-mirk_XXX_SOURCES = zexcept.cpp zconn.cpp zquery.cpp zrs.cpp zrec.cpp
-libzoomcpp_la_SOURCES = $(mirk_XXX_SOURCES) zoom++.h interface.h
-
-noinst_PROGRAMS = zclient
+mirk_sources = zexcept.cpp zconn.cpp zquery.cpp zrs.cpp zrec.cpp
+libzoomcpp_la_SOURCES = $(mirk_sources) interface.h
+pkginclude_HEADERS=zoom.h