure for elfutils: add PACKAGECONFIG for compression algorithms (rev3) Patchwork

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