Output overview with instructions after configure completed
diff --git a/configure.ac b/configure.ac
index 2efb09c..89c952d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,3 +66,12 @@
 man/Makefile
 ])
 
+echo "
+Configuration for $PACKAGE $VERSION:
+-------------------------------------------
+
+  Install prefix: .........: $prefix
+
+  Now type 'make' to build $PACKAGE $VERSION,
+  and then 'make install' for installation.
+"