include $(topdir)/build/profiles/net_4_x.make
-PROFILE_MCS_FLAGS := $(PROFILE_MCS_FLAGS) -d:XBUILD_12 -d:MONO -d:DISABLE_CAS_USE -lib:$(topdir)/class/lib/net_4_x
+PARENT_PROFILE = ../net_4_x/
+DEFAULT_REFERENCES = -r:$(topdir)/class/lib/net_4_x/mscorlib.dll
+PROFILE_MCS_FLAGS += -d:XBUILD_12
XBUILD_VERSION = 12.0