-plugins_LTLIBRARIES = bmng.la srtm.la
-bmng_la_SOURCES = bmng.c bmng.h
-srtm_la_SOURCES = srtm.c srtm.h
+plugins_LTLIBRARIES = bmng.la srtm.la
+bmng_la_SOURCES = bmng.c bmng.h
+bmng_la_LIBADD = $(top_srcdir)/src/libgis.la
+srtm_la_SOURCES = srtm.c srtm.h
+srtm_la_LIBADD = $(top_srcdir)/src/libgis.la