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-rw-r--r--platforms/chibios/platform.mk3
1 files changed, 2 insertions, 1 deletions
diff --git a/platforms/chibios/platform.mk b/platforms/chibios/platform.mk
index 63cc1a4b33..b2a8ec89e1 100644
--- a/platforms/chibios/platform.mk
+++ b/platforms/chibios/platform.mk
@@ -349,7 +349,8 @@ SHARED_CFLAGS = -fomit-frame-pointer \
-ffunction-sections \
-fdata-sections \
-fno-common \
- -fshort-wchar
+ -fshort-wchar \
+ -fno-builtin-printf
LDSCRIPT_PATH := $(shell dirname "$(LDSCRIPT)")