Index: src/ipe6upgrade/Makefile
--- src/ipe6upgrade/Makefile.orig
+++ src/ipe6upgrade/Makefile
@@ -17,7 +17,7 @@ sources	= ipe6upgrade.cpp
 
 $(TARGET): $(objects)
 	$(MAKE_BINDIR)
-	$(CXX) $(LDFLAGS) -o $@ $^ $(LIBS)
+	$(CXX) $(LDFLAGS) -o $@ $^ $(LIBS) ${ICONV_LIBS}
 
 clean:
 	@-rm -f $(objects) $(TARGET) $(DEPEND)