Bad configure check

[Andreas Schwab <schwab@suse.de>]

This configure check is bad:

  AC_MSG_CHECKING([for access to game group "$gameuser"])
  rm -f conf$$chown.file
  touch conf$$chown.file
  dnl If we can't chown a file to group games, then the users
  dnl can't share scores.
  if chown "$gameuser" conf$$chown.file 1>/dev/null 2>&1; then
    AC_MSG_RESULT([yes])
    if test "$gamedir" = "yes"; then
      gamedir="${localstatedir}/games/emacs"
    fi
    eval tgamedir=\"$gamedir\"
    AC_DEFINE_UNQUOTED(HAVE_SHARED_GAME_DIR, "$tgamedir",
    		       [Define to the name of the shared game directory.])
  else
    AC_MSG_RESULT([no])
    gamedir=no
  fi

The ability to do chown depends on the environment, this cannot be checked
at configure time.  The user who runs configure is usually different to
the user who runs Emacs.  The test must be performed at runtime.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab@suse.de
SuSE GmbH, Deutschherrnstr. 15-19, D-90429 Nürnberg
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"And now for something completely different."