Update py/circuitpy_mpconfig.mk

LearnWeaver · tannewt · web-flow · commit 94ca233d976a · 2020-05-08T07:55:11.000+10:00
Co-authored-by: Scott Shawcroft &lt;scott@tannewt.org&gt;
diff --git a/py/circuitpy_mpconfig.mk b/py/circuitpy_mpconfig.mk
@@ -109,9 +109,7 @@ CIRCUITPY_DIGITALIO = 1
 endif
 CFLAGS += -DCIRCUITPY_DIGITALIO=$(CIRCUITPY_DIGITALIO)
 
-ifndef CIRCUITPY_COUNTIO
-CIRCUITPY_COUNTIO = 1
-endif
+CIRCUITPY_COUNTIO ?= 1
 CFLAGS += -DCIRCUITPY_COUNTIO=$(CIRCUITPY_COUNTIO)
 
 
