-mirk_XXX_SOURCES = zexcept.cpp zconn.cpp zquery.cpp zrs.cpp zrec.cpp
-libzoomcpp_la_SOURCES = $(mirk_XXX_SOURCES) interface.h
+libzoompp_la_LIBADD = $(YAZLALIB)
+
+mirk_sources = zexcept.cpp zconn.cpp zquery.cpp zrs.cpp zrec.cpp
+libzoompp_la_SOURCES = $(mirk_sources) interface.h