+AM_CONDITIONAL(HW_DEMO, test x$HW_DEMO = xyes)
+if test "x$HW_DEMO" = "xyes"; then
+ AC_DEFINE(HAVE_HW_DEMO, 1, [Demo driver support])
+fi
+
+AM_CONDITIONAL(HW_FLUKE_DMM, test x$HW_FLUKE_DMM = xyes)
+if test "x$HW_FLUKE_DMM" = "xyes"; then
+ AC_DEFINE(HAVE_HW_FLUKE_DMM, 1, [Fluke DMM support])
+fi
+
+AM_CONDITIONAL(HW_FX2LAFW, test x$HW_FX2LAFW = xyes)
+if test "x$HW_FX2LAFW" = "xyes"; then
+ AC_DEFINE(HAVE_HW_FX2LAFW, 1, [fx2lafw support])
+fi
+
+AM_CONDITIONAL(HW_HANTEK_DSO, test x$HW_HANTEK_DSO = xyes)
+if test "x$HW_HANTEK_DSO" = "xyes"; then
+ AC_DEFINE(HAVE_HW_HANTEK_DSO, 1, [Hantek DSO support])
+fi
+
+AM_CONDITIONAL(HW_LASCAR_EL_USB, test x$HW_LASCAR_EL_USB = xyes)
+if test "x$HW_LASCAR_EL_USB" = "xyes"; then
+ AC_DEFINE(HAVE_HW_LASCAR_EL_USB, 1, [Lascar EL-USB support])
+fi
+
+AM_CONDITIONAL(HW_LINK_MSO19, test x$HW_LINK_MSO19 = xyes)
+if test "x$HW_LINK_MSO19" = "xyes"; then
+ AC_DEFINE(HAVE_HW_LINK_MSO19, 1, [Link Instruments MSO-19 support])
+fi
+
+AM_CONDITIONAL(HW_MIC_985XX, test x$HW_MIC_985XX = xyes)
+if test "x$HW_MIC_985XX" = "xyes"; then
+ AC_DEFINE(HAVE_HW_MIC_985XX, 1, [MIC 985xx support])
+fi
+
+AM_CONDITIONAL(HW_NEXUS_OSCIPRIME, test x$HW_NEXUS_OSCIPRIME = xyes)
+if test "x$HW_NEXUS_OSCIPRIME" = "xyes"; then
+ AC_DEFINE(HAVE_HW_NEXUS_OSCIPRIME, 1, [Nexus Osciprime support])
+fi
+
+AM_CONDITIONAL(HW_OLS, test x$HW_OLS = xyes)
+if test "x$HW_OLS" = "xyes"; then
+ AC_DEFINE(HAVE_HW_OLS, 1, [OpenBench Logic Sniffer (OLS) support])
+fi
+
+AM_CONDITIONAL(HW_RIGOL_DS1XX2, test x$HW_RIGOL_DS1XX2 = xyes)
+if test "x$HW_RIGOL_DS1XX2" = "xyes"; then
+ AC_DEFINE(HAVE_HW_RIGOL_DS1XX2, 1, [Rigol DS1xx2 support])
+fi
+
+AM_CONDITIONAL(HW_SERIAL_DMM, test x$HW_SERIAL_DMM = xyes)
+if test "x$HW_SERIAL_DMM" = "xyes"; then
+ AC_DEFINE(HAVE_HW_SERIAL_DMM, 1, [Serial DMM support])
+fi
+
+AM_CONDITIONAL(HW_TONDAJ_SL_814, test x$HW_TONDAJ_SL_814 = xyes)
+if test "x$HW_TONDAJ_SL_814" = "xyes"; then
+ AC_DEFINE(HAVE_HW_TONDAJ_SL_814, 1, [Tondaj SL-814 support])
+fi
+
+AM_CONDITIONAL(HW_UNI_T_DMM, test x$HW_UNI_T_DMM = xyes)
+if test "x$HW_UNI_T_DMM" = "xyes"; then
+ AC_DEFINE(HAVE_HW_UNI_T_DMM, 1, [UNI-T DMM support])
+fi
+
+AM_CONDITIONAL(HW_VICTOR_DMM, test x$HW_VICTOR_DMM = xyes)
+if test "x$HW_VICTOR_DMM" = "xyes"; then
+ AC_DEFINE(HAVE_HW_VICTOR_DMM, 1, [Victor DMM support])
+fi
+
+AM_CONDITIONAL(HW_ZEROPLUS_LOGIC_CUBE, test x$HW_ZEROPLUS_LOGIC_CUBE = xyes)
+if test "x$HW_ZEROPLUS_LOGIC_CUBE" = "xyes"; then
+ AC_DEFINE(HAVE_HW_ZEROPLUS_LOGIC_CUBE, 1, [ZEROPLUS Logic Cube support])
+fi