branch core-updates updated (68b0e0d -> 7a9f482)

[guix-commits]

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

    from 68b0e0d  gnu: Disable more LuaJIT components on powerpc64le systems.
     new 145a5a5  gnu: glibc: Fix cross-compilation to powerpc64le-linux-gnu.
     new 285f3b5  gnu: guile: Skip 'test-stack-overflow'.
     new 198df03  build-system/gnu: patch-shebangs: Also patch shebangs in 
"/libexec".
     new 7a9f482  utils: Add 'search-input-directory'.

The 4 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:
 doc/guix.texi                                      |  13 ++-
 gnu/local.mk                                       |   1 +
 gnu/packages/base.scm                              |   1 +
 gnu/packages/guile.scm                             |  40 ++++----
 ...oss-objdump.patch => glibc-cross-objcopy.patch} | 104 ++++++++++-----------
 guix/build/gnu-build-system.scm                    |   3 +-
 guix/build/utils.scm                               |  17 ++++
 7 files changed, 106 insertions(+), 73 deletions(-)
 copy gnu/packages/patches/{glibc-cross-objdump.patch => 
glibc-cross-objcopy.patch} (56%)