branch core-updates updated (42e735d -> 6a20289)

[Ludovic Courtès]

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

      from  42e735d   gnu: gmp: Skip unreliable test.
       new  14f8dae   gnu: python: Do not retain references to build tools.
       new  0d56e3e   gnu: python-wrapper: Improve synopsis and description.
       new  95288fc   gnu: python: Add "minimal" variants.
       new  afa181f   gnu: python: Build the tkinter module.
       new  6a20289   gnu: python: Simplify list of configure flags.

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:
 gnu-system.am                                      |    2 +
 gnu/packages/patches/python-2.7-search-paths.patch |   16 +++
 gnu/packages/patches/python-3-search-paths.patch   |   19 ++++
 gnu/packages/python.scm                            |  111 +++++++++++++-------
 gnu/packages/xml.scm                               |    2 +-
 gnu/packages/xorg.scm                              |    6 +-
 6 files changed, 114 insertions(+), 42 deletions(-)
 create mode 100644 gnu/packages/patches/python-2.7-search-paths.patch
 create mode 100644 gnu/packages/patches/python-3-search-paths.patch