attribute on MacPorts files?

raf macports at
Tue Aug 4 03:55:26 UTC 2020

On Tue, Aug 04, 2020 at 01:06:28PM +1000, Joshua Root <jmr at> wrote:

> > Out of curiosity, looking for files that seemingly without good cause had the extended attribute on them, I noticed that almost all (417 out of 425) of the files installed for port libsdl had it on them (as well as two files for xephem:  /opt/local/share/xephem/auxil/wmm.cof and  /opt/local/share/xephem/lo/lodb.xml).
> > 
> > That was on a system running Mojave, with not as many ports installed as some of my other systems.
> > 
> > On a system running Catalina, in addition to those, I saw the attribute on about 155 of the 962 files installed by wxPython-3.0.
> > 
> > Nothing bit me in the eyeballs looking at the Portfile for libsdl, so I don't know why this happened. But it happened consistently on at least two systems, and I didn't do anything particularly strange installing MacPorts on them. But since _most_ ports don't leave that sort of mess around, I'm thinking it shouldn't have happened.
> > 
> > AFAIK, it hasn't caused any problems (give or take that extended attributes do consume a slight amount of disk space); but all oddities are IMO suspect that they might be suggestive of something not being done in the usual or correct manner (with the possibility of additional un-noticed repercussions), so I thought that having noticed this, I'd mention it.
> For libsdl it would be a side effect of how I generated the distfile.
> It's installing a snapshot of the hg repo because there have been a lot
> of important fixes since the last release of the 1.2 branch, and the
> next release may be a long way off still (if it ever happens; 1.2 is
> only kept around to support projects that haven't moved to SDL2). I
> re-made the tarball myself because there is no suitable tarball
> available from upstream (the hg web interface generates tarballs that
> differ depending on when you generate them, and the directory name is
> not what MacPorts expects).
> As you say, it shouldn't cause any serious problems, but I'll try to
> avoid it in future tarballs.
> - Josh

A command like this should fix it:

  xattr -rd *


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