branch core-updates updated (7102c18 -> b843f62)

[guix-commits]

apteryx pushed a change to branch core-updates
in repository guix.

    from 7102c18  utils: Do not raise exceptions in delete-file-recursively.
     new 5a0997e  packages, scripts, utils: Enable multi-threaded xz 
compression.
     new b843f62  gnu: mit-krb5: Enable TLS support.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/kerberos.scm |  7 ++++++-
 guix/build/utils.scm      | 15 ++++++++++++++-
 guix/packages.scm         |  3 +++
 guix/scripts/pack.scm     | 27 ++++++++++++++++++---------
 guix/utils.scm            | 10 ++++++----
 5 files changed, 47 insertions(+), 15 deletions(-)