diff -u a/src/Makefile.common b/src/Makefile.common.new
--- a/src/Makefile.common
+++ b/src/Makefile.common.new
@@ -68,18 +68,18 @@
 	mv y.tab.c cexp.c
 
 strFill.h: proto.h strTdef.h
-	xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
+	./xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
 		-str_fill -header \
 		> tmpStrFill.h
 	mv -f tmpStrFill.h strFill.h
 
 strTdef.h: proto.h
 	echo > strTdef.h
-	xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
+	./xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
 		-typedefs -enum_name -header \
 		> tmpStrTdef.h
 	mv -f tmpStrTdef.h strTdef.h
-	xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
+	./xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
 		-typedefs -enum_name -header \
 		> tmpStrTdef.h
 	mv -f tmpStrTdef.h strTdef.h
@@ -87,7 +87,7 @@
 enumTxt.c: proto.h strFill.h strTdef.h ../doc/_xrefrc
 	echo "#include \"stdinc.h\"" > enumTxt.c
 	echo "#include \"proto.h\"  /*SBD*/" >> enumTxt.c
-	xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
+	./xref.bs -task_regime_generate $(COMCFLAGS) proto.h \
 		-enum_name -body >> enumTxt.c
 
 #########################################################################

Diff finished.  Sat Sep 15 02:01:11 2018