branch core-updates updated (d936200 -> 16de7f1)

[Tobias Geerinckx-Rice]

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

      from  d936200   gnu: GRUB: Adjust to recent binutils changes.
       new  16de7f1   gnu: snappy: Optimise.

The 1 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "adds" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/local.mk                                       |  1 +
 gnu/packages/compression.scm                       | 17 +++++-----
 .../snappy-add-O2-flag-in-CmakeLists.txt.patch     | 36 ++++++++++++++++++++++
 3 files changed, 46 insertions(+), 8 deletions(-)
 create mode 100644 
gnu/packages/patches/snappy-add-O2-flag-in-CmakeLists.txt.patch