1 files changed, 44 insertions, 0 deletions
diff --git a/include/linux/compiler-version.h b/include/linux/compiler-version.h
new file mode 100644
index 000000000000..ac1665a98a15
--- /dev/null
+++ b/include/linux/compiler-version.h
@@ -0,0 +1,44 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifdef  __LINUX_COMPILER_VERSION_H
+#error "Please do not include <linux/compiler-version.h>. This is done by the build system."
+#endif
+#define __LINUX_COMPILER_VERSION_H
+
+/*
+ * This header exists to force full rebuild when the compiler is upgraded.
+ *
+ * When fixdep scans this, it will find this string "CONFIG_CC_VERSION_TEXT"
+ * and add dependency on include/config/CC_VERSION_TEXT, which is touched
+ * by Kconfig when the version string from the compiler changes.
+ */
+
+/* Additional tree-wide dependencies start here. */
+
+/*
+ * If any of the GCC plugins change, we need to rebuild everything that
+ * was built with them, as they may have changed their behavior and those
+ * behaviors may need to be synchronized across all translation units.
+ */
+#ifdef GCC_PLUGINS
+#include <generated/gcc-plugins.h>
+#endif
+
+/*
+ * If the randstruct seed itself changes (whether for GCC plugins or
+ * Clang), the entire tree needs to be rebuilt since the randomization of
+ * structures may change between compilation units if not.
+ */
+#ifdef RANDSTRUCT
+#include <generated/randstruct_hash.h>
+#endif
+
+/*
+ * If any external changes affect Clang's integer wrapping sanitizer
+ * behavior, a full rebuild is needed as the coverage for wrapping types
+ * may have changed, which may impact the expected behaviors that should
+ * not differ between compilation units.
+ */
+#ifdef INTEGER_WRAP
+#include <generated/integer-wrap.h>
+#endif