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-rw-r--r--scripts/Makefile.extrawarn3
1 files changed, 3 insertions, 0 deletions
diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index 0ec0d24b1c..6547e57357 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -9,6 +9,9 @@
# $(call cc-option, -W...) handles gcc -W.. options which
# are not supported by all versions of the compiler
# ==========================================================================
+#
+# SPDX-License-Identifier: GPL-2.0
+#
ifeq ("$(origin W)", "command line")
export KBUILD_ENABLE_EXTRA_GCC_CHECKS := $(W)
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