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authorDmitry Torokhov <[email protected]>2021-05-04 11:46:00 -0700
committerDmitry Torokhov <[email protected]>2021-05-04 11:46:00 -0700
commitd0034a7a4ac7fae708146ac0059b9c47a1543f0d (patch)
treeac3ac88066f0f80632aa754e3ae008994f2426a2 /include/linux/compiler-version.h
parent56cfe6f820a6315291eb5a1b82bb49633b993d3b (diff)
parentd12b64b9764ea17554fb230784ebf91287ed807e (diff)
Merge branch 'next' into for-linus
Prepare input updates for 5.13 merge window.
Diffstat (limited to 'include/linux/compiler-version.h')
-rw-r--r--include/linux/compiler-version.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/compiler-version.h b/include/linux/compiler-version.h
new file mode 100644
index 000000000000..2b2972c77c62
--- /dev/null
+++ b/include/linux/compiler-version.h
@@ -0,0 +1,14 @@
+/* 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.h, which is touched
+ * by Kconfig when the version string from the compiler changes.
+ */