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-rw-r--r--flash/bootloader/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/flash/bootloader/Makefile b/flash/bootloader/Makefile
index 6872fcbc99..e7bd17aae9 100644
--- a/flash/bootloader/Makefile
+++ b/flash/bootloader/Makefile
@@ -35,7 +35,7 @@ DEFINES= -DPLATFORM_$(PLATFORM)
OBJDIR := .
-CFLAGS = -O -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes -fomit-frame-pointer -fschedule-insns $(INCLUDES) $(DEFINES)
+CFLAGS = -Os -W -Wall -m1 -nostdlib -ffreestanding -Wstrict-prototypes -fomit-frame-pointer -fschedule-insns $(INCLUDES) $(DEFINES)
AFLAGS += -small -relax