{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether // is distinct from /" >&5
$as_echo_n "checking whether // is distinct from /... " >&6; }
if ${gl_cv_double_slash_root+:} false; then :
  $as_echo_n "(cached) " >&6
else
   if test x"$cross_compiling" = xyes ; then
        # When cross-compiling, there is no way to tell whether // is special
        # short of a list of hosts.  However, the only known hosts to date
        # that have a distinct // are Apollo DomainOS (too old to port to),
        # Cygwin, and z/OS.  If anyone knows of another system for which // has
        # special semantics and is distinct from /, please report it to
        # <bug-gnulib@gnu.org>.
        case $host in
          *-cygwin | i370-ibm-openedition)
            gl_cv_double_slash_root=yes ;;
          *)
            # Be optimistic and assume that / and // are the same when we
            # don't know.
            gl_cv_double_slash_root='unknown, assuming no' ;;
        esac
      else
        set x `ls -di / // 2>/dev/null`
        if test "$2" = "$4" && wc //dev/null >/dev/null 2>&1; then
          gl_cv_double_slash_root=no
        else
          gl_cv_double_slash_root=yes
        fi
      fi
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_double_slash_root" >&5
$as_echo "$gl_cv_double_slash_root" >&6; }
  if test "$gl_cv_double_slash_root" = yes; then

$as_echo "#define DOUBLE_SLASH_IS_DISTINCT_ROOT 1" >>confdefs.h

  fi