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-rw-r--r--tools/include/linux/compiler-gcc.h14
-rw-r--r--tools/include/linux/compiler.h10
-rw-r--r--tools/perf/MANIFEST1
3 files changed, 20 insertions, 5 deletions
diff --git a/tools/include/linux/compiler-gcc.h b/tools/include/linux/compiler-gcc.h
new file mode 100644
index 000000000000..48af2f10a42d
--- /dev/null
+++ b/tools/include/linux/compiler-gcc.h
@@ -0,0 +1,14 @@
+#ifndef _TOOLS_LINUX_COMPILER_H_
+#error "Please don't include <linux/compiler-gcc.h> directly, include <linux/compiler.h> instead."
+#endif
+
+/*
+ * Common definitions for all gcc versions go here.
+ */
+#define GCC_VERSION (__GNUC__ * 10000 \
+ + __GNUC_MINOR__ * 100 \
+ + __GNUC_PATCHLEVEL__)
+
+#if GCC_VERSION >= 70000 && !defined(__CHECKER__)
+# define __fallthrough __attribute__ ((fallthrough))
+#endif
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index d94179f94caa..6326ede9aece 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -1,6 +1,10 @@
#ifndef _TOOLS_LINUX_COMPILER_H_
#define _TOOLS_LINUX_COMPILER_H_
+#ifdef __GNUC__
+#include <linux/compiler-gcc.h>
+#endif
+
/* Optimization barrier */
/* The "volatile" is due to gcc bugs */
#define barrier() __asm__ __volatile__("": : :"memory")
@@ -128,11 +132,7 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s
#ifndef __fallthrough
-# if defined(__GNUC__) && __GNUC__ >= 7
-# define __fallthrough __attribute__ ((fallthrough))
-# else
-# define __fallthrough
-# endif
+# define __fallthrough
#endif
#endif /* _TOOLS_LINUX_COMPILER_H */
diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST
index a511e5f31e36..8672f835ae4e 100644
--- a/tools/perf/MANIFEST
+++ b/tools/perf/MANIFEST
@@ -61,6 +61,7 @@ tools/include/asm-generic/bitops.h
tools/include/linux/atomic.h
tools/include/linux/bitops.h
tools/include/linux/compiler.h
+tools/include/linux/compiler-gcc.h
tools/include/linux/coresight-pmu.h
tools/include/linux/filter.h
tools/include/linux/hash.h