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Re: Autoconf distributions and xz dependency

From: Alberto Luaces
Subject: Re: Autoconf distributions and xz dependency
Date: Tue, 06 Mar 2012 10:27:52 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/23.3 (gnu/linux)

Warren Young writes:

> On 3/2/2012 8:16 PM, Mike Frysinger wrote:
>> On Friday 02 March 2012 20:08:54 James K. Lowden wrote:
>>> On Fri, 02 Mar 2012 16:48:07 -0700 Warren Young wrote:
>>>> I still use systems[*] that don't have tar -J,


> I disagree with James' solution to add xz to libgzip.  However, I do
> wonder why GNU tar can't be smart enough to figure out what you meant
> when untarring with -z?  I get why we need -j and -J for creating
> archives, but when unpacking them, what's wrong with using magic
> numbers to detect the compression format?  (I know, off topic.  No
> need to reply, just venting.)

At least version 1.26 implements -a, which determines the compressor
from the file suffix.


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