use_xz?

[Vincent Lefevre]

Does MacPorts have a use_xz variable? Some tarballs are now distributed
in both gz and xz compression format, and xz is significantly smaller
than gz. For instance, for the coreutils 7.4:

  .tar.gz   9.3 MB
  .tar.xz   3.9 MB

-- 
Vincent Lefèvre <vincent at vinc17.org> - Web: <http://www.vinc17.org/>
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Work: CR INRIA - computer arithmetic / Arenaire project (LIP, ENS-Lyon)