Output from running autoreconf:
  configure.ac:45: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:45: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:45: the top level
  configure.ac:55: warning: The macro `AC_HELP_STRING' is obsolete.
  configure.ac:55: You should run autoupdate.
  ./lib/autoconf/general.m4:204: AC_HELP_STRING is expanded from...
  configure.ac:55: the top level
  configure.ac:1409: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1409: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:609: CHECK_MATIO_INT64_T is expanded from...
  configure.ac:1409: the top level
  configure.ac:1410: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1410: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:1249: CHECK_MATIO_UINT64_T is expanded from...
  configure.ac:1410: the top level
  configure.ac:1411: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1411: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:449: CHECK_MATIO_INT32_T is expanded from...
  configure.ac:1411: the top level
  configure.ac:1412: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1412: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:1089: CHECK_MATIO_UINT32_T is expanded from...
  configure.ac:1412: the top level
  configure.ac:1413: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1413: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:289: CHECK_MATIO_INT16_T is expanded from...
  configure.ac:1413: the top level
  configure.ac:1414: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1414: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:929: CHECK_MATIO_UINT16_T is expanded from...
  configure.ac:1414: the top level
  configure.ac:1415: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1415: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:129: CHECK_MATIO_INT8_T is expanded from...
  configure.ac:1415: the top level
  configure.ac:1416: warning: The macro `AC_TRY_LINK' is obsolete.
  configure.ac:1416: You should run autoupdate.
  ./lib/autoconf/general.m4:2920: AC_TRY_LINK is expanded from...
  configure.ac:769: CHECK_MATIO_UINT8_T is expanded from...
  configure.ac:1416: the top level