dnl Available from the GNU Autoconf Macro Archive at: dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_check_rqrd_class.html dnl AC_DEFUN([AC_CHECK_RQRD_CLASS],[ CLASS=`echo $1|sed 's/\./_/g'` AC_CHECK_CLASS($1) if test "$HAVE_LAST_CLASS" = "no"; then AC_MSG_ERROR([Required class $1 missing, exiting.]) fi ])