+
+lt=`which libtoolize`
+if [ "x$lt" = "x" ] ; then
+ echo "Libtool not found. Please install the libtool package to proceed with a CVS checkout"
+ exit 1
+fi
+
+am=`which automake-$amver`
+if [ "x$am" = "x" ] ; then
+ echo "automake version $amver not found. Please install the relevant package to proceed with a CVS checkout"
+ exit 1
+fi
+
+ac=`which autoconf`
+if [ "x$ac" = "x" ] ; then
+ echo "autoconf not found. Please install the relevant package to proceed with a CVS checkout"
+ exit 1
+fi
+
+set -e