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From: "David R. Linn" <drl@vuse.vanderbilt.edu>
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Subject: Re: emacs 21.3: -h flag to tar not supported on BSD/OS
Date: Sun, 11 May 2003 20:37:13 -0500 (CDT)
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>> While importing emacs-21.3 into BSD/OS 4.3/5.0 I found that Makefile.in
>> and leim/Makefile.in invoke tar with -chf.  The -h flag is not supported
>> by BSD/OS's tar (which is just a front-end for pax).
>> 
>> I do not see any symlinks in the distribution so I wonder why this flag
>> is there.

If you build for multiple architectures outside of the source tree,
the area from which you are installing can have symlinks into the
source tree.  Without the -h flag, those symlinks get installed as
symlinks that don't make sense outside the build environment.