Output from running autoreconf:
  configure.ac:353: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:353: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:353: the top level
  configure.ac:397: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:397: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:397: the top level
  configure.ac:415: warning: The macro `AC_TRY_RUN' is obsolete.
  configure.ac:415: You should run autoupdate.
  ./lib/autoconf/general.m4:2997: AC_TRY_RUN is expanded from...
  configure.ac:415: the top level
  configure.ac:454: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:454: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:454: the top level
  configure.ac:472: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:472: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:472: the top level
  configure.ac:493: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:493: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:493: the top level
  configure.ac:522: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:522: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:522: the top level
  configure.ac:535: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:535: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:535: the top level
  configure.ac:612: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:612: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:612: the top level
  configure.ac:632: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:632: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:632: the top level
  configure.ac:652: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:652: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:652: the top level
  configure.ac:668: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:668: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:668: the top level
  configure.ac:756: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:756: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:738: CHECK_ENUM is expanded from...
  configure.ac:756: the top level
  configure.ac:760: warning: The macro `AC_TRY_COMPILE' is obsolete.
  configure.ac:760: You should run autoupdate.
  ./lib/autoconf/general.m4:2847: AC_TRY_COMPILE is expanded from...
  configure.ac:760: the top level
  configure.ac:839: warning: AC_OUTPUT should be used without arguments.
  configure.ac:839: You should run autoupdate.