Index: buildsys.mk.in
==================================================================
--- buildsys.mk.in
+++ buildsys.mk.in
@@ -92,23 +92,25 @@
 
 depend: pre-depend ${SRCS}
 	regen=0; \
 	test -f .deps || regen=1; \
 	for i in ${SRCS}; do test $$i -nt .deps && regen=1; done; \
-	if test x"$$regen" = x"1"; then \
+	if test x"$$regen" = x"1" -a x"${DEPS}" != "x"; then \
 		${DEPEND_STATUS}; \
 		rm -f .deps; \
 		if ${MAKE} ${MFLAGS} ${DEPS}; then \
+			cat ${DEPS} >.deps; \
+			rm -f ${DEPS}; \
 			${DEPEND_OK}; \
 		else \
-			rm -f .deps; \
+			rm -f .deps ${DEPS}; \
 			${DEPEND_FAILED}; \
 		fi; \
 	fi
 
 .c.dep .cc.dep .cxx.dep .m.dep:
-	${CPP} ${CPPFLAGS} -M $< >>.deps
+	${CPP} ${CPPFLAGS} -M $< >$@
 
 .d.dep:
 
 pre-depend:
 
@@ -350,11 +352,11 @@
 		${DIR_ENTER}; \
 		${MAKE} ${MFLAGS} clean || exit 1; \
 		${DIR_LEAVE}; \
 	done
 	
-	for i in ${OBJS} ${CLEAN} ${CLEAN_LIB} .deps; do \
+	for i in ${OBJS} ${CLEAN} ${CLEAN_LIB} .deps ${DEPS}; do \
 		if test -f $$i -o -d $$i; then \
 			if rm -fr $$i; then \
 				${DELETE_OK}; \
 			else \
 				${DELETE_FAILED}; \