--- rpl/modules/sets/Makefile.am	2017/07/03 12:15:30	1.3
+++ rpl/modules/sets/Makefile.am	2017/07/03 18:51:04	1.4
@@ -17,7 +17,7 @@ EXTRA_DIST = $(SRCRPLC) $(SRCH)
 clean:
 	\rm -f $(OBJ) sets.rplso
 
-%.o: %.rplc $(SRCH)
+%.o: %.rplc $(SRCH) $(top_builddir)/src/rplexternals.h $(top_builddir)/src/rpl.h
 	gfortran -x c -fPIC -Wall -DRPLCONFIG -O2 -g -funsigned-char \
 			-I$(top_srcdir) -I$(top_builddir)/src \
 			-DREADLINE_LIBRARY \