Output from running autoreconf:
  configure.ac:67: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:67: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:67: the top level
  configure.ac:89: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:89: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:89: the top level
  configure.ac:128: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:128: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:128: the top level
  configure.ac:152: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:152: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:152: the top level
  configure.ac:193: warning: AC_OUTPUT should be used without arguments.
  configure.ac:193: You should run autoupdate.
  configure.ac:67: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:67: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:67: the top level
  configure.ac:89: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:89: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:89: the top level
  configure.ac:128: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:128: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:128: the top level
  configure.ac:152: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:152: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:152: the top level
  configure.ac:193: warning: AC_OUTPUT should be used without arguments.
  configure.ac:193: You should run autoupdate.