Don't compile OSPF by default.

configure.in

@@ -8,7 +8,7 @@ AC_CONFIG_AUX_DIR(tools)
 
 AC_ARG_ENABLE(debug,[  --enable-debug          enable internal debugging routines (default: enabled)],,enable_debug=yes)
 AC_ARG_WITH(sysconfig,[  --with-sysconfig=FILE   use specified BIRD system configuration file])
-AC_ARG_WITH(protocols,[  --with-protocols=LIST   include specified routing protocols (default: rip,static)],,[with_protocols="rip,static,ospf"])
+AC_ARG_WITH(protocols,[  --with-protocols=LIST   include specified routing protocols (default: rip,static)],,[with_protocols="rip,static"])
 
 if test "$srcdir" = . ; then
 	# Building in current directory => create obj directory holding all objects