Index: configure
==================================================================
--- configure
+++ configure
@@ -23,10 +23,18 @@
     PREFIX=$PWD
 else
     PREFIX=$1
 fi
 
+#======================================================================
+# Required software checks
+#======================================================================
+
+if [[ ! $(type fossil) ]];then
+    echo "Please install fossil from http://fossil-scm.org"
+    exit 1
+fi
 
 #======================================================================
 # Configure stuff needed for eggs
 #======================================================================