Add definition based on currently-selected serial driver. (qmk#10716)

* Add definition based on currently-selected serial driver. * Apply suggestions from code review Suggestions from zvecr. Co-authored-by: Joel Challis <git@zvecr.com> Co-authored-by: Joel Challis <git@zvecr.com>
BorisTestov · Oct 30, 2020 · 8c7f901 · 8c7f901
1 parent 572dee0
commit 8c7f901
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/common_features.mk b/common_features.mk
@@ -450,6 +450,7 @@ ifeq ($(strip $(SPLIT_KEYBOARD)), yes)
         endif
 
         SERIAL_DRIVER ?= bitbang
+        OPT_DEFS += -DSERIAL_DRIVER_$(strip $(shell echo $(SERIAL_DRIVER) | tr '[:lower:]' '[:upper:]'))
         ifeq ($(strip $(SERIAL_DRIVER)), bitbang)
             QUANTUM_LIB_SRC += serial.c
         else