message: Honor compiler wrappers when building libarchive.
diff: @@ -788,7 +788,7 @@ def configure(cxx_toolkit = None,
  output_headers = libarchive_prefix)
  else:
  libarchive_env.update({
  - 'CC': cxx_toolkit.c,
  + 'CC': ' '.join(cxx_toolkit.command_c),
  })
  GNUBuilder(
  cxx_toolkit,
  