--- /dev/null
+# Makefile to build all programs
+
+all : single-thread/nbody mthread/nbody
+
+single-thread/nbody :
+ make -C single-thread
+
+mthread/nbody :
+ make -C mthread
+
+openmp/nbody :
+ make -C openmp
+
+clean :
+ make -C single-thread clean_full
+ make -C mthread clean_full
+ make -C openmp clean_full
+ rm *~