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-rw-r--r--Makefile3
1 files changed, 3 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index df81a4c..4231023 100644
--- a/Makefile
+++ b/Makefile
@@ -688,6 +688,9 @@ 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)
+# Prohibit date/time macros, which would make the build non-deterministic
+KBUILD_CFLAGS += $(call cc-option,-Werror=date-time)
+
# use the deterministic mode of AR if available
KBUILD_ARFLAGS := $(call ar-option,D)
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