Rui Paulo bd9cab6fb4 release: use xz via pipe when compressing the tarballs.
libarchive(3) doesn't support the new liblzma API yet, but this change
allows us to enable multi-threaded xz compression.
``make release'' should now finish in half the time on a machine with
several cores and fast disks (our typical build server).

This behaviour only applies when building a release and it doesn't
affect buildworld/installworld.  To disable threaded xz compression,
set XZ_THREADS=1.

Reviewed by:	gjb
Tested by:	gjb
2015-02-17 23:13:45 +00:00
..
2014-12-24 18:51:25 +00:00
2015-02-05 16:00:34 +00:00
2015-01-24 08:48:05 +00:00
2015-02-04 11:55:32 +00:00