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-rw-r--r--avr/Tupfile2
1 files changed, 1 insertions, 1 deletions
diff --git a/avr/Tupfile b/avr/Tupfile
index 05e7e69..c5a265d 100644
--- a/avr/Tupfile
+++ b/avr/Tupfile
@@ -69,7 +69,7 @@ endif
CFLAGS = -g -Os
CFLAGS += -mmcu=$(MCU_TARGET)
-CFLAGS += -std=gnu99
+CFLAGS += -std=gnu11
CFLAGS += -Wall -Wextra
CFLAGS += -Wredundant-decls
CFLAGS += -mrelax