AM_CONDITIONAL(AT91RM9200, test $build_at91rm9200 = yes)
AM_CONDITIONAL(BITBANG, test $build_bitbang = yes)
AM_CONDITIONAL(FT2232_LIBFTDI, test $build_ft2232_libftdi = yes)
-AM_CONDITIONAL(FT2232_FTD2XX, test $build_ft2232_ftd2xx = yes)
+AM_CONDITIONAL(FT2232_DRIVER, test $build_ft2232_ftd2xx = yes -o $build_ft2232_libftdi = yes)
AM_CONDITIONAL(AMTJTAGACCEL, test $build_amtjtagaccel = yes)
AM_CONDITIONAL(GW16012, test $build_gw16012 = yes)
AM_CONDITIONAL(PRESTO_LIBFTDI, test $build_presto_libftdi = yes)
-AM_CONDITIONAL(PRESTO_FTD2XX, test $build_presto_ftd2xx = yes)
+AM_CONDITIONAL(PRESTO_DRIVER, test $build_presto_ftd2xx = yes -o $build_presto_libftdi = yes)
AM_CONDITIONAL(USBPROG, test $build_usbprog = yes)
AM_CONDITIONAL(OOCD_TRACE, test $build_oocd_trace = yes)
AM_CONDITIONAL(JLINK, test $build_jlink = yes)