branch master updated (e53fc0c -> 38d2778)

[Ludovic Courtès]

civodul pushed a change to branch master
in repository guix.

      from  e53fc0c   gnu: gstreamer: Add search patch specification for 
'GST_PLUGIN_SYSTEM_PATH'.
       new  a88b8c5   Revert "daemon: Fix possible use-after-free."
       new  2bb0490   Merge branch 'nix'.
       new  368d08f   build: Make sure $CXX supports C++11.
       new  e3fd0ce   store: Add 'optimize-store' RPC.
       new  38d2778   guix gc: Add '--optimize'.

The 5 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:
 config-daemon.ac                |    3 +
 daemon.am                       |    7 +-
 doc/guix.texi                   |   18 ++-
 guix/scripts/gc.scm             |   10 +-
 guix/store.scm                  |   10 +-
 m4/guix.m4                      |   39 +++++
 nix/libstore/build.cc           |  338 +++++++++++++++++++++++----------------
 nix/libstore/gc.cc              |   69 +++-----
 nix/libstore/globals.cc         |   92 +++++++----
 nix/libstore/globals.hh         |   26 ++-
 nix/libstore/local-store.cc     |   81 ++++-----
 nix/libstore/local-store.hh     |   19 +--
 nix/libstore/optimise-store.cc  |   16 ++
 nix/libstore/remote-store.cc    |   31 +++-
 nix/libstore/remote-store.hh    |    5 +-
 nix/libstore/store-api.hh       |    4 +
 nix/libstore/worker-protocol.hh |    2 +-
 nix/libutil/archive.cc          |  171 ++++++++++++---------
 nix/libutil/archive.hh          |   12 +-
 nix/libutil/serialise.cc        |   27 +++
 nix/libutil/serialise.hh        |   11 +-
 nix/libutil/types.hh            |   17 ++-
 nix/libutil/util.cc             |  188 +++++++++++-----------
 nix/libutil/util.hh             |   33 +++-
 nix/nix-daemon/guix-daemon.cc   |   25 ++-
 nix/nix-daemon/nix-daemon.cc    |  134 +++++++++-------
 tests/guix-archive.sh           |    3 +-
 27 files changed, 846 insertions(+), 545 deletions(-)