Index: trunk/FACT++/Makefile.am
===================================================================
--- trunk/FACT++/Makefile.am	(revision 11248)
+++ trunk/FACT++/Makefile.am	(revision 11249)
@@ -12,5 +12,5 @@
 
 AM_CXXFLAGS = $(AM_CPPFLAGS) $(QT4_INCLUDES) \
-   -Woverloaded-virtual -Wshadow -std=c++0x
+   -Woverloaded-virtual -Wnon-virtual-dtor -Wshadow -std=c++0x
 
 # -no-undefined
Index: trunk/FACT++/Makefile.in
===================================================================
--- trunk/FACT++/Makefile.in	(revision 11248)
+++ trunk/FACT++/Makefile.in	(revision 11249)
@@ -611,5 +611,5 @@
 
 AM_CXXFLAGS = $(AM_CPPFLAGS) $(QT4_INCLUDES) \
-   -Woverloaded-virtual -Wshadow -std=c++0x
+   -Woverloaded-virtual -Wnon-virtual-dtor -Wshadow -std=c++0x