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diff --git a/static_assert.h b/static_assert.h
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+/*
+ * static_assert.h
+ *
+ * Home page of code is: https://www.smartmontools.org
+ *
+ * Copyright (C) 2019 Christian Franke
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef STATIC_ASSERT_H
+#define STATIC_ASSERT_H
+
+#define STATIC_ASSERT_H_CVSID "$Id: static_assert.h 4934 2019-07-01 20:54:14Z chrfranke $"
+
+#if __cplusplus >= 201103 || _MSVC_LANG >= 201103
+#define STATIC_ASSERT(x) static_assert((x), #x)
+#elif __STDC_VERSION__ >= 201112
+#define STATIC_ASSERT(x) _Static_assert((x), #x)
+#elif __GNUC__ >= 4
+#define STATIC_ASSERT(x) typedef char static_assertion[(x) ? 1 : -1] \
+                         __attribute__((unused))
+#else
+#define STATIC_ASSERT(x) typedef char static_assertion[(x) ? 1 : -1]
+#endif
+
+#endif // STATIC_ASSERT_H