diff --git a/fsfw.mk b/fsfw.mk
new file mode 100644
index 000000000..c025ba23d
--- /dev/null
+++ b/fsfw.mk
@@ -0,0 +1,59 @@
+# This submake file needs to be included by the primary Makefile.
+# This file needs FRAMEWORK_PATH and OS_FSFW set correctly by another Makefile.
+# Valid API settings: rtems, linux, freeRTOS, host
+
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/action/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/container/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/contrib/sgp4/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/controller/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/coordinates/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/datalinklayer/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/datapool/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/devicehandlers/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/events/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/events/eventmatching/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/fdir/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/globalfunctions/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/globalfunctions/matching/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/globalfunctions/math/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/health/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/internalError/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/ipc/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/memory/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/modes/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/monitoring/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/objectmanager/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/osal/*.cpp)
+
+# select the OS
+ifeq ($(OS_FSFW),rtems)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/osal/rtems/*.cpp)
+else ifeq ($(OS_FSFW),linux)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/osal/linux/*.cpp)
+else ifeq ($(OS_FSFW),freeRTOS)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/osal/FreeRTOS/*.cpp)
+else ifeq ($(OS_FSFW),host)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/osal/host/*.cpp)
+else
+$(error invalid OS specified, valid OS are rtems, linux, freeRTOS, host)
+endif
+
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/parameters/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/power/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/returnvalues/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/rmap/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/serialize/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/serviceinterface/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/storagemanager/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/subsystem/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/subsystem/modes/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tasks/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tcdistribution/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/thermal/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/timemanager/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tmstorage/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tmtcpacket/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tmtcpacket/packetmatcher/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tmtcpacket/pus/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/tmtcservices/*.cpp)
+CXXSRC += $(wildcard $(FRAMEWORK_PATH)/pus/*.cpp)