Merge branch 'trac3068'

configure.ac

@@ -129,7 +129,7 @@ AC_SUBST(WARNING_NO_MISSING_FIELD_INITIALIZERS_CFLAG)
 
 # gcc specific settings:
 if test "X$GXX" = "Xyes"; then
-B10_CXXFLAGS="$B10_CXXFLAGS -Wall -Wextra -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare"
+B10_CXXFLAGS="$B10_CXXFLAGS -Wall -Wextra -Wnon-virtual-dtor -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare"
 case "$host" in
 *-solaris*)
 	MULTITHREADING_FLAG=-pthreads