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-rw-r--r--tools/include/linux/bug.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/bug.h b/tools/include/linux/bug.h
new file mode 100644
index 0000000000000..8e4a4f49135d4
--- /dev/null
+++ b/tools/include/linux/bug.h
@@ -0,0 +1,10 @@
+#ifndef _TOOLS_PERF_LINUX_BUG_H
+#define _TOOLS_PERF_LINUX_BUG_H
+
+/* Force a compilation error if condition is true, but also produce a
+ result (of value 0 and type size_t), so the expression can be used
+ e.g. in a structure initializer (or where-ever else comma expressions
+ aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
+
+#endif /* _TOOLS_PERF_LINUX_BUG_H */