branch core-updates updated (e4013b3126 -> 243ffb8237)

[guix-commits]

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

    from e4013b3126 gnu: cross-base: Remove ‘install-utf8-c-locale’.
     new d21d596f72 gnu: gcc: Support objc, objc++ by default.
     new 243ffb8237 gnu: clang-from-llvm: Use gcc's search paths.

The 2 revisions listed above as "new" are entirely new to this
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Summary of changes:
 gnu/packages/gcc.scm  | 98 +--------------------------------------------------
 gnu/packages/llvm.scm | 15 ++------
 guix/search-paths.scm | 14 ++++++++
 3 files changed, 17 insertions(+), 110 deletions(-)