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+dnl @synopsis AC_CHECK_RQRD_CLASS
+dnl AC_CHECK_RQRD_CLASS tests the existence of a given Java class, either in
+dnl a jar or in a '.class' file and fails if it doesn't exist.
+dnl Its success or failure can depend on a proper setting of the
+dnl CLASSPATH env. variable.
+dnl Note: This is part of the set of autoconf M4 macros for Java programs.
+dnl It is VERY IMPORTANT that you download the whole set, some
+dnl macros depend on other. Unfortunately, the autoconf archive does not
+dnl support the concept of set of macros, so I had to break it for
+dnl The general documentation, as well as the sample configure.in, is
+dnl included in the AC_PROG_JAVA macro.
+dnl @author Stephane Bortzmeyer <email@example.com>
+dnl @version $Id: ac_check_rqrd_class.m4,v 1.1 2002/12/31 22:29:23 bress Exp $
+CLASS=`echo $1|sed 's/\./_/g'`
+if test "$HAVE_LAST_CLASS" = "no"; then
+ AC_MSG_ERROR([Required class $1 missing, exiting.])