@@ -1,7 +1,3 @@
-all:
-	cd src && ${MAKE} ${MFLAGS}
-	cd tests && ${MAKE} ${MFLAGS}
+SUBDIRS = src tests
 
-clean:
-	cd src && ${MAKE} ${MFLAGS} clean
-	cd tests && ${MAKE} ${MFLAGS} clean
+include buildsys.mk