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-rw-r--r--tools/include/linux/compiler-gcc.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
index 3723b9f8f964..a3a4427441bf 100644
--- a/tools/include/linux/compiler-gcc.h
+++ b/tools/include/linux/compiler-gcc.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _TOOLS_LINUX_COMPILER_H_
#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
#endif