branch core-updates updated (d594963 -> 40a461f)

[guix-commits]

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

    from d594963  gnu: eudev: Remove bugfix variant.
     new 56c833e  gnu: gcc@4.9, gcc@5: Adjust for CPLUS_INCLUDE_PATH changes.
     new f42bfc7  gnu: clang: Switch to 'C_INCLUDE_PATH' & co.
     new 40a461f  gnu: libcxx: Hide GCC's C++ headers during the build process.

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/gcc.scm  | 32 +++++++++++++++++++++++++++++++-
 gnu/packages/llvm.scm | 22 +++++++++++++++++++++-
 2 files changed, 52 insertions(+), 2 deletions(-)