ArchSupportsNCG=$(strip $(patsubst $(HostArch_CPP), YES, $(findstring $(HostArch_CPP), i386 x86_64 powerpc)))
OsSupportsNCG=$(strip $(patsubst $(HostOS_CPP), YES, $(patsubst aix,,$(HostOS_CPP))))
-ifeq "$(OsSupportsNCG)$(ArchSupportsNCG)" "YESYES"
+ifeq "$(OsSupportsNCG)$(ArchSupportsNCG)$(GhcUnregisterised)" "YESYESNO"
GhcWithNativeCodeGen=YES
else
GhcWithNativeCodeGen=NO