OPT_ENABLE_DEVICE_LIB_BUILD=$enable_device_lib_build
AC_SUBST(OPT_ENABLE_DEVICE_LIB_BUILD)
+AC_ARG_ENABLE(packihx,[ -disable-packihx Disables building packihx])
+OPT_ENABLE_PACKIHX=$enable_packihx
+AC_SUBST(OPT_ENABLE_PACKIHX)
+
#remove duplicates
cat ports.all | uniq >ports
mv ports ports.all