diff --git a/AuD/Makefile b/AuD/Makefile
old mode 100644
new mode 100755
diff --git a/IDB/Makefile b/IDB/Makefile
new file mode 100644
index 0000000..ca8865e
--- /dev/null
+++ b/IDB/Makefile
@@ -0,0 +1,7 @@
+SUBDIRS := idb_skript_greeny  klausur_ss16  klausur_ws1516 
+all: $(SUBDIRS)
+
+$(SUBDIRS):
+	$(MAKE) -C $@
+
+.PHONY: all $(SUBDIRS)
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..dd9dcce
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,7 @@
+SUBDIRS := AuD GTI IDB KonzMod MatheC1 MatheC4 RK ThProg
+all: $(SUBDIRS)
+
+$(SUBDIRS):
+	$(MAKE) -j 10 -C $@
+
+.PHONY: all $(SUBDIRS)