docs: def distribute_libs(self, arch, src_dirs, wildcard='*', dest_dir="libs"):
          '''Copy existing arch libs from build dirs to current dist dir.'''
          info('Copying libs')
          tgt_dir = join(dest_dir, arch.arch)
          ensure_dir(tgt_dir)
          for src_dir in src_dirs:
              for lib in glob.glob(join(src_dir, wildcard)):
                  shprint(sh.cp, '-a', lib, tgt_dir)