[Buildroot] [PATCH 2 of 3 v2] dependencies: build a host-tar if no suitable tar can be found

[Arnout Vandecappelle <arnout@mind.be>]

On Wednesday 23 November 2011 15:24:40 Thomas Petazzoni wrote:
> > TAR is redefined to HOST_TAR, except when extracting host-tar (this
> > is a chicken-and-egg problem), so that all packages use the host-tar
> > if no suitable tar was found.
> 
> I am still puzzled by the fact that tar is needed to extract this
> host-tar, so there's like a chicken-and-egg problem. I understand that
> the real host tar is used to extract the host-tar, which is then use to
> extract all other packages. But that sounds really nasty to me.

 It's not so strange, it's like a compiler's canadian build.  You need a
compiler to compile the compiler, right?

 The way it is solved for tar is OK for me.  I think adding support for
cpio archives would just complicate things, because then host-tar
can't use GENTARGETS anymore.

 Regards,
 Arnout
-- 
Arnout Vandecappelle                               arnout at mind be
Senior Embedded Software Architect                 +32-16-286540
Essensium/Mind                                     http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium                BE 872 984 063 RPR Leuven
LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle
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