libsigrokhwcommon_la_SOURCES =
-if LA_SALEAE_LOGIC
+if NEED_EZUSB
libsigrokhwcommon_la_SOURCES += ezusb.c
endif
-if LA_FX2LAFW
-libsigrokhwcommon_la_SOURCES += ezusb.c
-endif
-
-if LA_OLS
+if NEED_SERIAL
libsigrokhwcommon_la_SOURCES += serial.c
endif