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-rw-r--r--Makefile6
1 files changed, 6 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index de004ceb6b5..c060363f11c 100644
--- a/Makefile
+++ b/Makefile
@@ -659,6 +659,12 @@ KBUILD_CFLAGS += $(call cc-option,-fno-strict-overflow)
# conserve stack if available
KBUILD_CFLAGS += $(call cc-option,-fconserve-stack)
+# disallow errors like 'EXPORT_GPL(foo);' with missing header
+KBUILD_CFLAGS += $(call cc-option,-Werror=implicit-int)
+
+# require functions to have arguments in prototypes, not empty 'int foo()'
+KBUILD_CFLAGS += $(call cc-option,-Werror=strict-prototypes)
+
# use the deterministic mode of AR if available
KBUILD_ARFLAGS := $(call ar-option,D)