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-rw-r--r--platforms/avr/platform.mk1
1 files changed, 1 insertions, 0 deletions
diff --git a/platforms/avr/platform.mk b/platforms/avr/platform.mk
index b51a94c93a..39a11b28e4 100644
--- a/platforms/avr/platform.mk
+++ b/platforms/avr/platform.mk
@@ -24,6 +24,7 @@ COMPILEFLAGS += -fdata-sections
COMPILEFLAGS += -fpack-struct
COMPILEFLAGS += -fshort-enums
COMPILEFLAGS += -mcall-prologues
+COMPILEFLAGS += -fno-builtin-printf
# Linker relaxation is only possible if
# link time optimizations are not enabled.