Index: geos/tools/geos-config.in
===================================================================
--- geos.orig/tools/geos-config.in	2012-05-23 15:30:18.000000000 +0200
+++ geos/tools/geos-config.in	2012-05-23 15:37:54.000000000 +0200
@@ -38,7 +38,7 @@
     echo -I${prefix}/include 
       ;;
     --libs)
-      echo -L${libdir} -lgeos
+      echo -L${libdir} -lgeos-@VERSION@
       ;;
     --clibs)
       echo -L${libdir} -lgeos_c
