+# The following variables should be declared in the including Makefile:
+# NATIVE_PACKAGE this native package name
+# A2_CATEGORY the (single) a2 category the bundles will belong to
+
+# The following variables have default values which can be overriden
+# DEP_NATIVE space-separated logical names of named depdencies
+# ADDITIONAL_INC additional includes
+# ADDITIONAL_LIBS additional native libraries
+DEP_NATIVE ?=
+ADDITIONAL_INC ?= $(foreach dep, $(DEP_NATIVE), /usr/include/$(dep))
+ADDITIONAL_LIBS ?= $(foreach dep, $(DEP_NATIVE), -l$(dep))
+