branch core-updates updated (ec1ce76a3a -> 8e9573784f)

[guix-commits]

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

    from ec1ce76a3a gnu: gcc@7: Allow compilation with glibc 2.38.
     new 844fef43fd build-system/gnu: ‘package-with-extra-configure-variable’ 
uses gexps.
     new 3ac5b9bed2 gnu: cross-base: ‘cross’ helper uses gexps.
     new 8e9573784f gnu: binutils: Use gexps.

The 3 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/base.scm           |  84 +++++++++++-----------
 gnu/packages/commencement.scm   | 152 +++++++++++++++++++++-------------------
 gnu/packages/cross-base.scm     |  10 +--
 gnu/packages/embedded.scm       |  21 +++---
 gnu/packages/make-bootstrap.scm |  52 +++++++-------
 guix/build-system/gnu.scm       |  19 ++---
 6 files changed, 173 insertions(+), 165 deletions(-)