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-rw-r--r--configs/linux2
1 files changed, 1 insertions, 1 deletions
diff --git a/configs/linux b/configs/linux
index e3119ec5cdb..0ffc1bcb573 100644
--- a/configs/linux
+++ b/configs/linux
@@ -8,7 +8,7 @@ CONFIG_NAME = linux
CC = gcc
CXX = g++
-WARN_FLAGS = -Wall
+WARN_FLAGS = -Wall -Wmissing-prototypes
OPT_FLAGS = -O3 -g
PIC_FLAGS = -fPIC