diff -uNr dasher-4.11/Src/Gtk2/Makefile.in dasher-4.11p/Src/Gtk2/Makefile.in
--- dasher-4.11/Src/Gtk2/Makefile.in	2010-03-13 22:07:29.000000000 +0200
+++ dasher-4.11p/Src/Gtk2/Makefile.in	2012-08-07 21:30:24.918683378 +0300
@@ -91,7 +91,7 @@
 CXXLD = $(CXX)
 CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	--mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) \
-	$(LDFLAGS) -o $@
+	$(LDFLAGS) -lX11 -o $@
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
 	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
 LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \