Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes

Merge git://git./linux/kernel/git/sam/kbuild-fixes

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  Fix incompatibility with versions of Perl less than 5.6.0
  kbuild: do not include arch/<ARCH>/include/asm in find-sources twice.
  kbuild: tag with git revision when git describe is missing
  kbuild: prevent modpost from looking for a .cmd file for a static library linked into a module
  kbuild: fix KBUILD_EXTRA_SYMBOLS
  adjust init section definitions
  scripts/checksyscalls.sh: fix for non-gnu sed
  scripts/package: don't break if %{_smp_mflags} isn't set
  kbuild: setlocalversion: dont include svn change count
  kbuild: improve check-symlink
  kbuild: mkspec - fix build rpm